diff --git a/.editorconfig b/.editorconfig
deleted file mode 100644
index f999431de..000000000
--- a/.editorconfig
+++ /dev/null
@@ -1,7 +0,0 @@
-root = true
-
-[*]
-charset = utf-8
-end_of_line = lf
-insert_final_newline = true
-trim_trailing_whitespace = true
diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 000000000..d7c23d635
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1 @@
+custom: https://fund.django-rest-framework.org/topics/funding/
diff --git a/.gitignore b/.gitignore
index 70b55a094..41768084c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,7 +13,6 @@
 MANIFEST
 coverage.*
 
-!.editorconfig
 !.gitignore
 !.travis.yml
 !.isort.cfg
diff --git a/.isort.cfg b/.isort.cfg
deleted file mode 100644
index fd9c67a97..000000000
--- a/.isort.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-[settings]
-skip=.tox
-atomic=true
-multi_line_output=5
-known_standard_library=types
-known_third_party=pytest,_pytest,django
-known_first_party=rest_framework
diff --git a/.travis.yml b/.travis.yml
index c5a15140d..f89e77531 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,41 +1,45 @@
 language: python
 cache: pip
-
-python:
-    - "2.7"
-    - "3.4"
-    - "3.5"
-
-sudo: false
-
-env:
-    - DJANGO=1.10
-    - DJANGO=1.11
-    - DJANGO=2.0
-    - DJANGO=master
-
+dist: xenial
 matrix:
     fast_finish: true
     include:
-      - { python: "3.6", env: DJANGO=master }
+
+      - { python: "3.5", env: DJANGO=1.11 }
+      - { python: "3.5", env: DJANGO=2.0 }
+      - { python: "3.5", env: DJANGO=2.1 }
+      - { python: "3.5", env: DJANGO=2.2 }
+
       - { python: "3.6", env: DJANGO=1.11 }
       - { python: "3.6", env: DJANGO=2.0 }
-      - { python: "2.7", env: TOXENV=lint }
-      - { python: "2.7", env: TOXENV=docs }
-      - python: "2.7"
-        env: TOXENV=readme
-        addons:
-          apt_packages: pandoc
-    exclude:
-      - { python: "2.7", env: DJANGO=master }
-      - { python: "2.7", env: DJANGO=2.0 }
-      - { python: "3.4", env: DJANGO=master }
+      - { python: "3.6", env: DJANGO=2.1 }
+      - { python: "3.6", env: DJANGO=2.2 }
+      - { python: "3.6", env: DJANGO=master }
+
+      - { python: "3.7", env: DJANGO=2.0 }
+      - { python: "3.7", env: DJANGO=2.1 }
+      - { python: "3.7", env: DJANGO=2.2 }
+      - { python: "3.7", env: DJANGO=master }
+
+      - { python: "3.8", env: DJANGO=master }
+
+      - { python: "3.8", env: TOXENV=base }
+      - { python: "3.8", env: TOXENV=lint }
+      - { python: "3.8", env: TOXENV=docs }
+
+      - python: "3.8"
+        env: TOXENV=dist
+        script:
+          - python setup.py bdist_wheel
+          - rm -r djangorestframework.egg-info  # see #6139
+          - tox --installpkg ./dist/djangorestframework-*.whl
+          - tox  # test sdist
 
     allow_failures:
       - env: DJANGO=master
 
 install:
-    - pip install tox tox-travis
+    - pip install tox tox-venv tox-travis
 
 script:
     - tox
diff --git a/.tx/config b/.tx/config
deleted file mode 100644
index e151a7e6f..000000000
--- a/.tx/config
+++ /dev/null
@@ -1,9 +0,0 @@
-[main]
-host = https://www.transifex.com
-lang_map = sr@latin:sr_Latn, zh-Hans:zh_Hans, zh-Hant:zh_Hant
-
-[django-rest-framework.djangopo]
-file_filter = rest_framework/locale/<lang>/LC_MESSAGES/django.po
-source_file = rest_framework/locale/en_US/LC_MESSAGES/django.po
-source_lang = en_US
-type = PO
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index ba579568d..2f1aad08f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -20,7 +20,7 @@ When answering questions make sure to help future contributors find their way ar
 
 Please keep the tone polite & professional.  For some users a discussion on the REST framework mailing list or ticket tracker may be their first engagement with the open source community.  First impressions count, so let's try to make everyone feel welcome.
 
-Be mindful in the language you choose.  As an example, in an environment that is heavily male-dominated, posts that start 'Hey guys,' can come across as unintentionally exclusive.  It's just as easy, and more inclusive to use gender neutral language in those situations.
+Be mindful in the language you choose.  As an example, in an environment that is heavily male-dominated, posts that start 'Hey guys,' can come across as unintentionally exclusive.  It's just as easy, and more inclusive to use gender neutral language in those situations. (e.g. 'Hey folks,')
 
 The [Django code of conduct][code-of-conduct] gives a fuller set of guidelines for participating in community forums.
 
@@ -50,7 +50,7 @@ Getting involved in triaging incoming issues is a good way to start contributing
 
 To start developing on Django REST framework, clone the repo:
 
-    git clone git@github.com:encode/django-rest-framework.git
+    git clone https://github.com/encode/django-rest-framework
 
 Changes should broadly follow the [PEP 8][pep-8] style conventions, and we recommend you set up your editor to automatically indicate non-conforming styles.
 
@@ -59,7 +59,7 @@ Changes should broadly follow the [PEP 8][pep-8] style conventions, and we recom
 To run the tests, clone the repository, and then:
 
     # Setup the virtual environment
-    virtualenv env
+    python3 -m venv env
     source env/bin/activate
     pip install django
     pip install -r requirements.txt
@@ -115,7 +115,7 @@ It's also useful to remember that if you have an outstanding pull request then p
 
 GitHub's documentation for working on pull requests is [available here][pull-requests].
 
-Always run the tests before submitting pull requests, and ideally run `tox` in order to check that your modifications are compatible with both Python 2 and Python 3, and that they run properly on all supported versions of Django.
+Always run the tests before submitting pull requests, and ideally run `tox` in order to check that your modifications are compatible on all supported versions of Python and Django.
 
 Once you've made a pull request take a look at the Travis build status in the GitHub interface and make sure the tests are running as you'd expect.
 
@@ -194,14 +194,14 @@ If you want to draw attention to a note or warning, use a pair of enclosing line
     ---
 
 
-[cite]: http://www.w3.org/People/Berners-Lee/FAQ.html
+[cite]: https://www.w3.org/People/Berners-Lee/FAQ.html
 [code-of-conduct]: https://www.djangoproject.com/conduct/
 [google-group]: https://groups.google.com/forum/?fromgroups#!forum/django-rest-framework
-[so-filter]: http://stackexchange.com/filters/66475/rest-framework
+[so-filter]: https://stackexchange.com/filters/66475/rest-framework
 [issues]: https://github.com/encode/django-rest-framework/issues?state=open
-[pep-8]: http://www.python.org/dev/peps/pep-0008/
+[pep-8]: https://www.python.org/dev/peps/pep-0008/
 [pull-requests]: https://help.github.com/articles/using-pull-requests
 [tox]: https://tox.readthedocs.io/en/latest/
-[markdown]: http://daringfireball.net/projects/markdown/basics
+[markdown]: https://daringfireball.net/projects/markdown/basics
 [docs]: https://github.com/encode/django-rest-framework/tree/master/docs
 [mou]: http://mouapp.com/
diff --git a/ISSUE_TEMPLATE.md b/ISSUE_TEMPLATE.md
index 55b3e531b..566bf9543 100644
--- a/ISSUE_TEMPLATE.md
+++ b/ISSUE_TEMPLATE.md
@@ -3,7 +3,7 @@
 - [ ] I have verified that that issue exists against the `master` branch of Django REST framework.
 - [ ] I have searched for similar issues in both open and closed tickets and cannot find a duplicate.
 - [ ] This is not a usage question. (Those should be directed to the [discussion group](https://groups.google.com/forum/#!forum/django-rest-framework) instead.)
-- [ ] This cannot be dealt with as a third party library. (We prefer new functionality to be [in the form of third party libraries](http://www.django-rest-framework.org/topics/third-party-resources/#about-third-party-packages) where possible.)
+- [ ] This cannot be dealt with as a third party library. (We prefer new functionality to be [in the form of third party libraries](https://www.django-rest-framework.org/community/third-party-packages/#about-third-party-packages) where possible.)
 - [ ] I have reduced the issue to the simplest possible case.
 - [ ] I have included a failing test as a pull request. (If you are unable to do so we can still accept the issue.)
 
diff --git a/LICENSE.md b/LICENSE.md
index 4c599a394..3dea39c36 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,16 +1,21 @@
 # License
 
-Copyright (c) 2011-2017, Tom Christie
+Copyright © 2011-present, [Encode OSS Ltd](https://www.encode.io/).
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
 
-Redistributions of source code must retain the above copyright notice, this
-list of conditions and the following disclaimer.
-Redistributions in binary form must reproduce the above copyright notice, this
-list of conditions and the following disclaimer in the documentation and/or
-other materials provided with the distribution.
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
diff --git a/MANIFEST.in b/MANIFEST.in
index 48ec57edf..6f7cb8f13 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,7 @@
 include README.md
 include LICENSE.md
-recursive-include rest_framework/static *.js *.css *.png *.eot *.svg *.ttf *.woff
+recursive-include rest_framework/static *.js *.css *.png *.ico *.eot *.svg *.ttf *.woff *.woff2
 recursive-include rest_framework/templates *.html schema.js
+recursive-include rest_framework/locale *.mo
 global-exclude __pycache__
 global-exclude *.py[co]
diff --git a/README.md b/README.md
index c19105bc7..8774bc854 100644
--- a/README.md
+++ b/README.md
@@ -3,11 +3,10 @@
 [![build-status-image]][travis]
 [![coverage-status-image]][codecov]
 [![pypi-version]][pypi]
-[![Gitter](https://badges.gitter.im/tomchristie/django-rest-framework.svg)](https://gitter.im/tomchristie/django-rest-framework?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 **Awesome web-browsable Web APIs.**
 
-Full documentation for the project is available at [http://www.django-rest-framework.org][docs].
+Full documentation for the project is available at [https://www.django-rest-framework.org/][docs].
 
 ---
 
@@ -20,13 +19,16 @@ continued development by [signing up for a paid plan][funding].
 The initial aim is to provide a single full-time position on REST framework.
 *Every single sign-up makes a significant impact towards making that possible.*
 
-[![][rover-img]][rover-url]
 [![][sentry-img]][sentry-url]
 [![][stream-img]][stream-url]
-[![][machinalis-img]][machinalis-url]
 [![][rollbar-img]][rollbar-url]
+[![][cadre-img]][cadre-url]
+[![][kloudless-img]][kloudless-url]
+[![][esg-img]][esg-url]
+[![][lightson-img]][lightson-url]
+[![][retool-img]][retool-url]
 
-Many thanks to all our [wonderful sponsors][sponsors], and in particular to our premium backers, [Rover][rover-url], [Sentry][sentry-url], [Stream][stream-url], [Machinalis][machinalis-url], and [Rollbar][rollbar-url].
+Many thanks to all our [wonderful sponsors][sponsors], and in particular to our premium backers, [Sentry][sentry-url], [Stream][stream-url], [Rollbar][rollbar-url], [Cadre][cadre-url], [Kloudless][kloudless-url], [ESG][esg-url], [Lights On Software][lightson-url], and [Retool][retool-url].
 
 ---
 
@@ -52,8 +54,11 @@ There is a live example API for testing purposes, [available here][sandbox].
 
 # Requirements
 
-* Python (2.7, 3.4, 3.5, 3.6)
-* Django (1.10, 1.11, 2.0rc1)
+* Python (3.5, 3.6, 3.7)
+* Django (1.11, 2.0, 2.1, 2.2)
+
+We **highly recommend** and only officially support the latest patch release of
+each Python and Django series.
 
 # Installation
 
@@ -63,10 +68,10 @@ Install using `pip`...
 
 Add `'rest_framework'` to your `INSTALLED_APPS` setting.
 
-    INSTALLED_APPS = (
+    INSTALLED_APPS = [
         ...
         'rest_framework',
-    )
+    ]
 
 # Example
 
@@ -76,7 +81,7 @@ Startup up a new project like so...
 
     pip install django
     pip install djangorestframework
-    django-admin.py startproject example .
+    django-admin startproject example .
     ./manage.py migrate
     ./manage.py createsuperuser
 
@@ -92,7 +97,7 @@ from rest_framework import serializers, viewsets, routers
 class UserSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = User
-        fields = ('url', 'username', 'email', 'is_staff')
+        fields = ['url', 'username', 'email', 'is_staff']
 
 
 # ViewSets define the view behavior.
@@ -119,10 +124,10 @@ We'd also like to configure a couple of settings for our API.
 Add the following to your `settings.py` module:
 
 ```python
-INSTALLED_APPS = (
+INSTALLED_APPS = [
     ...  # Make sure to include the default installed apps here.
     'rest_framework',
-)
+]
 
 REST_FRAMEWORK = {
     # Use Django's standard `django.contrib.auth` permissions,
@@ -139,17 +144,17 @@ That's it, we're done!
 
 You can now open the API in your browser at `http://127.0.0.1:8000/`, and view your new 'users' API. If you use the `Login` control in the top right corner you'll also be able to add, create and delete users from the system.
 
-You can also interact with the API using command line tools such as [`curl`](http://curl.haxx.se/). For example, to list the users endpoint:
+You can also interact with the API using command line tools such as [`curl`](https://curl.haxx.se/). For example, to list the users endpoint:
 
     $ curl -H 'Accept: application/json; indent=4' -u admin:password http://127.0.0.1:8000/users/
-	[
-	    {
-	        "url": "http://127.0.0.1:8000/users/1/",
-	        "username": "admin",
-	        "email": "admin@example.com",
-	        "is_staff": true,
-	    }
-	]
+    [
+        {
+            "url": "http://127.0.0.1:8000/users/1/",
+            "username": "admin",
+            "email": "admin@example.com",
+            "is_staff": true,
+        }
+    ]
 
 Or to create a new user:
 
@@ -163,7 +168,7 @@ Or to create a new user:
 
 # Documentation & Support
 
-Full documentation for the project is available at [http://www.django-rest-framework.org][docs].
+Full documentation for the project is available at [https://www.django-rest-framework.org/][docs].
 
 For questions and support, use the [REST framework discussion group][group], or `#restframework` on freenode IRC.
 
@@ -171,19 +176,17 @@ You may also want to [follow the author on Twitter][twitter].
 
 # Security
 
-If you believe you've found something in Django REST framework which has security implications, please **do not raise the issue in a public forum**.
-
-Send a description of the issue via email to [rest-framework-security@googlegroups.com][security-mail].  The project maintainers will then work with you to resolve any issues where required, prior to any public disclosure.
+Please see the [security policy][security-policy].
 
 [build-status-image]: https://secure.travis-ci.org/encode/django-rest-framework.svg?branch=master
-[travis]: http://travis-ci.org/encode/django-rest-framework?branch=master
+[travis]: https://travis-ci.org/encode/django-rest-framework?branch=master
 [coverage-status-image]: https://img.shields.io/codecov/c/github/encode/django-rest-framework/master.svg
-[codecov]: http://codecov.io/github/encode/django-rest-framework?branch=master
+[codecov]: https://codecov.io/github/encode/django-rest-framework?branch=master
 [pypi-version]: https://img.shields.io/pypi/v/djangorestframework.svg
-[pypi]: https://pypi.python.org/pypi/djangorestframework
+[pypi]: https://pypi.org/project/djangorestframework/
 [twitter]: https://twitter.com/_tomchristie
 [group]: https://groups.google.com/forum/?fromgroups#!forum/django-rest-framework
-[sandbox]: http://restframework.herokuapp.com/
+[sandbox]: https://restframework.herokuapp.com/
 
 [funding]: https://fund.django-rest-framework.org/topics/funding/
 [sponsors]: https://fund.django-rest-framework.org/topics/funding/#our-sponsors
@@ -191,26 +194,34 @@ Send a description of the issue via email to [rest-framework-security@googlegrou
 [rover-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/rover-readme.png
 [sentry-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/sentry-readme.png
 [stream-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/stream-readme.png
-[machinalis-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/machinalis-readme.png
 [rollbar-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/rollbar-readme.png
+[cadre-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/cadre-readme.png
+[load-impact-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/load-impact-readme.png
+[kloudless-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/kloudless-readme.png
+[esg-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/esg-readme.png
+[lightson-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/lightson-readme.png
+[retool-img]: https://raw.githubusercontent.com/encode/django-rest-framework/master/docs/img/premium/retool-readme.png
 
-[rover-url]: http://jobs.rover.com/
 [sentry-url]: https://getsentry.com/welcome/
 [stream-url]: https://getstream.io/try-the-api/?utm_source=drf&utm_medium=banner&utm_campaign=drf
-[machinalis-url]: https://hello.machinalis.co.uk/
-[rollbar-url]: https://rollbar.com/
+[rollbar-url]: https://rollbar.com/?utm_source=django&utm_medium=sponsorship&utm_campaign=freetrial
+[cadre-url]: https://cadre.com/
+[kloudless-url]: https://hubs.ly/H0f30Lf0
+[esg-url]: https://software.esg-usa.com/
+[lightson-url]: https://lightsonsoftware.com
+[retool-url]: https://retool.com/?utm_source=djangorest&utm_medium=sponsorship
 
-[oauth1-section]: http://www.django-rest-framework.org/api-guide/authentication/#django-rest-framework-oauth
-[oauth2-section]: http://www.django-rest-framework.org/api-guide/authentication/#django-oauth-toolkit
-[serializer-section]: http://www.django-rest-framework.org/api-guide/serializers/#serializers
-[modelserializer-section]: http://www.django-rest-framework.org/api-guide/serializers/#modelserializer
-[functionview-section]: http://www.django-rest-framework.org/api-guide/views/#function-based-views
-[generic-views]: http://www.django-rest-framework.org/api-guide/generic-views/
-[viewsets]: http://www.django-rest-framework.org/api-guide/viewsets/
-[routers]: http://www.django-rest-framework.org/api-guide/routers/
-[serializers]: http://www.django-rest-framework.org/api-guide/serializers/
-[authentication]: http://www.django-rest-framework.org/api-guide/authentication/
-[image]: http://www.django-rest-framework.org/img/quickstart.png
+[oauth1-section]: https://www.django-rest-framework.org/api-guide/authentication/#django-rest-framework-oauth
+[oauth2-section]: https://www.django-rest-framework.org/api-guide/authentication/#django-oauth-toolkit
+[serializer-section]: https://www.django-rest-framework.org/api-guide/serializers/#serializers
+[modelserializer-section]: https://www.django-rest-framework.org/api-guide/serializers/#modelserializer
+[functionview-section]: https://www.django-rest-framework.org/api-guide/views/#function-based-views
+[generic-views]: https://www.django-rest-framework.org/api-guide/generic-views/
+[viewsets]: https://www.django-rest-framework.org/api-guide/viewsets/
+[routers]: https://www.django-rest-framework.org/api-guide/routers/
+[serializers]: https://www.django-rest-framework.org/api-guide/serializers/
+[authentication]: https://www.django-rest-framework.org/api-guide/authentication/
+[image]: https://www.django-rest-framework.org/img/quickstart.png
 
-[docs]: http://www.django-rest-framework.org/
-[security-mail]: mailto:rest-framework-security@googlegroups.com
+[docs]: https://www.django-rest-framework.org/
+[security-policy]: https://github.com/encode/django-rest-framework/security/policy
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 000000000..d3faefa3c
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,9 @@
+# Security Policy
+
+## Reporting a Vulnerability
+
+If you believe you've found something in Django REST framework which has security implications, please **do not raise the issue in a public forum**.
+
+Send a description of the issue via email to [rest-framework-security@googlegroups.com][security-mail].  The project maintainers will then work with you to resolve any issues where required, prior to any public disclosure.
+
+[security-mail]: mailto:rest-framework-security@googlegroups.com
diff --git a/codecov.yml b/codecov.yml
index d7436ab05..c2336342e 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -1,7 +1,11 @@
 coverage:
+  precision: 2
+  round: down
+  range: "80...100"
+
   status:
-    project: false
-    patch: false
-    changes: false
+    project: yes
+    patch: no
+    changes: no
 
 comment: off
diff --git a/docs/api-guide/authentication.md b/docs/api-guide/authentication.md
index 63a789dfc..c4dbe8856 100644
--- a/docs/api-guide/authentication.md
+++ b/docs/api-guide/authentication.md
@@ -1,4 +1,7 @@
-source: authentication.py
+---
+source:
+    - authentication.py
+---
 
 # Authentication
 
@@ -37,10 +40,10 @@ The value of `request.user` and `request.auth` for unauthenticated requests can
 The default authentication schemes may be set globally, using the `DEFAULT_AUTHENTICATION_CLASSES` setting.  For example.
 
     REST_FRAMEWORK = {
-        'DEFAULT_AUTHENTICATION_CLASSES': (
+        'DEFAULT_AUTHENTICATION_CLASSES': [
             'rest_framework.authentication.BasicAuthentication',
             'rest_framework.authentication.SessionAuthentication',
-        )
+        ]
     }
 
 You can also set the authentication scheme on a per-view or per-viewset basis,
@@ -52,8 +55,8 @@ using the `APIView` class-based views.
     from rest_framework.views import APIView
 
     class ExampleView(APIView):
-        authentication_classes = (SessionAuthentication, BasicAuthentication)
-        permission_classes = (IsAuthenticated,)
+        authentication_classes = [SessionAuthentication, BasicAuthentication]
+        permission_classes = [IsAuthenticated]
 
         def get(self, request, format=None):
             content = {
@@ -65,8 +68,8 @@ using the `APIView` class-based views.
 Or, if you're using the `@api_view` decorator with function based views.
 
     @api_view(['GET'])
-    @authentication_classes((SessionAuthentication, BasicAuthentication))
-    @permission_classes((IsAuthenticated,))
+    @authentication_classes([SessionAuthentication, BasicAuthentication])
+    @permission_classes([IsAuthenticated])
     def example_view(request, format=None):
         content = {
             'user': unicode(request.user),  # `django.contrib.auth.User` instance.
@@ -121,10 +124,10 @@ This authentication scheme uses a simple token-based HTTP Authentication scheme.
 
 To use the `TokenAuthentication` scheme you'll need to [configure the authentication classes](#setting-the-authentication-scheme) to include `TokenAuthentication`, and additionally include `rest_framework.authtoken` in your `INSTALLED_APPS` setting:
 
-    INSTALLED_APPS = (
+    INSTALLED_APPS = [
         ...
         'rest_framework.authtoken'
-    )
+    ]
 
 ---
 
@@ -137,7 +140,7 @@ You'll also need to create tokens for your users.
     from rest_framework.authtoken.models import Token
 
     token = Token.objects.create(user=...)
-    print token.key
+    print(token.key)
 
 For clients to authenticate, the token key should be included in the `Authorization` HTTP header.  The key should be prefixed by the string literal "Token", with whitespace separating the two strings.  For example:
 
@@ -205,11 +208,39 @@ The `obtain_auth_token` view will return a JSON response when valid `username` a
 
     { 'token' : '9944b09199c62bcf9418ad846dd0e4bbdfc6ee4b' }
 
-Note that the default `obtain_auth_token` view explicitly uses JSON requests and responses, rather than using default renderer and parser classes in your settings.  If you need a customized version of the `obtain_auth_token` view, you can do so by overriding the `ObtainAuthToken` view class, and using that in your url conf instead.
+Note that the default `obtain_auth_token` view explicitly uses JSON requests and responses, rather than using default renderer and parser classes in your settings.
 
 By default there are no permissions or throttling applied to the  `obtain_auth_token` view. If you do wish to apply throttling you'll need to override the view class,
 and include them using the `throttle_classes` attribute.
 
+If you need a customized version of the `obtain_auth_token` view, you can do so by subclassing the `ObtainAuthToken` view class, and using that in your url conf instead.
+
+For example, you may return additional user information beyond the `token` value:
+
+    from rest_framework.authtoken.views import ObtainAuthToken
+    from rest_framework.authtoken.models import Token
+    from rest_framework.response import Response
+
+    class CustomAuthToken(ObtainAuthToken):
+
+        def post(self, request, *args, **kwargs):
+            serializer = self.serializer_class(data=request.data,
+                                               context={'request': request})
+            serializer.is_valid(raise_exception=True)
+            user = serializer.validated_data['user']
+            token, created = Token.objects.get_or_create(user=user)
+            return Response({
+                'token': token.key,
+                'user_id': user.pk,
+                'email': user.email
+            })
+
+And in your `urls.py`:
+
+    urlpatterns += [
+        url(r'^api-token-auth/', CustomAuthToken.as_view())
+    ]
+
 
 ##### With Django admin
 
@@ -219,7 +250,7 @@ It is also possible to create Tokens manually through admin interface. In case y
 
     from rest_framework.authtoken.admin import TokenAdmin
 
-    TokenAdmin.raw_id_fields = ('user',)
+    TokenAdmin.raw_id_fields = ['user']
 
 
 #### Using Django manage.py command
@@ -293,13 +324,13 @@ If the `.authenticate_header()` method is not overridden, the authentication sch
 
 ---
 
-**Note:** When your custom authenticator is invoked by the request object's `.user` or `.auth` properties, you may see an `AttributeError` re-raised as a `WrappedAttributeError`. This is necessary to prevent the original exception from being suppressed by the outer property access. Python will not recognize that the `AttributeError` orginates from your custom authenticator and will instead assume that the request object does not have a `.user` or `.auth` property. These errors should be fixed or otherwise handled by your authenticator.
+**Note:** When your custom authenticator is invoked by the request object's `.user` or `.auth` properties, you may see an `AttributeError` re-raised as a `WrappedAttributeError`. This is necessary to prevent the original exception from being suppressed by the outer property access. Python will not recognize that the `AttributeError` originates from your custom authenticator and will instead assume that the request object does not have a `.user` or `.auth` property. These errors should be fixed or otherwise handled by your authenticator.
 
 ---
 
 ## Example
 
-The following example will authenticate any incoming request as the user given by the username in a custom request header named 'X_USERNAME'.
+The following example will authenticate any incoming request as the user given by the username in a custom request header named 'X-USERNAME'.
 
 	from django.contrib.auth.models import User
     from rest_framework import authentication
@@ -307,7 +338,7 @@ The following example will authenticate any incoming request as the user given b
 
     class ExampleAuthentication(authentication.BaseAuthentication):
         def authenticate(self, request):
-            username = request.META.get('X_USERNAME')
+            username = request.META.get('HTTP_X_USERNAME')
             if not username:
                 return None
 
@@ -326,7 +357,7 @@ The following third party packages are also available.
 
 ## Django OAuth Toolkit
 
-The [Django OAuth Toolkit][django-oauth-toolkit] package provides OAuth 2.0 support, and works with Python 2.7 and Python 3.3+. The package is maintained by [Evonove][evonove] and uses the excellent [OAuthLib][oauthlib].  The package is well documented, and well supported and is currently our **recommended package for OAuth 2.0 support**.
+The [Django OAuth Toolkit][django-oauth-toolkit] package provides OAuth 2.0 support and works with Python 3.4+. The package is maintained by [Evonove][evonove] and uses the excellent [OAuthLib][oauthlib].  The package is well documented, and well supported and is currently our **recommended package for OAuth 2.0 support**.
 
 #### Installation & configuration
 
@@ -336,15 +367,15 @@ Install using `pip`.
 
 Add the package to your `INSTALLED_APPS` and modify your REST framework settings.
 
-    INSTALLED_APPS = (
+    INSTALLED_APPS = [
         ...
         'oauth2_provider',
-    )
+    ]
 
     REST_FRAMEWORK = {
-        'DEFAULT_AUTHENTICATION_CLASSES': (
+        'DEFAULT_AUTHENTICATION_CLASSES': [
             'oauth2_provider.contrib.rest_framework.OAuth2Authentication',
-        )
+        ]
     }
 
 For more details see the [Django REST framework - Getting started][django-oauth-toolkit-getting-started] documentation.
@@ -363,17 +394,9 @@ Install the package using `pip`.
 
 For details on configuration and usage see the Django REST framework OAuth documentation for [authentication][django-rest-framework-oauth-authentication] and [permissions][django-rest-framework-oauth-permissions].
 
-## Digest Authentication
-
-HTTP digest authentication is a widely implemented scheme that was intended to replace HTTP basic authentication, and which provides a simple encrypted authentication mechanism. [Juan Riaza][juanriaza] maintains the [djangorestframework-digestauth][djangorestframework-digestauth] package which provides HTTP digest authentication support for REST framework.
-
-## Django OAuth2 Consumer
-
-The [Django OAuth2 Consumer][doac] library from [Rediker Software][rediker] is another package that provides [OAuth 2.0 support for REST framework][doac-rest-framework].  The package includes token scoping permissions on tokens, which allows finer-grained access to your API.
-
 ## JSON Web Token Authentication
 
-JSON Web Token is a fairly new standard which can be used for token-based authentication. Unlike the built-in TokenAuthentication scheme, JWT Authentication doesn't need to use a database to validate a token. [Blimp][blimp] maintains the [djangorestframework-jwt][djangorestframework-jwt] package which provides a JWT Authentication class as well as a mechanism for clients to obtain a JWT given the username and password. An alternative package for JWT authentication is [djangorestframework-simplejwt][djangorestframework-simplejwt] which provides different features as well as a pluggable token blacklist app.
+JSON Web Token is a fairly new standard which can be used for token-based authentication. Unlike the built-in TokenAuthentication scheme, JWT Authentication doesn't need to use a database to validate a token. A package for JWT authentication is [djangorestframework-simplejwt][djangorestframework-simplejwt] which provides some features as well as a pluggable token blacklist app.
 
 ## Hawk HTTP Authentication
 
@@ -381,7 +404,7 @@ The [HawkREST][hawkrest] library builds on the [Mohawk][mohawk] library to let y
 
 ## HTTP Signature Authentication
 
-HTTP Signature (currently a [IETF draft][http-signature-ietf-draft]) provides a way to achieve origin authentication and message integrity for HTTP messages. Similar to [Amazon's HTTP Signature scheme][amazon-http-signature], used by many of its services, it permits stateless, per-request authentication. [Elvio Toccalino][etoccalino] maintains the [djangorestframework-httpsignature][djangorestframework-httpsignature] package which provides an easy to use HTTP Signature Authentication mechanism.
+HTTP Signature (currently a [IETF draft][http-signature-ietf-draft]) provides a way to achieve origin authentication and message integrity for HTTP messages. Similar to [Amazon's HTTP Signature scheme][amazon-http-signature], used by many of its services, it permits stateless, per-request authentication. [Elvio Toccalino][etoccalino] maintains the [djangorestframework-httpsignature][djangorestframework-httpsignature] (outdated) package which provides an easy to use HTTP Signature Authentication mechanism. You can use the updated fork version of [djangorestframework-httpsignature][djangorestframework-httpsignature], which is [drf-httpsig][drf-httpsig].
 
 ## Djoser
 
@@ -403,43 +426,34 @@ HTTP Signature (currently a [IETF draft][http-signature-ietf-draft]) provides a
 
 [drfpasswordless][drfpasswordless] adds (Medium, Square Cash inspired) passwordless support to Django REST Framework's own TokenAuthentication scheme. Users log in and sign up with a token sent to a contact point like an email address or a mobile number.
 
-[cite]: http://jacobian.org/writing/rest-worst-practices/
-[http401]: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.2
-[http403]: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.4
-[basicauth]: http://tools.ietf.org/html/rfc2617
-[oauth]: http://oauth.net/2/
+[cite]: https://jacobian.org/writing/rest-worst-practices/
+[http401]: https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.2
+[http403]: https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.4
+[basicauth]: https://tools.ietf.org/html/rfc2617
 [permission]: permissions.md
 [throttling]: throttling.md
 [csrf-ajax]: https://docs.djangoproject.com/en/stable/ref/csrf/#ajax
-[mod_wsgi_official]: http://code.google.com/p/modwsgi/wiki/ConfigurationDirectives#WSGIPassAuthorization
+[mod_wsgi_official]: https://modwsgi.readthedocs.io/en/develop/configuration-directives/WSGIPassAuthorization.html
 [django-oauth-toolkit-getting-started]: https://django-oauth-toolkit.readthedocs.io/en/latest/rest-framework/getting_started.html
-[django-rest-framework-oauth]: http://jpadilla.github.io/django-rest-framework-oauth/
-[django-rest-framework-oauth-authentication]: http://jpadilla.github.io/django-rest-framework-oauth/authentication/
-[django-rest-framework-oauth-permissions]: http://jpadilla.github.io/django-rest-framework-oauth/permissions/
+[django-rest-framework-oauth]: https://jpadilla.github.io/django-rest-framework-oauth/
+[django-rest-framework-oauth-authentication]: https://jpadilla.github.io/django-rest-framework-oauth/authentication/
+[django-rest-framework-oauth-permissions]: https://jpadilla.github.io/django-rest-framework-oauth/permissions/
 [juanriaza]: https://github.com/juanriaza
 [djangorestframework-digestauth]: https://github.com/juanriaza/django-rest-framework-digestauth
-[oauth-1.0a]: http://oauth.net/core/1.0a
-[django-oauth-plus]: http://code.larlet.fr/django-oauth-plus
-[django-oauth2-provider]: https://github.com/caffeinehit/django-oauth2-provider
-[django-oauth2-provider-docs]: https://django-oauth2-provider.readthedocs.io/en/latest/
-[rfc6749]: http://tools.ietf.org/html/rfc6749
+[oauth-1.0a]: https://oauth.net/core/1.0a/
 [django-oauth-toolkit]: https://github.com/evonove/django-oauth-toolkit
 [evonove]: https://github.com/evonove/
 [oauthlib]: https://github.com/idan/oauthlib
-[doac]: https://github.com/Rediker-Software/doac
-[rediker]: https://github.com/Rediker-Software
-[doac-rest-framework]: https://github.com/Rediker-Software/doac/blob/master/docs/integrations.md#
-[blimp]: https://github.com/GetBlimp
-[djangorestframework-jwt]: https://github.com/GetBlimp/django-rest-framework-jwt
 [djangorestframework-simplejwt]: https://github.com/davesque/django-rest-framework-simplejwt
 [etoccalino]: https://github.com/etoccalino/
 [djangorestframework-httpsignature]: https://github.com/etoccalino/django-rest-framework-httpsignature
-[amazon-http-signature]: http://docs.aws.amazon.com/general/latest/gr/signature-version-4.html
+[drf-httpsig]: https://github.com/ahknight/drf-httpsig
+[amazon-http-signature]: https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html
 [http-signature-ietf-draft]: https://datatracker.ietf.org/doc/draft-cavage-http-signatures/
 [hawkrest]: https://hawkrest.readthedocs.io/en/latest/
 [hawk]: https://github.com/hueniverse/hawk
 [mohawk]: https://mohawk.readthedocs.io/en/latest/
-[mac]: http://tools.ietf.org/html/draft-hammer-oauth-v2-mac-token-05
+[mac]: https://tools.ietf.org/html/draft-hammer-oauth-v2-mac-token-05
 [djoser]: https://github.com/sunscrapers/djoser
 [django-rest-auth]: https://github.com/Tivix/django-rest-auth
 [django-rest-framework-social-oauth2]: https://github.com/PhilipGarnero/django-rest-framework-social-oauth2
diff --git a/docs/api-guide/caching.md b/docs/api-guide/caching.md
index ed3f62c21..96517b15e 100644
--- a/docs/api-guide/caching.md
+++ b/docs/api-guide/caching.md
@@ -1,6 +1,6 @@
 # Caching
 
-> A certain woman had a very sharp conciousness but almost no
+> A certain woman had a very sharp consciousness but almost no
 > memory ... She remembered enough to work, and she worked hard.
 > - Lydia Davis
 
@@ -13,15 +13,20 @@ provided in Django.
 
 Django provides a [`method_decorator`][decorator] to use
 decorators with class based views. This can be used with
-with other cache decorators such as [`cache_page`][page] and
+other cache decorators such as [`cache_page`][page] and
 [`vary_on_cookie`][cookie].
 
 ```python
+from django.utils.decorators import method_decorator
+from django.views.decorators.cache import cache_page
+from django.views.decorators.vary import vary_on_cookie
+
 from rest_framework.response import Response
 from rest_framework.views import APIView
 from rest_framework import viewsets
 
-class UserViewSet(viewsets.Viewset):
+
+class UserViewSet(viewsets.ViewSet):
 
     # Cache requested url for each user for 2 hours
     @method_decorator(cache_page(60*60*2))
@@ -32,6 +37,7 @@ class UserViewSet(viewsets.Viewset):
         }
         return Response(content)
 
+
 class PostView(APIView):
 
     # Cache page for the requested url
@@ -47,8 +53,6 @@ class PostView(APIView):
 **NOTE:** The [`cache_page`][page] decorator only caches the
 `GET` and `HEAD` responses with status 200.
 
-
-[django]: https://docs.djangoproject.com/en/dev/topics/cache/
 [page]: https://docs.djangoproject.com/en/dev/topics/cache/#the-per-view-cache
 [cookie]: https://docs.djangoproject.com/en/dev/topics/http/decorators/#django.views.decorators.vary.vary_on_cookie
 [decorator]: https://docs.djangoproject.com/en/dev/topics/class-based-views/intro/#decorating-the-class
diff --git a/docs/api-guide/content-negotiation.md b/docs/api-guide/content-negotiation.md
index bd408feba..3a4b0357f 100644
--- a/docs/api-guide/content-negotiation.md
+++ b/docs/api-guide/content-negotiation.md
@@ -1,4 +1,7 @@
-source: negotiation.py
+---
+source:
+    - negotiation.py
+---
 
 # Content negotiation
 
@@ -6,7 +9,7 @@ source: negotiation.py
 >
 > &mdash; [RFC 2616][cite], Fielding et al.
 
-[cite]: http://www.w3.org/Protocols/rfc2616/rfc2616-sec12.html
+[cite]: https://www.w3.org/Protocols/rfc2616/rfc2616-sec12.html
 
 Content negotiation is the process of selecting one of multiple possible representations to return to a client, based on client or server preferences.
 
@@ -94,4 +97,4 @@ You can also set the content negotiation used for an individual view, or viewset
                 'accepted media type': request.accepted_renderer.media_type
             })
 
-[accept-header]: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
+[accept-header]: https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
diff --git a/docs/api-guide/exceptions.md b/docs/api-guide/exceptions.md
index ba3d5af9b..d7d73a2f2 100644
--- a/docs/api-guide/exceptions.md
+++ b/docs/api-guide/exceptions.md
@@ -1,4 +1,7 @@
-source: exceptions.py
+---
+source:
+    - exceptions.py
+---
 
 # Exceptions
 
@@ -230,5 +233,33 @@ The generic views use the `raise_exception=True` flag, which means that you can
 
 By default this exception results in a response with the HTTP status code "400 Bad Request".
 
+
+---
+
+# Generic Error Views
+
+Django REST Framework provides two error views suitable for providing generic JSON `500` Server Error and
+`400` Bad Request responses. (Django's default error views provide HTML responses, which may not be appropriate for an
+API-only application.)
+
+Use these as per [Django's Customizing error views documentation][django-custom-error-views].
+
+## `rest_framework.exceptions.server_error`
+
+Returns a response with status code `500` and `application/json` content type.
+
+Set as `handler500`:
+
+    handler500 = 'rest_framework.exceptions.server_error'
+
+## `rest_framework.exceptions.bad_request`
+
+Returns a response with status code `400` and `application/json` content type.
+
+Set as `handler400`:
+
+    handler400 = 'rest_framework.exceptions.bad_request'
+
 [cite]: https://doughellmann.com/blog/2009/06/19/python-exception-handling-techniques/
 [authentication]: authentication.md
+[django-custom-error-views]: https://docs.djangoproject.com/en/dev/topics/http/views/#customizing-error-views
diff --git a/docs/api-guide/fields.md b/docs/api-guide/fields.md
index 8d61f2cbc..29cb5aec9 100644
--- a/docs/api-guide/fields.md
+++ b/docs/api-guide/fields.md
@@ -1,4 +1,7 @@
-source: fields.py
+---
+source:
+    - fields.py
+---
 
 # Serializer fields
 
@@ -41,14 +44,6 @@ Setting this to `False` also allows the object attribute or dictionary key to be
 
 Defaults to `True`.
 
-### `allow_null`
-
-Normally an error will be raised if `None` is passed to a serializer field. Set this keyword argument to `True` if `None` should be considered a valid value.
-
-Note that setting this argument to `True` will imply a default value of `null` for serialization output, but does imply a default for input deserialization.
-
-Defaults to `False`
-
 ### `default`
 
 If set, this gives the default value that will be used for the field if no input value is supplied. If not set the default behaviour is to not populate the attribute at all.
@@ -57,10 +52,18 @@ The `default` is not applied during partial update operations. In the partial up
 
 May be set to a function or other callable, in which case the value will be evaluated each time it is used. When called, it will receive no arguments. If the callable has a `set_context` method, that will be called each time before getting the value with the field instance as only argument. This works the same way as for [validators](validators.md#using-set_context).
 
-When serializing the instance, default will be used if the the object attribute or dictionary key is not present in the instance.
+When serializing the instance, default will be used if the object attribute or dictionary key is not present in the instance.
 
 Note that setting a `default` value implies that the field is not required. Including both the `default` and `required` keyword arguments is invalid and will raise an error.
 
+### `allow_null`
+
+Normally an error will be raised if `None` is passed to a serializer field. Set this keyword argument to `True` if `None` should be considered a valid value.
+
+Note that, without an explicit `default`, setting this argument to `True` will imply a `default` value of `null` for serialization output, but does not imply a default for input deserialization.
+
+Defaults to `False`
+
 ### `source`
 
 The name of the attribute that will be used to populate the field.  May be a method that only takes a `self` argument, such as `URLField(source='get_absolute_url')`, or may use dotted notation to traverse attributes, such as `EmailField(source='user.email')`. When serializing fields with dotted notation, it may be necessary to provide a `default` value if any object is not present or is empty during attribute traversal.
@@ -124,6 +127,15 @@ A boolean representation.
 
 When using HTML encoded form input be aware that omitting a value will always be treated as setting a field to `False`, even if it has a `default=True` option specified. This is because HTML checkbox inputs represent the unchecked state by omitting the value, so REST framework treats omission as if it is an empty checkbox input.
 
+Note that Django 2.1 removed the `blank` kwarg from `models.BooleanField`.
+Prior to Django 2.1 `models.BooleanField` fields were always `blank=True`. Thus
+since Django 2.1 default `serializers.BooleanField` instances will be generated
+without the `required` kwarg (i.e. equivalent to `required=True`) whereas with
+previous versions of Django, default `BooleanField` instances will be generated
+with a `required=False` option.  If you want to control this behaviour manually,
+explicitly declare the `BooleanField` on the serializer class, or use the
+`extra_kwargs` option to set the `required` flag.
+
 Corresponds to `django.db.models.fields.BooleanField`.
 
 **Signature:** `BooleanField()`
@@ -200,7 +212,7 @@ A field that ensures the input is a valid UUID string. The `to_internal_value` m
 **Signature:** `UUIDField(format='hex_verbose')`
 
 - `format`: Determines the representation format of the uuid value
-    - `'hex_verbose'` - The cannoncical hex representation, including hyphens: `"5ce0e9a5-5ffa-654b-cee0-1238041fb31a"`
+    - `'hex_verbose'` - The canonical hex representation, including hyphens: `"5ce0e9a5-5ffa-654b-cee0-1238041fb31a"`
     - `'hex'` - The compact hex representation of the UUID, not including hyphens: `"5ce0e9a55ffa654bcee01238041fb31a"`
     - `'int'` - A 128 bit integer representation of the UUID: `"123456789012312313134124512351145145114"`
     - `'urn'` - RFC 4122 URN representation of the UUID: `"urn:uuid:5ce0e9a5-5ffa-654b-cee0-1238041fb31a"`
@@ -297,10 +309,11 @@ A date and time representation.
 
 Corresponds to `django.db.models.fields.DateTimeField`.
 
-**Signature:** `DateTimeField(format=api_settings.DATETIME_FORMAT, input_formats=None)`
+**Signature:** `DateTimeField(format=api_settings.DATETIME_FORMAT, input_formats=None, default_timezone=None)`
 
 * `format` - A string representing the output format. If not specified, this defaults to the same value as the `DATETIME_FORMAT` settings key, which will be `'iso-8601'` unless set. Setting to a format string indicates that `to_representation` return values should be coerced to string output. Format strings are described below. Setting this value to `None` indicates that Python `datetime` objects should be returned by `to_representation`. In this case the datetime encoding will be determined by the renderer.
 * `input_formats` - A list of strings representing the input formats which may be used to parse the date.  If not specified, the `DATETIME_INPUT_FORMATS` setting will be used, which defaults to `['iso-8601']`.
+* `default_timezone` - A `pytz.timezone` representing the timezone. If not specified and the `USE_TZ` setting is enabled, this defaults to the [current timezone][django-current-timezone]. If `USE_TZ` is disabled, then datetime objects will be naive.
 
 #### `DateTimeField` format strings.
 
@@ -358,7 +371,10 @@ Corresponds to `django.db.models.fields.DurationField`
 The `validated_data` for these fields will contain a `datetime.timedelta` instance.
 The representation is a string following this format `'[DD] [HH:[MM:]]ss[.uuuuuu]'`.
 
-**Signature:** `DurationField()`
+**Signature:** `DurationField(max_value=None, min_value=None)`
+
+- `max_value` Validate that the duration provided is no greater than this value.
+- `min_value` Validate that the duration provided is no less than this value.
 
 ---
 
@@ -435,9 +451,10 @@ Requires either the `Pillow` package or `PIL` package.  The `Pillow` package is
 
 A field class that validates a list of objects.
 
-**Signature**: `ListField(child=<A_FIELD_INSTANCE>, min_length=None, max_length=None)`
+**Signature**: `ListField(child=<A_FIELD_INSTANCE>, allow_empty=True, min_length=None, max_length=None)`
 
 - `child` - A field instance that should be used for validating the objects in the list. If this argument is not provided then objects in the list will not be validated.
+- `allow_empty` - Designates if empty lists are allowed.
 - `min_length` - Validates that the list contains no fewer than this number of elements.
 - `max_length` - Validates that the list contains no more than this number of elements.
 
@@ -458,9 +475,10 @@ We can now reuse our custom `StringListField` class throughout our application,
 
 A field class that validates a dictionary of objects. The keys in `DictField` are always assumed to be string values.
 
-**Signature**: `DictField(child=<A_FIELD_INSTANCE>)`
+**Signature**: `DictField(child=<A_FIELD_INSTANCE>, allow_empty=True)`
 
 - `child` - A field instance that should be used for validating the values in the dictionary. If this argument is not provided then values in the mapping will not be validated.
+- `allow_empty` - Designates if empty dictionaries are allowed.
 
 For example, to create a field that validates a mapping of strings to strings, you would write something like this:
 
@@ -471,13 +489,25 @@ You can also use the declarative style, as with `ListField`. For example:
     class DocumentField(DictField):
         child = CharField()
 
+## HStoreField
+
+A preconfigured `DictField` that is compatible with Django's postgres `HStoreField`.
+
+**Signature**: `HStoreField(child=<A_FIELD_INSTANCE>, allow_empty=True)`
+
+- `child` - A field instance that is used for validating the values in the dictionary. The default child field accepts both empty strings and null values.
+- `allow_empty` - Designates if empty dictionaries are allowed.
+
+Note that the child field **must** be an instance of `CharField`, as the hstore extension stores values as strings.
+
 ## JSONField
 
 A field class that validates that the incoming data structure consists of valid JSON primitives. In its alternate binary mode, it will represent and validate JSON-encoded binary strings.
 
-**Signature**: `JSONField(binary)`
+**Signature**: `JSONField(binary, encoder)`
 
 - `binary` - If set to `True` then the field will output and validate a JSON encoded string, rather than a primitive data structure. Defaults to `False`.
+- `encoder` - Use this JSON encoder to serialize input object. Defaults to `None`.
 
 ---
 
@@ -496,7 +526,7 @@ For example, if `has_expired` was a property on the `Account` model, then the fo
     class AccountSerializer(serializers.ModelSerializer):
         class Meta:
             model = Account
-            fields = ('id', 'account_name', 'has_expired')
+            fields = ['id', 'account_name', 'has_expired']
 
 ## HiddenField
 
@@ -559,6 +589,8 @@ Note that the `WritableField` class that was present in version 2.x no longer ex
 
 ## Examples
 
+### A Basic Custom Field
+
 Let's look at an example of serializing a class that represents an RGB color value:
 
     class Color(object):
@@ -574,8 +606,8 @@ Let's look at an example of serializing a class that represents an RGB color val
         """
         Color objects are serialized into 'rgb(#, #, #)' notation.
         """
-        def to_representation(self, obj):
-            return "rgb(%d, %d, %d)" % (obj.red, obj.green, obj.blue)
+        def to_representation(self, value):
+            return "rgb(%d, %d, %d)" % (value.red, value.green, value.blue)
 
         def to_internal_value(self, data):
             data = data.strip('rgb(').rstrip(')')
@@ -587,24 +619,24 @@ By default field values are treated as mapping to an attribute on the object.  I
 As an example, let's create a field that can be used to represent the class name of the object being serialized:
 
     class ClassNameField(serializers.Field):
-        def get_attribute(self, obj):
+        def get_attribute(self, instance):
             # We pass the object instance onto `to_representation`,
             # not just the field attribute.
-            return obj
+            return instance
 
-        def to_representation(self, obj):
+        def to_representation(self, value):
             """
-            Serialize the object's class name.
+            Serialize the value's class name.
             """
-            return obj.__class__.__name__
+            return value.__class__.__name__
 
-#### Raising validation errors
+### Raising validation errors
 
 Our `ColorField` class above currently does not perform any data validation.
 To indicate invalid data, we should raise a `serializers.ValidationError`, like so:
 
     def to_internal_value(self, data):
-        if not isinstance(data, six.text_type):
+        if not isinstance(data, str):
             msg = 'Incorrect type. Expected a string, but got %s'
             raise ValidationError(msg % type(data).__name__)
 
@@ -628,7 +660,7 @@ The `.fail()` method is a shortcut for raising `ValidationError` that takes a me
     }
 
     def to_internal_value(self, data):
-        if not isinstance(data, six.text_type):
+        if not isinstance(data, str):
             self.fail('incorrect_type', input_type=type(data).__name__)
 
         if not re.match(r'^rgb\([0-9]+,[0-9]+,[0-9]+\)$', data):
@@ -644,6 +676,137 @@ The `.fail()` method is a shortcut for raising `ValidationError` that takes a me
 
 This style keeps your error messages cleaner and more separated from your code, and should be preferred.
 
+### Using `source='*'`
+
+Here we'll take an example of a _flat_ `DataPoint` model with `x_coordinate` and `y_coordinate` attributes.
+
+    class DataPoint(models.Model):
+        label = models.CharField(max_length=50)
+        x_coordinate = models.SmallIntegerField()
+        y_coordinate = models.SmallIntegerField()
+
+Using a custom field and `source='*'` we can provide a nested representation of
+the coordinate pair:
+
+    class CoordinateField(serializers.Field):
+
+        def to_representation(self, value):
+            ret = {
+                "x": value.x_coordinate,
+                "y": value.y_coordinate
+            }
+            return ret
+
+        def to_internal_value(self, data):
+            ret = {
+                "x_coordinate": data["x"],
+                "y_coordinate": data["y"],
+            }
+            return ret
+
+
+    class DataPointSerializer(serializers.ModelSerializer):
+        coordinates = CoordinateField(source='*')
+
+        class Meta:
+            model = DataPoint
+            fields = ['label', 'coordinates']
+
+Note that this example doesn't handle validation. Partly for that reason, in a
+real project, the coordinate nesting might be better handled with a nested serializer
+using `source='*'`, with two `IntegerField` instances, each with their own `source`
+pointing to the relevant field.
+
+The key points from the example, though, are:
+
+* `to_representation` is passed the entire `DataPoint` object and must map from that
+to the desired output.
+
+        >>> instance = DataPoint(label='Example', x_coordinate=1, y_coordinate=2)
+        >>> out_serializer = DataPointSerializer(instance)
+        >>> out_serializer.data
+        ReturnDict([('label', 'Example'), ('coordinates', {'x': 1, 'y': 2})])
+
+* Unless our field is to be read-only, `to_internal_value` must map back to a dict
+suitable for updating our target object. With `source='*'`, the return from
+`to_internal_value` will update the root validated data dictionary, rather than a single key.
+
+        >>> data = {
+        ...     "label": "Second Example",
+        ...     "coordinates": {
+        ...         "x": 3,
+        ...         "y": 4,
+        ...     }
+        ... }
+        >>> in_serializer = DataPointSerializer(data=data)
+        >>> in_serializer.is_valid()
+        True
+        >>> in_serializer.validated_data
+        OrderedDict([('label', 'Second Example'),
+                     ('y_coordinate', 4),
+                     ('x_coordinate', 3)])
+
+For completeness lets do the same thing again but with the nested serializer
+approach suggested above:
+
+    class NestedCoordinateSerializer(serializers.Serializer):
+        x = serializers.IntegerField(source='x_coordinate')
+        y = serializers.IntegerField(source='y_coordinate')
+
+
+    class DataPointSerializer(serializers.ModelSerializer):
+        coordinates = NestedCoordinateSerializer(source='*')
+
+        class Meta:
+            model = DataPoint
+            fields = ['label', 'coordinates']
+
+Here the mapping between the target and source attribute pairs (`x` and
+`x_coordinate`, `y` and `y_coordinate`) is handled in the `IntegerField`
+declarations. It's our `NestedCoordinateSerializer` that takes `source='*'`.
+
+Our new `DataPointSerializer` exhibits the same behaviour as the custom field
+approach.
+
+Serializing:
+
+    >>> out_serializer = DataPointSerializer(instance)
+    >>> out_serializer.data
+    ReturnDict([('label', 'testing'),
+                ('coordinates', OrderedDict([('x', 1), ('y', 2)]))])
+
+Deserializing:
+
+    >>> in_serializer = DataPointSerializer(data=data)
+    >>> in_serializer.is_valid()
+    True
+    >>> in_serializer.validated_data
+    OrderedDict([('label', 'still testing'),
+                 ('x_coordinate', 3),
+                 ('y_coordinate', 4)])
+
+But we also get the built-in validation for free:
+
+    >>> invalid_data = {
+    ...     "label": "still testing",
+    ...     "coordinates": {
+    ...         "x": 'a',
+    ...         "y": 'b',
+    ...     }
+    ... }
+    >>> invalid_serializer = DataPointSerializer(data=invalid_data)
+    >>> invalid_serializer.is_valid()
+    False
+    >>> invalid_serializer.errors
+    ReturnDict([('coordinates',
+                 {'x': ['A valid integer is required.'],
+                  'y': ['A valid integer is required.']})])
+
+For this reason, the nested serializer approach would be the first to try. You
+would use the custom field approach when the nested serializer becomes infeasible
+or overly complex.
+
+
 # Third party packages
 
 The following third party packages are also available.
@@ -656,7 +819,7 @@ The [drf-compound-fields][drf-compound-fields] package provides "compound" seria
 
 The [drf-extra-fields][drf-extra-fields] package provides extra serializer fields for REST framework, including `Base64ImageField` and `PointField` classes.
 
-## djangrestframework-recursive
+## djangorestframework-recursive
 
 the [djangorestframework-recursive][djangorestframework-recursive] package provides a `RecursiveField` for serializing and deserializing recursive structures
 
@@ -671,10 +834,8 @@ The [django-rest-framework-hstore][django-rest-framework-hstore] package provide
 [cite]: https://docs.djangoproject.com/en/stable/ref/forms/api/#django.forms.Form.cleaned_data
 [html-and-forms]: ../topics/html-and-forms.md
 [FILE_UPLOAD_HANDLERS]: https://docs.djangoproject.com/en/stable/ref/settings/#std:setting-FILE_UPLOAD_HANDLERS
-[ecma262]: http://ecma-international.org/ecma-262/5.1/#sec-15.9.1.15
 [strftime]: https://docs.python.org/3/library/datetime.html#strftime-and-strptime-behavior
-[django-widgets]: https://docs.djangoproject.com/en/stable/ref/forms/widgets/
-[iso8601]: http://www.w3.org/TR/NOTE-datetime
+[iso8601]: https://www.w3.org/TR/NOTE-datetime
 [drf-compound-fields]: https://drf-compound-fields.readthedocs.io
 [drf-extra-fields]: https://github.com/Hipo/drf-extra-fields
 [djangorestframework-recursive]: https://github.com/heywbj/django-rest-framework-recursive
@@ -682,3 +843,4 @@ The [django-rest-framework-hstore][django-rest-framework-hstore] package provide
 [django-rest-framework-hstore]: https://github.com/djangonauts/django-rest-framework-hstore
 [django-hstore]: https://github.com/djangonauts/django-hstore
 [python-decimal-rounding-modes]: https://docs.python.org/3/library/decimal.html#rounding-modes
+[django-current-timezone]: https://docs.djangoproject.com/en/stable/topics/i18n/timezones/#default-time-zone-and-current-time-zone
diff --git a/docs/api-guide/filtering.md b/docs/api-guide/filtering.md
index 93a142755..1bdb6c52b 100644
--- a/docs/api-guide/filtering.md
+++ b/docs/api-guide/filtering.md
@@ -1,4 +1,7 @@
-source: filters.py
+---
+source:
+    - filters.py
+---
 
 # Filtering
 
@@ -92,7 +95,7 @@ Generic filters can also present themselves as HTML controls in the browsable AP
 The default filter backends may be set globally, using the `DEFAULT_FILTER_BACKENDS` setting. For example.
 
     REST_FRAMEWORK = {
-        'DEFAULT_FILTER_BACKENDS': ('django_filters.rest_framework.DjangoFilterBackend',)
+        'DEFAULT_FILTER_BACKENDS': ['django_filters.rest_framework.DjangoFilterBackend']
     }
 
 You can also set the filter backends on a per-view, or per-viewset basis,
@@ -106,7 +109,7 @@ using the `GenericAPIView` class-based views.
     class UserListView(generics.ListAPIView):
         queryset = User.objects.all()
         serializer_class = UserSerializer
-        filter_backends = (django_filters.rest_framework.DjangoFilterBackend,)
+        filter_backends = [django_filters.rest_framework.DjangoFilterBackend]
 
 ## Filtering and object lookups
 
@@ -127,7 +130,7 @@ Note that you can use both an overridden `.get_queryset()` and generic filtering
         """
         model = Product
         serializer_class = ProductSerializer
-        filter_class = ProductFilter
+        filterset_class = ProductFilter
 
         def get_queryset(self):
             user = self.request.user
@@ -139,7 +142,7 @@ Note that you can use both an overridden `.get_queryset()` and generic filtering
 
 ## DjangoFilterBackend
 
-The `django-filter` library includes a `DjangoFilterBackend` class which
+The [`django-filter`][django-filter-docs] library includes a `DjangoFilterBackend` class which
 supports highly customizable field filtering for REST framework.
 
 To use `DjangoFilterBackend`, first install `django-filter`. Then add `django_filters` to Django's `INSTALLED_APPS`
@@ -149,7 +152,7 @@ To use `DjangoFilterBackend`, first install `django-filter`. Then add `django_fi
 You should now either add the filter backend to your settings:
 
     REST_FRAMEWORK = {
-        'DEFAULT_FILTER_BACKENDS': ('django_filters.rest_framework.DjangoFilterBackend',)
+        'DEFAULT_FILTER_BACKENDS': ['django_filters.rest_framework.DjangoFilterBackend']
     }
 
 Or add the filter backend to an individual View or ViewSet.
@@ -158,15 +161,15 @@ Or add the filter backend to an individual View or ViewSet.
 
     class UserListView(generics.ListAPIView):
         ...
-        filter_backends = (DjangoFilterBackend,)
+        filter_backends = [DjangoFilterBackend]
 
-If all you need is simple equality-based filtering, you can set a `filter_fields` attribute on the view, or viewset, listing the set of fields you wish to filter against.
+If all you need is simple equality-based filtering, you can set a `filterset_fields` attribute on the view, or viewset, listing the set of fields you wish to filter against.
 
     class ProductList(generics.ListAPIView):
         queryset = Product.objects.all()
         serializer_class = ProductSerializer
-        filter_backends = (DjangoFilterBackend,)
-        filter_fields = ('category', 'in_stock')
+        filter_backends = [DjangoFilterBackend]
+        filterset_fields = ['category', 'in_stock']
 
 This will automatically create a `FilterSet` class for the given fields, and will allow you to make requests such as:
 
@@ -187,11 +190,13 @@ When in use, the browsable API will include a `SearchFilter` control:
 
 The `SearchFilter` class will only be applied if the view has a `search_fields` attribute set.  The `search_fields` attribute should be a list of names of text type fields on the model, such as `CharField` or `TextField`.
 
+    from rest_framework import filters
+
     class UserListView(generics.ListAPIView):
         queryset = User.objects.all()
         serializer_class = UserSerializer
-        filter_backends = (filters.SearchFilter,)
-        search_fields = ('username', 'email')
+        filter_backends = [filters.SearchFilter]
+        search_fields = ['username', 'email']
 
 This will allow the client to filter the items in the list by making queries such as:
 
@@ -199,7 +204,7 @@ This will allow the client to filter the items in the list by making queries suc
 
 You can also perform a related lookup on a ForeignKey or ManyToManyField with the lookup API double-underscore notation:
 
-    search_fields = ('username', 'email', 'profile__profession')
+    search_fields = ['username', 'email', 'profile__profession']
 
 By default, searches will use case-insensitive partial matches.  The search parameter may contain multiple search terms, which should be whitespace and/or comma separated.  If multiple search terms are used then objects will be returned in the list only if all the provided terms are matched.
 
@@ -212,9 +217,19 @@ The search behavior may be restricted by prepending various characters to the `s
 
 For example:
 
-    search_fields = ('=username', '=email')
+    search_fields = ['=username', '=email']
 
-By default, the search parameter is named `'search`', but this may be overridden with the `SEARCH_PARAM` setting.
+By default, the search parameter is named `'search'`, but this may be overridden with the `SEARCH_PARAM` setting.
+
+To dynamically change search fields based on request content, it's possible to subclass the `SearchFilter` and override the `get_search_fields()` function. For example, the following subclass will only search on `title` if the query parameter `title_only` is in the request:
+
+    from rest_framework import filters
+
+    class CustomSearchFilter(filters.SearchFilter):
+        def get_search_fields(self, view, request):
+            if request.query_params.get('title_only'):
+                return ['title']
+            return super(CustomSearchFilter, self).get_search_fields(view, request)
 
 For more details, see the [Django documentation][search-django-admin].
 
@@ -247,8 +262,8 @@ It's recommended that you explicitly specify which fields the API should allowin
     class UserListView(generics.ListAPIView):
         queryset = User.objects.all()
         serializer_class = UserSerializer
-        filter_backends = (filters.OrderingFilter,)
-        ordering_fields = ('username', 'email')
+        filter_backends = [filters.OrderingFilter]
+        ordering_fields = ['username', 'email']
 
 This helps prevent unexpected data leakage, such as allowing users to order against a password hash field or other sensitive data.
 
@@ -259,7 +274,7 @@ If you are confident that the queryset being used by the view doesn't contain an
     class BookingsListView(generics.ListAPIView):
         queryset = Booking.objects.all()
         serializer_class = BookingSerializer
-        filter_backends = (filters.OrderingFilter,)
+        filter_backends = [filters.OrderingFilter]
         ordering_fields = '__all__'
 
 ### Specifying a default ordering
@@ -271,55 +286,14 @@ Typically you'd instead control this by setting `order_by` on the initial querys
     class UserListView(generics.ListAPIView):
         queryset = User.objects.all()
         serializer_class = UserSerializer
-        filter_backends = (filters.OrderingFilter,)
-        ordering_fields = ('username', 'email')
-        ordering = ('username',)
+        filter_backends = [filters.OrderingFilter]
+        ordering_fields = ['username', 'email']
+        ordering = ['username']
 
 The `ordering` attribute may be either a string or a list/tuple of strings.
 
 ---
 
-## DjangoObjectPermissionsFilter
-
-The `DjangoObjectPermissionsFilter` is intended to be used together with the [`django-guardian`][guardian] package, with custom `'view'` permissions added.  The filter will ensure that querysets only returns objects for which the user has the appropriate view permission.
-
-If you're using `DjangoObjectPermissionsFilter`, you'll probably also want to add an appropriate object permissions class, to ensure that users can only operate on instances if they have the appropriate object permissions.  The easiest way to do this is to subclass `DjangoObjectPermissions` and add `'view'` permissions to the `perms_map` attribute.
-
-A complete example using both `DjangoObjectPermissionsFilter` and `DjangoObjectPermissions` might look something like this.
-
-**permissions.py**:
-
-    class CustomObjectPermissions(permissions.DjangoObjectPermissions):
-		"""
-		Similar to `DjangoObjectPermissions`, but adding 'view' permissions.
-		"""
-        perms_map = {
-            'GET': ['%(app_label)s.view_%(model_name)s'],
-            'OPTIONS': ['%(app_label)s.view_%(model_name)s'],
-            'HEAD': ['%(app_label)s.view_%(model_name)s'],
-            'POST': ['%(app_label)s.add_%(model_name)s'],
-            'PUT': ['%(app_label)s.change_%(model_name)s'],
-            'PATCH': ['%(app_label)s.change_%(model_name)s'],
-            'DELETE': ['%(app_label)s.delete_%(model_name)s'],
-        }
-
-**views.py**:
-
-    class EventViewSet(viewsets.ModelViewSet):
-    	"""
-    	Viewset that only lists events if user has 'view' permissions, and only
-    	allows operations on individual events if user has appropriate 'view', 'add',
-    	'change' or 'delete' permissions.
-		"""
-        queryset = Event.objects.all()
-        serializer_class = EventSerializer
-        filter_backends = (filters.DjangoObjectPermissionsFilter,)
-        permission_classes = (myapp.permissions.CustomObjectPermissions,)
-
-For more information on adding `'view'` permissions for models, see the [relevant section][view-permissions] of the `django-guardian` documentation, and [this blogpost][view-permissions-blogpost].
-
----
-
 # Custom generic filtering
 
 You can also provide your own generic filtering backend, or write an installable app for other developers to use.
@@ -379,13 +353,8 @@ The [djangorestframework-word-filter][django-rest-framework-word-search-filter]
 [drf-url-filter][drf-url-filter] is a simple Django app to apply filters on drf `ModelViewSet`'s `Queryset` in a clean, simple and configurable way. It also supports validations on incoming query params and their values. A beautiful python package `Voluptuous` is being used for validations on the incoming query parameters. The best part about voluptuous is you can define your own validations as per your query params requirements.
 
 [cite]: https://docs.djangoproject.com/en/stable/topics/db/queries/#retrieving-specific-objects-with-filters
-[django-filter]: https://github.com/alex/django-filter
 [django-filter-docs]: https://django-filter.readthedocs.io/en/latest/index.html
 [django-filter-drf-docs]: https://django-filter.readthedocs.io/en/latest/guide/rest_framework.html
-[guardian]: https://django-guardian.readthedocs.io/
-[view-permissions]: https://django-guardian.readthedocs.io/en/latest/userguide/assign.html
-[view-permissions-blogpost]: http://blog.nyaruka.com/adding-a-view-permission-to-django-models
-[nullbooleanselect]: https://github.com/django/django/blob/master/django/forms/widgets.py
 [search-django-admin]: https://docs.djangoproject.com/en/stable/ref/contrib/admin/#django.contrib.admin.ModelAdmin.search_fields
 [django-rest-framework-filters]: https://github.com/philipn/django-rest-framework-filters
 [django-rest-framework-word-search-filter]: https://github.com/trollknurr/django-rest-framework-word-search-filter
diff --git a/docs/api-guide/format-suffixes.md b/docs/api-guide/format-suffixes.md
index 05dde47f2..04467b3d3 100644
--- a/docs/api-guide/format-suffixes.md
+++ b/docs/api-guide/format-suffixes.md
@@ -1,4 +1,7 @@
-source: urlpatterns.py
+---
+source:
+    - urlpatterns.py
+---
 
 # Format suffixes
 
@@ -38,7 +41,7 @@ Example:
 
 When using `format_suffix_patterns`, you must make sure to add the `'format'` keyword argument to the corresponding views.  For example:
 
-    @api_view(('GET', 'POST'))
+    @api_view(['GET', 'POST'])
     def comment_list(request, format=None):
         # do stuff...
 
@@ -90,4 +93,4 @@ It is actually a misconception.  For example, take the following quote from Roy
 The quote does not mention Accept headers, but it does make it clear that format suffixes should be considered an acceptable pattern.
 
 [cite]: http://tech.groups.yahoo.com/group/rest-discuss/message/5857
-[cite2]: http://tech.groups.yahoo.com/group/rest-discuss/message/14844
+[cite2]: https://groups.yahoo.com/neo/groups/rest-discuss/conversations/topics/14844
diff --git a/docs/api-guide/generic-views.md b/docs/api-guide/generic-views.md
index a0ed7bdea..a2f19ff2e 100644
--- a/docs/api-guide/generic-views.md
+++ b/docs/api-guide/generic-views.md
@@ -1,5 +1,8 @@
-source: mixins.py
-        generics.py
+---
+source:
+    - mixins.py
+    - generics.py
+---
 
 # Generic views
 
@@ -25,14 +28,14 @@ Typically when using the generic views, you'll override the view, and set severa
     class UserList(generics.ListCreateAPIView):
         queryset = User.objects.all()
         serializer_class = UserSerializer
-        permission_classes = (IsAdminUser,)
+        permission_classes = [IsAdminUser]
 
 For more complex cases you might also want to override various methods on the view class.  For example.
 
     class UserList(generics.ListCreateAPIView):
         queryset = User.objects.all()
         serializer_class = UserSerializer
-        permission_classes = (IsAdminUser,)
+        permission_classes = [IsAdminUser]
 
         def list(self, request):
             # Note the use of `get_queryset()` instead of `self.queryset`
@@ -120,12 +123,12 @@ Given a queryset, filter it with whichever filter backends are in use, returning
 For example:
 
     def filter_queryset(self, queryset):
-        filter_backends = (CategoryFilter,)
+        filter_backends = [CategoryFilter]
 
         if 'geo_route' in self.request.query_params:
-            filter_backends = (GeoRouteFilter, CategoryFilter)
+            filter_backends = [GeoRouteFilter, CategoryFilter]
         elif 'geo_point' in self.request.query_params:
-            filter_backends = (GeoPointFilter, CategoryFilter)
+            filter_backends = [GeoPointFilter, CategoryFilter]
 
         for backend in list(filter_backends):
             queryset = backend().filter_queryset(self.request, queryset, view=self)
@@ -339,7 +342,7 @@ You can then simply apply this mixin to a view or viewset anytime you need to ap
     class RetrieveUserView(MultipleFieldLookupMixin, generics.RetrieveAPIView):
         queryset = User.objects.all()
         serializer_class = UserSerializer
-        lookup_fields = ('account', 'username')
+        lookup_fields = ['account', 'username']
 
 Using custom mixins is a good option if you have custom behavior that needs to be used.
 
@@ -375,10 +378,6 @@ If you need to generic PUT-as-create behavior you may want to include something
 
 The following third party packages provide additional generic view implementations.
 
-## Django REST Framework bulk
-
-The [django-rest-framework-bulk package][django-rest-framework-bulk] implements generic view mixins as well as some common concrete generic views to allow to apply bulk operations via API requests.
-
 ## Django Rest Multiple Models
 
 [Django Rest Multiple Models][django-rest-multiple-models] provides a generic view (and mixin) for sending multiple serialized models and/or querysets via a single API request.
@@ -391,5 +390,4 @@ The [django-rest-framework-bulk package][django-rest-framework-bulk] implements
 [RetrieveModelMixin]: #retrievemodelmixin
 [UpdateModelMixin]: #updatemodelmixin
 [DestroyModelMixin]: #destroymodelmixin
-[django-rest-framework-bulk]: https://github.com/miki725/django-rest-framework-bulk
 [django-rest-multiple-models]: https://github.com/MattBroach/DjangoRestMultipleModels
diff --git a/docs/api-guide/metadata.md b/docs/api-guide/metadata.md
index de28ffd8a..fdb778626 100644
--- a/docs/api-guide/metadata.md
+++ b/docs/api-guide/metadata.md
@@ -1,4 +1,7 @@
-source: metadata.py
+---
+source:
+    - metadata.py
+---
 
 # Metadata
 
@@ -67,7 +70,7 @@ If you have specific requirements for creating schema endpoints that are accesse
 
 For example, the following additional route could be used on a viewset to provide a linkable schema endpoint.
 
-    @list_route(methods=['GET'])
+    @action(methods=['GET'], detail=False)
     def schema(self, request):
         meta = self.metadata_class()
         data = meta.determine_metadata(request, self)
@@ -115,7 +118,7 @@ The following third party packages provide additional metadata implementations.
 You can also write your own adapter to work with your specific frontend.
 If you wish to do so, it also provides an exporter that can export those schema information to json files.
 
-[cite]: http://tools.ietf.org/html/rfc7231#section-4.3.7
+[cite]: https://tools.ietf.org/html/rfc7231#section-4.3.7
 [no-options]: https://www.mnot.net/blog/2012/10/29/NO_OPTIONS
-[json-schema]: http://json-schema.org/
+[json-schema]: https://json-schema.org/
 [drf-schema-adapter]: https://github.com/drf-forms/drf-schema-adapter
diff --git a/docs/api-guide/pagination.md b/docs/api-guide/pagination.md
index b28f1616d..8d9eb2288 100644
--- a/docs/api-guide/pagination.md
+++ b/docs/api-guide/pagination.md
@@ -1,4 +1,7 @@
-source: pagination.py
+---
+source:
+    - pagination.py
+---
 
 # Pagination
 
@@ -46,7 +49,7 @@ If you want to modify particular aspects of the pagination style, you'll want to
         page_size_query_param = 'page_size'
         max_page_size = 1000
 
-You can then apply your new style to a view using the `.pagination_class` attribute:
+You can then apply your new style to a view using the `pagination_class` attribute:
 
     class BillingRecordsView(generics.ListAPIView):
         queryset = Billing.objects.all()
@@ -257,6 +260,10 @@ To have your custom pagination class be used by default, use the `DEFAULT_PAGINA
 
 API responses for list endpoints will now include a `Link` header, instead of including the pagination links as part of the body of the response, for example:
 
+![Link Header][link-header]
+
+*A custom pagination style, using the 'Link' header'*
+
 ## Pagination & schemas
 
 You can also make the pagination controls available to the schema autogeneration
@@ -268,12 +275,6 @@ The method should return a list of `coreapi.Field` instances.
 
 ---
 
-![Link Header][link-header]
-
-*A custom pagination style, using the 'Link' header'*
-
----
-
 # HTML pagination controls
 
 By default using the pagination classes will cause HTML pagination controls to be displayed in the browsable API. There are two built-in display styles. The `PageNumberPagination` and `LimitOffsetPagination` classes display a list of page numbers with previous and next controls. The `CursorPagination` class displays a simpler style that only displays a previous and next control.
@@ -311,14 +312,13 @@ The [`drf-proxy-pagination` package][drf-proxy-pagination] includes a `ProxyPagi
 
 ## link-header-pagination
 
-The [`django-rest-framework-link-header-pagination` package][drf-link-header-pagination] includes a `LinkHeaderPagination` class which provides pagination via an HTTP `Link` header as desribed in [Github's developer documentation](github-link-pagination).
+The [`django-rest-framework-link-header-pagination` package][drf-link-header-pagination] includes a `LinkHeaderPagination` class which provides pagination via an HTTP `Link` header as described in [Github's developer documentation](github-link-pagination).
 
 [cite]: https://docs.djangoproject.com/en/stable/topics/pagination/
-[github-link-pagination]: https://developer.github.com/guides/traversing-with-pagination/
 [link-header]: ../img/link-header-pagination.png
-[drf-extensions]: http://chibisov.github.io/drf-extensions/docs/
-[paginate-by-max-mixin]: http://chibisov.github.io/drf-extensions/docs/#paginatebymaxmixin
+[drf-extensions]: https://chibisov.github.io/drf-extensions/docs/
+[paginate-by-max-mixin]: https://chibisov.github.io/drf-extensions/docs/#paginatebymaxmixin
 [drf-proxy-pagination]: https://github.com/tuffnatty/drf-proxy-pagination
 [drf-link-header-pagination]: https://github.com/tbeadle/django-rest-framework-link-header-pagination
-[disqus-cursor-api]: http://cramer.io/2011/03/08/building-cursors-for-the-disqus-api
+[disqus-cursor-api]: https://cra.mr/2011/03/08/building-cursors-for-the-disqus-api
 [float_cursor_pagination_example]: https://gist.github.com/keturn/8bc88525a183fd41c73ffb729b8865be#file-fpcursorpagination-py
diff --git a/docs/api-guide/parsers.md b/docs/api-guide/parsers.md
index cd5ef1a04..a3bc74a2b 100644
--- a/docs/api-guide/parsers.md
+++ b/docs/api-guide/parsers.md
@@ -1,4 +1,7 @@
-source: parsers.py
+---
+source:
+    - parsers.py
+---
 
 # Parsers
 
@@ -29,9 +32,9 @@ As an example, if you are sending `json` encoded data using jQuery with the [.aj
 The default set of parsers may be set globally, using the `DEFAULT_PARSER_CLASSES` setting. For example, the following settings would allow only requests with `JSON` content, instead of the default of JSON or form data.
 
     REST_FRAMEWORK = {
-        'DEFAULT_PARSER_CLASSES': (
+        'DEFAULT_PARSER_CLASSES': [
             'rest_framework.parsers.JSONParser',
-        )
+        ]
     }
 
 You can also set the parsers used for an individual view, or viewset,
@@ -45,7 +48,7 @@ using the `APIView` class-based views.
         """
         A view that can accept POST requests with JSON content.
         """
-        parser_classes = (JSONParser,)
+        parser_classes = [JSONParser]
 
         def post(self, request, format=None):
             return Response({'received data': request.data})
@@ -57,7 +60,7 @@ Or, if you're using the `@api_view` decorator with function based views.
     from rest_framework.parsers import JSONParser
 
     @api_view(['POST'])
-    @parser_classes((JSONParser,))
+    @parser_classes([JSONParser])
     def example_view(request, format=None):
         """
         A view that can accept POST requests with JSON content.
@@ -102,7 +105,7 @@ If it is called without a `filename` URL keyword argument, then the client must
 
 ##### Notes:
 
-* The `FileUploadParser` is for usage with native clients that can upload the file as a raw data request.  For web-based uploads, or for native clients with multipart upload support, you should use the `MultiPartParser` parser instead.
+* The `FileUploadParser` is for usage with native clients that can upload the file as a raw data request.  For web-based uploads, or for native clients with multipart upload support, you should use the `MultiPartParser` instead.
 * Since this parser's `media_type` matches any content type, `FileUploadParser` should generally be the only parser set on an API view.
 * `FileUploadParser` respects Django's standard `FILE_UPLOAD_HANDLERS` setting, and the `request.upload_handlers` attribute.  See the [Django documentation][upload-handlers] for more details.
 
@@ -110,7 +113,7 @@ If it is called without a `filename` URL keyword argument, then the client must
 
     # views.py
     class FileUploadView(views.APIView):
-        parser_classes = (FileUploadParser,)
+        parser_classes = [FileUploadParser]
 
         def put(self, request, filename, format=None):
             file_obj = request.data['file']
@@ -186,12 +189,12 @@ Install using pip.
 Modify your REST framework settings.
 
     REST_FRAMEWORK = {
-        'DEFAULT_PARSER_CLASSES': (
+        'DEFAULT_PARSER_CLASSES': [
             'rest_framework_yaml.parsers.YAMLParser',
-        ),
-        'DEFAULT_RENDERER_CLASSES': (
+        ],
+        'DEFAULT_RENDERER_CLASSES': [
             'rest_framework_yaml.renderers.YAMLRenderer',
-        ),
+        ],
     }
 
 ## XML
@@ -207,12 +210,12 @@ Install using pip.
 Modify your REST framework settings.
 
     REST_FRAMEWORK = {
-        'DEFAULT_PARSER_CLASSES': (
+        'DEFAULT_PARSER_CLASSES': [
             'rest_framework_xml.parsers.XMLParser',
-        ),
-        'DEFAULT_RENDERER_CLASSES': (
+        ],
+        'DEFAULT_RENDERER_CLASSES': [
             'rest_framework_xml.renderers.XMLRenderer',
-        ),
+        ],
     }
 
 ## MessagePack
@@ -223,11 +226,11 @@ Modify your REST framework settings.
 
 [djangorestframework-camel-case] provides camel case JSON renderers and parsers for REST framework.  This allows serializers to use Python-style underscored field names, but be exposed in the API as Javascript-style camel case field names.  It is maintained by [Vitaly Babiy][vbabiy].
 
-[jquery-ajax]: http://api.jquery.com/jQuery.ajax/
+[jquery-ajax]: https://api.jquery.com/jQuery.ajax/
 [cite]: https://groups.google.com/d/topic/django-developers/dxI4qVzrBY4/discussion
 [upload-handlers]: https://docs.djangoproject.com/en/stable/topics/http/file-uploads/#upload-handlers
-[rest-framework-yaml]: http://jpadilla.github.io/django-rest-framework-yaml/
-[rest-framework-xml]: http://jpadilla.github.io/django-rest-framework-xml/
+[rest-framework-yaml]: https://jpadilla.github.io/django-rest-framework-yaml/
+[rest-framework-xml]: https://jpadilla.github.io/django-rest-framework-xml/
 [yaml]: http://www.yaml.org/
 [messagepack]: https://github.com/juanriaza/django-rest-framework-msgpack
 [juanriaza]: https://github.com/juanriaza
diff --git a/docs/api-guide/permissions.md b/docs/api-guide/permissions.md
index 3b89e9141..25baa4813 100644
--- a/docs/api-guide/permissions.md
+++ b/docs/api-guide/permissions.md
@@ -1,4 +1,7 @@
-source: permissions.py
+---
+source:
+    - permissions.py
+---
 
 # Permissions
 
@@ -10,9 +13,9 @@ Together with [authentication] and [throttling], permissions determine whether a
 
 Permission checks are always run at the very start of the view, before any other code is allowed to proceed.  Permission checks will typically use the authentication information in the `request.user` and `request.auth` properties to determine if the incoming request should be permitted.
 
-Permissions are used to grant or deny access different classes of users to different parts of the API.
+Permissions are used to grant or deny access for different classes of users to different parts of the API.
 
-The simplest style of permission would be to allow access to any authenticated user, and deny access to any unauthenticated user. This corresponds the `IsAuthenticated` class in REST framework.
+The simplest style of permission would be to allow access to any authenticated user, and deny access to any unauthenticated user. This corresponds to the `IsAuthenticated` class in REST framework.
 
 A slightly less strict style of permission would be to allow full access to authenticated users, but allow read-only access to unauthenticated users. This corresponds to the `IsAuthenticatedOrReadOnly` class in REST framework.
 
@@ -48,6 +51,19 @@ For example:
         self.check_object_permissions(self.request, obj)
         return obj
 
+---
+
+**Note**: With the exception of `DjangoObjectPermissions`, the provided
+permission classes in `rest_framework.permissions` **do not** implement the
+methods necessary to check object permissions.
+
+If you wish to use the provided permission classes in order to check object
+permissions, **you must** subclass them and implement the
+`has_object_permission()` method described in the [_Custom
+permissions_](#custom-permissions) section (below).
+
+---
+
 #### Limitations of object level permissions
 
 For performance reasons the generic views will not automatically apply object level permissions to each instance in a queryset when returning a list of objects.
@@ -59,16 +75,16 @@ Often when you're using object level permissions you'll also want to [filter the
 The default permission policy may be set globally, using the `DEFAULT_PERMISSION_CLASSES` setting.  For example.
 
     REST_FRAMEWORK = {
-        'DEFAULT_PERMISSION_CLASSES': (
+        'DEFAULT_PERMISSION_CLASSES': [
             'rest_framework.permissions.IsAuthenticated',
-        )
+        ]
     }
 
 If not specified, this setting defaults to allowing unrestricted access:
 
-    'DEFAULT_PERMISSION_CLASSES': (
+    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.AllowAny',
-    )
+    ]
 
 You can also set the authentication policy on a per-view, or per-viewset basis,
 using the `APIView` class-based views.
@@ -78,7 +94,7 @@ using the `APIView` class-based views.
     from rest_framework.views import APIView
 
     class ExampleView(APIView):
-        permission_classes = (IsAuthenticated,)
+        permission_classes = [IsAuthenticated]
 
         def get(self, request, format=None):
             content = {
@@ -93,7 +109,7 @@ Or, if you're using the `@api_view` decorator with function based views.
     from rest_framework.response import Response
 
     @api_view(['GET'])
-    @permission_classes((IsAuthenticated, ))
+    @permission_classes([IsAuthenticated])
     def example_view(request, format=None):
         content = {
             'status': 'request was permitted'
@@ -102,6 +118,27 @@ Or, if you're using the `@api_view` decorator with function based views.
 
 __Note:__ when you set new permission classes through class attribute or decorators you're telling the view to ignore the default list set over the __settings.py__ file.
 
+Provided they inherit from `rest_framework.permissions.BasePermission`, permissions can be composed using standard Python bitwise operators. For example, `IsAuthenticatedOrReadOnly` could be written:
+
+    from rest_framework.permissions import BasePermission, IsAuthenticated, SAFE_METHODS
+    from rest_framework.response import Response
+    from rest_framework.views import APIView
+
+    class ReadOnly(BasePermission):
+        def has_permission(self, request, view):
+            return request.method in SAFE_METHODS
+
+    class ExampleView(APIView):
+        permission_classes = [IsAuthenticated|ReadOnly]
+
+        def get(self, request, format=None):
+            content = {
+                'status': 'request was permitted'
+            }
+            return Response(content)
+
+__Note:__ it supports & (and), | (or) and ~ (not).
+
 ---
 
 # API Reference
@@ -168,9 +205,7 @@ As with `DjangoModelPermissions` you can use custom model permissions by overrid
 
 ---
 
-**Note**: If you need object level `view` permissions for `GET`, `HEAD` and `OPTIONS` requests, you'll want to consider also adding the `DjangoObjectPermissionsFilter` class to ensure that list endpoints only return results including objects for which the user has appropriate view permissions.
-
----
+**Note**: If you need object level `view` permissions for `GET`, `HEAD` and `OPTIONS` requests and are using django-guardian for your object-level permissions backend, you'll want to consider using the `DjangoObjectPermissionsFilter` class provided by the [`djangorestframework-guardian` package][django-rest-framework-guardian]. It ensures that list endpoints only return results including objects for which the user has appropriate view permissions.
 
 ---
 
@@ -192,7 +227,7 @@ If you need to test if a request is a read operation or a write operation, you s
 
 ---
 
-**Note**: The instance-level `has_object_permission` method will only be called if the view-level `has_permission` checks have already passed. Also note that in order for the instance-level checks to run, the view code should explicitly call `.check_object_permissions(request, obj)`. If you are using the generic views then this will be handled for you by default.
+**Note**: The instance-level `has_object_permission` method will only be called if the view-level `has_permission` checks have already passed. Also note that in order for the instance-level checks to run, the view code should explicitly call `.check_object_permissions(request, obj)`. If you are using the generic views then this will be handled for you by default. (Function-based views will need to check object permissions explicitly, raising `PermissionDenied` on failure.)
 
 ---
 
@@ -249,13 +284,17 @@ Also note that the generic views will only check the object-level permissions fo
 
 The following third party packages are also available.
 
+## DRF - Access Policy
+
+The [Django REST - Access Policy][drf-access-policy] package provides a way to define complex access rules in declarative policy classes that are attached to view sets or function-based views. The policies are defined in JSON in a format similar to AWS' Identity & Access Management policies. 
+
 ## Composed Permissions
 
 The [Composed Permissions][composed-permissions] package provides a simple way to define complex and multi-depth (with logic operators) permission objects, using small and reusable components.
 
 ## REST Condition
 
-The [REST Condition][rest-condition] package is another extension for building complex permissions in a simple and convenient way.  The extension allows you to combine permissions with logical operators.
+The [REST Condition][rest-condition] package is another extension for building complex permissions in a simple and convenient way. The extension allows you to combine permissions with logical operators.
 
 ## DRY Rest Permissions
 
@@ -265,9 +304,13 @@ The [DRY Rest Permissions][dry-rest-permissions] package provides the ability to
 
 The [Django Rest Framework Roles][django-rest-framework-roles] package makes it easier to parameterize your API over multiple types of users.
 
-## Django Rest Framework API Key
+## Django REST Framework API Key
 
-The [Django Rest Framework API Key][django-rest-framework-api-key] package allows you to ensure that every request made to the server requires an API key header. You can generate one from the django admin interface.
+The [Django REST Framework API Key][djangorestframework-api-key] package provides permissions classes, models and helpers to add API key authorization to your API. It can be used to authorize internal or third-party backends and services (i.e. _machines_) which do not have a user account. API keys are stored securely using Django's password hashing infrastructure, and they can be viewed, edited and revoked at anytime in the Django admin.
+
+## Django Rest Framework Role Filters
+
+The [Django Rest Framework Role Filters][django-rest-framework-role-filters] package provides simple filtering over multiple types of roles.
 
 [cite]: https://developer.apple.com/library/mac/#documentation/security/Conceptual/AuthenticationAndAuthorizationGuide/Authorization/Authorization.html
 [authentication]: authentication.md
@@ -276,12 +319,12 @@ The [Django Rest Framework API Key][django-rest-framework-api-key] package allow
 [contribauth]: https://docs.djangoproject.com/en/stable/topics/auth/customizing/#custom-permissions
 [objectpermissions]: https://docs.djangoproject.com/en/stable/topics/auth/customizing/#handling-object-permissions
 [guardian]: https://github.com/lukaszb/django-guardian
-[get_objects_for_user]: http://pythonhosted.org/django-guardian/api/guardian.shortcuts.html#get-objects-for-user
-[2.2-announcement]: ../topics/2.2-announcement.md
 [filtering]: filtering.md
-[drf-any-permissions]: https://github.com/kevin-brown/drf-any-permissions
 [composed-permissions]: https://github.com/niwibe/djangorestframework-composed-permissions
 [rest-condition]: https://github.com/caxap/rest_condition
 [dry-rest-permissions]: https://github.com/Helioscene/dry-rest-permissions
 [django-rest-framework-roles]: https://github.com/computer-lab/django-rest-framework-roles
-[django-rest-framework-api-key]: https://github.com/manosim/django-rest-framework-api-key
+[djangorestframework-api-key]: https://florimondmanca.github.io/djangorestframework-api-key/
+[django-rest-framework-role-filters]: https://github.com/allisson/django-rest-framework-role-filters
+[django-rest-framework-guardian]: https://github.com/rpkilby/django-rest-framework-guardian
+[drf-access-policy]: https://github.com/rsinger86/drf-access-policy
diff --git a/docs/api-guide/relations.md b/docs/api-guide/relations.md
index 662fd4809..14f197b21 100644
--- a/docs/api-guide/relations.md
+++ b/docs/api-guide/relations.md
@@ -1,12 +1,13 @@
-source: relations.py
+---
+source:
+    - relations.py
+---
 
 # Serializer relations
 
-> Bad programmers worry about the code.
-> Good programmers worry about data structures and their relationships.
+> Data structures, not algorithms, are central to programming.
 >
-> &mdash; [Linus Torvalds][cite]
-
+> &mdash; [Rob Pike][cite]
 
 Relational fields are used to represent model relationships.  They can be applied to `ForeignKey`, `ManyToManyField` and `OneToOneField` relationships, as well as to reverse relationships, and custom relationships such as `GenericForeignKey`.
 
@@ -24,7 +25,7 @@ To do so, open the Django shell, using `python manage.py shell`, then import the
 
     >>> from myapp.serializers import AccountSerializer
     >>> serializer = AccountSerializer()
-    >>> print repr(serializer)  # Or `print(repr(serializer))` in Python 3.x.
+    >>> print(repr(serializer))
     AccountSerializer():
         id = IntegerField(label='ID', read_only=True)
         name = CharField(allow_blank=True, max_length=100, required=False)
@@ -45,15 +46,15 @@ In order to explain the various types of relational fields, we'll use a couple o
         duration = models.IntegerField()
 
         class Meta:
-            unique_together = ('album', 'order')
+            unique_together = ['album', 'order']
             ordering = ['order']
 
-        def __unicode__(self):
+        def __str__(self):
             return '%d: %s' % (self.order, self.title)
 
 ## StringRelatedField
 
-`StringRelatedField` may be used to represent the target of the relationship using its `__unicode__` method.
+`StringRelatedField` may be used to represent the target of the relationship using its `__str__` method.
 
 For example, the following serializer.
 
@@ -62,7 +63,7 @@ For example, the following serializer.
 
         class Meta:
             model = Album
-            fields = ('album_name', 'artist', 'tracks')
+            fields = ['album_name', 'artist', 'tracks']
 
 Would serialize to the following representation.
 
@@ -94,7 +95,7 @@ For example, the following serializer:
 
         class Meta:
             model = Album
-            fields = ('album_name', 'artist', 'tracks')
+            fields = ['album_name', 'artist', 'tracks']
 
 Would serialize to a representation like this:
 
@@ -134,7 +135,7 @@ For example, the following serializer:
 
         class Meta:
             model = Album
-            fields = ('album_name', 'artist', 'tracks')
+            fields = ['album_name', 'artist', 'tracks']
 
 Would serialize to a representation like this:
 
@@ -186,7 +187,7 @@ For example, the following serializer:
 
         class Meta:
             model = Album
-            fields = ('album_name', 'artist', 'tracks')
+            fields = ['album_name', 'artist', 'tracks']
 
 Would serialize to a representation like this:
 
@@ -221,7 +222,7 @@ This field can be applied as an identity relationship, such as the `'url'` field
 
         class Meta:
             model = Album
-            fields = ('album_name', 'artist', 'track_listing')
+            fields = ['album_name', 'artist', 'track_listing']
 
 Would serialize to a representation like this:
 
@@ -255,14 +256,14 @@ For example, the following serializer:
     class TrackSerializer(serializers.ModelSerializer):
         class Meta:
             model = Track
-            fields = ('order', 'title', 'duration')
+            fields = ['order', 'title', 'duration']
 
     class AlbumSerializer(serializers.ModelSerializer):
         tracks = TrackSerializer(many=True, read_only=True)
 
         class Meta:
             model = Album
-            fields = ('album_name', 'artist', 'tracks')
+            fields = ['album_name', 'artist', 'tracks']
 
 Would serialize to a nested representation like this:
 
@@ -293,14 +294,14 @@ By default nested serializers are read-only. If you want to support write-operat
     class TrackSerializer(serializers.ModelSerializer):
         class Meta:
             model = Track
-            fields = ('order', 'title', 'duration')
+            fields = ['order', 'title', 'duration']
 
     class AlbumSerializer(serializers.ModelSerializer):
         tracks = TrackSerializer(many=True)
 
         class Meta:
             model = Album
-            fields = ('album_name', 'artist', 'tracks')
+            fields = ['album_name', 'artist', 'tracks']
 
         def create(self, validated_data):
             tracks_data = validated_data.pop('tracks')
@@ -354,7 +355,7 @@ For example, we could define a relational field to serialize a track to a custom
 
         class Meta:
             model = Album
-            fields = ('album_name', 'artist', 'tracks')
+            fields = ['album_name', 'artist', 'tracks']
 
 This custom field would then serialize to the following representation.
 
@@ -384,7 +385,7 @@ The `get_url` method is used to map the object instance to its URL representatio
 May raise a `NoReverseMatch` if the `view_name` and `lookup_field`
 attributes are not configured to correctly match the URL conf.
 
-**get_object(self, queryset, view_name, view_args, view_kwargs)**
+**get_object(self, view_name, view_args, view_kwargs)**
 
 If you want to support a writable hyperlinked field then you'll also want to override `get_object`, in order to map incoming URLs back to the object they represent. For read-only hyperlinked fields there is no need to override this method.
 
@@ -479,7 +480,7 @@ Note that reverse relationships are not automatically included by the `ModelSeri
 
     class AlbumSerializer(serializers.ModelSerializer):
         class Meta:
-            fields = ('tracks', ...)
+            fields = ['tracks', ...]
 
 You'll normally want to ensure that you've set an appropriate `related_name` argument on the relationship, that you can use as the field name.  For example:
 
@@ -491,7 +492,7 @@ If you have not set a related name for the reverse relationship, you'll need to
 
     class AlbumSerializer(serializers.ModelSerializer):
         class Meta:
-            fields = ('track_set', ...)
+            fields = ['track_set', ...]
 
 See the Django documentation on [reverse relationships][reverse-relationships] for more details.
 
@@ -512,7 +513,7 @@ For example, given the following model for a tag, which has a generic relationsh
         object_id = models.PositiveIntegerField()
         tagged_object = GenericForeignKey('content_type', 'object_id')
 
-        def __unicode__(self):
+        def __str__(self):
             return self.tag_name
 
 And the following two models, which may have associated tags:
@@ -578,6 +579,8 @@ If you explicitly specify a relational field pointing to a
 ``ManyToManyField`` with a through model, be sure to set ``read_only``
 to ``True``.
 
+If you wish to represent [extra fields on a through model][django-intermediary-manytomany] then you may serialize the through model as [a nested object][dealing-with-nested-objects].
+
 ---
 
 # Third Party Packages
@@ -592,10 +595,11 @@ The [drf-nested-routers package][drf-nested-routers] provides routers and relati
 
 The [rest-framework-generic-relations][drf-nested-relations] library provides read/write serialization for generic foreign keys.
 
-[cite]: http://lwn.net/Articles/193245/
+[cite]: http://users.ece.utexas.edu/~adnan/pike.html
 [reverse-relationships]: https://docs.djangoproject.com/en/stable/topics/db/queries/#following-relationships-backward
-[routers]: http://www.django-rest-framework.org/api-guide/routers#defaultrouter
+[routers]: https://www.django-rest-framework.org/api-guide/routers#defaultrouter
 [generic-relations]: https://docs.djangoproject.com/en/stable/ref/contrib/contenttypes/#id1
-[2.2-announcement]: ../topics/2.2-announcement.md
 [drf-nested-routers]: https://github.com/alanjds/drf-nested-routers
 [drf-nested-relations]: https://github.com/Ian-Foote/rest-framework-generic-relations
+[django-intermediary-manytomany]: https://docs.djangoproject.com/en/2.2/topics/db/models/#intermediary-manytomany
+[dealing-with-nested-objects]: https://www.django-rest-framework.org/api-guide/serializers/#dealing-with-nested-objects
diff --git a/docs/api-guide/renderers.md b/docs/api-guide/renderers.md
index 236504850..a3321e860 100644
--- a/docs/api-guide/renderers.md
+++ b/docs/api-guide/renderers.md
@@ -1,4 +1,7 @@
-source: renderers.py
+---
+source:
+    - renderers.py
+---
 
 # Renderers
 
@@ -21,10 +24,10 @@ For more information see the documentation on [content negotiation][conneg].
 The default set of renderers may be set globally, using the `DEFAULT_RENDERER_CLASSES` setting.  For example, the following settings would use `JSON` as the main media type and also include the self describing API.
 
     REST_FRAMEWORK = {
-        'DEFAULT_RENDERER_CLASSES': (
+        'DEFAULT_RENDERER_CLASSES': [
             'rest_framework.renderers.JSONRenderer',
             'rest_framework.renderers.BrowsableAPIRenderer',
-        )
+        ]
     }
 
 You can also set the renderers used for an individual view, or viewset,
@@ -39,7 +42,7 @@ using the `APIView` class-based views.
         """
         A view that returns the count of active users in JSON.
         """
-        renderer_classes = (JSONRenderer, )
+        renderer_classes = [JSONRenderer]
 
         def get(self, request, format=None):
             user_count = User.objects.filter(active=True).count()
@@ -49,7 +52,7 @@ using the `APIView` class-based views.
 Or, if you're using the `@api_view` decorator with function based views.
 
     @api_view(['GET'])
-    @renderer_classes((JSONRenderer,))
+    @renderer_classes([JSONRenderer])
     def user_count_view(request, format=None):
         """
         A view that returns the count of active users in JSON.
@@ -89,7 +92,7 @@ The default JSON encoding style can be altered using the `UNICODE_JSON` and `COM
 
 **.media_type**: `application/json`
 
-**.format**: `'.json'`
+**.format**: `'json'`
 
 **.charset**: `None`
 
@@ -113,7 +116,7 @@ An example of a view that uses `TemplateHTMLRenderer`:
         A view that returns a templated HTML representation of a given user.
         """
         queryset = User.objects.all()
-        renderer_classes = (TemplateHTMLRenderer,)
+        renderer_classes = [TemplateHTMLRenderer]
 
         def get(self, request, *args, **kwargs):
             self.object = self.get_object()
@@ -127,7 +130,7 @@ See the [_HTML & Forms_ Topic Page][html-and-forms] for further examples of `Tem
 
 **.media_type**: `text/html`
 
-**.format**: `'.html'`
+**.format**: `'html'`
 
 **.charset**: `utf-8`
 
@@ -139,8 +142,8 @@ A simple renderer that simply returns pre-rendered HTML.  Unlike other renderers
 
 An example of a view that uses `StaticHTMLRenderer`:
 
-    @api_view(('GET',))
-    @renderer_classes((StaticHTMLRenderer,))
+    @api_view(['GET'])
+    @renderer_classes([StaticHTMLRenderer])
     def simple_html_view(request):
         data = '<html><body><h1>Hello, world</h1></body></html>'
         return Response(data)
@@ -149,7 +152,7 @@ You can use `StaticHTMLRenderer` either to return regular HTML pages using REST
 
 **.media_type**: `text/html`
 
-**.format**: `'.html'`
+**.format**: `'html'`
 
 **.charset**: `utf-8`
 
@@ -165,7 +168,7 @@ This renderer will determine which other renderer would have been given highest
 
 **.media_type**: `text/html`
 
-**.format**: `'.api'`
+**.format**: `'api'`
 
 **.charset**: `utf-8`
 
@@ -200,7 +203,7 @@ Note that views that have nested or list serializers for their input won't work
 
 **.media_type**: `text/html`
 
-**.format**: `'.admin'`
+**.format**: `'admin'`
 
 **.charset**: `utf-8`
 
@@ -224,7 +227,7 @@ For more information see the [HTML & Forms][html-and-forms] documentation.
 
 **.media_type**: `text/html`
 
-**.format**: `'.form'`
+**.format**: `'form'`
 
 **.charset**: `utf-8`
 
@@ -236,7 +239,7 @@ This renderer is used for rendering HTML multipart form data.  **It is not suita
 
 **.media_type**: `multipart/form-data; boundary=BoUnDaRyStRiNg`
 
-**.format**: `'.multipart'`
+**.format**: `'multipart'`
 
 **.charset**: `utf-8`
 
@@ -325,8 +328,8 @@ In some cases you might want your view to use different serialization styles dep
 
 For example:
 
-    @api_view(('GET',))
-    @renderer_classes((TemplateHTMLRenderer, JSONRenderer))
+    @api_view(['GET'])
+    @renderer_classes([TemplateHTMLRenderer, JSONRenderer])
     def list_users(request):
         """
         A view that can return JSON or HTML representations
@@ -398,12 +401,12 @@ Install using pip.
 Modify your REST framework settings.
 
     REST_FRAMEWORK = {
-        'DEFAULT_PARSER_CLASSES': (
+        'DEFAULT_PARSER_CLASSES': [
             'rest_framework_yaml.parsers.YAMLParser',
-        ),
-        'DEFAULT_RENDERER_CLASSES': (
+        ],
+        'DEFAULT_RENDERER_CLASSES': [
             'rest_framework_yaml.renderers.YAMLRenderer',
-        ),
+        ],
     }
 
 ## XML
@@ -419,12 +422,12 @@ Install using pip.
 Modify your REST framework settings.
 
     REST_FRAMEWORK = {
-        'DEFAULT_PARSER_CLASSES': (
+        'DEFAULT_PARSER_CLASSES': [
             'rest_framework_xml.parsers.XMLParser',
-        ),
-        'DEFAULT_RENDERER_CLASSES': (
+        ],
+        'DEFAULT_RENDERER_CLASSES': [
             'rest_framework_xml.renderers.XMLRenderer',
-        ),
+        ],
     }
 
 ## JSONP
@@ -448,15 +451,52 @@ Install using pip.
 Modify your REST framework settings.
 
     REST_FRAMEWORK = {
-        'DEFAULT_RENDERER_CLASSES': (
+        'DEFAULT_RENDERER_CLASSES': [
             'rest_framework_jsonp.renderers.JSONPRenderer',
-        ),
+        ],
     }
 
 ## MessagePack
 
 [MessagePack][messagepack] is a fast, efficient binary serialization format.  [Juan Riaza][juanriaza] maintains the [djangorestframework-msgpack][djangorestframework-msgpack] package which provides MessagePack renderer and parser support for REST framework.
 
+## XLSX (Binary Spreadsheet Endpoints)
+
+XLSX is the world's most popular binary spreadsheet format. [Tim Allen][flipperpa] of [The Wharton School][wharton] maintains [drf-renderer-xlsx][drf-renderer-xlsx], which renders an endpoint as an XLSX spreadsheet using OpenPyXL, and allows the client to download it. Spreadsheets can be styled on a per-view basis.
+
+#### Installation & configuration
+
+Install using pip.
+
+    $ pip install drf-renderer-xlsx
+
+Modify your REST framework settings.
+
+    REST_FRAMEWORK = {
+        ...
+
+        'DEFAULT_RENDERER_CLASSES': [
+            'rest_framework.renderers.JSONRenderer',
+            'rest_framework.renderers.BrowsableAPIRenderer',
+            'drf_renderer_xlsx.renderers.XLSXRenderer',
+        ],
+    }
+
+To avoid having a file streamed without a filename (which the browser will often default to the filename "download", with no extension), we need to use a mixin to override the `Content-Disposition` header. If no filename is provided, it will default to `export.xlsx`. For example:
+
+    from rest_framework.viewsets import ReadOnlyModelViewSet
+    from drf_renderer_xlsx.mixins import XLSXFileMixin
+    from drf_renderer_xlsx.renderers import XLSXRenderer
+
+    from .models import MyExampleModel
+    from .serializers import MyExampleSerializer
+
+    class MyExampleViewSet(XLSXFileMixin, ReadOnlyModelViewSet):
+        queryset = MyExampleModel.objects.all()
+        serializer_class = MyExampleSerializer
+        renderer_classes = [XLSXRenderer]
+        filename = 'my_export.xlsx'
+
 ## CSV
 
 Comma-separated values are a plain-text tabular data format, that can be easily imported into spreadsheet applications. [Mjumbe Poe][mjumbewu] maintains the [djangorestframework-csv][djangorestframework-csv] package which provides CSV renderer support for REST framework.
@@ -484,22 +524,25 @@ Comma-separated values are a plain-text tabular data format, that can be easily
 [browser-accept-headers]: http://www.gethifi.com/blog/browser-rest-http-accept-headers
 [testing]: testing.md
 [HATEOAS]: http://timelessrepo.com/haters-gonna-hateoas
-[quote]: http://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven
-[application/vnd.github+json]: http://developer.github.com/v3/media/
+[quote]: https://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven
+[application/vnd.github+json]: https://developer.github.com/v3/media/
 [application/vnd.collection+json]: http://www.amundsen.com/media-types/collection/
 [django-error-views]: https://docs.djangoproject.com/en/stable/topics/http/views/#customizing-error-views
-[rest-framework-jsonp]: http://jpadilla.github.io/django-rest-framework-jsonp/
-[cors]: http://www.w3.org/TR/cors/
-[cors-docs]: http://www.django-rest-framework.org/topics/ajax-csrf-cors/
-[jsonp-security]: http://stackoverflow.com/questions/613962/is-jsonp-safe-to-use
-[rest-framework-yaml]: http://jpadilla.github.io/django-rest-framework-yaml/
-[rest-framework-xml]: http://jpadilla.github.io/django-rest-framework-xml/
-[messagepack]: http://msgpack.org/
+[rest-framework-jsonp]: https://jpadilla.github.io/django-rest-framework-jsonp/
+[cors]: https://www.w3.org/TR/cors/
+[cors-docs]: https://www.django-rest-framework.org/topics/ajax-csrf-cors/
+[jsonp-security]: https://stackoverflow.com/questions/613962/is-jsonp-safe-to-use
+[rest-framework-yaml]: https://jpadilla.github.io/django-rest-framework-yaml/
+[rest-framework-xml]: https://jpadilla.github.io/django-rest-framework-xml/
+[messagepack]: https://msgpack.org/
 [juanriaza]: https://github.com/juanriaza
 [mjumbewu]: https://github.com/mjumbewu
+[flipperpa]: https://github.com/flipperpa
+[wharton]: https://github.com/wharton
+[drf-renderer-xlsx]: https://github.com/wharton/drf-renderer-xlsx
 [vbabiy]: https://github.com/vbabiy
-[rest-framework-yaml]: http://jpadilla.github.io/django-rest-framework-yaml/
-[rest-framework-xml]: http://jpadilla.github.io/django-rest-framework-xml/
+[rest-framework-yaml]: https://jpadilla.github.io/django-rest-framework-yaml/
+[rest-framework-xml]: https://jpadilla.github.io/django-rest-framework-xml/
 [yaml]: http://www.yaml.org/
 [djangorestframework-msgpack]: https://github.com/juanriaza/django-rest-framework-msgpack
 [djangorestframework-csv]: https://github.com/mjumbewu/django-rest-framework-csv
@@ -508,7 +551,7 @@ Comma-separated values are a plain-text tabular data format, that can be easily
 [drf-ujson-renderer]: https://github.com/gizmag/drf-ujson-renderer
 [djangorestframework-camel-case]: https://github.com/vbabiy/djangorestframework-camel-case
 [Django REST Pandas]: https://github.com/wq/django-rest-pandas
-[Pandas]: http://pandas.pydata.org/
+[Pandas]: https://pandas.pydata.org/
 [other formats]: https://github.com/wq/django-rest-pandas#supported-formats
 [sheppard]: https://github.com/sheppard
 [wq]: https://github.com/wq
diff --git a/docs/api-guide/requests.md b/docs/api-guide/requests.md
index 83a38d1c3..1c336953c 100644
--- a/docs/api-guide/requests.md
+++ b/docs/api-guide/requests.md
@@ -1,4 +1,7 @@
-source: request.py
+---
+source:
+    - request.py
+---
 
 # Requests
 
@@ -46,11 +49,11 @@ If a client sends a request with a content-type that cannot be parsed then a `Un
 
 # Content negotiation
 
-The request exposes some properties that allow you to determine the result of the content negotiation stage. This allows you to implement behaviour such as selecting a different serialisation schemes for different media types.
+The request exposes some properties that allow you to determine the result of the content negotiation stage. This allows you to implement behaviour such as selecting a different serialization schemes for different media types.
 
 ## .accepted_renderer
 
-The renderer instance what was selected by the content negotiation stage.
+The renderer instance that was selected by the content negotiation stage.
 
 ## .accepted_media_type
 
@@ -90,7 +93,7 @@ You won't typically need to access this property.
 
 ---
 
-**Note:** You may see a `WrappedAttributeError` raised when calling the `.user` or `.auth` properties. These errors originate from an authenticator as a standard `AttributeError`, however it's necessary that they be re-raised as a different exception type in order to prevent them from being suppressed by the outer property access. Python will not recognize that the `AttributeError` orginates from the authenticator and will instaed assume that the request object does not have a `.user` or `.auth` property. The authenticator will need to be fixed.
+**Note:** You may see a `WrappedAttributeError` raised when calling the `.user` or `.auth` properties. These errors originate from an authenticator as a standard `AttributeError`, however it's necessary that they be re-raised as a different exception type in order to prevent them from being suppressed by the outer property access. Python will not recognize that the `AttributeError` originates from the authenticator and will instead assume that the request object does not have a `.user` or `.auth` property. The authenticator will need to be fixed.
 
 ---
 
diff --git a/docs/api-guide/responses.md b/docs/api-guide/responses.md
index e9c2d41f1..dbdc8ff2c 100644
--- a/docs/api-guide/responses.md
+++ b/docs/api-guide/responses.md
@@ -1,4 +1,7 @@
-source: response.py
+---
+source:
+    - response.py
+---
 
 # Responses
 
@@ -91,5 +94,5 @@ As with any other `TemplateResponse`, this method is called to render the serial
 
 You won't typically need to call `.render()` yourself, as it's handled by Django's standard response cycle.
 
-[cite]: https://docs.djangoproject.com/en/stable/stable/template-response/
+[cite]: https://docs.djangoproject.com/en/stable/ref/template-response/
 [statuscodes]: status-codes.md
diff --git a/docs/api-guide/reverse.md b/docs/api-guide/reverse.md
index ee0b2054f..70df42b8f 100644
--- a/docs/api-guide/reverse.md
+++ b/docs/api-guide/reverse.md
@@ -1,4 +1,7 @@
-source: reverse.py
+---
+source:
+    - reverse.py
+---
 
 # Returning URLs
 
@@ -50,6 +53,6 @@ As with the `reverse` function, you should **include the request as a keyword ar
 
     api_root = reverse_lazy('api-root', request=request)
 
-[cite]: http://www.ics.uci.edu/~fielding/pubs/dissertation/rest_arch_style.htm#sec_5_1_5
+[cite]: https://www.ics.uci.edu/~fielding/pubs/dissertation/rest_arch_style.htm#sec_5_1_5
 [reverse]: https://docs.djangoproject.com/en/stable/topics/http/urls/#reverse
 [reverse-lazy]: https://docs.djangoproject.com/en/stable/topics/http/urls/#reverse-lazy
diff --git a/docs/api-guide/routers.md b/docs/api-guide/routers.md
index 84ca82a3f..5f6802222 100644
--- a/docs/api-guide/routers.md
+++ b/docs/api-guide/routers.md
@@ -1,4 +1,7 @@
-source: routers.py
+---
+source:
+    - routers.py
+---
 
 # Routers
 
@@ -28,7 +31,7 @@ There are two mandatory arguments to the `register()` method:
 
 Optionally, you may also specify an additional argument:
 
-* `base_name` - The base to use for the URL names that are created.  If unset the basename will be automatically generated based on the `queryset` attribute of the viewset, if it has one.  Note that if the viewset does not include a `queryset` attribute then you must set `base_name` when registering the viewset.
+* `basename` - The base to use for the URL names that are created.  If unset the basename will be automatically generated based on the `queryset` attribute of the viewset, if it has one.  Note that if the viewset does not include a `queryset` attribute then you must set `basename` when registering the viewset.
 
 The example above would generate the following URL patterns:
 
@@ -39,13 +42,13 @@ The example above would generate the following URL patterns:
 
 ---
 
-**Note**: The `base_name` argument is used to specify the initial part of the view name pattern.  In the example above, that's the `user` or `account` part.
+**Note**: The `basename` argument is used to specify the initial part of the view name pattern.  In the example above, that's the `user` or `account` part.
 
-Typically you won't *need* to specify the `base_name` argument, but if you have a viewset where you've defined a custom `get_queryset` method, then the viewset may not have a `.queryset` attribute set.  If you try to register that viewset you'll see an error like this:
+Typically you won't *need* to specify the `basename` argument, but if you have a viewset where you've defined a custom `get_queryset` method, then the viewset may not have a `.queryset` attribute set.  If you try to register that viewset you'll see an error like this:
 
-    'base_name' argument not specified, and could not automatically determine the name from the viewset, as it does not have a '.queryset' attribute.
+    'basename' argument not specified, and could not automatically determine the name from the viewset, as it does not have a '.queryset' attribute.
 
-This means you'll need to explicitly set the `base_name` argument when registering the viewset, as it could not be automatically determined from the model name.
+This means you'll need to explicitly set the `basename` argument when registering the viewset, as it could not be automatically determined from the model name.
 
 ---
 
@@ -53,7 +56,7 @@ This means you'll need to explicitly set the `base_name` argument when registeri
 
 The `.urls` attribute on a router instance is simply a standard list of URL patterns. There are a number of different styles for how you can include these URLs.
 
-For example, you can append `router.urls` to a list of existing views…
+For example, you can append `router.urls` to a list of existing views...
 
     router = routers.SimpleRouter()
     router.register(r'users', UserViewSet)
@@ -65,97 +68,96 @@ For example, you can append `router.urls` to a list of existing views…
 
     urlpatterns += router.urls
 
-Alternatively you can use Django's `include` function, like so…
+Alternatively you can use Django's `include` function, like so...
 
     urlpatterns = [
         url(r'^forgot-password/$', ForgotPasswordFormView.as_view()),
         url(r'^', include(router.urls)),
     ]
 
-Router URL patterns can also be namespaces.
+You may use `include` with an application namespace:
 
     urlpatterns = [
         url(r'^forgot-password/$', ForgotPasswordFormView.as_view()),
-        url(r'^api/', include(router.urls, namespace='api')),
+        url(r'^api/', include((router.urls, 'app_name'))),
     ]
 
-If using namespacing with hyperlinked serializers you'll also need to ensure that any `view_name` parameters on the serializers correctly reflect the namespace. In the example above you'd need to include a parameter such as `view_name='api:user-detail'` for serializer fields hyperlinked to the user detail view.
+Or both an application and instance namespace:
 
-### Extra link and actions
+    urlpatterns = [
+        url(r'^forgot-password/$', ForgotPasswordFormView.as_view()),
+        url(r'^api/', include((router.urls, 'app_name'), namespace='instance_name')),
+    ]
 
-Any methods on the viewset decorated with `@detail_route` or `@list_route` will also be routed.
-For example, given a method like this on the `UserViewSet` class:
+See Django's [URL namespaces docs][url-namespace-docs] and the [`include` API reference][include-api-reference] for more details.
+
+---
+
+**Note**: If using namespacing with hyperlinked serializers you'll also need to ensure that any `view_name` parameters
+on the serializers correctly reflect the namespace. In the examples above you'd need to include a parameter such as
+`view_name='app_name:user-detail'` for serializer fields hyperlinked to the user detail view.
+
+The automatic `view_name` generation uses a pattern like `%(model_name)-detail`. Unless your models names actually clash
+you may be better off **not** namespacing your Django REST Framework views when using hyperlinked serializers.
+
+---
+
+### Routing for extra actions
+
+A viewset may [mark extra actions for routing][route-decorators] by decorating a method with the `@action` decorator. These extra actions will be included in the generated routes. For example, given the `set_password` method on the `UserViewSet` class:
 
     from myapp.permissions import IsAdminOrIsSelf
-    from rest_framework.decorators import detail_route
+    from rest_framework.decorators import action
 
     class UserViewSet(ModelViewSet):
         ...
 
-        @detail_route(methods=['post'], permission_classes=[IsAdminOrIsSelf])
+        @action(methods=['post'], detail=True, permission_classes=[IsAdminOrIsSelf])
         def set_password(self, request, pk=None):
             ...
 
-The following URL pattern would additionally be generated:
+The following route would be generated:
 
-* URL pattern: `^users/{pk}/set_password/$`  Name: `'user-set-password'`
+* URL pattern: `^users/{pk}/set_password/$`
+* URL name: `'user-set-password'`
 
-If you do not want to use the default URL generated for your custom action, you can instead use the url_path parameter to customize it.
+By default, the URL pattern is based on the method name, and the URL name is the combination of the `ViewSet.basename` and the hyphenated method name.
+If you don't want to use the defaults for either of these values, you can instead provide the `url_path` and `url_name` arguments to the `@action` decorator.
 
 For example, if you want to change the URL for our custom action to `^users/{pk}/change-password/$`, you could write:
 
     from myapp.permissions import IsAdminOrIsSelf
-    from rest_framework.decorators import detail_route
+    from rest_framework.decorators import action
 
     class UserViewSet(ModelViewSet):
         ...
 
-        @detail_route(methods=['post'], permission_classes=[IsAdminOrIsSelf], url_path='change-password')
+        @action(methods=['post'], detail=True, permission_classes=[IsAdminOrIsSelf],
+                url_path='change-password', url_name='change_password')
         def set_password(self, request, pk=None):
             ...
 
 The above example would now generate the following URL pattern:
 
-* URL pattern: `^users/{pk}/change-password/$`  Name: `'user-change-password'`
-
-In the case you do not want to use the default name generated for your custom action, you can use the url_name parameter to customize it.
-
-For example, if you want to change the name of our custom action to `'user-change-password'`, you could write:
-
-    from myapp.permissions import IsAdminOrIsSelf
-    from rest_framework.decorators import detail_route
-
-    class UserViewSet(ModelViewSet):
-        ...
-
-        @detail_route(methods=['post'], permission_classes=[IsAdminOrIsSelf], url_name='change-password')
-        def set_password(self, request, pk=None):
-            ...
-
-The above example would now generate the following URL pattern:
-
-* URL pattern: `^users/{pk}/set_password/$`  Name: `'user-change-password'`
-
-You can also use url_path and url_name parameters together to obtain extra control on URL generation for custom views.
-
-For more information see the viewset documentation on [marking extra actions for routing][route-decorators].
+* URL path: `^users/{pk}/change-password/$`
+* URL name: `'user-change_password'`
 
 # API Guide
 
 ## SimpleRouter
 
-This router includes routes for the standard set of `list`, `create`, `retrieve`, `update`, `partial_update` and `destroy` actions.  The viewset can also mark additional methods to be routed, using the `@detail_route` or `@list_route` decorators.
+This router includes routes for the standard set of `list`, `create`, `retrieve`, `update`, `partial_update` and `destroy` actions.  The viewset can also mark additional methods to be routed, using the `@action` decorator.
 
 <table border=1>
     <tr><th>URL Style</th><th>HTTP Method</th><th>Action</th><th>URL Name</th></tr>
     <tr><td rowspan=2>{prefix}/</td><td>GET</td><td>list</td><td rowspan=2>{basename}-list</td></tr></tr>
     <tr><td>POST</td><td>create</td></tr>
-    <tr><td>{prefix}/{methodname}/</td><td>GET, or as specified by `methods` argument</td><td>`@list_route` decorated method</td><td>{basename}-{methodname}</td></tr>
+    <tr><td>{prefix}/{url_path}/</td><td>GET, or as specified by `methods` argument</td><td>`@action(detail=False)` decorated method</td><td>{basename}-{url_name}</td></tr>
     <tr><td rowspan=4>{prefix}/{lookup}/</td><td>GET</td><td>retrieve</td><td rowspan=4>{basename}-detail</td></tr></tr>
     <tr><td>PUT</td><td>update</td></tr>
     <tr><td>PATCH</td><td>partial_update</td></tr>
     <tr><td>DELETE</td><td>destroy</td></tr>
-    <tr><td>{prefix}/{lookup}/{methodname}/</td><td>GET, or as specified by `methods` argument</td><td>`@detail_route` decorated method</td><td>{basename}-{methodname}</td></tr>
+    <tr><td>{prefix}/{lookup}/{url_path}/</td><td>GET, or as specified by `methods` argument</td><td>`@action(detail=True)` decorated method</td><td>{basename}-{url_name}</td></tr>
 </table>
 
 By default the URLs created by `SimpleRouter` are appended with a trailing slash.
@@ -180,12 +182,12 @@ This router is similar to `SimpleRouter` as above, but additionally includes a d
     <tr><td>[.format]</td><td>GET</td><td>automatically generated root view</td><td>api-root</td></tr></tr>
     <tr><td rowspan=2>{prefix}/[.format]</td><td>GET</td><td>list</td><td rowspan=2>{basename}-list</td></tr></tr>
     <tr><td>POST</td><td>create</td></tr>
-    <tr><td>{prefix}/{methodname}/[.format]</td><td>GET, or as specified by `methods` argument</td><td>`@list_route` decorated method</td><td>{basename}-{methodname}</td></tr>
+    <tr><td>{prefix}/{url_path}/[.format]</td><td>GET, or as specified by `methods` argument</td><td>`@action(detail=False)` decorated method</td><td>{basename}-{url_name}</td></tr>
     <tr><td rowspan=4>{prefix}/{lookup}/[.format]</td><td>GET</td><td>retrieve</td><td rowspan=4>{basename}-detail</td></tr></tr>
     <tr><td>PUT</td><td>update</td></tr>
     <tr><td>PATCH</td><td>partial_update</td></tr>
     <tr><td>DELETE</td><td>destroy</td></tr>
-    <tr><td>{prefix}/{lookup}/{methodname}/[.format]</td><td>GET, or as specified by `methods` argument</td><td>`@detail_route` decorated method</td><td>{basename}-{methodname}</td></tr>
+    <tr><td>{prefix}/{lookup}/{url_path}/[.format]</td><td>GET, or as specified by `methods` argument</td><td>`@action(detail=True)` decorated method</td><td>{basename}-{url_name}</td></tr>
 </table>
 
 As with `SimpleRouter` the trailing slashes on the URL routes can be removed by setting the `trailing_slash` argument to `False` when instantiating the router.
@@ -212,18 +214,18 @@ The arguments to the `Route` named tuple are:
 
 * `{basename}` - The base to use for the URL names that are created.
 
-**initkwargs**: A dictionary of any additional arguments that should be passed when instantiating the view.  Note that the `suffix` argument is reserved for identifying the viewset type, used when generating the view name and breadcrumb links.
+**initkwargs**: A dictionary of any additional arguments that should be passed when instantiating the view.  Note that the `detail`, `basename`, and `suffix` arguments are reserved for viewset introspection and are also used by the browsable API to generate the view name and breadcrumb links.
 
 ## Customizing dynamic routes
 
-You can also customize how the `@list_route` and `@detail_route` decorators are routed.
-To route either or both of these decorators, include a `DynamicListRoute` and/or `DynamicDetailRoute` named tuple in the `.routes` list.
+You can also customize how the `@action` decorator is routed. Include the `DynamicRoute` named tuple in the `.routes` list, setting the `detail` argument as appropriate for the list-based and detail-based routes. In addition to `detail`, the arguments to `DynamicRoute` are:
 
-The arguments to `DynamicListRoute` and `DynamicDetailRoute` are:
+**url**: A string representing the URL to be routed. May include the same format strings as `Route`, and additionally accepts the `{url_path}` format string.
 
-**url**: A string representing the URL to be routed. May include the same format strings as `Route`, and additionally accepts the `{methodname}` and `{methodnamehyphen}` format strings.
+**name**: The name of the URL as used in `reverse` calls. May include the following format strings:
 
-**name**: The name of the URL as used in `reverse` calls. May include the following format strings: `{basename}`, `{methodname}` and `{methodnamehyphen}`.
+* `{basename}` - The base to use for the URL names that are created.
+* `{url_name}` - The `url_name` provided to the `@action`.
 
 **initkwargs**: A dictionary of any additional arguments that should be passed when instantiating the view.
 
@@ -231,7 +233,7 @@ The arguments to `DynamicListRoute` and `DynamicDetailRoute` are:
 
 The following example will only route to the `list` and `retrieve` actions, and does not use the trailing slash convention.
 
-    from rest_framework.routers import Route, DynamicDetailRoute, SimpleRouter
+    from rest_framework.routers import Route, DynamicRoute, SimpleRouter
 
     class CustomReadOnlyRouter(SimpleRouter):
         """
@@ -239,22 +241,25 @@ The following example will only route to the `list` and `retrieve` actions, and
         """
         routes = [
             Route(
-            	url=r'^{prefix}$',
-            	mapping={'get': 'list'},
-            	name='{basename}-list',
-            	initkwargs={'suffix': 'List'}
+                url=r'^{prefix}$',
+                mapping={'get': 'list'},
+                name='{basename}-list',
+                detail=False,
+                initkwargs={'suffix': 'List'}
             ),
             Route(
-            	url=r'^{prefix}/{lookup}$',
+                url=r'^{prefix}/{lookup}$',
                 mapping={'get': 'retrieve'},
                 name='{basename}-detail',
+                detail=True,
                 initkwargs={'suffix': 'Detail'}
             ),
-            DynamicDetailRoute(
-            	url=r'^{prefix}/{lookup}/{methodnamehyphen}$',
-            	name='{basename}-{methodnamehyphen}',
-            	initkwargs={}
-        	)
+            DynamicRoute(
+                url=r'^{prefix}/{lookup}/{url_path}$',
+                name='{basename}-{url_name}',
+                detail=True,
+                initkwargs={}
+            )
         ]
 
 Let's take a look at the routes our `CustomReadOnlyRouter` would generate for a simple viewset.
@@ -269,7 +274,7 @@ Let's take a look at the routes our `CustomReadOnlyRouter` would generate for a
         serializer_class = UserSerializer
         lookup_field = 'username'
 
-        @detail_route()
+        @action(detail=True)
         def group_names(self, request, pk=None):
             """
             Returns a list of all the group names that the given
@@ -283,7 +288,7 @@ Let's take a look at the routes our `CustomReadOnlyRouter` would generate for a
 
     router = CustomReadOnlyRouter()
     router.register('users', UserViewSet)
-	urlpatterns = router.urls
+    urlpatterns = router.urls
 
 The following mappings would be generated...
 
@@ -291,7 +296,7 @@ The following mappings would be generated...
     <tr><th>URL</th><th>HTTP Method</th><th>Action</th><th>URL Name</th></tr>
     <tr><td>/users</td><td>GET</td><td>list</td><td>user-list</td></tr>
     <tr><td>/users/{username}</td><td>GET</td><td>retrieve</td><td>user-detail</td></tr>
-    <tr><td>/users/{username}/group-names</td><td>GET</td><td>group_names</td><td>user-group-names</td></tr>
+    <tr><td>/users/{username}/group_names</td><td>GET</td><td>group_names</td><td>user-group-names</td></tr>
 </table>
 
 For another example of setting the `.routes` attribute, see the source code for the `SimpleRouter` class.
@@ -300,7 +305,7 @@ For another example of setting the `.routes` attribute, see the source code for
 
 If you want to provide totally custom behavior, you can override `BaseRouter` and override the `get_urls(self)` method.  The method should inspect the registered viewsets and return a list of URL patterns.  The registered prefix, viewset and basename tuples may be inspected by accessing the `self.registry` attribute.
 
-You may also want to override the `get_default_base_name(self, viewset)` method, or else always explicitly set the `base_name` argument when registering your viewsets with the router.
+You may also want to override the `get_default_basename(self, viewset)` method, or else always explicitly set the `basename` argument when registering your viewsets with the router.
 
 # Third Party Packages
 
@@ -323,13 +328,15 @@ The [wq.db package][wq.db] provides an advanced [ModelRouter][wq.db-router] clas
 
 The [`DRF-extensions` package][drf-extensions] provides [routers][drf-extensions-routers] for creating [nested viewsets][drf-extensions-nested-viewsets], [collection level controllers][drf-extensions-collection-level-controllers] with [customizable endpoint names][drf-extensions-customizable-endpoint-names].
 
-[cite]: http://guides.rubyonrails.org/routing.html
+[cite]: https://guides.rubyonrails.org/routing.html
 [route-decorators]: viewsets.md#marking-extra-actions-for-routing
 [drf-nested-routers]: https://github.com/alanjds/drf-nested-routers
-[wq.db]: http://wq.io/wq.db
-[wq.db-router]: http://wq.io/docs/router
-[drf-extensions]: http://chibisov.github.io/drf-extensions/docs/
-[drf-extensions-routers]: http://chibisov.github.io/drf-extensions/docs/#routers
-[drf-extensions-nested-viewsets]: http://chibisov.github.io/drf-extensions/docs/#nested-routes
-[drf-extensions-collection-level-controllers]: http://chibisov.github.io/drf-extensions/docs/#collection-level-controllers
-[drf-extensions-customizable-endpoint-names]: http://chibisov.github.io/drf-extensions/docs/#controller-endpoint-name
+[wq.db]: https://wq.io/wq.db
+[wq.db-router]: https://wq.io/docs/router
+[drf-extensions]: https://chibisov.github.io/drf-extensions/docs/
+[drf-extensions-routers]: https://chibisov.github.io/drf-extensions/docs/#routers
+[drf-extensions-nested-viewsets]: https://chibisov.github.io/drf-extensions/docs/#nested-routes
+[drf-extensions-collection-level-controllers]: https://chibisov.github.io/drf-extensions/docs/#collection-level-controllers
+[drf-extensions-customizable-endpoint-names]: https://chibisov.github.io/drf-extensions/docs/#controller-endpoint-name
+[url-namespace-docs]: https://docs.djangoproject.com/en/1.11/topics/http/urls/#url-namespaces
+[include-api-reference]: https://docs.djangoproject.com/en/2.0/ref/urls/#include
diff --git a/docs/api-guide/schemas.md b/docs/api-guide/schemas.md
index 9234212ea..e33a2a611 100644
--- a/docs/api-guide/schemas.md
+++ b/docs/api-guide/schemas.md
@@ -1,6 +1,9 @@
-source: schemas.py
+---
+source:
+    - schemas
+---
 
-# Schemas
+# Schema
 
 > A machine-readable [schema] describes what resources are available via the API, what their URLs are, how they are represented and what operations they support.
 >
@@ -10,814 +13,208 @@ API schemas are a useful tool that allow for a range of use cases, including
 generating reference documentation, or driving dynamic client libraries that
 can interact with your API.
 
-## Install Core API
+Django REST Framework provides support for automatic generation of
+[OpenAPI][openapi] schemas.
 
-You'll need to install the `coreapi` package in order to add schema support
-for REST framework.
+## Generating an OpenAPI Schema
 
-    pip install coreapi
+### Install `pyyaml`
 
-## Internal schema representation
+You'll need to install `pyyaml`, so that you can render your generated schema
+into the commonly used YAML-based OpenAPI format.
 
-REST framework uses [Core API][coreapi] in order to model schema information in
-a format-independent representation. This information can then be rendered
-into various different schema formats, or used to generate API documentation.
+    pip install pyyaml
 
-When using Core API, a schema is represented as a `Document` which is the
-top-level container object for information about the API. Available API
-interactions are represented using `Link` objects. Each link includes a URL,
-HTTP method, and may include a list of `Field` instances, which describe any
-parameters that may be accepted by the API endpoint. The `Link` and `Field`
-instances may also include descriptions, that allow an API schema to be
-rendered into user documentation.
+### Generating a static schema with the `generateschema` management command
 
-Here's an example of an API description that includes a single `search`
-endpoint:
+If your schema is static, you can use the `generateschema` management command:
 
-    coreapi.Document(
-        title='Flight Search API',
-        url='https://api.example.org/',
-        content={
-            'search': coreapi.Link(
-                url='/search/',
-                action='get',
-                fields=[
-                    coreapi.Field(
-                        name='from',
-                        required=True,
-                        location='query',
-                        description='City name or airport code.'
-                    ),
-                    coreapi.Field(
-                        name='to',
-                        required=True,
-                        location='query',
-                        description='City name or airport code.'
-                    ),
-                    coreapi.Field(
-                        name='date',
-                        required=True,
-                        location='query',
-                        description='Flight date in "YYYY-MM-DD" format.'
-                    )
-                ],
-                description='Return flight availability and prices.'
-            )
-        }
-    )
+```bash
+./manage.py generateschema > openapi-schema.yml
+```
 
-## Schema output formats
+Once you've generated a schema in this way you can annotate it with any
+additional information that cannot be automatically inferred by the schema
+generator.
 
-In order to be presented in an HTTP response, the internal representation
-has to be rendered into the actual bytes that are used in the response.
+You might want to check your API schema into version control and update it
+with each new release, or serve the API schema from your site's static media.
 
-[Core JSON][corejson] is designed as a canonical format for use with Core API.
-REST framework includes a renderer class for handling this media type, which
-is available as `renderers.CoreJSONRenderer`.
+### Generating a dynamic schema with `SchemaView`
 
-### Alternate schema formats
+If you require a dynamic schema, because foreign key choices depend on database
+values, for example, you can route a `SchemaView` that will generate and serve
+your schema on demand.
 
-Other schema formats such as [Open API][open-api] ("Swagger"),
-[JSON HyperSchema][json-hyperschema], or [API Blueprint][api-blueprint] can also
-be supported by implementing a custom renderer class that handles converting a
-`Document` instance into a bytestring representation.
+To route a `SchemaView`, use the `get_schema_view()` helper.
 
-If there is a Core API codec package that supports encoding into the format you
-want to use then implementing the renderer class can be done by using the codec.
+In `urls.py`:
 
-#### Example
+```python
+from rest_framework.schemas import get_schema_view
 
-For example, the `openapi_codec` package provides support for encoding or decoding
-to the Open API ("Swagger") format:
+urlpatterns = [
+    # ...
+    # Use the `get_schema_view()` helper to add a `SchemaView` to project URLs.
+    #   * `title` and `description` parameters are passed to `SchemaGenerator`.
+    #   * Provide view name for use with `reverse()`.
+    path('openapi', get_schema_view(
+        title="Your Project",
+        description="API for all things …",
+        version="1.0.0"
+    ), name='openapi-schema'),
+    # ...
+]
+```
 
-    from rest_framework import renderers
-    from openapi_codec import OpenAPICodec
+#### `get_schema_view()`
 
-    class SwaggerRenderer(renderers.BaseRenderer):
-        media_type = 'application/openapi+json'
-        format = 'swagger'
+The `get_schema_view()` helper takes the following keyword arguments:
 
-        def render(self, data, media_type=None, renderer_context=None):
-            codec = OpenAPICodec()
-            return codec.dump(data)
+* `title`: May be used to provide a descriptive title for the schema definition.
+* `description`: Longer descriptive text.
+* `version`: The version of the API.
+* `url`: May be used to pass a canonical base URL for the schema.
 
+        schema_view = get_schema_view(
+            title='Server Monitoring API',
+            url='https://www.example.org/api/'
+        )
 
+* `urlconf`: A string representing the import path to the URL conf that you want
+   to generate an API schema for. This defaults to the value of Django's
+   `ROOT_URLCONF` setting.
 
+        schema_view = get_schema_view(
+            title='Server Monitoring API',
+            url='https://www.example.org/api/',
+            urlconf='myproject.urls'
+        )
 
-## Schemas vs Hypermedia
+* `patterns`: List of url patterns to limit the schema introspection to. If you
+  only want the `myproject.api` urls to be exposed in the schema:
 
-It's worth pointing out here that Core API can also be used to model hypermedia
-responses, which present an alternative interaction style to API schemas.
+        schema_url_patterns = [
+            url(r'^api/', include('myproject.api.urls')),
+        ]
 
-With an API schema, the entire available interface is presented up-front
-as a single endpoint. Responses to individual API endpoints are then typically
-presented as plain data, without any further interactions contained in each
-response.
+        schema_view = get_schema_view(
+            title='Server Monitoring API',
+            url='https://www.example.org/api/',
+            patterns=schema_url_patterns,
+        )
 
-With Hypermedia, the client is instead presented with a document containing
-both data and available interactions. Each interaction results in a new
-document, detailing both the current state and the available interactions.
+* `generator_class`: May be used to specify a `SchemaGenerator` subclass to be
+  passed to the `SchemaView`.
+* `authentication_classes`: May be used to specify the list of authentication
+  classes that will apply to the schema endpoint. Defaults to
+  `settings.DEFAULT_AUTHENTICATION_CLASSES`
+* `permission_classes`: May be used to specify the list of permission classes
+  that will apply to the schema endpoint. Defaults to
+  `settings.DEFAULT_PERMISSION_CLASSES`.
+* `renderer_classes`: May be used to pass the set of renderer classes that can
+  be used to render the API root endpoint.
 
-Further information and support on building Hypermedia APIs with REST framework
-is planned for a future version.
+## Customizing Schema Generation
 
+You may customize schema generation at the level of the schema as a whole, or
+on a per-view basis.
 
----
+### Schema Level Customization
 
-# Creating a schema
+In order to customize the top-level schema sublass
+`rest_framework.schemas.openapi.SchemaGenerator` and provide it as an argument
+to the `generateschema` command or `get_schema_view()` helper function.
 
-REST framework includes functionality for auto-generating a schema,
-or allows you to specify one explicitly.
+#### SchemaGenerator
 
-## Manual Schema Specification
+A class that walks a list of routed URL patterns, requests the schema for each
+view and collates the resulting OpenAPI schema.
 
-To manually specify a schema you create a Core API `Document`, similar to the
-example above.
+Typically you'll instantiate `SchemaGenerator` with a `title` argument, like so:
 
-    schema = coreapi.Document(
-        title='Flight Search API',
-        content={
-            ...
-        }
-    )
+    generator = SchemaGenerator(title='Stock Prices API')
 
+Arguments:
 
-## Automatic Schema Generation
+* `title` **required**: The name of the API.
+* `description`: Longer descriptive text.
+* `version`: The version of the API. Defaults to `0.1.0`.
+* `url`: The root URL of the API schema. This option is not required unless the schema is included under path prefix.
+* `patterns`: A list of URLs to inspect when generating the schema. Defaults to the project's URL conf.
+* `urlconf`: A URL conf module name to use when generating the schema. Defaults to `settings.ROOT_URLCONF`.
 
-Automatic schema generation is provided by the `SchemaGenerator` class.
+##### get_schema(self, request)
 
-`SchemaGenerator` processes a list of routed URL pattterns and compiles the
-appropriately structured Core API Document.
+Returns a dictionary that represents the OpenAPI schema:
 
-Basic usage is just to provide the title for your schema and call
-`get_schema()`:
-
-    generator = schemas.SchemaGenerator(title='Flight Search API')
+    generator = SchemaGenerator(title='Stock Prices API')
     schema = generator.get_schema()
 
-## Per-View Schema Customisation
+The `request` argument is optional, and may be used if you want to apply
+per-user permissions to the resulting schema generation.
+
+This is a good point to override if you want to customize the generated
+dictionary,  for example to add custom
+[specification extensions][openapi-specification-extensions].
+
+### Per-View Customization
 
 By default, view introspection is performed by an `AutoSchema` instance
 accessible via the `schema` attribute on `APIView`. This provides the
-appropriate Core API `Link` object for the view, request method and path:
+appropriate [Open API operation object][openapi-operation] for the view,
+request method and path:
 
     auto_schema = view.schema
-    coreapi_link = auto_schema.get_link(...)
+    operation = auto_schema.get_operation(...)
 
-(In compiling the schema, `SchemaGenerator` calls `view.schema.get_link()` for
-each view, allowed method and path.)
+In compiling the schema, `SchemaGenerator` calls `view.schema.get_operation()`
+for each view, allowed method, and path.
 
 ---
 
 **Note**: For basic `APIView` subclasses, default introspection is essentially
 limited to the URL kwarg path parameters. For `GenericAPIView`
 subclasses, which includes all the provided class based views, `AutoSchema` will
-attempt to introspect serialiser, pagination and filter fields, as well as
+attempt to introspect serializer, pagination and filter fields, as well as
 provide richer path field descriptions. (The key hooks here are the relevant
 `GenericAPIView` attributes and methods: `get_serializer`, `pagination_class`,
 `filter_backends` and so on.)
 
 ---
 
-To customise the `Link` generation you may:
-
-* Instantiate `AutoSchema` on your view with the `manual_fields` kwarg:
+In order to customize the operation generation, you should provide an `AutoSchema` subclass, overriding `get_operation()` as you need:
 
         from rest_framework.views import APIView
-        from rest_framework.schemas import AutoSchema
-
-        class CustomView(APIView):
-            ...
-            schema = AutoSchema(
-                manual_fields=[
-                    coreapi.Field("extra_field", ...),
-                ]
-            )
-
-    This allows extension for the most common case without subclassing.
-
-* Provide an `AutoSchema` subclass with more complex customisation:
-
-        from rest_framework.views import APIView
-        from rest_framework.schemas import AutoSchema
+        from rest_framework.schemas.openapi import AutoSchema
 
         class CustomSchema(AutoSchema):
-            def get_link(...):
+            def get_operation(...):
                 # Implement custom introspection here (or in other sub-methods)
 
         class CustomView(APIView):
-            ...
+            """APIView subclass with custom schema introspection."""
             schema = CustomSchema()
 
-    This provides complete control over view introspection.
-
-* Instantiate `ManualSchema` on your view, providing the Core API `Fields` for
-  the view explicitly:
-
-        from rest_framework.views import APIView
-        from rest_framework.schemas import ManualSchema
-
-        class CustomView(APIView):
-            ...
-            schema = ManualSchema(fields=[
-                coreapi.Field(
-                    "first_field",
-                    required=True,
-                    location="path",
-                    schema=coreschema.String()
-                ),
-                coreapi.Field(
-                    "second_field",
-                    required=True,
-                    location="path",
-                    schema=coreschema.String()
-                ),
-            ])
-
-    This allows manually specifying the schema for some views whilst maintaining
-    automatic generation elsewhere.
+This provides complete control over view introspection.
 
 You may disable schema generation for a view by setting `schema` to `None`:
 
-        class CustomView(APIView):
-            ...
-            schema = None  # Will not appear in schema
-
----
-
-**Note**: For full details on `SchemaGenerator` plus the `AutoSchema` and
-`ManualSchema` descriptors see the [API Reference below](#api-reference).
-
----
-
-# Adding a schema view
-
-There are a few different ways to add a schema view to your API, depending on
-exactly what you need.
-
-## The get_schema_view shortcut
-
-The simplest way to include a schema in your project is to use the
-`get_schema_view()` function.
-
-    from rest_framework.schemas import get_schema_view
-
-    schema_view = get_schema_view(title="Server Monitoring API")
-
-    urlpatterns = [
-        url('^$', schema_view),
-        ...
-    ]
-
-Once the view has been added, you'll be able to make API requests to retrieve
-the auto-generated schema definition.
-
-    $ http http://127.0.0.1:8000/ Accept:application/coreapi+json
-    HTTP/1.0 200 OK
-    Allow: GET, HEAD, OPTIONS
-    Content-Type: application/vnd.coreapi+json
-
-    {
-        "_meta": {
-            "title": "Server Monitoring API"
-        },
-        "_type": "document",
-        ...
-    }
-
-The arguments to `get_schema_view()` are:
-
-#### `title`
-
-May be used to provide a descriptive title for the schema definition.
-
-#### `url`
-
-May be used to pass a canonical URL for the schema.
-
-    schema_view = get_schema_view(
-        title='Server Monitoring API',
-        url='https://www.example.org/api/'
-    )
-
-#### `urlconf`
-
-A string representing the import path to the URL conf that you want
-to generate an API schema for. This defaults to the value of Django's
-ROOT_URLCONF setting.
-
-    schema_view = get_schema_view(
-        title='Server Monitoring API',
-        url='https://www.example.org/api/',
-        urlconf='myproject.urls'
-    )
-
-#### `renderer_classes`
-
-May be used to pass the set of renderer classes that can be used to render the API root endpoint.
-
-    from rest_framework.schemas import get_schema_view
-    from rest_framework.renderers import CoreJSONRenderer
-    from my_custom_package import APIBlueprintRenderer
-
-    schema_view = get_schema_view(
-        title='Server Monitoring API',
-        url='https://www.example.org/api/',
-        renderer_classes=[CoreJSONRenderer, APIBlueprintRenderer]
-    )
-
-#### `patterns`
-
-List of url patterns to limit the schema introspection to. If you only want the `myproject.api` urls
-to be exposed in the schema:
-
-    schema_url_patterns = [
-        url(r'^api/', include('myproject.api.urls')),
-    ]
-
-    schema_view = get_schema_view(
-        title='Server Monitoring API',
-        url='https://www.example.org/api/',
-        patterns=schema_url_patterns,
-    )
-
-#### `generator_class`
-
-May be used to specify a `SchemaGenerator` subclass to be passed to the
-`SchemaView`.
-
-#### `authentication_classes`
-
-May be used to specify the list of authentication classes that will apply to the schema endpoint.
-Defaults to `settings.DEFAULT_AUTHENTICATION_CLASSES`
-
-#### `permission_classes`
-
-May be used to specify the list of permission classes that will apply to the schema endpoint.
-Defaults to `settings.DEFAULT_PERMISSION_CLASSES`
-
-
-## Using an explicit schema view
-
-If you need a little more control than the `get_schema_view()` shortcut gives you,
-then you can use the `SchemaGenerator` class directly to auto-generate the
-`Document` instance, and to return that from a view.
-
-This option gives you the flexibility of setting up the schema endpoint
-with whatever behaviour you want. For example, you can apply different
-permission, throttling, or authentication policies to the schema endpoint.
-
-Here's an example of using `SchemaGenerator` together with a view to
-return the schema.
-
-**views.py:**
-
-    from rest_framework.decorators import api_view, renderer_classes
-    from rest_framework import renderers, response, schemas
-
-    generator = schemas.SchemaGenerator(title='Bookings API')
-
-    @api_view()
-    @renderer_classes([renderers.CoreJSONRenderer])
-    def schema_view(request):
-        schema = generator.get_schema(request)
-        return response.Response(schema)
-
-**urls.py:**
-
-    urlpatterns = [
-        url('/', schema_view),
-        ...
-    ]
-
-You can also serve different schemas to different users, depending on the
-permissions they have available. This approach can be used to ensure that
-unauthenticated requests are presented with a different schema to
-authenticated requests, or to ensure that different parts of the API are
-made visible to different users depending on their role.
-
-In order to present a schema with endpoints filtered by user permissions,
-you need to pass the `request` argument to the `get_schema()` method, like so:
-
-    @api_view()
-    @renderer_classes([renderers.CoreJSONRenderer])
-    def schema_view(request):
-        generator = schemas.SchemaGenerator(title='Bookings API')
-        return response.Response(generator.get_schema(request=request))
-
-## Explicit schema definition
-
-An alternative to the auto-generated approach is to specify the API schema
-explicitly, by declaring a `Document` object in your codebase. Doing so is a
-little more work, but ensures that you have full control over the schema
-representation.
-
-    import coreapi
-    from rest_framework.decorators import api_view, renderer_classes
-    from rest_framework import renderers, response
-
-    schema = coreapi.Document(
-        title='Bookings API',
-        content={
-            ...
-        }
-    )
-
-    @api_view()
-    @renderer_classes([renderers.CoreJSONRenderer])
-    def schema_view(request):
-        return response.Response(schema)
-
-## Static schema file
-
-A final option is to write your API schema as a static file, using one
-of the available formats, such as Core JSON or Open API.
-
-You could then either:
-
-* Write a schema definition as a static file, and [serve the static file directly][static-files].
-* Write a schema definition that is loaded using `Core API`, and then
-  rendered to one of many available formats, depending on the client request.
-
----
-
-# Schemas as documentation
-
-One common usage of API schemas is to use them to build documentation pages.
-
-The schema generation in REST framework uses docstrings to automatically
-populate descriptions in the schema document.
-
-These descriptions will be based on:
-
-* The corresponding method docstring if one exists.
-* A named section within the class docstring, which can be either single line or multi-line.
-* The class docstring.
-
-## Examples
-
-An `APIView`, with an explicit method docstring.
-
-    class ListUsernames(APIView):
-        def get(self, request):
-            """
-            Return a list of all user names in the system.
-            """
-            usernames = [user.username for user in User.objects.all()]
-            return Response(usernames)
-
-A `ViewSet`, with an explict action docstring.
-
-    class ListUsernames(ViewSet):
-        def list(self, request):
-            """
-            Return a list of all user names in the system.
-            """
-            usernames = [user.username for user in User.objects.all()]
-            return Response(usernames)
-
-A generic view with sections in the class docstring, using single-line style.
-
-    class UserList(generics.ListCreateAPIView):
-        """
-        get: List all the users.
-        post: Create a new user.
-        """
-        queryset = User.objects.all()
-        serializer_class = UserSerializer
-        permission_classes = (IsAdminUser,)
-
-A generic viewset with sections in the class docstring, using multi-line style.
-
-    class UserViewSet(viewsets.ModelViewSet):
-        """
-        API endpoint that allows users to be viewed or edited.
-
-        retrieve:
-        Return a user instance.
-
-        list:
-        Return all users, ordered by most recently joined.
-        """
-        queryset = User.objects.all().order_by('-date_joined')
-        serializer_class = UserSerializer
-
----
-
-# API Reference
-
-## SchemaGenerator
-
-A class that walks a list of routed URL patterns, requests the schema for each view,
-and collates the resulting CoreAPI Document.
-
-Typically you'll instantiate `SchemaGenerator` with a single argument, like so:
-
-    generator = SchemaGenerator(title='Stock Prices API')
-
-Arguments:
-
-* `title` **required** - The name of the API.
-* `url` - The root URL of the API schema. This option is not required unless the schema is included under path prefix.
-* `patterns` - A list of URLs to inspect when generating the schema. Defaults to the project's URL conf.
-* `urlconf` - A URL conf module name to use when generating the schema. Defaults to `settings.ROOT_URLCONF`.
-
-### get_schema(self, request)
-
-Returns a `coreapi.Document` instance that represents the API schema.
-
-    @api_view
-    @renderer_classes([renderers.CoreJSONRenderer])
-    def schema_view(request):
-        generator = schemas.SchemaGenerator(title='Bookings API')
-        return Response(generator.get_schema())
-
-The `request` argument is optional, and may be used if you want to apply per-user
-permissions to the resulting schema generation.
-
-### get_links(self, request)
-
-Return a nested dictionary containing all the links that should be included in the API schema.
-
-This is a good point to override if you want to modify the resulting structure of the generated schema,
-as you can build a new dictionary with a different layout.
-
-
-## AutoSchema
-
-A class that deals with introspection of individual views for schema generation.
-
-`AutoSchema` is attached to `APIView` via the `schema` attribute.
-
-The `AutoSchema` constructor takes a single keyword argument  `manual_fields`.
-
-**`manual_fields`**: a `list` of `coreapi.Field` instances that will be added to
-the generated fields. Generated fields with a matching `name` will be overwritten.
-
     class CustomView(APIView):
-        schema = AutoSchema(manual_fields=[
-            coreapi.Field(
-                "my_extra_field",
-                required=True,
-                location="path",
-                schema=coreschema.String()
-            ),
-        ])
-
-For more advanced customisation subclass `AutoSchema` to customise schema generation.
-
-    class CustomViewSchema(AutoSchema):
-        """
-        Overrides `get_link()` to provide Custom Behavior X
-        """
-
-        def get_link(self, path, method, base_url):
-            link = super().get_link(path, method, base_url)
-            # Do something to customize link here...
-            return link
-
-    class MyView(APIView):
-      schema = CustomViewSchema()
-
-The following methods are available to override.
-
-### get_link(self, path, method, base_url)
-
-Returns a `coreapi.Link` instance corresponding to the given view.
-
-This is the main entry point.
-You can override this if you need to provide custom behaviors for particular views.
-
-### get_description(self, path, method)
-
-Returns a string to use as the link description. By default this is based on the
-view docstring as described in the "Schemas as Documentation" section above.
-
-### get_encoding(self, path, method)
-
-Returns a string to indicate the encoding for any request body, when interacting
-with the given view. Eg. `'application/json'`. May return a blank string for views
-that do not expect a request body.
-
-### get_path_fields(self, path, method):
-
-Return a list of `coreapi.Link()` instances. One for each path parameter in the URL.
-
-### get_serializer_fields(self, path, method)
-
-Return a list of `coreapi.Link()` instances. One for each field in the serializer class used by the view.
-
-### get_pagination_fields(self, path, method)
-
-Return a list of `coreapi.Link()` instances, as returned by the `get_schema_fields()` method on any pagination class used by the view.
-
-### get_filter_fields(self, path, method)
-
-Return a list of `coreapi.Link()` instances, as returned by the `get_schema_fields()` method of any filter classes used by the view.
-
-### get_manual_fields(self, path, method)
-
-Return a list of `coreapi.Field()` instances to be added to or replace generated fields. Defaults to (optional) `manual_fields` passed to `AutoSchema` constructor.
-
-May be overridden to customise manual fields by `path` or `method`. For example, a per-method adjustment may look like this:
-
-```python
-def get_manual_fields(self, path, method):
-    """Example adding per-method fields."""
-
-    extra_fields = []
-    if method=='GET':
-        extra_fields = # ... list of extra fields for GET ...
-    if method=='POST':
-        extra_fields = # ... list of extra fields for POST ...
-
-    manual_fields = super().get_manual_fields()
-    return manual_fields + extra_fields
-```
-
-### update_fields(fields, update_with)
-
-Utility `staticmethod`. Encapsulates logic to add or replace fields from a list
-by `Field.name`. May be overridden to adjust replacement criteria.
-
-
-## ManualSchema
-
-Allows manually providing a list of `coreapi.Field` instances for the schema,
-plus an optional description.
-
-    class MyView(APIView):
-      schema = ManualSchema(fields=[
-            coreapi.Field(
-                "first_field",
-                required=True,
-                location="path",
-                schema=coreschema.String()
-            ),
-            coreapi.Field(
-                "second_field",
-                required=True,
-                location="path",
-                schema=coreschema.String()
-            ),
-        ]
-      )
-
-The `ManualSchema` constructor takes two arguments:
-
-**`fields`**: A list of `coreapi.Field` instances. Required.
-
-**`description`**: A string description. Optional.
-
----
-
-## Core API
-
-This documentation gives a brief overview of the components within the `coreapi`
-package that are used to represent an API schema.
-
-Note that these classes are imported from the `coreapi` package, rather than
-from the `rest_framework` package.
-
-### Document
-
-Represents a container for the API schema.
-
-#### `title`
-
-A name for the API.
-
-#### `url`
-
-A canonical URL for the API.
-
-#### `content`
-
-A dictionary, containing the `Link` objects that the schema contains.
-
-In order to provide more structure to the schema, the `content` dictionary
-may be nested, typically to a second level. For example:
-
-    content={
-        "bookings": {
-            "list": Link(...),
-            "create": Link(...),
-            ...
-        },
-        "venues": {
-            "list": Link(...),
-            ...
-        },
         ...
-    }
+        schema = None  # Will not appear in schema
 
-### Link
+This also applies to extra actions for `ViewSet`s:
 
-Represents an individual API endpoint.
+    class CustomViewSet(viewsets.ModelViewSet):
 
-#### `url`
+        @action(detail=True, schema=None)
+        def extra_action(self, request, pk=None):
+            ...
 
-The URL of the endpoint. May be a URI template, such as `/users/{username}/`.
+If you wish to provide a base `AutoSchema` subclass to be used throughout your
+project you may adjust `settings.DEFAULT_SCHEMA_CLASS`  appropriately.
 
-#### `action`
-
-The HTTP method associated with the endpoint. Note that URLs that support
-more than one HTTP method, should correspond to a single `Link` for each.
-
-#### `fields`
-
-A list of `Field` instances, describing the available parameters on the input.
-
-#### `description`
-
-A short description of the meaning and intended usage of the endpoint.
-
-### Field
-
-Represents a single input parameter on a given API endpoint.
-
-#### `name`
-
-A descriptive name for the input.
-
-#### `required`
-
-A boolean, indicated if the client is required to included a value, or if
-the parameter can be omitted.
-
-#### `location`
-
-Determines how the information is encoded into the request. Should be one of
-the following strings:
-
-**"path"**
-
-Included in a templated URI. For example a `url` value of `/products/{product_code}/` could be used together with a `"path"` field, to handle API inputs in a URL path such as `/products/slim-fit-jeans/`.
-
-These fields will normally correspond with [named arguments in the project URL conf][named-arguments].
-
-**"query"**
-
-Included as a URL query parameter. For example `?search=sale`. Typically for `GET` requests.
-
-These fields will normally correspond with pagination and filtering controls on a view.
-
-**"form"**
-
-Included in the request body, as a single item of a JSON object or HTML form. For example `{"colour": "blue", ...}`. Typically for `POST`, `PUT` and `PATCH` requests. Multiple `"form"` fields may be included on a single link.
-
-These fields will normally correspond with serializer fields on a view.
-
-**"body"**
-
-Included as the complete request body. Typically for `POST`, `PUT` and `PATCH` requests. No more than one `"body"` field may exist on a link. May not be used together with `"form"` fields.
-
-These fields will normally correspond with views that use `ListSerializer` to validate the request input, or with file upload views.
-
-#### `encoding`
-
-**"application/json"**
-
-JSON encoded request content. Corresponds to views using `JSONParser`.
-Valid only if either one or more `location="form"` fields, or a single
-`location="body"` field is included on the `Link`.
-
-**"multipart/form-data"**
-
-Multipart encoded request content. Corresponds to views using `MultiPartParser`.
-Valid only if one or more `location="form"` fields is included on the `Link`.
-
-**"application/x-www-form-urlencoded"**
-
-URL encoded request content. Corresponds to views using `FormParser`. Valid
-only if one or more `location="form"` fields is included on the `Link`.
-
-**"application/octet-stream"**
-
-Binary upload request content. Corresponds to views using `FileUploadParser`.
-Valid only if a `location="body"` field is included on the `Link`.
-
-#### `description`
-
-A short description of the meaning and intended usage of the input field.
-
-
----
-
-# Third party packages
-
-## DRF OpenAPI
-
-[DRF OpenAPI][drf-openapi] renders the schema generated by Django Rest Framework
-in [OpenAPI][open-api] format.
-
-
-[cite]: https://blog.heroku.com/archives/2014/1/8/json_schema_for_heroku_platform_api
-[coreapi]: http://www.coreapi.org/
-[corejson]: http://www.coreapi.org/specification/encoding/#core-json-encoding
-[open-api]: https://openapis.org/
-[drf-openapi]: https://github.com/limdauto/drf_openapi
-[json-hyperschema]: http://json-schema.org/latest/json-schema-hypermedia.html
-[api-blueprint]: https://apiblueprint.org/
-[static-files]: https://docs.djangoproject.com/en/stable/howto/static-files/
-[named-arguments]: https://docs.djangoproject.com/en/stable/topics/http/urls/#named-groups
+[openapi]: https://github.com/OAI/OpenAPI-Specification
+[openapi-specification-extensions]: https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#specification-extensions
+[openapi-operation]: https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#operationObject
diff --git a/docs/api-guide/serializers.md b/docs/api-guide/serializers.md
index ee6e41607..4679b1ed1 100644
--- a/docs/api-guide/serializers.md
+++ b/docs/api-guide/serializers.md
@@ -1,4 +1,7 @@
-source: serializers.py
+---
+source:
+    - serializers.py
+---
 
 # Serializers
 
@@ -57,10 +60,10 @@ At this point we've translated the model instance into Python native datatypes.
 
 Deserialization is similar. First we parse a stream into Python native datatypes...
 
-    from django.utils.six import BytesIO
+    import io
     from rest_framework.parsers import JSONParser
 
-    stream = BytesIO(json)
+    stream = io.BytesIO(json)
     data = JSONParser().parse(stream)
 
 ...then we restore those native datatypes into a dictionary of validated data.
@@ -73,7 +76,7 @@ Deserialization is similar. First we parse a stream into Python native datatypes
 
 ## Saving instances
 
-If we want to be able to return complete object instances based on the validated data we need to implement one or both of the `.create()` and `update()` methods. For example:
+If we want to be able to return complete object instances based on the validated data we need to implement one or both of the `.create()` and `.update()` methods. For example:
 
     class CommentSerializer(serializers.Serializer):
         email = serializers.EmailField()
@@ -152,7 +155,7 @@ When deserializing data, you always need to call `is_valid()` before attempting
     serializer.is_valid()
     # False
     serializer.errors
-    # {'email': [u'Enter a valid e-mail address.'], 'created': [u'This field is required.']}
+    # {'email': ['Enter a valid e-mail address.'], 'created': ['This field is required.']}
 
 Each key in the dictionary will be the field name, and the values will be lists of strings of any error messages corresponding to that field.  The `non_field_errors` key may also be present, and will list any general validation errors. The name of the `non_field_errors` key may be customized using the `NON_FIELD_ERRORS_KEY` REST framework setting.
 
@@ -197,7 +200,7 @@ Your `validate_<field_name>` methods should return the validated value or raise
 
 #### Object-level validation
 
-To do any other validation that requires access to multiple fields, add a method called `.validate()` to your `Serializer` subclass.  This method takes a single argument, which is a dictionary of field values.  It should raise a `ValidationError` if necessary, or just return the validated values.  For example:
+To do any other validation that requires access to multiple fields, add a method called `.validate()` to your `Serializer` subclass.  This method takes a single argument, which is a dictionary of field values.  It should raise a `serializers.ValidationError` if necessary, or just return the validated values.  For example:
 
     from rest_framework import serializers
 
@@ -208,7 +211,7 @@ To do any other validation that requires access to multiple fields, add a method
 
         def validate(self, data):
             """
-            Check that the start is before the stop.
+            Check that start is before finish.
             """
             if data['start'] > data['finish']:
                 raise serializers.ValidationError("finish must occur after start")
@@ -253,7 +256,7 @@ When passing data to a serializer instance, the unmodified data will be made ava
 By default, serializers must be passed values for all required fields or they will raise validation errors. You can use the `partial` argument in order to allow partial updates.
 
     # Update `comment` with partial data
-    serializer = CommentSerializer(comment, data={'content': u'foo bar'}, partial=True)
+    serializer = CommentSerializer(comment, data={'content': 'foo bar'}, partial=True)
 
 ## Dealing with nested objects
 
@@ -293,7 +296,7 @@ When dealing with nested representations that support deserializing the data, an
     serializer.is_valid()
     # False
     serializer.errors
-    # {'user': {'email': [u'Enter a valid e-mail address.']}, 'created': [u'This field is required.']}
+    # {'user': {'email': ['Enter a valid e-mail address.']}, 'created': ['This field is required.']}
 
 Similarly, the `.validated_data` property will include nested data structures.
 
@@ -308,7 +311,7 @@ The following example demonstrates how you might handle creating a user with a n
 
         class Meta:
             model = User
-            fields = ('username', 'email', 'profile')
+            fields = ['username', 'email', 'profile']
 
         def create(self, validated_data):
             profile_data = validated_data.pop('profile')
@@ -325,7 +328,7 @@ For updates you'll want to think carefully about how to handle updates to relati
 * Ignore the data and leave the instance as it is.
 * Raise a validation error.
 
-Here's an example for an `update()` method on our previous `UserSerializer` class.
+Here's an example for an `.update()` method on our previous `UserSerializer` class.
 
         def update(self, instance, validated_data):
             profile_data = validated_data.pop('profile')
@@ -352,7 +355,7 @@ Here's an example for an `update()` method on our previous `UserSerializer` clas
 
 Because the behavior of nested creates and updates can be ambiguous, and may require complex dependencies between related models, REST framework 3 requires you to always write these methods explicitly. The default `ModelSerializer` `.create()` and `.update()` methods do not include support for writable nested representations.
 
-It is possible that a third party package, providing automatic support some kinds of automatic writable nested representations may be released alongside the 3.1 release.
+There are however, third-party packages available such as [DRF Writable Nested][thirdparty-writable-nested] that support automatic writable nested representations.
 
 #### Handling saving related instances in model manager classes
 
@@ -415,7 +418,7 @@ You can provide arbitrary additional context by passing a `context` argument whe
 
     serializer = AccountSerializer(account, context={'request': request})
     serializer.data
-    # {'id': 6, 'owner': u'denvercoder9', 'created': datetime.datetime(2013, 2, 12, 09, 44, 56, 678870), 'details': 'http://example.com/accounts/6/details'}
+    # {'id': 6, 'owner': 'denvercoder9', 'created': datetime.datetime(2013, 2, 12, 09, 44, 56, 678870), 'details': 'http://example.com/accounts/6/details'}
 
 The context dictionary can be used within any serializer field logic, such as a custom `.to_representation()` method, by accessing the `self.context` attribute.
 
@@ -438,7 +441,7 @@ Declaring a `ModelSerializer` looks like this:
     class AccountSerializer(serializers.ModelSerializer):
         class Meta:
             model = Account
-            fields = ('id', 'account_name', 'users', 'created')
+            fields = ['id', 'account_name', 'users', 'created']
 
 By default, all the model fields on the class will be mapped to a corresponding serializer fields.
 
@@ -467,7 +470,7 @@ For example:
     class AccountSerializer(serializers.ModelSerializer):
         class Meta:
             model = Account
-            fields = ('id', 'account_name', 'users', 'created')
+            fields = ['id', 'account_name', 'users', 'created']
 
 You can also set the `fields` attribute to the special value `'__all__'` to indicate that all fields in the model should be used.
 
@@ -485,7 +488,7 @@ For example:
     class AccountSerializer(serializers.ModelSerializer):
         class Meta:
             model = Account
-            exclude = ('users',)
+            exclude = ['users']
 
 In the example above, if the `Account` model had 3 fields `account_name`, `users`, and `created`, this will result in the fields `account_name` and `created` to be serialized.
 
@@ -502,7 +505,7 @@ The default `ModelSerializer` uses primary keys for relationships, but you can a
     class AccountSerializer(serializers.ModelSerializer):
         class Meta:
             model = Account
-            fields = ('id', 'account_name', 'users', 'created')
+            fields = ['id', 'account_name', 'users', 'created']
             depth = 1
 
 The `depth` option should be set to an integer value that indicates the depth of relationships that should be traversed before reverting to a flat representation.
@@ -531,8 +534,8 @@ This option should be a list or tuple of field names, and is declared as follows
     class AccountSerializer(serializers.ModelSerializer):
         class Meta:
             model = Account
-            fields = ('id', 'account_name', 'users', 'created')
-            read_only_fields = ('account_name',)
+            fields = ['id', 'account_name', 'users', 'created']
+            read_only_fields = ['account_name']
 
 Model fields which have `editable=False` set, and `AutoField` fields will be set to read-only by default, and do not need to be added to the `read_only_fields` option.
 
@@ -560,7 +563,7 @@ This option is a dictionary, mapping field names to a dictionary of keyword argu
     class CreateUserSerializer(serializers.ModelSerializer):
         class Meta:
             model = User
-            fields = ('email', 'username', 'password')
+            fields = ['email', 'username', 'password']
             extra_kwargs = {'password': {'write_only': True}}
 
         def create(self, validated_data):
@@ -572,6 +575,8 @@ This option is a dictionary, mapping field names to a dictionary of keyword argu
             user.save()
             return user
 
+Please keep in mind that, if the field has already been explicitly declared on the serializer class, then the `extra_kwargs` option will be ignored.
+
 ## Relational fields
 
 When serializing model instances, there are a number of different ways you might choose to represent relationships.  The default representation for `ModelSerializer` is to use the primary keys of the related instances.
@@ -624,7 +629,7 @@ The default implementation returns a serializer class based on the `serializer_f
 
 Called to generate a serializer field that maps to a relational model field.
 
-The default implementation returns a serializer class based on the `serializer_relational_field` attribute.
+The default implementation returns a serializer class based on the `serializer_related_field` attribute.
 
 The `relation_info` argument is a named tuple, that contains `model_field`, `related_model`, `to_many` and `has_through_model` properties.
 
@@ -668,7 +673,7 @@ You can explicitly include the primary key by adding it to the `fields` option,
     class AccountSerializer(serializers.HyperlinkedModelSerializer):
         class Meta:
             model = Account
-            fields = ('url', 'id', 'account_name', 'users', 'created')
+            fields = ['url', 'id', 'account_name', 'users', 'created']
 
 ## Absolute and relative URLs
 
@@ -700,7 +705,7 @@ You can override a URL field view name and lookup field by using either, or both
     class AccountSerializer(serializers.HyperlinkedModelSerializer):
         class Meta:
             model = Account
-            fields = ('account_url', 'account_name', 'users', 'created')
+            fields = ['account_url', 'account_name', 'users', 'created']
             extra_kwargs = {
                 'url': {'view_name': 'accounts', 'lookup_field': 'account_name'},
                 'users': {'lookup_field': 'username'}
@@ -722,7 +727,7 @@ Alternatively you can set the fields on the serializer explicitly. For example:
 
         class Meta:
             model = Account
-            fields = ('url', 'account_name', 'users', 'created')
+            fields = ['url', 'account_name', 'users', 'created']
 
 ---
 
@@ -882,10 +887,10 @@ To implement a read-only serializer using the `BaseSerializer` class, we just ne
 It's simple to create a read-only serializer for converting `HighScore` instances into primitive data types.
 
     class HighScoreSerializer(serializers.BaseSerializer):
-        def to_representation(self, obj):
+        def to_representation(self, instance):
             return {
-                'score': obj.score,
-                'player_name': obj.player_name
+                'score': instance.score,
+                'player_name': instance.player_name
             }
 
 We can now use this class to serialize single `HighScore` instances:
@@ -906,7 +911,7 @@ Or use it to serialize multiple instances:
 
 ##### Read-write `BaseSerializer` classes
 
-To create a read-write serializer we first need to implement a `.to_internal_value()` method. This method returns the validated values that will be used to construct the object instance, and may raise a `ValidationError` if the supplied data is in an incorrect format.
+To create a read-write serializer we first need to implement a `.to_internal_value()` method. This method returns the validated values that will be used to construct the object instance, and may raise a `serializers.ValidationError` if the supplied data is in an incorrect format.
 
 Once you've implemented `.to_internal_value()`, the basic validation API will be available on the serializer, and you will be able to use `.is_valid()`, `.validated_data` and `.errors`.
 
@@ -921,15 +926,15 @@ Here's a complete example of our previous `HighScoreSerializer`, that's been upd
 
             # Perform the data validation.
             if not score:
-                raise ValidationError({
+                raise serializers.ValidationError({
                     'score': 'This field is required.'
                 })
             if not player_name:
-                raise ValidationError({
+                raise serializers.ValidationError({
                     'player_name': 'This field is required.'
                 })
             if len(player_name) > 10:
-                raise ValidationError({
+                raise serializers.ValidationError({
                     'player_name': 'May not be more than 10 characters.'
                 })
 
@@ -940,10 +945,10 @@ Here's a complete example of our previous `HighScoreSerializer`, that's been upd
                 'player_name': player_name
             }
 
-        def to_representation(self, obj):
+        def to_representation(self, instance):
             return {
-                'score': obj.score,
-                'player_name': obj.player_name
+                'score': instance.score,
+                'player_name': instance.player_name
             }
 
         def create(self, validated_data):
@@ -960,10 +965,11 @@ The following class is an example of a generic serializer that can handle coerci
         A read-only serializer that coerces arbitrary complex objects
         into primitive representations.
         """
-        def to_representation(self, obj):
-            for attribute_name in dir(obj):
-                attribute = getattr(obj, attribute_name)
-                if attribute_name('_'):
+        def to_representation(self, instance):
+            output = {}
+            for attribute_name in dir(instance):
+                attribute = getattr(instance, attribute_name)
+                if attribute_name.startswith('_'):
                     # Ignore private attributes.
                     pass
                 elif hasattr(attribute, '__call__'):
@@ -986,6 +992,7 @@ The following class is an example of a generic serializer that can handle coerci
                 else:
                     # Force anything else to its string representation.
                     output[attribute_name] = str(attribute)
+            return output
 
 ---
 
@@ -1003,10 +1010,18 @@ Some reasons this might be useful include...
 
 The signatures for these methods are as follows:
 
-#### `.to_representation(self, obj)`
+#### `.to_representation(self, instance)`
 
 Takes the object instance that requires serialization, and should return a primitive representation. Typically this means returning a structure of built-in Python datatypes. The exact types that can be handled will depend on the render classes you have configured for your API.
 
+May be overridden in order to modify the representation style. For example:
+
+    def to_representation(self, instance):
+        """Convert `username` to lowercase."""
+        ret = super().to_representation(instance)
+        ret['username'] = ret['username'].lower()
+        return ret
+
 #### ``.to_internal_value(self, data)``
 
 Takes the unvalidated incoming data as input and should return the validated data that will be made available as `serializer.validated_data`. The return value will also be passed to the `.create()` or `.update()` methods if `.save()` is called on the serializer class.
@@ -1022,7 +1037,7 @@ Similar to Django forms, you can extend and reuse serializers through inheritanc
     class MyBaseSerializer(Serializer):
         my_field = serializers.CharField()
 
-        def validate_my_field(self):
+        def validate_my_field(self, value):
             ...
 
     class MySerializer(MyBaseSerializer):
@@ -1075,7 +1090,7 @@ For example, if you wanted to be able to set which fields should be used by a se
             if fields is not None:
                 # Drop any fields that are not specified in the `fields` argument.
                 allowed = set(fields)
-                existing = set(self.fields.keys())
+                existing = set(self.fields)
                 for field_name in existing - allowed:
                     self.fields.pop(field_name)
 
@@ -1084,12 +1099,12 @@ This would then allow you to do the following:
     >>> class UserSerializer(DynamicFieldsModelSerializer):
     >>>     class Meta:
     >>>         model = User
-    >>>         fields = ('id', 'username', 'email')
+    >>>         fields = ['id', 'username', 'email']
     >>>
-    >>> print UserSerializer(user)
+    >>> print(UserSerializer(user))
     {'id': 2, 'username': 'jonwatts', 'email': 'jon@example.com'}
     >>>
-    >>> print UserSerializer(user, fields=('id', 'email'))
+    >>> print(UserSerializer(user, fields=('id', 'email')))
     {'id': 2, 'email': 'jon@example.com'}
 
 ## Customizing the default fields
@@ -1164,8 +1179,9 @@ The [drf-writable-nested][drf-writable-nested] package provides writable nested
 [cite]: https://groups.google.com/d/topic/django-users/sVFaOfQi4wY/discussion
 [relations]: relations.md
 [model-managers]: https://docs.djangoproject.com/en/stable/topics/db/managers/
-[encapsulation-blogpost]: http://www.dabapps.com/blog/django-models-and-encapsulation/
-[django-rest-marshmallow]: http://tomchristie.github.io/django-rest-marshmallow/
+[encapsulation-blogpost]: https://www.dabapps.com/blog/django-models-and-encapsulation/
+[thirdparty-writable-nested]: serializers.md#drf-writable-nested
+[django-rest-marshmallow]: https://marshmallow-code.github.io/django-rest-marshmallow/
 [marshmallow]: https://marshmallow.readthedocs.io/en/latest/
 [serpy]: https://github.com/clarkduvall/serpy
 [mongoengine]: https://github.com/umutbozkurt/django-rest-framework-mongoengine
@@ -1179,5 +1195,5 @@ The [drf-writable-nested][drf-writable-nested] package provides writable nested
 [drf-dynamic-fields]: https://github.com/dbrgn/drf-dynamic-fields
 [drf-base64]: https://bitbucket.org/levit_scs/drf_base64
 [drf-serializer-extensions]: https://github.com/evenicoulddoit/django-rest-framework-serializer-extensions
-[djangorestframework-queryfields]: http://djangorestframework-queryfields.readthedocs.io/
-[drf-writable-nested]: http://github.com/beda-software/drf-writable-nested
+[djangorestframework-queryfields]: https://djangorestframework-queryfields.readthedocs.io/
+[drf-writable-nested]: https://github.com/beda-software/drf-writable-nested
diff --git a/docs/api-guide/settings.md b/docs/api-guide/settings.md
index 5c9eaa12c..d42000260 100644
--- a/docs/api-guide/settings.md
+++ b/docs/api-guide/settings.md
@@ -1,4 +1,7 @@
-source: settings.py
+---
+source:
+    - settings.py
+---
 
 # Settings
 
@@ -11,12 +14,12 @@ Configuration for REST framework is all namespaced inside a single Django settin
 For example your project's `settings.py` file might include something like this:
 
     REST_FRAMEWORK = {
-        'DEFAULT_RENDERER_CLASSES': (
+        'DEFAULT_RENDERER_CLASSES': [
             'rest_framework.renderers.JSONRenderer',
-        ),
-        'DEFAULT_PARSER_CLASSES': (
+        ],
+        'DEFAULT_PARSER_CLASSES': [
             'rest_framework.parsers.JSONParser',
-        )
+        ]
     }
 
 ## Accessing settings
@@ -26,7 +29,7 @@ you should use the `api_settings` object.  For example.
 
     from rest_framework.settings import api_settings
 
-    print api_settings.DEFAULT_AUTHENTICATION_CLASSES
+    print(api_settings.DEFAULT_AUTHENTICATION_CLASSES)
 
 The `api_settings` object will check for any user-defined settings, and otherwise fall back to the default values.  Any setting that uses string import paths to refer to a class will automatically import and return the referenced class, instead of the string literal.
 
@@ -44,10 +47,10 @@ A list or tuple of renderer classes, that determines the default set of renderer
 
 Default:
 
-    (
+    [
         'rest_framework.renderers.JSONRenderer',
         'rest_framework.renderers.BrowsableAPIRenderer',
-    )
+    ]
 
 #### DEFAULT_PARSER_CLASSES
 
@@ -55,11 +58,11 @@ A list or tuple of parser classes, that determines the default set of parsers us
 
 Default:
 
-    (
+    [
         'rest_framework.parsers.JSONParser',
         'rest_framework.parsers.FormParser',
         'rest_framework.parsers.MultiPartParser'
-    )
+    ]
 
 #### DEFAULT_AUTHENTICATION_CLASSES
 
@@ -67,10 +70,10 @@ A list or tuple of authentication classes, that determines the default set of au
 
 Default:
 
-    (
+    [
         'rest_framework.authentication.SessionAuthentication',
         'rest_framework.authentication.BasicAuthentication'
-    )
+    ]
 
 #### DEFAULT_PERMISSION_CLASSES
 
@@ -78,15 +81,15 @@ A list or tuple of permission classes, that determines the default set of permis
 
 Default:
 
-    (
+    [
         'rest_framework.permissions.AllowAny',
-    )
+    ]
 
 #### DEFAULT_THROTTLE_CLASSES
 
 A list or tuple of throttle classes, that determines the default set of throttles checked at the start of a view.
 
-Default: `()`
+Default: `[]`
 
 #### DEFAULT_CONTENT_NEGOTIATION_CLASS
 
@@ -94,38 +97,31 @@ A content negotiation class, that determines how a renderer is selected for the
 
 Default: `'rest_framework.negotiation.DefaultContentNegotiation'`
 
+#### DEFAULT_SCHEMA_CLASS
+
+A view inspector class that will be used for schema generation.
+
+Default: `'rest_framework.schemas.openapi.AutoSchema'`
+
 ---
 
 ## Generic view settings
 
 *The following settings control the behavior of the generic class-based views.*
 
-#### DEFAULT_PAGINATION_SERIALIZER_CLASS
-
----
-
-**This setting has been removed.**
-
-The pagination API does not use serializers to determine the output format, and
-you'll need to instead override the `get_paginated_response method on a
-pagination class in order to specify how the output format is controlled.
-
----
-
 #### DEFAULT_FILTER_BACKENDS
 
 A list of filter backend classes that should be used for generic filtering.
 If set to `None` then generic filtering is disabled.
 
-#### PAGINATE_BY
+#### DEFAULT_PAGINATION_CLASS
 
----
+The default class to use for queryset pagination. If set to `None`, pagination
+is disabled by default. See the pagination documentation for further guidance on
+[setting](pagination.md#setting-the-pagination-style) and
+[modifying](pagination.md#modifying-the-pagination-style) the pagination style.
 
-**This setting has been removed.**
-
-See the pagination documentation for further guidance on [setting the pagination style](pagination.md#modifying-the-pagination-style).
-
----
+Default: `None`
 
 #### PAGE_SIZE
 
@@ -133,26 +129,6 @@ The default page size to use for pagination.  If set to `None`, pagination is di
 
 Default: `None`
 
-#### PAGINATE_BY_PARAM
-
----
-
-**This setting has been removed.**
-
-See the pagination documentation for further guidance on [setting the pagination style](pagination.md#modifying-the-pagination-style).
-
----
-
-#### MAX_PAGINATE_BY
-
----
-
-**This setting is pending deprecation.**
-
-See the pagination documentation for further guidance on [setting the pagination style](pagination.md#modifying-the-pagination-style).
-
----
-
 ### SEARCH_PARAM
 
 The name of a query parameter, which can be used to specify the search term used by `SearchFilter`.
@@ -196,6 +172,8 @@ Default: `'version'`
 #### UNAUTHENTICATED_USER
 
 The class that should be used to initialize `request.user` for unauthenticated requests.
+(If removing authentication entirely, e.g. by removing `django.contrib.auth` from
+`INSTALLED_APPS`, set `UNAUTHENTICATED_USER` to `None`.)
 
 Default: `django.contrib.auth.models.AnonymousUser`
 
@@ -227,10 +205,10 @@ The format of any of these renderer classes may be used when constructing a test
 
 Default:
 
-    (
+    [
         'rest_framework.renderers.MultiPartRenderer',
         'rest_framework.renderers.JSONRenderer'
-    )
+    ]
 
 ---
 
@@ -390,10 +368,15 @@ A string representing the function that should be used when generating view name
 
 This should be a function with the following signature:
 
-    view_name(cls, suffix=None)
+    view_name(self)
 
-* `cls`: The view class.  Typically the name function would inspect the name of the class when generating a descriptive name, by accessing `cls.__name__`.
-* `suffix`: The optional suffix used when differentiating individual views in a viewset.
+* `self`: The view instance.  Typically the name function would inspect the name of the class when generating a descriptive name, by accessing `self.__class__.__name__`.
+
+If the view instance inherits `ViewSet`, it may have been initialized with several optional arguments:
+
+* `name`: A name explicitly provided to a view in the viewset. Typically, this value should be used as-is when provided.
+* `suffix`: Text used when differentiating individual views in a viewset. This argument is mutually exclusive to `name`.
+* `detail`: Boolean that differentiates an individual view in a viewset as either being a 'list' or 'detail' view.
 
 Default: `'rest_framework.views.get_view_name'`
 
@@ -405,11 +388,15 @@ This setting can be changed to support markup styles other than the default mark
 
 This should be a function with the following signature:
 
-    view_description(cls, html=False)
+    view_description(self, html=False)
 
-* `cls`: The view class.  Typically the description function would inspect the docstring of the class when generating a description, by accessing `cls.__doc__`
+* `self`: The view instance.  Typically the description function would inspect the docstring of the class when generating a description, by accessing `self.__class__.__doc__`
 * `html`: A boolean indicating if HTML output is required.  `True` when used in the browsable API, and `False` when used in generating `OPTIONS` responses.
 
+If the view instance inherits `ViewSet`, it may have been initialized with several optional arguments:
+
+* `description`: A description explicitly provided to the view in the viewset. Typically, this is set by extra viewset `action`s, and should be used as-is.
+
 Default: `'rest_framework.views.get_view_description'`
 
 ## HTML Select Field cutoffs
@@ -465,6 +452,6 @@ An integer of 0 or more, that may be used to specify the number of application p
 Default: `None`
 
 [cite]: https://www.python.org/dev/peps/pep-0020/
-[rfc4627]: http://www.ietf.org/rfc/rfc4627.txt
+[rfc4627]: https://www.ietf.org/rfc/rfc4627.txt
 [heroku-minified-json]: https://github.com/interagent/http-api-design#keep-json-minified-in-all-responses
 [strftime]: https://docs.python.org/3/library/time.html#time.strftime
diff --git a/docs/api-guide/status-codes.md b/docs/api-guide/status-codes.md
index 16a0e63c8..a37ba15d4 100644
--- a/docs/api-guide/status-codes.md
+++ b/docs/api-guide/status-codes.md
@@ -1,4 +1,7 @@
-source: status.py
+---
+source:
+    - status.py
+---
 
 # Status Codes
 
@@ -20,13 +23,13 @@ The full set of HTTP status codes included in the `status` module is listed belo
 The module also includes a set of helper functions for testing if a status code is in a given range.
 
     from rest_framework import status
-	from rest_framework.test import APITestCase
+    from rest_framework.test import APITestCase
 
-	class ExampleTestCase(APITestCase):
-	    def test_url_root(self):
-	        url = reverse('index')
-	        response = self.client.get(url)
-	        self.assertTrue(status.is_success(response.status_code))
+    class ExampleTestCase(APITestCase):
+        def test_url_root(self):
+            url = reverse('index')
+            response = self.client.get(url)
+            self.assertTrue(status.is_success(response.status_code))
 
 
 For more information on proper usage of HTTP status codes see [RFC 2616][rfc2616]
@@ -51,6 +54,8 @@ This class of status code indicates that the client's request was successfully r
     HTTP_205_RESET_CONTENT
     HTTP_206_PARTIAL_CONTENT
     HTTP_207_MULTI_STATUS
+    HTTP_208_ALREADY_REPORTED
+    HTTP_226_IM_USED
 
 ## Redirection - 3xx
 
@@ -64,6 +69,7 @@ This class of status code indicates that further action needs to be taken by the
     HTTP_305_USE_PROXY
     HTTP_306_RESERVED
     HTTP_307_TEMPORARY_REDIRECT
+    HTTP_308_PERMANENT_REDIRECT
 
 ## Client Error - 4xx
 
@@ -90,6 +96,7 @@ The 4xx class of status code is intended for cases in which the client seems to
     HTTP_422_UNPROCESSABLE_ENTITY
     HTTP_423_LOCKED
     HTTP_424_FAILED_DEPENDENCY
+    HTTP_426_UPGRADE_REQUIRED
     HTTP_428_PRECONDITION_REQUIRED
     HTTP_429_TOO_MANY_REQUESTS
     HTTP_431_REQUEST_HEADER_FIELDS_TOO_LARGE
@@ -105,7 +112,11 @@ Response status codes beginning with the digit "5" indicate cases in which the s
     HTTP_503_SERVICE_UNAVAILABLE
     HTTP_504_GATEWAY_TIMEOUT
     HTTP_505_HTTP_VERSION_NOT_SUPPORTED
+    HTTP_506_VARIANT_ALSO_NEGOTIATES
     HTTP_507_INSUFFICIENT_STORAGE
+    HTTP_508_LOOP_DETECTED
+    HTTP_509_BANDWIDTH_LIMIT_EXCEEDED
+    HTTP_510_NOT_EXTENDED
     HTTP_511_NETWORK_AUTHENTICATION_REQUIRED
 
 ## Helper functions
@@ -118,6 +129,6 @@ The following helper functions are available for identifying the category of the
     is_client_error()   # 4xx
     is_server_error()   # 5xx
 
-[rfc2324]: http://www.ietf.org/rfc/rfc2324.txt
-[rfc2616]: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
-[rfc6585]: http://tools.ietf.org/html/rfc6585
+[rfc2324]: https://www.ietf.org/rfc/rfc2324.txt
+[rfc2616]: https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+[rfc6585]: https://tools.ietf.org/html/rfc6585
diff --git a/docs/api-guide/testing.md b/docs/api-guide/testing.md
index caba5cea2..dab0e264d 100644
--- a/docs/api-guide/testing.md
+++ b/docs/api-guide/testing.md
@@ -1,4 +1,7 @@
-source: test.py
+---
+source:
+    - test.py
+---
 
 # Testing
 
@@ -119,7 +122,7 @@ Extends [Django's existing `Client` class][client].
 
 ## Making requests
 
-The `APIClient` class supports the same request interface as Django's standard `Client` class.  This means the that standard `.get()`, `.post()`, `.put()`, `.patch()`, `.delete()`, `.head()` and `.options()` methods are all available.  For example:
+The `APIClient` class supports the same request interface as Django's standard `Client` class.  This means that the standard `.get()`, `.post()`, `.put()`, `.patch()`, `.delete()`, `.head()` and `.options()` methods are all available.  For example:
 
     from rest_framework.test import APIClient
 
@@ -201,13 +204,15 @@ live environment. (See "Live tests" below.)
 This exposes exactly the same interface as if you were using a requests session
 directly.
 
+    from rest_framework.test import RequestsClient
+    
     client = RequestsClient()
     response = client.get('http://testserver/users/')
     assert response.status_code == 200
 
 Note that the requests client requires you to pass fully qualified URLs.
 
-## `RequestsClient` and working with the database
+## RequestsClient and working with the database
 
 The `RequestsClient` class is useful if you want to write tests that solely interact with the service interface. This is a little stricter than using the standard Django test client, as it means that all interactions should be via the API.
 
@@ -237,12 +242,12 @@ For example...
     client = RequestsClient()
 
     # Obtain a CSRF token.
-    response = client.get('/homepage/')
+    response = client.get('http://testserver/homepage/')
     assert response.status_code == 200
     csrftoken = response.cookies['csrftoken']
 
     # Interact with the API.
-    response = client.post('/organisations/', json={
+    response = client.post('http://testserver/organisations/', json={
         'name': 'MegaCorp',
         'status': 'active'
     }, headers={'X-CSRFToken': csrftoken})
@@ -292,7 +297,7 @@ similar way as with `RequestsClient`.
 
 ---
 
-# Test cases
+# API Test cases
 
 REST framework includes the following test case classes, that mirror the existing Django test case classes, but use `APIClient` instead of Django's default `Client`.
 
@@ -324,6 +329,32 @@ You can use any of REST framework's test case classes as you would for the regul
 
 ---
 
+# URLPatternsTestCase
+
+REST framework also provides a test case class for isolating `urlpatterns` on a per-class basis. Note that this inherits from Django's `SimpleTestCase`, and will most likely need to be mixed with another test case class.
+
+## Example
+
+    from django.urls import include, path, reverse
+    from rest_framework.test import APITestCase, URLPatternsTestCase
+
+
+    class AccountTests(APITestCase, URLPatternsTestCase):
+        urlpatterns = [
+            path('api/', include('api.urls')),
+        ]
+
+        def test_create_account(self):
+            """
+            Ensure we can create a new account object.
+            """
+            url = reverse('account-list')
+            response = self.client.get(url, format='json')
+            self.assertEqual(response.status_code, status.HTTP_200_OK)
+            self.assertEqual(len(response.data), 1)
+
+---
+
 # Testing responses
 
 ## Checking the response data
@@ -371,14 +402,14 @@ For example, to add support for using `format='html'` in test requests, you migh
 
     REST_FRAMEWORK = {
         ...
-        'TEST_REQUEST_RENDERER_CLASSES': (
+        'TEST_REQUEST_RENDERER_CLASSES': [
             'rest_framework.renderers.MultiPartRenderer',
             'rest_framework.renderers.JSONRenderer',
             'rest_framework.renderers.TemplateHTMLRenderer'
-        )
+        ]
     }
 
-[cite]: http://jacobian.org/writing/django-apps-with-buildout/#s-create-a-test-wrapper
+[cite]: https://jacobian.org/writing/django-apps-with-buildout/#s-create-a-test-wrapper
 [client]: https://docs.djangoproject.com/en/stable/topics/testing/tools/#the-test-client
 [requestfactory]: https://docs.djangoproject.com/en/stable/topics/testing/advanced/#django.test.client.RequestFactory
 [configuration]: #configuration
diff --git a/docs/api-guide/throttling.md b/docs/api-guide/throttling.md
index 10a0bb087..215c735bf 100644
--- a/docs/api-guide/throttling.md
+++ b/docs/api-guide/throttling.md
@@ -1,4 +1,7 @@
-source: throttling.py
+---
+source:
+    - throttling.py
+---
 
 # Throttling
 
@@ -28,10 +31,10 @@ If any throttle check fails an `exceptions.Throttled` exception will be raised,
 The default throttling policy may be set globally, using the `DEFAULT_THROTTLE_CLASSES` and `DEFAULT_THROTTLE_RATES` settings.  For example.
 
     REST_FRAMEWORK = {
-        'DEFAULT_THROTTLE_CLASSES': (
+        'DEFAULT_THROTTLE_CLASSES': [
             'rest_framework.throttling.AnonRateThrottle',
             'rest_framework.throttling.UserRateThrottle'
-        ),
+        ],
         'DEFAULT_THROTTLE_RATES': {
             'anon': '100/day',
             'user': '1000/day'
@@ -48,7 +51,7 @@ using the `APIView` class-based views.
 	from rest_framework.views import APIView
 
     class ExampleView(APIView):
-        throttle_classes = (UserRateThrottle,)
+        throttle_classes = [UserRateThrottle]
 
         def get(self, request, format=None):
             content = {
@@ -72,9 +75,9 @@ The `X-Forwarded-For` HTTP header and `REMOTE_ADDR` WSGI variable are used to un
 
 If you need to strictly identify unique client IP addresses, you'll need to first configure the number of application proxies that the API runs behind by setting the `NUM_PROXIES` setting.  This setting should be an integer of zero or more.  If set to non-zero then the client IP will be identified as being the last IP address in the `X-Forwarded-For` header, once any application proxy IP addresses have first been excluded.  If set to zero, then the `REMOTE_ADDR` value will always be used as the identifying IP address.
 
-It is important to understand that if you configure the `NUM_PROXIES` setting, then all clients behind a unique [NAT'd](http://en.wikipedia.org/wiki/Network_address_translation) gateway will be treated as a single client.
+It is important to understand that if you configure the `NUM_PROXIES` setting, then all clients behind a unique [NAT'd](https://en.wikipedia.org/wiki/Network_address_translation) gateway will be treated as a single client.
 
-Further context on how the `X-Forwarded-For` header works, and identifying a remote client IP can be [found here][identifing-clients].
+Further context on how the `X-Forwarded-For` header works, and identifying a remote client IP can be [found here][identifying-clients].
 
 ## Setting up the cache
 
@@ -82,8 +85,10 @@ The throttle classes provided by REST framework use Django's cache backend.  You
 
 If you need to use a cache other than `'default'`, you can do so by creating a custom throttle class and setting the `cache` attribute.  For example:
 
+    from django.core.cache import caches
+
     class CustomAnonRateThrottle(AnonRateThrottle):
-        cache = get_cache('alternate')
+        cache = caches['alternate']
 
 You'll need to remember to also set your custom throttle class in the `'DEFAULT_THROTTLE_CLASSES'` settings key, or using the `throttle_classes` view attribute.
 
@@ -124,10 +129,10 @@ For example, multiple user throttle rates could be implemented by using the foll
 ...and the following settings.
 
     REST_FRAMEWORK = {
-        'DEFAULT_THROTTLE_CLASSES': (
+        'DEFAULT_THROTTLE_CLASSES': [
             'example.throttles.BurstRateThrottle',
             'example.throttles.SustainedRateThrottle'
-        ),
+        ],
         'DEFAULT_THROTTLE_RATES': {
             'burst': '60/min',
             'sustained': '1000/day'
@@ -159,9 +164,9 @@ For example, given the following views...
 ...and the following settings.
 
     REST_FRAMEWORK = {
-        'DEFAULT_THROTTLE_CLASSES': (
+        'DEFAULT_THROTTLE_CLASSES': [
             'rest_framework.throttling.ScopedRateThrottle',
-        ),
+        ],
         'DEFAULT_THROTTLE_RATES': {
             'contacts': '1000/day',
             'uploads': '20/day'
@@ -190,8 +195,8 @@ The following is an example of a rate throttle, that will randomly throttle 1 in
         def allow_request(self, request, view):
             return random.randint(1, 10) != 1
 
-[cite]: https://dev.twitter.com/docs/error-codes-responses
+[cite]: https://developer.twitter.com/en/docs/basics/rate-limiting
 [permissions]: permissions.md
-[identifing-clients]: http://oxpedia.org/wiki/index.php?title=AppSuite:Grizzly#Multiple_Proxies_in_front_of_the_cluster
+[identifying-clients]: http://oxpedia.org/wiki/index.php?title=AppSuite:Grizzly#Multiple_Proxies_in_front_of_the_cluster
 [cache-setting]: https://docs.djangoproject.com/en/stable/ref/settings/#caches
 [cache-docs]: https://docs.djangoproject.com/en/stable/topics/cache/#setting-up-the-cache
diff --git a/docs/api-guide/validators.md b/docs/api-guide/validators.md
index fe492c0a7..49685838a 100644
--- a/docs/api-guide/validators.md
+++ b/docs/api-guide/validators.md
@@ -1,4 +1,7 @@
-source: validators.py
+---
+source:
+    - validators.py
+---
 
 # Validators
 
@@ -94,13 +97,13 @@ The validator should be applied to *serializer classes*, like so:
             validators = [
                 UniqueTogetherValidator(
                     queryset=ToDoItem.objects.all(),
-                    fields=('list', 'position')
+                    fields=['list', 'position']
                 )
             ]
 
 ---
 
-**Note**: The `UniqueTogetherValidation` class always imposes an implicit constraint that all the fields it applies to are always treated as required. Fields with `default` values are an exception to this as they always supply a value even when omitted from user input.
+**Note**: The `UniqueTogetherValidator` class always imposes an implicit constraint that all the fields it applies to are always treated as required. Fields with `default` values are an exception to this as they always supply a value even when omitted from user input.
 
 ---
 
@@ -149,8 +152,6 @@ If you want the date field to be visible, but not editable by the user, then set
 
     published = serializers.DateTimeField(read_only=True, default=timezone.now)
 
-The field will not be writable to the user, but the default value will still be passed through to the `validated_data`.
-
 #### Using with a hidden date field.
 
 If you want the date field to be entirely hidden from the user, then use `HiddenField`. This field type does not accept user input, but instead always returns its default value to the `validated_data` in the serializer.
@@ -159,7 +160,7 @@ If you want the date field to be entirely hidden from the user, then use `Hidden
 
 ---
 
-**Note**: The `UniqueFor<Range>Validation` classes impose an implicit constraint that the fields they are applied to are always treated as required. Fields with `default` values are an exception to this as they always supply a value even when omitted from user input.
+**Note**: The `UniqueFor<Range>Validator` classes impose an implicit constraint that the fields they are applied to are always treated as required. Fields with `default` values are an exception to this as they always supply a value even when omitted from user input.
 
 ---
 
@@ -189,7 +190,6 @@ A default class that can be used to *only set a default argument during create o
 It takes a single argument, which is the default value or callable that should be used during create operations.
 
     created_at = serializers.DateTimeField(
-        read_only=True,
         default=serializers.CreateOnlyDefault(timezone.now)
     )
 
@@ -218,12 +218,12 @@ in the `.validate()` method, or else in the view.
 For example:
 
     class BillingRecordSerializer(serializers.ModelSerializer):
-        def validate(self, data):
+        def validate(self, attrs):
             # Apply custom validation either here, or in the view.
 
         class Meta:
-            fields = ('client', 'date', 'amount')
-            extra_kwargs = {'client': {'required': 'False'}}
+            fields = ['client', 'date', 'amount']
+            extra_kwargs = {'client': {'required': False}}
             validators = []  # Remove a default "unique together" constraint.
 
 ## Updating nested serializers
@@ -276,7 +276,7 @@ A validator may be any callable that raises a `serializers.ValidationError` on f
 
 You can specify custom field-level validation by adding `.validate_<field_name>` methods
 to your `Serializer` subclass. This is documented in the
-[Serializer docs](http://www.django-rest-framework.org/api-guide/serializers/#field-level-validation)
+[Serializer docs](https://www.django-rest-framework.org/api-guide/serializers/#field-level-validation)
 
 ## Class-based
 
diff --git a/docs/api-guide/versioning.md b/docs/api-guide/versioning.md
index 29672c96e..6076b1ed2 100644
--- a/docs/api-guide/versioning.md
+++ b/docs/api-guide/versioning.md
@@ -1,4 +1,7 @@
-source: versioning.py
+---
+source:
+    - versioning.py
+---
 
 # Versioning
 
@@ -37,7 +40,7 @@ The `reverse` function included by REST framework ties in with the versioning sc
 
 The above function will apply any URL transformations appropriate to the request version. For example:
 
-* If `NamespacedVersioning` was being used, and the API version was 'v1', then the URL lookup used would be `'v1:bookings-list'`, which might resolve to a URL like `http://example.org/v1/bookings/`.
+* If `NamespaceVersioning` was being used, and the API version was 'v1', then the URL lookup used would be `'v1:bookings-list'`, which might resolve to a URL like `http://example.org/v1/bookings/`.
 * If `QueryParameterVersioning` was being used, and the API version was `1.0`, then the returned URL might be something like `http://example.org/bookings/?version=1.0`
 
 #### Versioned APIs and hyperlinked serializers
@@ -129,12 +132,12 @@ This scheme requires the client to specify the version as part of the URL path.
 Your URL conf must include a pattern that matches the version with a `'version'` keyword argument, so that this information is available to the versioning scheme.
 
     urlpatterns = [
-        url(
+        re_path(
             r'^(?P<version>(v1|v2))/bookings/$',
             bookings_list,
             name='bookings-list'
         ),
-        url(
+        re_path(
             r'^(?P<version>(v1|v2))/bookings/(?P<pk>[0-9]+)/$',
             bookings_detail,
             name='bookings-detail'
@@ -155,14 +158,14 @@ In the following example we're giving a set of views two different possible URL
 
     # bookings/urls.py
     urlpatterns = [
-        url(r'^$', bookings_list, name='bookings-list'),
-        url(r'^(?P<pk>[0-9]+)/$', bookings_detail, name='bookings-detail')
+        re_path(r'^$', bookings_list, name='bookings-list'),
+        re_path(r'^(?P<pk>[0-9]+)/$', bookings_detail, name='bookings-detail')
     ]
 
     # urls.py
     urlpatterns = [
-        url(r'^v1/bookings/', include('bookings.urls', namespace='v1')),
-        url(r'^v2/bookings/', include('bookings.urls', namespace='v2'))
+        re_path(r'^v1/bookings/', include('bookings.urls', namespace='v1')),
+        re_path(r'^v2/bookings/', include('bookings.urls', namespace='v2'))
     ]
 
 Both `URLPathVersioning` and `NamespaceVersioning` are reasonable if you just need a simple versioning scheme. The `URLPathVersioning` approach might be better suitable for small ad-hoc projects, and the `NamespaceVersioning` is probably easier to manage for larger projects.
@@ -183,7 +186,7 @@ By default this implementation expects the hostname to match this simple regular
 
 Note that the first group is enclosed in brackets, indicating that this is the matched portion of the hostname.
 
-The `HostNameVersioning` scheme can be awkward to use in debug mode as you will typically be accessing a raw IP address such as `127.0.0.1`. There are various online services which you to [access localhost with a custom subdomain][lvh] which you may find helpful in this case.
+The `HostNameVersioning` scheme can be awkward to use in debug mode as you will typically be accessing a raw IP address such as `127.0.0.1`. There are various online tutorials on how to [access localhost with a custom subdomain][lvh] which you may find helpful in this case.
 
 Hostname based versioning can be particularly useful if you have requirements to route incoming requests to different servers based on the version, as you can configure different DNS records for different API versions.
 
@@ -211,10 +214,10 @@ The following example uses a custom `X-API-Version` header to determine the requ
 
 If your versioning scheme is based on the request URL, you will also want to alter how versioned URLs are determined. In order to do so you should override the `.reverse()` method on the class. See the source code for examples.
 
-[cite]: http://www.slideshare.net/evolve_conference/201308-fielding-evolve/31
-[roy-fielding-on-versioning]: http://www.infoq.com/articles/roy-fielding-on-versioning
+[cite]: https://www.slideshare.net/evolve_conference/201308-fielding-evolve/31
+[roy-fielding-on-versioning]: https://www.infoq.com/articles/roy-fielding-on-versioning
 [klabnik-guidelines]: http://blog.steveklabnik.com/posts/2011-07-03-nobody-understands-rest-or-http#i_want_my_api_to_be_versioned
 [heroku-guidelines]: https://github.com/interagent/http-api-design/blob/master/en/foundations/require-versioning-in-the-accepts-header.md
-[json-parameters]: http://tools.ietf.org/html/rfc4627#section-6
-[vendor-media-type]: http://en.wikipedia.org/wiki/Internet_media_type#Vendor_tree
+[json-parameters]: https://tools.ietf.org/html/rfc4627#section-6
+[vendor-media-type]: https://en.wikipedia.org/wiki/Internet_media_type#Vendor_tree
 [lvh]: https://reinteractive.net/posts/199-developing-and-testing-rails-applications-with-subdomains
diff --git a/docs/api-guide/views.md b/docs/api-guide/views.md
index 2f9f51cf9..45226d57b 100644
--- a/docs/api-guide/views.md
+++ b/docs/api-guide/views.md
@@ -1,5 +1,8 @@
-source: decorators.py
-        views.py
+---
+source:
+    - decorators.py
+    - views.py
+---
 
 # Class-based Views
 
@@ -32,8 +35,8 @@ For example:
         * Requires token authentication.
         * Only admin users are able to access this view.
         """
-        authentication_classes = (authentication.TokenAuthentication,)
-        permission_classes = (permissions.IsAdminUser,)
+        authentication_classes = [authentication.TokenAuthentication]
+        permission_classes = [permissions.IsAdminUser]
 
         def get(self, request, format=None):
             """
@@ -42,6 +45,13 @@ For example:
             usernames = [user.username for user in User.objects.all()]
             return Response(usernames)
 
+---
+
+**Note**: The full methods, attributes on, and relations between Django REST Framework's `APIView`, `GenericAPIView`, various `Mixins`, and `Viewsets` can be initially complex. In addition to the documentation here, the [Classy Django REST Framework][classy-drf] resource provides a browsable reference, with full methods and attributes, for each of Django REST Framework's class-based views.
+
+---
+
+
 ## API policy attributes
 
 The following attributes control the pluggable aspects of API views.
@@ -207,8 +217,10 @@ You may pass `None` in order to exclude the view from schema generation.
         return Response({"message": "Will not appear in schema!"})
 
 
-[cite]: http://reinout.vanrees.org/weblog/2011/08/24/class-based-views-usage.html
+[cite]: https://reinout.vanrees.org/weblog/2011/08/24/class-based-views-usage.html
 [cite2]: http://www.boredomandlaziness.org/2012/05/djangos-cbvs-are-not-mistake-but.html
 [settings]: settings.md
 [throttling]: throttling.md
 [schemas]: schemas.md
+[classy-drf]: http://www.cdrf.co
+
diff --git a/docs/api-guide/viewsets.md b/docs/api-guide/viewsets.md
index 04ce7357d..cd765d3e6 100644
--- a/docs/api-guide/viewsets.md
+++ b/docs/api-guide/viewsets.md
@@ -1,4 +1,7 @@
-source: viewsets.py
+---
+source:
+    - viewsets.py
+---
 
 # ViewSets
 
@@ -51,7 +54,7 @@ Typically we wouldn't do this, but would instead register the viewset with a rou
     from rest_framework.routers import DefaultRouter
 
     router = DefaultRouter()
-    router.register(r'users', UserViewSet, base_name='user')
+    router.register(r'users', UserViewSet, basename='user')
     urlpatterns = router.urls
 
 Rather than writing your own viewsets, you'll often want to use the existing base classes that provide a default set of behavior.  For example:
@@ -70,9 +73,10 @@ There are two main advantages of using a `ViewSet` class over using a `View` cla
 
 Both of these come with a trade-off.  Using regular views and URL confs is more explicit and gives you more control.  ViewSets are helpful if you want to get up and running quickly, or when you have a large API and you want to enforce a consistent URL configuration throughout.
 
-## Marking extra actions for routing
 
-The default routers included with REST framework will provide routes for a standard set of create/retrieve/update/destroy style operations, as shown below:
+## ViewSet actions
+
+The default routers included with REST framework will provide routes for a standard set of create/retrieve/update/destroy style actions, as shown below:
 
     class UserViewSet(viewsets.ViewSet):
         """
@@ -101,16 +105,38 @@ The default routers included with REST framework will provide routes for a stand
         def destroy(self, request, pk=None):
             pass
 
-If you have ad-hoc methods that you need to be routed to, you can mark them as requiring routing using the `@detail_route` or `@list_route` decorators.
+## Introspecting ViewSet actions
 
-The `@detail_route` decorator contains `pk` in its URL pattern and is intended for methods which require a single instance. The `@list_route` decorator is intended for methods which operate on a list of objects.
+During dispatch, the following attributes are available on the `ViewSet`.
 
-For example:
+* `basename` - the base to use for the URL names that are created.
+* `action` - the name of the current action (e.g., `list`, `create`).
+* `detail` - boolean indicating if the current action is configured for a list or detail view.
+* `suffix` - the display suffix for the viewset type - mirrors the `detail` attribute.
+* `name` - the display name for the viewset. This argument is mutually exclusive to `suffix`.
+* `description` - the display description for the individual view of a viewset.
+
+You may inspect these attributes to adjust behaviour based on the current action. For example, you could restrict permissions to everything except the `list` action similar to this:
+
+    def get_permissions(self):
+        """
+        Instantiates and returns the list of permissions that this view requires.
+        """
+        if self.action == 'list':
+            permission_classes = [IsAuthenticated]
+        else:
+            permission_classes = [IsAdmin]
+        return [permission() for permission in permission_classes]
+
+## Marking extra actions for routing
+
+If you have ad-hoc methods that should be routable, you can mark them as such with the `@action` decorator. Like regular actions, extra actions may be intended for either a single object, or an entire collection. To indicate this, set the `detail` argument to `True` or `False`. The router will configure its URL patterns accordingly. e.g., the `DefaultRouter` will configure detail actions to contain `pk` in their URL patterns.
+
+A more complete example of extra actions:
 
     from django.contrib.auth.models import User
-    from rest_framework import status
-    from rest_framework import viewsets
-    from rest_framework.decorators import detail_route, list_route
+    from rest_framework import status, viewsets
+    from rest_framework.decorators import action
     from rest_framework.response import Response
     from myapp.serializers import UserSerializer, PasswordSerializer
 
@@ -121,7 +147,7 @@ For example:
         queryset = User.objects.all()
         serializer_class = UserSerializer
 
-        @detail_route(methods=['post'])
+        @action(detail=True, methods=['post'])
         def set_password(self, request, pk=None):
             user = self.get_object()
             serializer = PasswordSerializer(data=request.data)
@@ -133,9 +159,9 @@ For example:
                 return Response(serializer.errors,
                                 status=status.HTTP_400_BAD_REQUEST)
 
-        @list_route()
+        @action(detail=False)
         def recent_users(self, request):
-            recent_users = User.objects.all().order('-last_login')
+            recent_users = User.objects.all().order_by('-last_login')
 
             page = self.paginate_queryset(recent_users)
             if page is not None:
@@ -145,20 +171,38 @@ For example:
             serializer = self.get_serializer(recent_users, many=True)
             return Response(serializer.data)
 
-The decorators can additionally take extra arguments that will be set for the routed view only.  For example...
+The decorator can additionally take extra arguments that will be set for the routed view only.  For example:
 
-        @detail_route(methods=['post'], permission_classes=[IsAdminOrIsSelf])
+        @action(detail=True, methods=['post'], permission_classes=[IsAdminOrIsSelf])
         def set_password(self, request, pk=None):
            ...
 
-These decorators will route `GET` requests by default, but may also accept other HTTP methods, by using the `methods` argument.  For example:
+The `action` decorator will route `GET` requests by default, but may also accept other HTTP methods by setting the `methods` argument.  For example:
 
-        @detail_route(methods=['post', 'delete'])
+        @action(detail=True, methods=['post', 'delete'])
         def unset_password(self, request, pk=None):
            ...
 
 The two new actions will then be available at the urls `^users/{pk}/set_password/$` and `^users/{pk}/unset_password/$`
 
+To view all extra actions, call the `.get_extra_actions()` method.
+
+### Routing additional HTTP methods for extra actions
+
+Extra actions can map additional HTTP methods to separate `ViewSet` methods. For example, the above password set/unset methods could be consolidated into a single route. Note that additional mappings do not accept arguments.
+
+```python
+    @action(detail=True, methods=['put'], name='Change Password')
+    def password(self, request, pk=None):
+        """Update the user's password."""
+        ...
+
+    @password.mapping.delete
+    def delete_password(self, request, pk=None):
+        """Delete the user's password."""
+        ...
+```
+
 ## Reversing action URLs
 
 If you need to get the URL of an action, use the `.reverse_action()` method. This is a convenience wrapper for `reverse()`, automatically passing the view's `request` object and prepending the `url_name` with the `.basename` attribute.
@@ -172,7 +216,14 @@ Using the example from the previous section:
 'http://localhost:8000/api/users/1/set_password'
 ```
 
-The `url_name` argument should match the same argument to the `@list_route` and `@detail_route` decorators. Additionally, this can be used to reverse the default `list` and `detail` routes.
+Alternatively, you can use the `url_name` attribute set by the `@action` decorator.
+
+```python
+>>> view.reverse_action(view.set_password.url_name, args=['1'])
+'http://localhost:8000/api/users/1/set_password'
+```
+
+The `url_name` argument for `.reverse_action()` should match the same argument to the `@action` decorator. Additionally, this method can be used to reverse the default actions, such as `list` and `create`.
 
 ---
 
@@ -221,7 +272,7 @@ Note that you can use any of the standard attributes or method overrides provide
         def get_queryset(self):
             return self.request.user.accounts.all()
 
-Note however that upon removal of the `queryset` property from your `ViewSet`, any associated [router][routers] will be unable to derive the base_name of your Model automatically, and so you will have to specify the `base_name` kwarg as part of your [router registration][routers].
+Note however that upon removal of the `queryset` property from your `ViewSet`, any associated [router][routers] will be unable to derive the basename of your Model automatically, and so you will have to specify the `basename` kwarg as part of your [router registration][routers].
 
 Also note that although this class provides the complete set of create/list/retrieve/update/destroy actions by default, you can restrict the available operations by using the standard permission classes.
 
@@ -266,5 +317,5 @@ To create a base viewset class that provides `create`, `list` and `retrieve` ope
 
 By creating your own base `ViewSet` classes, you can provide common behavior that can be reused in multiple viewsets across your API.
 
-[cite]: http://guides.rubyonrails.org/routing.html
+[cite]: https://guides.rubyonrails.org/routing.html
 [routers]: routers.md
diff --git a/docs/topics/3.0-announcement.md b/docs/community/3.0-announcement.md
similarity index 97%
rename from docs/topics/3.0-announcement.md
rename to docs/community/3.0-announcement.md
index 25c36b2ca..b9461defe 100644
--- a/docs/topics/3.0-announcement.md
+++ b/docs/community/3.0-announcement.md
@@ -32,7 +32,7 @@ Significant new functionality continues to be planned for the 3.1 and 3.2 releas
 
 #### REST framework: Under the hood.
 
-This talk from the [Django: Under the Hood](http://www.djangounderthehood.com/) event in Amsterdam, Nov 2014, gives some good background context on the design decisions behind 3.0.
+This talk from the [Django: Under the Hood](https://www.djangounderthehood.com/) event in Amsterdam, Nov 2014, gives some good background context on the design decisions behind 3.0.
 
 <iframe style="display: block; margin: 0 auto 0 auto" width="560" height="315" src="//www.youtube.com/embed/3cSsbe-tA0E" frameborder="0" allowfullscreen></iframe>
 
@@ -119,7 +119,7 @@ This would now be split out into two separate methods.
         instance.save()
         return instance
 
-	def create(self, validated_data):
+    def create(self, validated_data):
         return Snippet.objects.create(**validated_data)
 
 Note that these methods should return the newly created object instance.
@@ -258,13 +258,13 @@ If you try to use a writable nested serializer without writing a custom `create(
     >>> class ProfileSerializer(serializers.ModelSerializer):
     >>>     class Meta:
     >>>         model = Profile
-    >>>         fields = ('address', 'phone')
+    >>>         fields = ['address', 'phone']
     >>>
     >>> class UserSerializer(serializers.ModelSerializer):
     >>>     profile = ProfileSerializer()
     >>>     class Meta:
     >>>         model = User
-    >>>         fields = ('username', 'email', 'profile')
+    >>>         fields = ['username', 'email', 'profile']
     >>>
     >>> data = {
     >>>     'username': 'lizzy',
@@ -283,7 +283,7 @@ To use writable nested serialization you'll want to declare a nested field on th
 
         class Meta:
             model = User
-            fields = ('username', 'email', 'profile')
+            fields = ['username', 'email', 'profile']
 
         def create(self, validated_data):
             profile_data = validated_data.pop('profile')
@@ -327,9 +327,9 @@ The `write_only_fields` option on `ModelSerializer` has been moved to `PendingDe
     class MySerializer(serializer.ModelSerializer):
         class Meta:
             model = MyModel
-            fields = ('id', 'email', 'notes', 'is_admin')
+            fields = ['id', 'email', 'notes', 'is_admin']
             extra_kwargs = {
-            	    'is_admin': {'write_only': True}
+                    'is_admin': {'write_only': True}
             }
 
 Alternatively, specify the field explicitly on the serializer class:
@@ -339,7 +339,7 @@ Alternatively, specify the field explicitly on the serializer class:
 
         class Meta:
             model = MyModel
-            fields = ('id', 'email', 'notes', 'is_admin')
+            fields = ['id', 'email', 'notes', 'is_admin']
 
 The `read_only_fields` option remains as a convenient shortcut for the more common case.
 
@@ -350,7 +350,7 @@ The `view_name` and `lookup_field` options have been moved to `PendingDeprecatio
     class MySerializer(serializer.HyperlinkedModelSerializer):
         class Meta:
             model = MyModel
-            fields = ('url', 'email', 'notes', 'is_admin')
+            fields = ['url', 'email', 'notes', 'is_admin']
             extra_kwargs = {
                 'url': {'lookup_field': 'uuid'}
             }
@@ -365,7 +365,7 @@ Alternatively, specify the field explicitly on the serializer class:
 
         class Meta:
             model = MyModel
-            fields = ('url', 'email', 'notes', 'is_admin')
+            fields = ['url', 'email', 'notes', 'is_admin']
 
 #### Fields for model methods and properties.
 
@@ -384,12 +384,12 @@ You can include `expiry_date` as a field option on a `ModelSerializer` class.
     class InvitationSerializer(serializers.ModelSerializer):
         class Meta:
             model = Invitation
-            fields = ('to_email', 'message', 'expiry_date')
+            fields = ['to_email', 'message', 'expiry_date']
 
 These fields will be mapped to `serializers.ReadOnlyField()` instances.
 
     >>> serializer = InvitationSerializer()
-    >>> print repr(serializer)
+    >>> print(repr(serializer))
     InvitationSerializer():
         to_email = EmailField(max_length=75)
         message = CharField(max_length=1000)
@@ -454,7 +454,7 @@ We can now use this class to serialize single `HighScore` instances:
     def high_score(request, pk):
         instance = HighScore.objects.get(pk=pk)
         serializer = HighScoreSerializer(instance)
-	    return Response(serializer.data)
+        return Response(serializer.data)
 
 Or use it to serialize multiple instances:
 
@@ -462,7 +462,7 @@ Or use it to serialize multiple instances:
     def all_high_scores(request):
         queryset = HighScore.objects.order_by('-score')
         serializer = HighScoreSerializer(queryset, many=True)
-	    return Response(serializer.data)
+        return Response(serializer.data)
 
 ##### Read-write `BaseSerializer` classes.
 
@@ -493,8 +493,8 @@ Here's a complete example of our previous `HighScoreSerializer`, that's been upd
                     'player_name': 'May not be more than 10 characters.'
                 })
 
-			# Return the validated values. This will be available as
-			# the `.validated_data` property.
+            # Return the validated values. This will be available as
+            # the `.validated_data` property.
             return {
                 'score': int(score),
                 'player_name': player_name
@@ -523,7 +523,7 @@ The following class is an example of a generic serializer that can handle coerci
         def to_representation(self, obj):
             for attribute_name in dir(obj):
                 attribute = getattr(obj, attribute_name)
-                if attribute_name('_'):
+                if attribute_name.startswith('_'):
                     # Ignore private attributes.
                     pass
                 elif hasattr(attribute, '__call__'):
@@ -738,7 +738,7 @@ The `UniqueTogetherValidator` should be applied to a serializer, and takes a `qu
         class Meta:
             validators = [UniqueTogetherValidator(
                 queryset=RaceResult.objects.all(),
-                fields=('category', 'position')
+                fields=['category', 'position']
             )]
 
 #### The `UniqueForDateValidator` classes.
@@ -959,7 +959,7 @@ The 3.2 release is planned to introduce an alternative admin-style interface to
 
 You can follow development on the GitHub site, where we use [milestones to indicate planning timescales](https://github.com/encode/django-rest-framework/milestones).
 
-[kickstarter]: http://kickstarter.com/projects/tomchristie/django-rest-framework-3
-[sponsors]: http://www.django-rest-framework.org/topics/kickstarter-announcement/#sponsors
+[kickstarter]: https://www.kickstarter.com/projects/tomchristie/django-rest-framework-3
+[sponsors]: https://www.django-rest-framework.org/community/kickstarter-announcement/#sponsors
 [mixins.py]: https://github.com/encode/django-rest-framework/blob/master/rest_framework/mixins.py
 [django-localization]: https://docs.djangoproject.com/en/stable/topics/i18n/translation/#localization-how-to-create-language-files
diff --git a/docs/topics/3.1-announcement.md b/docs/community/3.1-announcement.md
similarity index 91%
rename from docs/topics/3.1-announcement.md
rename to docs/community/3.1-announcement.md
index 6cca40665..641f313d0 100644
--- a/docs/topics/3.1-announcement.md
+++ b/docs/community/3.1-announcement.md
@@ -30,7 +30,7 @@ Note that as a result of this work a number of settings keys and generic view at
 
 Until now, there has only been a single built-in pagination style in REST framework. We now have page, limit/offset and cursor based schemes included by default.
 
-The cursor based pagination scheme is particularly smart, and is a better approach for clients iterating through large or frequently changing result sets. The scheme supports paging against non-unique indexes, by using both cursor and limit/offset information. It also allows for both forward and reverse cursor pagination. Much credit goes to David Cramer for [this blog post](http://cramer.io/2011/03/08/building-cursors-for-the-disqus-api) on the subject.
+The cursor based pagination scheme is particularly smart, and is a better approach for clients iterating through large or frequently changing result sets. The scheme supports paging against non-unique indexes, by using both cursor and limit/offset information. It also allows for both forward and reverse cursor pagination. Much credit goes to David Cramer for [this blog post](https://cra.mr/2011/03/08/building-cursors-for-the-disqus-api) on the subject.
 
 #### Pagination controls in the browsable API.
 
@@ -61,7 +61,7 @@ For example, when using `NamespaceVersioning`, and the following hyperlinked ser
     class AccountsSerializer(serializer.HyperlinkedModelSerializer):
         class Meta:
             model = Accounts
-            fields = ('account_name', 'users')
+            fields = ['account_name', 'users']
 
 The output representation would match the version used on the incoming request. Like so:
 
@@ -114,7 +114,7 @@ Note that the structure of the error responses is still the same. We still have
 
 We include built-in translations both for standard exception cases, and for serializer validation errors.
 
-The full list of supported languages can be found on our [Transifex project page](https://www.transifex.com/projects/p/django-rest-framework/).
+The full list of supported languages can be found on our [Transifex project page](https://www.transifex.com/django-rest-framework-1/django-rest-framework/).
 
 If you only wish to support a subset of the supported languages, use Django's standard `LANGUAGES` setting:
 
@@ -123,7 +123,7 @@ If you only wish to support a subset of the supported languages, use Django's st
         ('en', _('English')),
     ]
 
-For more details, see the [internationalization documentation](internationalization.md).
+For more details, see the [internationalization documentation][internationalization].
 
 Many thanks to [Craig Blaszczyk](https://github.com/jakul) for helping push this through.
 
@@ -155,14 +155,14 @@ We've now moved a number of packages out of the core of REST framework, and into
 
 We're making this change in order to help distribute the maintenance workload, and keep better focus of the core essentials of the framework.
 
-The change also means we can be more flexible with which external packages we recommend. For example, the excellently maintained [Django OAuth toolkit](https://github.com/evonove/django-oauth-toolkit) has now been promoted as our recommended option for integrating OAuth support.
+The change also means we can be more flexible with which external packages we recommend. For example, the excellently maintained [Django OAuth toolkit](https://github.com/jazzband/django-oauth-toolkit) has now been promoted as our recommended option for integrating OAuth support.
 
 The following packages are now moved out of core and should be separately installed:
 
-* OAuth - [djangorestframework-oauth](http://jpadilla.github.io/django-rest-framework-oauth/)
-* XML - [djangorestframework-xml](http://jpadilla.github.io/django-rest-framework-xml)
-* YAML - [djangorestframework-yaml](http://jpadilla.github.io/django-rest-framework-yaml)
-* JSONP - [djangorestframework-jsonp](http://jpadilla.github.io/django-rest-framework-jsonp)
+* OAuth - [djangorestframework-oauth](https://jpadilla.github.io/django-rest-framework-oauth/)
+* XML - [djangorestframework-xml](https://jpadilla.github.io/django-rest-framework-xml/)
+* YAML - [djangorestframework-yaml](https://jpadilla.github.io/django-rest-framework-yaml/)
+* JSONP - [djangorestframework-jsonp](https://jpadilla.github.io/django-rest-framework-jsonp/)
 
 It's worth reiterating that this change in policy shouldn't mean any work in your codebase other than adding a new requirement and modifying some import paths. For example to install XML rendering, you would now do:
 
@@ -205,5 +205,5 @@ This will either be made as a single 3.2 release, or split across two separate r
 [custom-exception-handler]: ../api-guide/exceptions.md#custom-exception-handling
 [pagination]: ../api-guide/pagination.md
 [versioning]: ../api-guide/versioning.md
-[internationalization]: internationalization.md
+[internationalization]: ../topics/internationalization.md
 [customizing-field-mappings]: ../api-guide/serializers.md#customizing-field-mappings
diff --git a/docs/community/3.10-announcement.md b/docs/community/3.10-announcement.md
new file mode 100644
index 000000000..578e900dc
--- /dev/null
+++ b/docs/community/3.10-announcement.md
@@ -0,0 +1,147 @@
+<style>
+.promo li a {
+    float: left;
+    width: 130px;
+    height: 20px;
+    text-align: center;
+    margin: 10px 30px;
+    padding: 150px 0 0 0;
+    background-position: 0 50%;
+    background-size: 130px auto;
+    background-repeat: no-repeat;
+    font-size: 120%;
+    color: black;
+}
+.promo li {
+    list-style: none;
+}
+</style>
+
+# Django REST framework 3.10
+
+The 3.10 release drops support for Python 2.
+
+* Our supported Python versions are now: 3.5, 3.6, and 3.7.
+* Our supported Django versions are now: 1.11, 2.0, 2.1, and 2.2.
+
+## OpenAPI Schema Generation
+
+Since we first introduced schema support in Django REST Framework 3.5, OpenAPI has emerged as the widely adopted standard for modeling Web APIs.
+
+This release begins the deprecation process for the CoreAPI based schema generation, and introduces OpenAPI schema generation in its place.
+
+---
+
+## Continuing to use CoreAPI
+
+If you're currently using the CoreAPI schemas, you'll need to make sure to
+update your REST framework settings to include `DEFAULT_SCHEMA_CLASS` explicitly.
+
+**settings.py**:
+
+```python
+REST_FRAMEWORK = {
+  ...
+  'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.coreapi.AutoSchema'
+}
+```
+
+You'll still be able to keep using CoreAPI schemas, API docs, and client for the
+foreseeable future. We'll aim to ensure that the CoreAPI schema generator remains
+available as a third party package, even once it has eventually been removed
+from REST framework, scheduled for version 3.12.
+
+We have removed the old documentation for the CoreAPI based schema generation.
+You may view the [Legacy CoreAPI documentation here][legacy-core-api-docs].
+
+----
+
+## OpenAPI Quickstart
+
+You can generate a static OpenAPI schema, using the `generateschema` management
+command.
+
+Alternately, to have the project serve an API schema, use the `get_schema_view()`
+shortcut.
+
+In your `urls.py`:
+
+```python
+from rest_framework.schemas import get_schema_view
+
+urlpatterns = [
+    # ...
+    # Use the `get_schema_view()` helper to add a `SchemaView` to project URLs.
+    #   * `title` and `description` parameters are passed to `SchemaGenerator`.
+    #   * Provide view name for use with `reverse()`.
+    path('openapi', get_schema_view(
+        title="Your Project",
+        description="API for all things …"
+    ), name='openapi-schema'),
+    # ...
+]
+```
+
+### Customization
+
+For customizations that you want to apply across the entire API, you can subclass `rest_framework.schemas.openapi.SchemaGenerator` and provide it as an argument
+to the `generateschema` command or `get_schema_view()` helper function.
+
+For specific per-view customizations, you can subclass `AutoSchema`,
+making sure to set `schema = <YourCustomClass>` on the view.
+
+For more details, see the [API Schema documentation](../api-guide/schemas.md).
+
+### API Documentation
+
+There are some great third party options for documenting your API, based on the
+OpenAPI schema.
+
+See the [Documenting you API](../topics/documenting-your-api.md) section for more details.
+
+---
+
+## Feature Roadmap
+
+Given that our OpenAPI schema generation is a new feature, it's likely that there
+will still be some iterative improvements for us to make. There will be two
+main cases here:
+
+* Expanding the supported range of OpenAPI schemas that are generated by default.
+* Improving the ability for developers to customize the output.
+
+We'll aim to bring the first type of change quickly in point releases. For the
+second kind we'd like to adopt a slower approach, to make sure we keep the API
+simple, and as widely applicable as possible, before we bring in API changes.
+
+It's also possible that we'll end up implementing API documentation and API client
+tooling that are driven by the OpenAPI schema. The `apistar` project has a
+significant amount of work towards this. However, if we do so, we'll plan
+on keeping any tooling outside of the core framework.
+
+---
+
+## Funding
+
+REST framework is a *collaboratively funded project*. If you use
+REST framework commercially we strongly encourage you to invest in its
+continued development by **[signing up for a paid plan][funding]**.
+
+*Every single sign-up helps us make REST framework long-term financially sustainable.*
+
+<ul class="premium-promo promo">
+    <li><a href="https://getsentry.com/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
+    <li><a href="https://getstream.io/try-the-api/?utm_source=drf&utm_medium=banner&utm_campaign=drf" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/stream-130.png)">Stream</a></li>
+    <li><a href="https://software.esg-usa.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/esg-new-logo.png)">ESG</a></li>
+    <li><a href="https://rollbar.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rollbar2.png)">Rollbar</a></li>
+    <li><a href="https://cadre.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/cadre.png)">Cadre</a></li>
+    <li><a href="https://hubs.ly/H0f30Lf0" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/kloudless-plus-text.png)">Kloudless</a></li>
+    <li><a href="https://lightsonsoftware.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/lightson-dark.png)">Lights On Software</a></li>
+</ul>
+<div style="clear: both; padding-bottom: 20px;"></div>
+
+*Many thanks to all our [wonderful sponsors][sponsors], and in particular to our premium backers, [Sentry](https://getsentry.com/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), [ESG](https://software.esg-usa.com/), [Rollbar](https://rollbar.com/?utm_source=django&utm_medium=sponsorship&utm_campaign=freetrial), [Cadre](https://cadre.com), [Kloudless](https://hubs.ly/H0f30Lf0), and [Lights On Software](https://lightsonsoftware.com).*
+
+[legacy-core-api-docs]:https://github.com/encode/django-rest-framework/blob/master/docs/coreapi/index.md
+[sponsors]: https://fund.django-rest-framework.org/topics/funding/#our-sponsors
+[funding]: community/funding.md
diff --git a/docs/topics/3.2-announcement.md b/docs/community/3.2-announcement.md
similarity index 97%
rename from docs/topics/3.2-announcement.md
rename to docs/community/3.2-announcement.md
index 8500a9892..a66ad5d29 100644
--- a/docs/topics/3.2-announcement.md
+++ b/docs/community/3.2-announcement.md
@@ -10,7 +10,7 @@ We've also fixed a huge number of issues, and made numerous cleanups and improve
 
 Over the course of the 3.1.x series we've [resolved nearly 600 tickets](https://github.com/encode/django-rest-framework/issues?utf8=%E2%9C%93&q=closed%3A%3E2015-03-05) on our GitHub issue tracker. This means we're currently running at a rate of **closing around 100 issues or pull requests per month**.
 
-None of this would have been possible without the support of our wonderful Kickstarter backers. If you're looking for a job in Django development we'd strongly recommend taking [a look through our sponsors](http://www.django-rest-framework.org/topics/kickstarter-announcement/#sponsors) and finding out who's hiring.
+None of this would have been possible without the support of our wonderful Kickstarter backers. If you're looking for a job in Django development we'd strongly recommend taking [a look through our sponsors](https://www.django-rest-framework.org/community/kickstarter-announcement/#sponsors) and finding out who's hiring.
 
 ## AdminRenderer
 
@@ -83,7 +83,7 @@ When using `allow_null` with `ListField` or a nested `many=True` serializer the
 
 For example, take the following field:
 
-    NestedSerializer(many=True, allow_null=True)
+    NestedSerializer(many=True, allow_null=True)
 
 Previously the validation behavior would be:
 
@@ -110,4 +110,4 @@ This release is planned to include:
 * Improvements and public API for our templated HTML forms and fields.
 * Nested object and list support in HTML forms.
 
-Thanks once again to all our sponsors and supporters.
\ No newline at end of file
+Thanks once again to all our sponsors and supporters.
diff --git a/docs/topics/3.3-announcement.md b/docs/community/3.3-announcement.md
similarity index 90%
rename from docs/topics/3.3-announcement.md
rename to docs/community/3.3-announcement.md
index 44e8dd511..5dcbe3b3b 100644
--- a/docs/topics/3.3-announcement.md
+++ b/docs/community/3.3-announcement.md
@@ -37,8 +37,8 @@ This brings our supported versions into line with Django's [currently supported
 The AJAX based support for the browsable API means that there are a number of internal cleanups in the `request` class. For the vast majority of developers this should largely remain transparent:
 
 * To support form based `PUT` and `DELETE`, or to support form content types such as JSON, you should now use the [AJAX forms][ajax-form] javascript library. This replaces the previous 'method and content type overloading' that required significant internal complexity to the request class.
-* The `accept` query parameter is no longer supported by the default content negotiation class. If you require it then you'll need to [use a custom content negotiation class](browser-enhancements.md#url-based-accept-headers).
-*  The custom `HTTP_X_HTTP_METHOD_OVERRIDE` header is no longer supported by default. If you require it then you'll need to [use custom middleware](browser-enhancements.md#http-header-based-method-overriding).
+* The `accept` query parameter is no longer supported by the default content negotiation class. If you require it then you'll need to [use a custom content negotiation class][accept-headers].
+*  The custom `HTTP_X_HTTP_METHOD_OVERRIDE` header is no longer supported by default. If you require it then you'll need to [use custom middleware][method-override].
 
 The following pagination view attributes and settings have been moved into attributes on the pagination class since 3.1. Their usage was formerly deprecated, and has now been removed entirely, in line with the deprecation policy.
 
@@ -52,7 +52,9 @@ The following pagination view attributes and settings have been moved into attri
 
 The `ModelSerializer` and `HyperlinkedModelSerializer` classes should now include either a `fields` or `exclude` option, although the `fields = '__all__'` shortcut may be used. Failing to include either of these two options is currently pending deprecation, and will be removed entirely in the 3.5 release. This behavior brings `ModelSerializer` more closely in line with Django's `ModelForm` behavior.
 
-[forms-api]: html-and-forms.md
+[forms-api]: ../topics/html-and-forms.md
 [ajax-form]: https://github.com/encode/ajax-form
-[jsonfield]: ../../api-guide/fields#jsonfield
-[django-supported-versions]: https://www.djangoproject.com/download/#supported-versions
\ No newline at end of file
+[jsonfield]: ../api-guide/fields#jsonfield
+[accept-headers]: ../topics/browser-enhancements.md#url-based-accept-headers
+[method-override]: ../topics/browser-enhancements.md#http-header-based-method-overriding
+[django-supported-versions]: https://www.djangoproject.com/download/#supported-versions
diff --git a/docs/topics/3.4-announcement.md b/docs/community/3.4-announcement.md
similarity index 88%
rename from docs/topics/3.4-announcement.md
rename to docs/community/3.4-announcement.md
index 7db145600..67192ecbb 100644
--- a/docs/topics/3.4-announcement.md
+++ b/docs/community/3.4-announcement.md
@@ -36,13 +36,13 @@ Right now we're over 60% of the way towards achieving that.
 *Every single sign-up makes a significant impact.*
 
 <ul class="premium-promo promo">
-    <li><a href="http://jobs.rover.com/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
-    <li><a href="https://getsentry.com/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
+    <li><a href="https://www.rover.com/careers/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
+    <li><a href="https://sentry.io/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
     <li><a href="https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/stream-130.png)">Stream</a></li>
 </ul>
 <div style="clear: both; padding-bottom: 20px;"></div>
 
-*Many thanks to all our [awesome sponsors][sponsors], and in particular to our premium backers, [Rover](http://jobs.rover.com/), [Sentry](https://getsentry.com/welcome/), and [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf).*
+*Many thanks to all our [awesome sponsors][sponsors], and in particular to our premium backers, [Rover](https://www.rover.com/careers/), [Sentry](https://sentry.io/welcome/), and [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf).*
 
 ---
 
@@ -178,17 +178,17 @@ The full set of itemized release notes [are available here][release-notes].
 [sponsors]: https://fund.django-rest-framework.org/topics/funding/#our-sponsors
 [moss]: mozilla-grant.md
 [funding]: funding.md
-[core-api]: http://www.coreapi.org/
+[core-api]: https://www.coreapi.org/
 [command-line-client]: api-clients#command-line-client
 [client-library]: api-clients#python-client-library
-[core-json]: http://www.coreapi.org/specification/encoding/#core-json-encoding
+[core-json]: https://www.coreapi.org/specification/encoding/#core-json-encoding
 [swagger]: https://openapis.org/specification
-[hyperschema]: http://json-schema.org/latest/json-schema-hypermedia.html
+[hyperschema]: https://json-schema.org/latest/json-schema-hypermedia.html
 [api-blueprint]: https://apiblueprint.org/
-[tut-7]: ../../tutorial/7-schemas-and-client-libraries/
-[schema-generation]: ../../api-guide/schemas/
-[api-clients]: api-clients.md
+[tut-7]: ../tutorial/7-schemas-and-client-libraries/
+[schema-generation]: ../api-guide/schemas/
+[api-clients]: ../topics/api-clients.md
 [milestone]: https://github.com/encode/django-rest-framework/milestone/35
 [release-notes]: release-notes#34
-[metadata]: ../../api-guide/metadata/#custom-metadata-classes
+[metadata]: ../api-guide/metadata/#custom-metadata-classes
 [gh3751]: https://github.com/encode/django-rest-framework/issues/3751
diff --git a/docs/topics/3.5-announcement.md b/docs/community/3.5-announcement.md
similarity index 91%
rename from docs/topics/3.5-announcement.md
rename to docs/community/3.5-announcement.md
index 701ab48eb..cce2dd050 100644
--- a/docs/topics/3.5-announcement.md
+++ b/docs/community/3.5-announcement.md
@@ -32,14 +32,14 @@ we strongly encourage you to invest in its continued development by
 **[signing up for a paid&nbsp;plan][funding]**.
 
 <ul class="premium-promo promo">
-    <li><a href="http://jobs.rover.com/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
-    <li><a href="https://getsentry.com/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
+    <li><a href="https://www.rover.com/careers/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
+    <li><a href="https://sentry.io/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
     <li><a href="https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/stream-130.png)">Stream</a></li>
-    <li><a href="http://www.machinalis.com/#services" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/Machinalis130.png)">Machinalis</a></li>
+    <li><a href="https://www.machinalis.com/#services" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/Machinalis130.png)">Machinalis</a></li>
 </ul>
 <div style="clear: both; padding-bottom: 20px;"></div>
 
-*Many thanks to all our [sponsors][sponsors], and in particular to our premium backers, [Rover](http://jobs.rover.com/), [Sentry](https://getsentry.com/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), and [Machinalis](http://www.machinalis.com/#services).*
+*Many thanks to all our [sponsors][sponsors], and in particular to our premium backers, [Rover](https://www.rover.com/careers/), [Sentry](https://sentry.io/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), and [Machinalis](https://www.machinalis.com/#services).*
 
 ---
 
@@ -256,8 +256,8 @@ in version 3.3 and raised a deprecation warning in 3.4. Its usage is now mandato
 
 [sponsors]: https://fund.django-rest-framework.org/topics/funding/#our-sponsors
 [funding]: funding.md
-[uploads]: http://core-api.github.io/python-client/api-guide/utils/#file
-[downloads]: http://core-api.github.io/python-client/api-guide/codecs/#downloadcodec
+[uploads]: https://core-api.github.io/python-client/api-guide/utils/#file
+[downloads]: https://core-api.github.io/python-client/api-guide/codecs/#downloadcodec
 [schema-generation-api]: ../api-guide/schemas/#schemagenerator
 [schema-docs]: ../api-guide/schemas/#schemas-as-documentation
 [schema-view]: ../api-guide/schemas/#the-get_schema_view-shortcut
diff --git a/docs/topics/3.6-announcement.md b/docs/community/3.6-announcement.md
similarity index 86%
rename from docs/topics/3.6-announcement.md
rename to docs/community/3.6-announcement.md
index fc3526d00..c41ad8ecb 100644
--- a/docs/topics/3.6-announcement.md
+++ b/docs/community/3.6-announcement.md
@@ -39,16 +39,16 @@ we strongly encourage you to invest in its continued development by
 **[signing up for a paid&nbsp;plan][funding]**.
 
 <ul class="premium-promo promo">
-    <li><a href="http://jobs.rover.com/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
-    <li><a href="https://getsentry.com/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
+    <li><a href="https://www.rover.com/careers/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
+    <li><a href="https://sentry.io/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
     <li><a href="https://getstream.io/try-the-api/?utm_source=drf&utm_medium=banner&utm_campaign=drf" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/stream-130.png)">Stream</a></li>
-    <li><a href="https://hello.machinalis.co.uk/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/Machinalis130.png)">Machinalis</a></li>
+    <li><a href="https://machinalis.com/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/Machinalis130.png)">Machinalis</a></li>
     <li><a href="https://rollbar.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rollbar.png)">Rollbar</a></li>
     <li><a href="https://micropyramid.com/django-rest-framework-development-services/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/mp-text-logo.png)">MicroPyramid</a></li>
 </ul>
 <div style="clear: both; padding-bottom: 20px;"></div>
 
-*Many thanks to all our [sponsors][sponsors], and in particular to our premium backers, [Rover](http://jobs.rover.com/), [Sentry](https://getsentry.com/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), [Machinalis](https://hello.machinalis.co.uk/), [Rollbar](https://rollbar.com), and [MicroPyramid](https://micropyramid.com/django-rest-framework-development-services/).*
+*Many thanks to all our [sponsors][sponsors], and in particular to our premium backers, [Rover](https://www.rover.com/careers/), [Sentry](https://sentry.io/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), [Machinalis](https://machinalis.com/), [Rollbar](https://rollbar.com), and [MicroPyramid](https://micropyramid.com/django-rest-framework-development-services/).*
 
 ---
 
@@ -60,7 +60,7 @@ REST framework's new API documentation supports a number of features:
 * Support for various authentication schemes.
 * Code snippets for the Python, JavaScript, and Command Line clients.
 
-The `coreapi` library is required as a dependancy for the API docs. Make sure
+The `coreapi` library is required as a dependency for the API docs. Make sure
 to install the latest version (2.3.0 or above). The `pygments` and `markdown`
 libraries are optional but recommended.
 
@@ -194,6 +194,6 @@ on realtime support, for the 3.7 release.
 
 [sponsors]: https://fund.django-rest-framework.org/topics/funding/#our-sponsors
 [funding]: funding.md
-[api-docs]: documenting-your-api.md
-[js-docs]: api-clients.md#javascript-client-library
-[py-docs]: api-clients.md#python-client-library
+[api-docs]: ../topics/documenting-your-api.md
+[js-docs]: ../topics/api-clients.md#javascript-client-library
+[py-docs]: ../topics/api-clients.md#python-client-library
diff --git a/docs/topics/3.7-announcement.md b/docs/community/3.7-announcement.md
similarity index 87%
rename from docs/topics/3.7-announcement.md
rename to docs/community/3.7-announcement.md
index a916f67b4..d1a39fa60 100644
--- a/docs/topics/3.7-announcement.md
+++ b/docs/community/3.7-announcement.md
@@ -33,15 +33,15 @@ If you use REST framework commercially and would like to see this work continue,
 **[signing up for a paid&nbsp;plan][funding]**.
 
 <ul class="premium-promo promo">
-    <li><a href="http://jobs.rover.com/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
-    <li><a href="https://getsentry.com/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
+    <li><a href="https://www.rover.com/careers/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
+    <li><a href="https://sentry.io/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
     <li><a href="https://getstream.io/try-the-api/?utm_source=drf&utm_medium=banner&utm_campaign=drf" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/stream-130.png)">Stream</a></li>
-    <li><a href="https://hello.machinalis.co.uk/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/Machinalis130.png)">Machinalis</a></li>
+    <li><a href="https://machinalis.com/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/Machinalis130.png)">Machinalis</a></li>
     <li><a href="https://rollbar.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rollbar.png)">Rollbar</a></li>
 </ul>
 <div style="clear: both; padding-bottom: 20px;"></div>
 
-*As well as our release sponsor, we'd like to say thanks in particular our premium backers, [Rover](http://jobs.rover.com/), [Sentry](https://getsentry.com/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), [Machinalis](https://hello.machinalis.co.uk/), and [Rollbar](https://rollbar.com).*
+*As well as our release sponsor, we'd like to say thanks in particular our premium backers, [Rover](https://www.rover.com/careers/), [Sentry](https://sentry.io/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), [Machinalis](https://machinalis.com/), and [Rollbar](https://rollbar.com).*
 
 ---
 
diff --git a/docs/community/3.8-announcement.md b/docs/community/3.8-announcement.md
new file mode 100644
index 000000000..507299782
--- /dev/null
+++ b/docs/community/3.8-announcement.md
@@ -0,0 +1,97 @@
+<style>
+.promo li a {
+    float: left;
+    width: 130px;
+    height: 20px;
+    text-align: center;
+    margin: 10px 30px;
+    padding: 150px 0 0 0;
+    background-position: 0 50%;
+    background-size: 130px auto;
+    background-repeat: no-repeat;
+    font-size: 120%;
+    color: black;
+}
+.promo li {
+    list-style: none;
+}
+</style>
+
+# Django REST framework 3.8
+
+The 3.8 release is a maintenance focused release resolving a large number of previously outstanding issues and laying
+the foundations for future changes.
+
+---
+
+## Funding
+
+If you use REST framework commercially and would like to see this work continue, we strongly encourage you to invest in its continued development by
+**[signing up for a paid&nbsp;plan][funding]**.
+
+
+*We'd like to say thanks in particular our premium backers, [Rover](https://www.rover.com/careers/), [Sentry](https://sentry.io/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), [Machinalis](https://machinalis.com/), and [Rollbar](https://rollbar.com).*
+
+---
+
+## Breaking Changes
+
+### Altered the behaviour of `read_only` plus `default` on Field.
+
+[#5886][gh5886] `read_only` fields will now **always** be excluded from writable fields.
+
+Previously `read_only` fields when combined with a `default` value would use the `default` for create and update
+operations. This was counter-intuitive in some circumstances and led to difficulties supporting dotted `source`
+attributes on nullable relations.
+
+In order to maintain the old behaviour you may need to pass the value of `read_only` fields when calling `save()` in
+the view:
+
+    def perform_create(self, serializer):
+        serializer.save(owner=self.request.user)
+
+Alternatively you may override `save()` or `create()` or `update()` on the serializer as appropriate.
+
+---
+
+## Deprecations
+
+### `action` decorator replaces `list_route` and `detail_route`
+
+[#5705][gh5705] `list_route` and `detail_route` have been merge into a single `action` decorator. This improves viewset action introspection, and will allow extra actions to be displayed in the Browsable API in future versions.
+
+Both `list_route` and `detail_route` are now pending deprecation. They will be deprecated in 3.9 and removed entirely
+in 3.10.
+
+The new `action` decorator takes a boolean `detail` argument.
+
+* Replace `detail_route` uses with `@action(detail=True)`.
+* Replace `list_route` uses with `@action(detail=False)`.
+
+
+### `exclude_from_schema`
+
+Both `APIView.exclude_from_schema` and the `exclude_from_schema` argument to the `@api_view` decorator are now deprecated. They will be removed entirely in 3.9.
+
+For `APIView` you should instead set a `schema = None` attribute on the view class.
+
+For function based views the `@schema` decorator can be used to exclude the view from the schema, by using `@schema(None)`.
+
+---
+
+## Minor fixes and improvements
+
+There are a large number of minor fixes and improvements in this release. See the [release notes](release-notes.md) page
+for a complete listing.
+
+
+## What's next
+
+We're currently working towards moving to using [OpenAPI][openapi] as our default schema output. We'll also be revisiting our API documentation generation and client libraries.
+
+We're doing some consolidation in order to make this happen. It's planned that 3.9 will drop the `coreapi` and `coreschema` libraries, and instead use `apistar` for  the API documentation generation, schema generation, and API client libraries.
+
+[funding]: funding.md
+[gh5886]: https://github.com/encode/django-rest-framework/issues/5886
+[gh5705]: https://github.com/encode/django-rest-framework/issues/5705
+[openapi]: https://www.openapis.org/
diff --git a/docs/community/3.9-announcement.md b/docs/community/3.9-announcement.md
new file mode 100644
index 000000000..1cf4464d6
--- /dev/null
+++ b/docs/community/3.9-announcement.md
@@ -0,0 +1,212 @@
+<style>
+.promo li a {
+    float: left;
+    width: 130px;
+    height: 20px;
+    text-align: center;
+    margin: 10px 30px;
+    padding: 150px 0 0 0;
+    background-position: 0 50%;
+    background-size: 130px auto;
+    background-repeat: no-repeat;
+    font-size: 120%;
+    color: black;
+}
+.promo li {
+    list-style: none;
+}
+</style>
+
+# Django REST framework 3.9
+
+The 3.9 release gives access to _extra actions_ in the Browsable API, introduces composable permissions and built-in [OpenAPI][openapi] schema support. (Formerly known as Swagger)
+
+---
+
+## Funding
+
+If you use REST framework commercially and would like to see this work continue, we strongly encourage you to invest in its continued development by
+**[signing up for a paid&nbsp;plan][funding]**.
+
+
+<ul class="premium-promo promo">
+    <li><a href="https://www.rover.com/careers/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
+    <li><a href="https://sentry.io/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
+    <li><a href="https://getstream.io/try-the-api/?utm_source=drf&utm_medium=banner&utm_campaign=drf" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/stream-130.png)">Stream</a></li>
+    <li><a href="https://auklet.io" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/auklet-new.png)">Auklet</a></li>
+    <li><a href="https://rollbar.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rollbar2.png)">Rollbar</a></li>
+    <li><a href="https://cadre.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/cadre.png)">Cadre</a></li>
+    <li><a href="https://loadimpact.com/?utm_campaign=Sponsorship%20links&utm_source=drf&utm_medium=drf" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/load-impact.png)">Load Impact</a></li>
+    <li><a href="https://hubs.ly/H0f30Lf0" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/kloudless.png)">Kloudless</a></li>
+</ul>
+<div style="clear: both; padding-bottom: 20px;"></div>
+
+*Many thanks to all our [wonderful sponsors][sponsors], and in particular to our premium backers, [Rover](https://www.rover.com/careers/), [Sentry](https://sentry.io/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), [Auklet](https://auklet.io/), [Rollbar](https://rollbar.com), [Cadre](https://cadre.com), [Load Impact](https://loadimpact.com/?utm_campaign=Sponsorship%20links&utm_source=drf&utm_medium=drf), and [Kloudless](https://hubs.ly/H0f30Lf0).*
+
+---
+
+## Built-in OpenAPI schema support
+
+REST framework now has a first-pass at directly including OpenAPI schema support. (Formerly known as Swagger)
+
+Specifically:
+
+* There are now `OpenAPIRenderer`, and `JSONOpenAPIRenderer` classes that deal with encoding `coreapi.Document` instances into OpenAPI YAML or OpenAPI JSON.
+* The `get_schema_view(...)` method now defaults to OpenAPI YAML, with CoreJSON as a secondary
+option if it is selected via HTTP content negotiation.
+* There is a new management command `generateschema`, which you can use to dump
+the schema into your repository.
+
+Here's an example of adding an OpenAPI schema to the URL conf:
+
+```python
+from rest_framework.schemas import get_schema_view
+from rest_framework.renderers import JSONOpenAPIRenderer
+
+schema_view = get_schema_view(
+    title='Server Monitoring API',
+    url='https://www.example.org/api/',
+    renderer_classes=[JSONOpenAPIRenderer]
+)
+
+urlpatterns = [
+    url('^schema.json$', schema_view),
+    ...
+]
+```
+
+And here's how you can use the `generateschema` management command:
+
+```shell
+$ python manage.py generateschema --format openapi > schema.yml
+```
+
+There's lots of different tooling that you can use for working with OpenAPI
+schemas. One option that we're working on is the [API Star](https://docs.apistar.com/)
+command line tool.
+
+You can use `apistar` to validate your API schema:
+
+```shell
+$ apistar validate --path schema.json --format openapi
+✓ Valid OpenAPI schema.
+```
+
+Or to build API documentation:
+
+```shell
+$ apistar docs --path schema.json --format openapi
+✓ Documentation built at "build/index.html".
+```
+
+API Star also includes a [dynamic client library](https://docs.apistar.com/client-library/)
+that uses an API schema to automatically provide a client library interface for making requests.
+
+## Composable permission classes
+
+You can now compose permission classes using the and/or operators, `&` and `|`.
+
+For example...
+
+```python
+permission_classes = [IsAuthenticated & (ReadOnly | IsAdmin)]
+```
+
+If you're using custom permission classes then make sure that you are subclassing
+from `BasePermission` in order to enable this support.
+
+## ViewSet _Extra Actions_ available in the Browsable API
+
+Following the introduction of the `action` decorator in v3.8, _extra actions_ defined on a ViewSet are now available
+from the Browsable API.
+
+![Extra Actions displayed in the Browsable API](https://user-images.githubusercontent.com/2370209/32976956-1ca9ab7e-cbf1-11e7-981a-a20cb1e83d63.png)
+
+When defined, a dropdown of "Extra Actions", appropriately filtered to detail/non-detail actions, is displayed.
+
+---
+
+## Supported Versions
+
+REST framework 3.9 supports Django versions 1.11, 2.0, and 2.1.
+
+---
+
+## Deprecations
+
+### `DjangoObjectPermissionsFilter` moved to third-party package.
+
+The `DjangoObjectPermissionsFilter` class is pending deprecation, will be deprecated in 3.10 and removed entirely in 3.11.
+
+It has been moved to the third-party [`djangorestframework-guardian`](https://github.com/rpkilby/django-rest-framework-guardian)
+package. Please use this instead.
+
+### Router argument/method renamed to use `basename` for consistency.
+
+* The `Router.register` `base_name` argument has been renamed in favor of `basename`.
+* The `Router.get_default_base_name` method has been renamed in favor of `Router.get_default_basename`. [#5990][gh5990]
+
+See [#5990][gh5990].
+
+[gh5990]: https://github.com/encode/django-rest-framework/pull/5990
+
+`base_name` and `get_default_base_name()` are pending deprecation. They will be deprecated in 3.10 and removed entirely in 3.11.
+
+### `action` decorator replaces `list_route` and `detail_route`
+
+Both `list_route` and `detail_route` are now deprecated in favour of the single `action` decorator.
+They will be removed entirely in 3.10.
+
+The `action` decorator takes a boolean `detail` argument.
+
+* Replace `detail_route` uses with `@action(detail=True)`.
+* Replace `list_route` uses with `@action(detail=False)`.
+
+### `exclude_from_schema`
+
+Both `APIView.exclude_from_schema` and the `exclude_from_schema` argument to the `@api_view` have now been removed.
+
+For `APIView` you should instead set a `schema = None` attribute on the view class.
+
+For function-based views the `@schema` decorator can be used to exclude the view from the schema, by using `@schema(None)`.
+
+---
+
+## Minor fixes and improvements
+
+There are a large number of minor fixes and improvements in this release. See the [release notes](release-notes.md) page for a complete listing.
+
+
+## What's next
+
+We're planning to iteratively work towards OpenAPI becoming the standard schema
+representation. This will mean that the `coreapi` dependency will gradually become
+removed, and we'll instead generate the schema directly, rather than building
+a CoreAPI `Document` object.
+
+OpenAPI has clearly become the standard for specifying Web APIs, so there's not
+much value any more in our schema-agnostic document model. Making this change
+will mean that we'll more easily be able to take advantage of the full set of
+OpenAPI functionality.
+
+This will also make a wider range of tooling available.
+
+We'll focus on continuing to develop the [API Star](https://docs.apistar.com/)
+library and client tool into a recommended option for generating API docs,
+validating API schemas, and providing a dynamic client library.
+
+There's also a huge amount of ongoing work on maturing the ASGI landscape,
+with the possibility that some of this work will eventually [feed back into
+Django](https://www.aeracode.org/2018/06/04/django-async-roadmap/).
+
+There will be further work on the [Uvicorn](https://www.uvicorn.org/)
+web server, as well as lots of functionality planned for the [Starlette](https://www.starlette.io/)
+web framework, which is building a foundational set of tooling for working with
+ASGI.
+
+
+[funding]: funding.md
+[gh5886]: https://github.com/encode/django-rest-framework/issues/5886
+[gh5705]: https://github.com/encode/django-rest-framework/issues/5705
+[openapi]: https://www.openapis.org/
+[sponsors]: https://fund.django-rest-framework.org/topics/funding/#our-sponsors
diff --git a/docs/topics/contributing.md b/docs/community/contributing.md
similarity index 92%
rename from docs/topics/contributing.md
rename to docs/community/contributing.md
index 9a413832f..cb67100d2 100644
--- a/docs/topics/contributing.md
+++ b/docs/community/contributing.md
@@ -48,9 +48,15 @@ Getting involved in triaging incoming issues is a good way to start contributing
 
 # Development
 
-To start developing on Django REST framework, clone the repo:
+To start developing on Django REST framework, first create a Fork from the
+[Django REST Framework repo][repo] on GitHub.
 
-    git clone git@github.com:encode/django-rest-framework.git
+Then clone your fork. The clone command will look like this, with your GitHub
+username instead of YOUR-USERNAME:
+
+    git clone https://github.com/YOUR-USERNAME/Spoon-Knife
+
+See GitHub's [_Fork a Repo_][how-to-fork] Guide for more help.
 
 Changes should broadly follow the [PEP 8][pep-8] style conventions, and we recommend you set up your editor to automatically indicate non-conforming styles.
 
@@ -59,7 +65,7 @@ Changes should broadly follow the [PEP 8][pep-8] style conventions, and we recom
 To run the tests, clone the repository, and then:
 
     # Setup the virtual environment
-    virtualenv env
+    python3 -m venv env
     source env/bin/activate
     pip install django
     pip install -r requirements.txt
@@ -115,7 +121,7 @@ It's also useful to remember that if you have an outstanding pull request then p
 
 GitHub's documentation for working on pull requests is [available here][pull-requests].
 
-Always run the tests before submitting pull requests, and ideally run `tox` in order to check that your modifications are compatible with both Python 2 and Python 3, and that they run properly on all supported versions of Django.
+Always run the tests before submitting pull requests, and ideally run `tox` in order to check that your modifications are compatible on all supported versions of Python and Django.
 
 Once you've made a pull request take a look at the Travis build status in the GitHub interface and make sure the tests are running as you'd expect.
 
@@ -198,15 +204,17 @@ If you want to draw attention to a note or warning, use a pair of enclosing line
     ---
 
 
-[cite]: http://www.w3.org/People/Berners-Lee/FAQ.html
+[cite]: https://www.w3.org/People/Berners-Lee/FAQ.html
 [code-of-conduct]: https://www.djangoproject.com/conduct/
 [google-group]: https://groups.google.com/forum/?fromgroups#!forum/django-rest-framework
-[so-filter]: http://stackexchange.com/filters/66475/rest-framework
+[so-filter]: https://stackexchange.com/filters/66475/rest-framework
 [issues]: https://github.com/encode/django-rest-framework/issues?state=open
-[pep-8]: http://www.python.org/dev/peps/pep-0008/
+[pep-8]: https://www.python.org/dev/peps/pep-0008/
 [travis-status]: ../img/travis-status.png
 [pull-requests]: https://help.github.com/articles/using-pull-requests
 [tox]: https://tox.readthedocs.io/en/latest/
-[markdown]: http://daringfireball.net/projects/markdown/basics
+[markdown]: https://daringfireball.net/projects/markdown/basics
 [docs]: https://github.com/encode/django-rest-framework/tree/master/docs
 [mou]: http://mouapp.com/
+[repo]: https://github.com/encode/django-rest-framework
+[how-to-fork]: https://help.github.com/articles/fork-a-repo/
diff --git a/docs/topics/funding.md b/docs/community/funding.md
similarity index 63%
rename from docs/topics/funding.md
rename to docs/community/funding.md
index f9c31e79a..662e3d5d9 100644
--- a/docs/topics/funding.md
+++ b/docs/community/funding.md
@@ -123,9 +123,10 @@ REST framework continues to be open-source and permissively licensed, but we fir
 
 ## What funding has enabled so far
 
-* The [3.4](http://www.django-rest-framework.org/topics/3.4-announcement/) and [3.5](http://www.django-rest-framework.org/topics/3.5-announcement/) releases, including schema generation for both Swagger and RAML, a Python client library, a Command Line client, and addressing of a large number of outstanding issues.
-* The [3.6](http://www.django-rest-framework.org/topics/3.6-announcement/) release, including  JavaScript client library, and API documentation, complete with auto-generated code samples.
-* The recent [3.7 release](http://www.django-rest-framework.org/topics/3.7-announcement/), made possible due to our collaborative funding model, focuses on improvements to schema generation and the interactive API documentation.
+* The [3.4](https://www.django-rest-framework.org/community/3.4-announcement/) and [3.5](https://www.django-rest-framework.org/community/3.5-announcement/) releases, including schema generation for both Swagger and RAML, a Python client library, a Command Line client, and addressing of a large number of outstanding issues.
+* The [3.6](https://www.django-rest-framework.org/community/3.6-announcement/) release, including  JavaScript client library, and API documentation, complete with auto-generated code samples.
+* The [3.7 release](https://www.django-rest-framework.org/community/3.7-announcement/), made possible due to our collaborative funding model, focuses on improvements to schema generation and the interactive API documentation.
+* The recent [3.8 release](https://www.django-rest-framework.org/community/3.8-announcement/).
 * Tom Christie, the creator of Django REST framework, working on the project full-time.
 * Around 80-90 issues and pull requests closed per month since Tom Christie started working on the project full-time.
 * A community & operations manager position part-time for 4 months, helping mature the business and grow sponsorship.
@@ -173,23 +174,23 @@ This subscription is recommended for individuals with an interest in seeing REST
 If you are using REST framework as a full-time employee, consider recommending that your company takes out a [corporate&nbsp;plan](#corporate-plans).
 
 <div class="pricing">
-				<div class="span4">
-					<div class="chart first">
-						<div class="quantity">
-							<span class="dollar">{{ symbol }}</span>
-							<span class="price">{{ rates.personal1 }}</span>
-							<span class="period">/month{% if vat %} +VAT{% endif %}</span>
-						</div>
-						<div class="plan-name">Individual</div>
-						<div class="specs freelancer">
-							<div class="spec">
-								Support ongoing development
-							</div>
-							<div class="spec">
-								Credited on the site
-							</div>
-						</div>
-						<form class="signup" action="/signup/{{ currency }}-{{ rates.personal1 }}/" method="POST">
+                <div class="span4">
+                    <div class="chart first">
+                        <div class="quantity">
+                            <span class="dollar">{{ symbol }}</span>
+                            <span class="price">{{ rates.personal1 }}</span>
+                            <span class="period">/month{% if vat %} +VAT{% endif %}</span>
+                        </div>
+                        <div class="plan-name">Individual</div>
+                        <div class="specs freelancer">
+                            <div class="spec">
+                                Support ongoing development
+                            </div>
+                            <div class="spec">
+                                Credited on the site
+                            </div>
+                        </div>
+                        <form class="signup" action="/signup/{{ currency }}-{{ rates.personal1 }}/" method="POST">
   <script
     src="https://checkout.stripe.com/checkout.js" class="stripe-button"
     data-key="{{ stripe_public }}"
@@ -203,9 +204,9 @@ If you are using REST framework as a full-time employee, consider recommending t
     data-panel-label='Sign up - {% verbatim %}{{amount}}{% endverbatim %}/mo'>
   </script>
 </form>
-					</div>
-				</div>
-			</div>
+                    </div>
+                </div>
+            </div>
 <div style="clear: both; padding-top: 50px"></div>
 
 *Billing is monthly and you can cancel at any time.*
@@ -221,23 +222,23 @@ In exchange for funding you'll also receive advertising space on our site, allow
 Our professional and premium plans also include **priority support**. At any time your engineers can escalate an issue or discussion group thread, and we'll ensure it gets a guaranteed response within the next working day.
 
 <div class="pricing">
-				<div class="span4">
-					<div class="chart first">
-						<div class="quantity">
-							<span class="dollar">{{ symbol }}</span>
-							<span class="price">{{ rates.corporate1 }}</span>
-							<span class="period">/month{% if vat %} +VAT{% endif %}</span>
-						</div>
-						<div class="plan-name">Basic</div>
-						<div class="specs startup">
-							<div class="spec">
-								Support ongoing development
-							</div>
-							<div class="spec">
-								<span class="variable">Funding page</span> ad placement
-							</div>
-						</div>
-						<form class="signup" action="/signup/{{ currency }}-{{ rates.corporate1 }}/" method="POST">
+                <div class="span4">
+                    <div class="chart first">
+                        <div class="quantity">
+                            <span class="dollar">{{ symbol }}</span>
+                            <span class="price">{{ rates.corporate1 }}</span>
+                            <span class="period">/month{% if vat %} +VAT{% endif %}</span>
+                        </div>
+                        <div class="plan-name">Basic</div>
+                        <div class="specs startup">
+                            <div class="spec">
+                                Support ongoing development
+                            </div>
+                            <div class="spec">
+                                <span class="variable">Funding page</span> ad placement
+                            </div>
+                        </div>
+                        <form class="signup" action="/signup/{{ currency }}-{{ rates.corporate1 }}/" method="POST">
   <script
     src="https://checkout.stripe.com/checkout.js" class="stripe-button"
     data-key="{{ stripe_public }}"
@@ -251,28 +252,28 @@ Our professional and premium plans also include **priority support**. At any tim
     data-panel-label='Sign up - {% verbatim %}{{amount}}{% endverbatim %}/mo'>
   </script>
 </form>
-					</div>
-				</div>
-				<div class="span4">
-					<div class="chart">
-						<div class="quantity">
-							<span class="dollar">{{ symbol }}</span>
-							<span class="price">{{ rates.corporate2 }}</span>
-							<span class="period">/month{% if vat %} +VAT{% endif %}</span>
-						</div>
-						<div class="plan-name">Professional</div>
-						<div class="specs">
+                    </div>
+                </div>
+                <div class="span4">
+                    <div class="chart">
+                        <div class="quantity">
+                            <span class="dollar">{{ symbol }}</span>
+                            <span class="price">{{ rates.corporate2 }}</span>
+                            <span class="period">/month{% if vat %} +VAT{% endif %}</span>
+                        </div>
+                        <div class="plan-name">Professional</div>
+                        <div class="specs">
                             <div class="spec">
                                 Support ongoing development
                             </div>
-							<div class="spec">
-								<span class="variable">Sidebar</span> ad placement
-							</div>
-							<div class="spec">
-								<span class="variable">Priority support</span> for your engineers
-							</div>
-						</div>
-						<form class="signup" action="/signup/{{ currency }}-{{ rates.corporate2 }}/" method="POST">
+                            <div class="spec">
+                                <span class="variable">Sidebar</span> ad placement
+                            </div>
+                            <div class="spec">
+                                <span class="variable">Priority support</span> for your engineers
+                            </div>
+                        </div>
+                        <form class="signup" action="/signup/{{ currency }}-{{ rates.corporate2 }}/" method="POST">
   <script
     src="https://checkout.stripe.com/checkout.js" class="stripe-button"
     data-key="{{ stripe_public }}"
@@ -286,31 +287,31 @@ Our professional and premium plans also include **priority support**. At any tim
     data-panel-label='Sign up - {% verbatim %}{{amount}}{% endverbatim %}/mo'>
   </script>
 </form>
-					</div>
-				</div>
-				<div class="span4">
-					<div class="chart last">
-						<div class="quantity">
-							<span class="dollar">{{ symbol }}</span>
-							<span class="price">{{ rates.corporate3 }}</span>
-							<span class="period">/month{% if vat %} +VAT{% endif %}</span>
-						</div>
-						<div class="plan-name">Premium</div>
-						<div class="specs">
+                    </div>
+                </div>
+                <div class="span4">
+                    <div class="chart last">
+                        <div class="quantity">
+                            <span class="dollar">{{ symbol }}</span>
+                            <span class="price">{{ rates.corporate3 }}</span>
+                            <span class="period">/month{% if vat %} +VAT{% endif %}</span>
+                        </div>
+                        <div class="plan-name">Premium</div>
+                        <div class="specs">
                         <div class="spec">
                             Support ongoing development
                         </div>
-							<div class="spec">
-								<span class="variable">Homepage</span> ad placement
-							</div>
-							<div class="spec">
-								<span class="variable">Sidebar</span> ad placement
-							</div>
-							<div class="spec">
-								<span class="variable">Priority support</span> for your engineers
-							</div>
-						</div>
-						<form class="signup" action="/signup/{{ currency }}-{{ rates.corporate3 }}/" method="POST">
+                            <div class="spec">
+                                <span class="variable">Homepage</span> ad placement
+                            </div>
+                            <div class="spec">
+                                <span class="variable">Sidebar</span> ad placement
+                            </div>
+                            <div class="spec">
+                                <span class="variable">Priority support</span> for your engineers
+                            </div>
+                        </div>
+                        <form class="signup" action="/signup/{{ currency }}-{{ rates.corporate3 }}/" method="POST">
   <script
     src="https://checkout.stripe.com/checkout.js" class="stripe-button"
     data-key="{{ stripe_public }}"
@@ -324,9 +325,9 @@ Our professional and premium plans also include **priority support**. At any tim
     data-panel-label='Sign up - {% verbatim %}{{amount}}{% endverbatim %}/mo'>
   </script>
 </form>
-					</div>
-				</div>
-			</div>
+                    </div>
+                </div>
+            </div>
 
 <div style="clear: both; padding-top: 50px"></div>
 
@@ -340,27 +341,27 @@ For further enquires please contact <a href=mailto:funding@django-rest-framework
 
 ## Accountability
 
-In an effort to keep the project as transparent as possible, we are releasing [monthly progress reports](http://www.encode.io/reports/october-2017) and regularly include financial reports and cost breakdowns.
+In an effort to keep the project as transparent as possible, we are releasing [monthly progress reports](https://www.encode.io/reports/march-2018/) and regularly include financial reports and cost breakdowns.
 
 <!-- Begin MailChimp Signup Form -->
 <link href="//cdn-images.mailchimp.com/embedcode/classic-10_7.css" rel="stylesheet" type="text/css">
 <style type="text/css">
-	#mc_embed_signup{background:#fff; clear:left; font:14px Helvetica,Arial,sans-serif; }
-	/* Add your own MailChimp form style overrides in your site stylesheet or in this style block.
-	   We recommend moving this block and the preceding CSS link to the HEAD of your HTML file. */
+    #mc_embed_signup{background:#fff; clear:left; font:14px Helvetica,Arial,sans-serif; }
+    /* Add your own MailChimp form style overrides in your site stylesheet or in this style block.
+       We recommend moving this block and the preceding CSS link to the HEAD of your HTML file. */
 </style>
 <div id="mc_embed_signup">
 <form action="//encode.us13.list-manage.com/subscribe/post?u=b6b66bb5e4c7cb484a85c8dd7&amp;id=e382ef68ef" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" class="validate" target="_blank" novalidate>
     <div id="mc_embed_signup_scroll">
-	<h2>Stay up to date, with our monthly progress reports...</h2>
+    <h2>Stay up to date, with our monthly progress reports...</h2>
 <div class="mc-field-group">
-	<label for="mce-EMAIL">Email Address </label>
-	<input type="email" value="" name="EMAIL" class="required email" id="mce-EMAIL">
+    <label for="mce-EMAIL">Email Address </label>
+    <input type="email" value="" name="EMAIL" class="required email" id="mce-EMAIL">
 </div>
-	<div id="mce-responses" class="clear">
-		<div class="response" id="mce-error-response" style="display:none"></div>
-		<div class="response" id="mce-success-response" style="display:none"></div>
-	</div>    <!-- real people should not fill this in and expect good things - do not remove this or risk form bot signups-->
+    <div id="mce-responses" class="clear">
+        <div class="response" id="mce-error-response" style="display:none"></div>
+        <div class="response" id="mce-success-response" style="display:none"></div>
+    </div>    <!-- real people should not fill this in and expect good things - do not remove this or risk form bot signups-->
     <div style="position: absolute; left: -5000px;" aria-hidden="true"><input type="text" name="b_b6b66bb5e4c7cb484a85c8dd7_e382ef68ef" tabindex="-1" value=""></div>
     <div class="clear"><input type="submit" value="Subscribe" name="subscribe" id="mc-embedded-subscribe" class="button"></div>
     </div>
diff --git a/docs/topics/jobs.md b/docs/community/jobs.md
similarity index 86%
rename from docs/topics/jobs.md
rename to docs/community/jobs.md
index 8ffe059ad..5f3d60b55 100644
--- a/docs/topics/jobs.md
+++ b/docs/community/jobs.md
@@ -9,9 +9,9 @@ Looking for a new Django REST Framework related role? On this site we provide a
 * [https://www.python.org/jobs/][python-org-jobs]
 * [https://djangogigs.com][django-gigs-com]
 * [https://djangojobs.net/jobs/][django-jobs-net]
-* [http://djangojobbers.com][django-jobbers-com]
+* [https://findwork.dev/django-rest-framework-jobs][findwork-dev]
 * [https://www.indeed.com/q-Django-jobs.html][indeed-com]
-* [http://stackoverflow.com/jobs/developer-jobs-using-django][stackoverflow-com]
+* [https://stackoverflow.com/jobs/developer-jobs-using-django][stackoverflow-com]
 * [https://www.upwork.com/o/jobs/browse/skill/django-framework/][upwork-com]
 * [https://www.technojobs.co.uk/django-jobs][technobjobs-co-uk]
 * [https://remoteok.io/remote-django-jobs][remoteok-io]
@@ -27,9 +27,9 @@ Wonder how else you can help? One of the best ways you can help Django REST Fram
 [python-org-jobs]: https://www.python.org/jobs/
 [django-gigs-com]: https://djangogigs.com
 [django-jobs-net]: https://djangojobs.net/jobs/
-[django-jobbers-com]: http://djangojobbers.com
+[findwork-dev]: https://findwork.dev/django-rest-framework-jobs
 [indeed-com]: https://www.indeed.com/q-Django-jobs.html
-[stackoverflow-com]: http://stackoverflow.com/jobs/developer-jobs-using-django
+[stackoverflow-com]: https://stackoverflow.com/jobs/developer-jobs-using-django
 [upwork-com]: https://www.upwork.com/o/jobs/browse/skill/django-framework/
 [technobjobs-co-uk]: https://www.technojobs.co.uk/django-jobs
 [remoteok-io]: https://remoteok.io/remote-django-jobs
diff --git a/docs/topics/kickstarter-announcement.md b/docs/community/kickstarter-announcement.md
similarity index 71%
rename from docs/topics/kickstarter-announcement.md
rename to docs/community/kickstarter-announcement.md
index 6b7b428d1..27e77ceb5 100644
--- a/docs/topics/kickstarter-announcement.md
+++ b/docs/community/kickstarter-announcement.md
@@ -47,8 +47,8 @@ Our platinum sponsors have each made a hugely substantial contribution to the fu
 </ul>
 
 <ul class="sponsor platinum">
-<li><a href="https://www.divio.ch/" rel="nofollow" style="background-image:url(../../img/sponsors/1-divio.png);">Divio</a></li>
-<li><a href="http://company.onlulu.com/en/" rel="nofollow" style="background-image:url(../../img/sponsors/1-lulu.png);">Lulu</a></li>
+<li><a href="https://www.divio.com/" rel="nofollow" style="background-image:url(../../img/sponsors/1-divio.png);">Divio</a></li>
+<li><a href="https://onlulu.com" rel="nofollow" style="background-image:url(../../img/sponsors/1-lulu.png);">Lulu</a></li>
 <li><a href="https://p.ota.to/" rel="nofollow" style="background-image:url(../../img/sponsors/1-potato.png);">Potato</a></li>
 <li><a href="http://www.wiredrive.com/" rel="nofollow" style="background-image:url(../../img/sponsors/1-wiredrive.png);">Wiredrive</a></li>
 <li><a href="http://www.cyaninc.com/" rel="nofollow" style="background-image:url(../../img/sponsors/1-cyan.png);">Cyan</a></li>
@@ -72,27 +72,27 @@ Our gold sponsors include companies large and small. Many thanks for their signi
 <li><a href="https://www.schubergphilis.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-schuberg_philis.png);">Schuberg Philis</a></li>
 <li><a href="http://prorenata.se/" rel="nofollow" style="background-image:url(../../img/sponsors/2-prorenata.png);">ProReNata AB</a></li>
 <li><a href="https://www.sgawebsites.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-sga.png);">SGA Websites</a></li>
-<li><a href="http://www.sirono.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-sirono.png);">Sirono</a></li>
-<li><a href="http://www.vinta.com.br/" rel="nofollow" style="background-image:url(../../img/sponsors/2-vinta.png);">Vinta Software Studio</a></li>
-<li><a href="http://www.rapasso.nl/index.php/en" rel="nofollow" style="background-image:url(../../img/sponsors/2-rapasso.png);">Rapasso</a></li>
+<li><a href="https://www.sirono.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-sirono.png);">Sirono</a></li>
+<li><a href="https://www.vinta.com.br/" rel="nofollow" style="background-image:url(../../img/sponsors/2-vinta.png);">Vinta Software Studio</a></li>
+<li><a href="https://www.rapasso.nl/" rel="nofollow" style="background-image:url(../../img/sponsors/2-rapasso.png);">Rapasso</a></li>
 <li><a href="https://mirusresearch.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-mirus_research.png);">Mirus Research</a></li>
-<li><a href="http://hipolabs.com" rel="nofollow" style="background-image:url(../../img/sponsors/2-hipo.png);">Hipo</a></li>
-<li><a href="http://www.byte.nl" rel="nofollow" style="background-image:url(../../img/sponsors/2-byte.png);">Byte</a></li>
-<li><a href="http://lightningkite.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-lightning_kite.png);">Lightning Kite</a></li>
+<li><a href="https://hipolabs.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-hipo.png);">Hipo</a></li>
+<li><a href="https://www.byte.nl/" rel="nofollow" style="background-image:url(../../img/sponsors/2-byte.png);">Byte</a></li>
+<li><a href="https://www.lightningkite.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-lightning_kite.png);">Lightning Kite</a></li>
 <li><a href="https://opbeat.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-opbeat.png);">Opbeat</a></li>
 <li><a href="https://koordinates.com" rel="nofollow" style="background-image:url(../../img/sponsors/2-koordinates.png);">Koordinates</a></li>
-<li><a href="http://pulsecode.ca" rel="nofollow" style="background-image:url(../../img/sponsors/2-pulsecode.png);">Pulsecode Inc.</a></li>
-<li><a href="http://singinghorsestudio.com" rel="nofollow" style="background-image:url(../../img/sponsors/2-singing-horse.png);">Singing Horse Studio Ltd.</a></li>
+<li><a rel="nofollow" style="background-image:url(../../img/sponsors/2-pulsecode.png);">Pulsecode Inc.</a></li>
+<li><a rel="nofollow" style="background-image:url(../../img/sponsors/2-singing-horse.png);">Singing Horse Studio Ltd.</a></li>
 <li><a href="https://www.heroku.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-heroku.png);">Heroku</a></li>
 <li><a href="https://www.rheinwerk-verlag.de/" rel="nofollow" style="background-image:url(../../img/sponsors/2-rheinwerk_verlag.png);">Rheinwerk Verlag</a></li>
-<li><a href="http://www.securitycompass.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-security_compass.png);">Security Compass</a></li>
+<li><a href="https://www.securitycompass.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-security_compass.png);">Security Compass</a></li>
 <li><a href="https://www.djangoproject.com/foundation/" rel="nofollow" style="background-image:url(../../img/sponsors/2-django.png);">Django Software Foundation</a></li>
 <li><a href="http://www.hipflaskapp.com" rel="nofollow" style="background-image:url(../../img/sponsors/2-hipflask.png);">Hipflask</a></li>
 <li><a href="http://www.crate.io/" rel="nofollow" style="background-image:url(../../img/sponsors/2-crate.png);">Crate</a></li>
 <li><a href="http://crypticocorp.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-cryptico.png);">Cryptico Corp</a></li>
-<li><a href="http://www.nexthub.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-nexthub.png);">NextHub</a></li>
+<li><a rel="nofollow" style="background-image:url(../../img/sponsors/2-nexthub.png);">NextHub</a></li>
 <li><a href="https://www.compile.com/" rel="nofollow" style="background-image:url(../../img/sponsors/2-compile.png);">Compile</a></li>
-<li><a href="http://wusawork.org" rel="nofollow" style="background-image:url(../../img/sponsors/2-wusawork.png);">WusaWork</a></li>
+<li><a rel="nofollow" style="background-image:url(../../img/sponsors/2-wusawork.png);">WusaWork</a></li>
 <li><a href="http://envisionlinux.org/blog" rel="nofollow">Envision Linux</a></li>
 </ul>
 
@@ -105,38 +105,38 @@ Our gold sponsors include companies large and small. Many thanks for their signi
 The serious financial contribution that our silver sponsors have made is very much appreciated. I'd like to say a particular thank&nbsp;you to individuals who have chosen to privately support the project at this level.
 
 <ul class="sponsor silver">
-<li><a href="http://www.imtapps.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-imt_computer_services.png);">IMT Computer Services</a></li>
-<li><a href="http://wildfish.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-wildfish.png);">Wildfish</a></li>
-<li><a href="http://www.thermondo.de/" rel="nofollow" style="background-image:url(../../img/sponsors/3-thermondo-gmbh.png);">Thermondo GmbH</a></li>
-<li><a href="http://providenz.fr/" rel="nofollow" style="background-image:url(../../img/sponsors/3-providenz.png);">Providenz</a></li>
+<li><a href="https://www.imtapps.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-imt_computer_services.png);">IMT Computer Services</a></li>
+<li><a href="https://wildfish.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-wildfish.png);">Wildfish</a></li>
+<li><a href="https://www.thermondo.de/" rel="nofollow" style="background-image:url(../../img/sponsors/3-thermondo-gmbh.png);">Thermondo GmbH</a></li>
+<li><a href="https://providenz.fr/" rel="nofollow" style="background-image:url(../../img/sponsors/3-providenz.png);">Providenz</a></li>
 <li><a href="https://www.alwaysdata.com" rel="nofollow" style="background-image:url(../../img/sponsors/3-alwaysdata.png);">alwaysdata.com</a></li>
-<li><a href="http://www.triggeredmessaging.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-triggered_messaging.png);">Triggered Messaging</a></li>
+<li><a href="https://www.freshrelevance.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-triggered_messaging.png);">Triggered Messaging</a></li>
 <li><a href="https://www.ipushpull.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-ipushpull.png);">PushPull Technology Ltd</a></li>
 <li><a href="http://www.transcode.de/" rel="nofollow" style="background-image:url(../../img/sponsors/3-transcode.png);">Transcode</a></li>
 <li><a href="https://garfo.io/" rel="nofollow" style="background-image:url(../../img/sponsors/3-garfo.png);">Garfo</a></li>
 <li><a href="https://goshippo.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-shippo.png);">Shippo</a></li>
 <li><a href="http://www.gizmag.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-gizmag.png);">Gizmag</a></li>
-<li><a href="http://www.tivix.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-tivix.png);">Tivix</a></li>
-<li><a href="http://www.safaribooksonline.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-safari.png);">Safari</a></li>
+<li><a href="https://www.tivix.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-tivix.png);">Tivix</a></li>
+<li><a href="https://www.safaribooksonline.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-safari.png);">Safari</a></li>
 <li><a href="http://brightloop.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-brightloop.png);">Bright Loop</a></li>
 <li><a href="http://www.aba-systems.com.au/" rel="nofollow" style="background-image:url(../../img/sponsors/3-aba.png);">ABA Systems</a></li>
 <li><a href="http://beefarm.ru/" rel="nofollow" style="background-image:url(../../img/sponsors/3-beefarm.png);">beefarm.ru</a></li>
 <li><a href="http://www.vzzual.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-vzzual.png);">Vzzual.com</a></li>
 <li><a href="http://infinite-code.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-infinite_code.png);">Infinite Code</a></li>
-<li><a href="http://crosswordtracker.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-crosswordtracker.png);">Crossword Tracker</a></li>
+<li><a href="https://crosswordtracker.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-crosswordtracker.png);">Crossword Tracker</a></li>
 <li><a href="https://www.pkgfarm.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-pkgfarm.png);">PkgFarm</a></li>
 <li><a href="http://life.tl/" rel="nofollow" style="background-image:url(../../img/sponsors/3-life_the_game.png);">Life. The Game.</a></li>
 <li><a href="http://blimp.io/" rel="nofollow" style="background-image:url(../../img/sponsors/3-blimp.png);">Blimp</a></li>
-<li><a href="http://pathwright.com" rel="nofollow" style="background-image:url(../../img/sponsors/3-pathwright.png);">Pathwright</a></li>
-<li><a href="http://fluxility.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-fluxility.png);">Fluxility</a></li>
-<li><a href="http://teonite.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-teonite.png);">Teonite</a></li>
-<li><a href="http://trackmaven.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-trackmaven.png);">TrackMaven</a></li>
-<li><a href="http://www.phurba.net/" rel="nofollow" style="background-image:url(../../img/sponsors/3-phurba.png);">Phurba</a></li>
-<li><a href="http://www.nephila.co.uk/" rel="nofollow" style="background-image:url(../../img/sponsors/3-nephila.png);">Nephila</a></li>
+<li><a href="https://www.pathwright.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-pathwright.png);">Pathwright</a></li>
+<li><a href="https://fluxility.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-fluxility.png);">Fluxility</a></li>
+<li><a href="https://teonite.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-teonite.png);">Teonite</a></li>
+<li><a href="https://trackmaven.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-trackmaven.png);">TrackMaven</a></li>
+<li><a href="https://www.phurba.net/" rel="nofollow" style="background-image:url(../../img/sponsors/3-phurba.png);">Phurba</a></li>
+<li><a href="https://www.nephila.it/it/" rel="nofollow" style="background-image:url(../../img/sponsors/3-nephila.png);">Nephila</a></li>
 <li><a href="http://www.aditium.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-aditium.png);">Aditium</a></li>
-<li><a href="http://www.eyesopen.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-openeye.png);">OpenEye Scientific Software</a></li>
+<li><a href="https://www.eyesopen.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-openeye.png);">OpenEye Scientific Software</a></li>
 <li><a href="https://holvi.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-holvi.png);">Holvi</a></li>
-<li><a href="http://cantemo.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-cantemo.gif);">Cantemo</a></li>
+<li><a href="https://www.cantemo.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-cantemo.gif);">Cantemo</a></li>
 <li><a href="https://www.makespace.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-makespace.png);">MakeSpace</a></li>
 <li><a href="https://www.ax-semantics.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-ax_semantics.png);">AX Semantics</a></li>
 <li><a href="http://istrategylabs.com/" rel="nofollow" style="background-image:url(../../img/sponsors/3-isl.png);">ISL</a></li>
@@ -144,7 +144,7 @@ The serious financial contribution that our silver sponsors have made is very mu
 
 <div style="clear: both; padding-bottom: 40px;"></div>
 
-**Individual backers**: Paul Hallett, <a href="http://www.paulwhippconsulting.com/">Paul Whipp</a>, Dylan Roy, Jannis Leidel, <a href="https://linovia.com/en/">Xavier Ordoquy</a>, <a href="http://spielmannsolutions.com/">Johannes Spielmann</a>, <a href="http://brooklynhacker.com/">Rob Spectre</a>, <a href="http://chrisheisel.com/">Chris Heisel</a>, Marwan Alsabbagh, Haris Ali, Tuomas Toivonen.
+**Individual backers**: Paul Hallett, <a href="http://www.paulwhippconsulting.com/">Paul Whipp</a>, Dylan Roy, Jannis Leidel, <a href="https://linovia.com/en/">Xavier Ordoquy</a>, <a href="http://spielmannsolutions.com/">Johannes Spielmann</a>, <a href="http://brooklynhacker.com/">Rob Spectre</a>, <a href="https://chrisheisel.com/">Chris Heisel</a>, Marwan Alsabbagh, Haris Ali, Tuomas Toivonen.
 
 ---
 
diff --git a/docs/topics/mozilla-grant.md b/docs/community/mozilla-grant.md
similarity index 72%
rename from docs/topics/mozilla-grant.md
rename to docs/community/mozilla-grant.md
index 7e6de684b..5248f5cc0 100644
--- a/docs/topics/mozilla-grant.md
+++ b/docs/community/mozilla-grant.md
@@ -4,7 +4,7 @@ We have recently been [awarded a Mozilla grant](https://blog.mozilla.org/blog/20
 
 Additionally, we will be building on the realtime support that Django Channels provides, supporting and documenting how to build realtime APIs with REST framework. Again, this will include supporting work in the associated client libraries, making it easier to build richly interactive applications.
 
-The [Core API](http://www.coreapi.org) project will provide the foundations for our client library support, and will allow us to support interaction using a wide range of schemas and hypermedia formats. It's worth noting that these client libraries won't be tightly coupled to solely REST framework APIs either, and will be able to interact with *any* API that exposes a supported schema or hypermedia format.
+The [Core API](https://www.coreapi.org/) project will provide the foundations for our client library support, and will allow us to support interaction using a wide range of schemas and hypermedia formats. It's worth noting that these client libraries won't be tightly coupled to solely REST framework APIs either, and will be able to interact with *any* API that exposes a supported schema or hypermedia format.
 
 Specifically, the work includes:
 
@@ -31,10 +31,10 @@ The next goal is to build on the realtime support offered by Django Channels, ad
 ## Accountability
 
 In order to ensure that I can be fully focused on trying to secure a sustainable
-& well-funded open source business I will be leaving my current role at [DabApps](http://www.dabapps.com)
+& well-funded open source business I will be leaving my current role at [DabApps](https://www.dabapps.com/)
 at the end of May 2016.
 
-I have formed a UK limited company, [Encode](http://www.encode.io), which will
+I have formed a UK limited company, [Encode](https://www.encode.io/), which will
 act as the business entity behind REST framework. I will be issuing monthly reports
 from Encode on progress both towards the Mozilla grant, and for development time
 funded via the [REST framework paid plans](funding.md).
@@ -42,22 +42,22 @@ funded via the [REST framework paid plans](funding.md).
 <!-- Begin MailChimp Signup Form -->
 <link href="//cdn-images.mailchimp.com/embedcode/classic-10_7.css" rel="stylesheet" type="text/css">
 <style type="text/css">
-	#mc_embed_signup{background:#fff; clear:left; font:14px Helvetica,Arial,sans-serif; }
-	/* Add your own MailChimp form style overrides in your site stylesheet or in this style block.
-	   We recommend moving this block and the preceding CSS link to the HEAD of your HTML file. */
+    #mc_embed_signup{background:#fff; clear:left; font:14px Helvetica,Arial,sans-serif; }
+    /* Add your own MailChimp form style overrides in your site stylesheet or in this style block.
+       We recommend moving this block and the preceding CSS link to the HEAD of your HTML file. */
 </style>
 <div id="mc_embed_signup">
 <form action="//encode.us13.list-manage.com/subscribe/post?u=b6b66bb5e4c7cb484a85c8dd7&amp;id=e382ef68ef" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" class="validate" target="_blank" novalidate>
     <div id="mc_embed_signup_scroll">
-	<h2>Stay up to date, with our monthly progress reports...</h2>
+    <h2>Stay up to date, with our monthly progress reports...</h2>
 <div class="mc-field-group">
-	<label for="mce-EMAIL">Email Address </label>
-	<input type="email" value="" name="EMAIL" class="required email" id="mce-EMAIL">
+    <label for="mce-EMAIL">Email Address </label>
+    <input type="email" value="" name="EMAIL" class="required email" id="mce-EMAIL">
 </div>
-	<div id="mce-responses" class="clear">
-		<div class="response" id="mce-error-response" style="display:none"></div>
-		<div class="response" id="mce-success-response" style="display:none"></div>
-	</div>    <!-- real people should not fill this in and expect good things - do not remove this or risk form bot signups-->
+    <div id="mce-responses" class="clear">
+        <div class="response" id="mce-error-response" style="display:none"></div>
+        <div class="response" id="mce-success-response" style="display:none"></div>
+    </div>    <!-- real people should not fill this in and expect good things - do not remove this or risk form bot signups-->
     <div style="position: absolute; left: -5000px;" aria-hidden="true"><input type="text" name="b_b6b66bb5e4c7cb484a85c8dd7_e382ef68ef" tabindex="-1" value=""></div>
     <div class="clear"><input type="submit" value="Subscribe" name="subscribe" id="mc-embedded-subscribe" class="button"></div>
     </div>
diff --git a/docs/topics/project-management.md b/docs/community/project-management.md
similarity index 89%
rename from docs/topics/project-management.md
rename to docs/community/project-management.md
index cc86c968a..293c65e24 100644
--- a/docs/topics/project-management.md
+++ b/docs/community/project-management.md
@@ -39,7 +39,7 @@ The following template should be used for the description of the issue, and serv
 
     This issue is for determining the maintenance team for the *** period.
 
-    Please see the [Project management](http://www.django-rest-framework.org/topics/project-management/) section of our documentation for more details.
+    Please see the [Project management](https://www.django-rest-framework.org/topics/project-management/) section of our documentation for more details.
 
     ---
 
@@ -59,7 +59,7 @@ The following template should be used for the description of the issue, and serv
 
     If you wish to be considered for this or a future date, please comment against this or subsequent issues.
 
-    To modify this process for future maintenance cycles make a pull request to the [project management](http://www.django-rest-framework.org/topics/project-management/) documentation.
+    To modify this process for future maintenance cycles make a pull request to the [project management](https://www.django-rest-framework.org/topics/project-management/) documentation.
 
 #### Responsibilities of team members
 
@@ -99,13 +99,18 @@ The following template should be used for the description of the issue, and serv
 
     During development cycle:
 
-    - [ ] Upload the new content to be translated to [transifex](http://www.django-rest-framework.org/topics/project-management/#translations).
+    - [ ] Upload the new content to be translated to [transifex](https://www.django-rest-framework.org/topics/project-management/#translations).
 
 
     Checklist:
 
     - [ ] Create pull request for [release notes](https://github.com/encode/django-rest-framework/blob/master/docs/topics/release-notes.md) based on the [*.*.* milestone](https://github.com/encode/django-rest-framework/milestones/***).
-    - [ ] Update the translations from [transifex](http://www.django-rest-framework.org/topics/project-management/#translations).
+    - [ ] Update supported versions:
+        - [ ] `setup.py` `python_requires` list
+        - [ ] `setup.py` Python & Django version trove classifiers
+        - [ ] `README` Python & Django versions
+        - [ ] `docs` Python & Django versions
+    - [ ] Update the translations from [transifex](https://www.django-rest-framework.org/topics/project-management/#translations).
     - [ ] Ensure the pull request increments the version to `*.*.*` in [`restframework/__init__.py`](https://github.com/encode/django-rest-framework/blob/master/rest_framework/__init__.py).
     - [ ] Confirm with @tomchristie that release is finalized and ready to go.
     - [ ] Ensure that release date is included in pull request.
@@ -117,7 +122,7 @@ The following template should be used for the description of the issue, and serv
     - [ ] Make a release announcement on twitter.
     - [ ] Close the milestone on GitHub.
 
-    To modify this process for future releases make a pull request to the [project management](http://www.django-rest-framework.org/topics/project-management/) documentation.
+    To modify this process for future releases make a pull request to the [project management](https://www.django-rest-framework.org/topics/project-management/) documentation.
 
 When pushing the release to PyPI ensure that your environment has been installed from our development `requirement.txt`, so that documentation and PyPI installs are consistently being built against a pinned set of packages.
 
@@ -147,7 +152,7 @@ When any user visible strings are changed, they should be uploaded to Transifex
 
     # 1. Update the source django.po file, which is the US English version.
     cd rest_framework
-    django-admin.py makemessages -l en_US
+    django-admin makemessages -l en_US
     # 2. Push the source django.po file to Transifex.
     cd ..
     tx push -s
@@ -168,7 +173,7 @@ When a translator has finished translating their work needs to be downloaded fro
     tx pull -a --minimum-perc 10
     cd rest_framework
     # 4. Compile the binary .mo files for all supported languages.
-    django-admin.py compilemessages
+    django-admin compilemessages
 
 ---
 
@@ -190,17 +195,15 @@ If `@tomchristie` ceases to participate in the project then `@j4mie` has respons
 
 The following issues still need to be addressed:
 
-* [Consider moving the repo into a proper GitHub organization][github-org].
 * Ensure `@jamie` has back-up access to the `django-rest-framework.org` domain setup and admin.
 * Document ownership of the [live example][sandbox] API.
 * Document ownership of the [mailing list][mailing-list] and IRC channel.
 * Document ownership and management of the security mailing list.
 
-[bus-factor]: http://en.wikipedia.org/wiki/Bus_factor
+[bus-factor]: https://en.wikipedia.org/wiki/Bus_factor
 [un-triaged]: https://github.com/encode/django-rest-framework/issues?q=is%3Aopen+no%3Alabel
 [transifex-project]: https://www.transifex.com/projects/p/django-rest-framework/
-[transifex-client]: https://pypi.python.org/pypi/transifex-client
+[transifex-client]: https://pypi.org/project/transifex-client/
 [translation-memory]: http://docs.transifex.com/guides/tm#let-tm-automatically-populate-translations
-[github-org]: https://github.com/encode/django-rest-framework/issues/2162
-[sandbox]: http://restframework.herokuapp.com/
+[sandbox]: https://restframework.herokuapp.com/
 [mailing-list]: https://groups.google.com/forum/#!forum/django-rest-framework
diff --git a/docs/topics/release-notes.md b/docs/community/release-notes.md
similarity index 76%
rename from docs/topics/release-notes.md
rename to docs/community/release-notes.md
index 2f2cdf1a1..283dbae67 100644
--- a/docs/topics/release-notes.md
+++ b/docs/community/release-notes.md
@@ -18,9 +18,9 @@ REST framework releases follow a formal deprecation policy, which is in line wit
 
 The timeline for deprecation of a feature present in version 1.0 would work as follows:
 
-* Version 1.1 would remain **fully backwards compatible** with 1.0, but would raise `PendingDeprecationWarning` warnings if you use the feature that are due to be deprecated.  These warnings are **silent by default**, but can be explicitly enabled when you're ready to start migrating any required changes.  For example if you start running your tests using `python -Wd manage.py test`, you'll be warned of any API changes you need to make.
+* Version 1.1 would remain **fully backwards compatible** with 1.0, but would raise `RemovedInDRF13Warning` warnings, subclassing `PendingDeprecationWarning`, if you use the feature that are due to be deprecated.  These warnings are **silent by default**, but can be explicitly enabled when you're ready to start migrating any required changes.  For example if you start running your tests using `python -Wd manage.py test`, you'll be warned of any API changes you need to make.
 
-* Version 1.2 would escalate these warnings to `DeprecationWarning`, which is loud by default.
+* Version 1.2 would escalate these warnings to subclass `DeprecationWarning`, which is loud by default.
 
 * Version 1.3 would remove the deprecated bits of API entirely.
 
@@ -32,19 +32,323 @@ To upgrade Django REST framework to the latest version, use pip:
 
     pip install -U djangorestframework
 
-You can determine your currently installed version using `pip freeze`:
+You can determine your currently installed version using `pip show`:
 
-    pip freeze | grep djangorestframework
+    pip show djangorestframework
 
 ---
 
+## 3.10.x series
+
+### 3.10.3
+
+* Include API version in OpenAPI schema generation, defaulting to empty string.
+* Add pagination properties to OpenAPI response schemas.
+* Add missing "description" property to OpenAPI response schemas.
+* Only include "required" for non-empty cases in OpenAPI schemas.
+* Fix response schemas for "DELETE" case in OpenAPI schemas.
+* Use an array type for list view response schemas.
+* Use consistent `lowerInitialCamelCase` style in OpenAPI operation IDs.
+* Fix `minLength`/`maxLength`/`minItems`/`maxItems` properties in OpenAPI schemas.
+* Only call `FileField.url` once in serialization, for improved performance.
+* Fix an edge case where throttling calcualtions could error after a configuration change.
+
+* TODO
+
+### 3.10.2
+
+**Date**: 29th July 2019
+
+* Various `OpenAPI` schema fixes.
+* Ability to specify urlconf in include_docs_urls.
+
+### 3.10.1
+
+**Date**: 17th July 2019
+
+* Don't include autocomplete fields on TokenAuth admin, since it forces constraints on custom user models & admin.
+* Require `uritemplate` for OpenAPI schema generation, but not `coreapi`.
+
+### 3.10.0
+
+**Date**: [15th July 2019][3.10.0-milestone]
+
+* Switch to OpenAPI schema generation.
+* Drop Python 2 support.
+* Add `generateschema --generator_class` CLI option
+* Updated PyYaml dependency for OpenAPI schema generation to `pyyaml>=5.1` [#6680][gh6680]
+* Resolve DeprecationWarning with markdown. [#6317][gh6317]
+* Use `user.get_username` in templates, in preference to `user.username`.
+* Fix for cursor pagination issue that could occur after object deletions.
+* Fix for nullable fields with `source="*"`
+* Always apply all throttle classes during throttling checks.
+* Updates to jQuery and Markdown dependencies.
+* Don't strict disallow redundant `SerializerMethodField` field name arguments.
+* Don't render extra actions in browable API if not authenticated.
+* Strip null characters from search parameters.
+
+## 3.9.x series
+
+### 3.9.4
+
+**Date**: 10th May 2019
+
+This is a maintenance release that fixes an error handling bug under Python 2.
+
+### 3.9.3
+
+**Date**: 29th April 2019
+
+This is the last Django REST Framework release that will support Python 2.
+Be sure to upgrade to Python 3 before upgrading to Django REST Framework 3.10.
+
+* Adjusted the compat check for django-guardian to allow the last guardian
+  version (v1.4.9) compatible with Python 2. [#6613][gh6613]
+
+### 3.9.2
+
+**Date**: [3rd March 2019][3.9.2-milestone]
+
+* Routers: invalidate `_urls` cache on `register()` [#6407][gh6407]
+* Deferred schema renderer creation to avoid requiring pyyaml. [#6416][gh6416]
+* Added 'request_forms' block to base.html [#6340][gh6340]
+* Fixed SchemaView to reset renderer on exception. [#6429][gh6429]
+* Update Django Guardian dependency. [#6430][gh6430]
+* Ensured support for Django 2.2 [#6422][gh6422] & [#6455][gh6455]
+* Made templates compatible with session-based CSRF. [#6207][gh6207]
+* Adjusted field `validators` to accept non-list iterables. [#6282][gh6282]
+* Added SearchFilter.get_search_fields() hook. [#6279][gh6279]
+* Fix DeprecationWarning when accessing collections.abc classes via collections [#6268][gh6268]
+* Allowed Q objects in limit_choices_to introspection. [#6472][gh6472]
+* Added lazy evaluation to composed permissions. [#6463][gh6463]
+* Add negation ~ operator to permissions composition [#6361][gh6361]
+* Avoided calling distinct on annotated fields in SearchFilter. [#6240][gh6240]
+* Introduced `RemovedInDRF…Warning` classes to simplify deprecations. [#6480][gh6480]
+
+### 3.9.1
+
+**Date**: [16th January 2019][3.9.1-milestone]
+
+* Resolve XSS issue in browsable API. [#6330][gh6330]
+* Upgrade Bootstrap to 3.4.0 to resolve XSS issue.
+* Resolve issues with composable permissions. [#6299][gh6299]
+* Respect `limit_choices_to` on foreign keys. [#6371][gh6371]
+
+### 3.9.0
+
+**Date**: [18th October 2018][3.9.0-milestone]
+
+* Improvements to ViewSet extra actions [#5605][gh5605]
+* Fix `action` support for ViewSet suffixes [#6081][gh6081]
+* Allow `action` docs sections [#6060][gh6060]
+* Deprecate the `Router.register` `base_name` argument in favor of `basename`. [#5990][gh5990]
+* Deprecate the `Router.get_default_base_name` method in favor of `Router.get_default_basename`. [#5990][gh5990]
+* Change `CharField` to disallow null bytes. [#6073][gh6073]
+  To revert to the old behavior, subclass `CharField` and remove `ProhibitNullCharactersValidator` from the validators.
+  ```python
+  class NullableCharField(serializers.CharField):
+      def __init__(self, *args, **kwargs):
+          super().__init__(*args, **kwargs)
+          self.validators = [v for v in self.validators if not isinstance(v, ProhibitNullCharactersValidator)]
+  ```
+* Add `OpenAPIRenderer` and `generate_schema` management command. [#6229][gh6229]
+* Add OpenAPIRenderer by default, and add schema docs. [#6233][gh6233]
+* Allow permissions to be composed [#5753][gh5753]
+* Allow nullable BooleanField in Django 2.1 [#6183][gh6183]
+* Add testing of Python 3.7 support [#6141][gh6141]
+* Test using Django 2.1 final release. [#6109][gh6109]
+* Added djangorestframework-datatables to third-party packages [#5931][gh5931]
+* Change ISO 8601 date format to exclude year/month [#5936][gh5936]
+* Update all pypi.python.org URLs to pypi.org [#5942][gh5942]
+* Ensure that html forms (multipart form data) respect optional fields [#5927][gh5927]
+* Allow hashing of ErrorDetail. [#5932][gh5932]
+* Correct schema parsing for JSONField [#5878][gh5878]
+* Render descriptions (from help_text) using safe [#5869][gh5869]
+* Removed input value from deault_error_message [#5881][gh5881]
+* Added min_value/max_value support in DurationField [#5643][gh5643]
+* Fixed instance being overwritten in pk-only optimization try/except block [#5747][gh5747]
+* Fixed AttributeError from items filter when value is None [#5981][gh5981]
+* Fixed Javascript `e.indexOf` is not a function error [#5982][gh5982]
+* Fix schemas for extra actions [#5992][gh5992]
+* Improved get_error_detail to use error_dict/error_list [#5785][gh5785]
+* Imprvied URLs in Admin renderer [#5988][gh5988]
+* Add "Community" section to docs, minor cleanup [#5993][gh5993]
+* Moved guardian imports out of compat [#6054][gh6054]
+* Deprecate the `DjangoObjectPermissionsFilter` class, moved to the `djangorestframework-guardian` package. [#6075][gh6075]
+* Drop Django 1.10 support [#5657][gh5657]
+* Only catch TypeError/ValueError for object lookups [#6028][gh6028]
+* Handle models without .objects manager in ModelSerializer. [#6111][gh6111]
+* Improve ModelSerializer.create() error message. [#6112][gh6112]
+* Fix CSRF cookie check failure when using session auth with django 1.11.6+ [#6113][gh6113]
+* Updated JWT docs. [#6138][gh6138]
+* Fix autoescape not getting passed to urlize_quoted_links filter [#6191][gh6191]
+
+
+## 3.8.x series
+
+### 3.8.2
+
+**Date**: [6th April 2018][3.8.2-milestone]
+
+* Fix `read_only` + `default` `unique_together` validation. [#5922][gh5922]
+* authtoken.views import coreapi from rest_framework.compat, not directly. [#5921][gh5921]
+* Docs: Add missing argument 'detail' to Route [#5920][gh5920]
+
+
+### 3.8.1
+
+**Date**: [4th April 2018][3.8.1-milestone]
+
+* Use old `url_name` behavior in route decorators [#5915][gh5915]
+
+    For `list_route` and `detail_route` maintain the old behavior of `url_name`,
+    basing it on the `url_path` instead of the function name.
+
+
+### 3.8.0
+
+**Date**: [3rd April 2018][3.8.0-milestone]
+
+
+* **Breaking Change**: Alter `read_only` plus `default` behaviour. [#5886][gh5886]
+
+    `read_only` fields will now **always** be excluded from writable fields.
+
+    Previously `read_only` fields with a `default` value would use the `default` for create and update operations.
+
+    In order to maintain the old behaviour you may need to pass the value of `read_only` fields when calling `save()` in
+    the view:
+
+        def perform_create(self, serializer):
+            serializer.save(owner=self.request.user)
+
+    Alternatively you may override `save()` or `create()` or `update()` on the serializer as appropriate.
+
+* Correct allow_null behaviour when required=False [#5888][gh5888]
+
+    Without an explicit `default`, `allow_null` implies a default of `null` for outgoing serialization. Previously such
+    fields were being skipped when read-only or otherwise not required.
+
+    **Possible backwards compatibility break** if you were relying on such fields being excluded from the outgoing
+    representation. In order to restore the old behaviour you can override `data` to exclude the field when `None`.
+
+    For example:
+
+        @property
+        def data(self):
+            """
+            Drop `maybe_none` field if None.
+            """
+            data = super().data
+            if 'maybe_none' in data and data['maybe_none'] is None:
+                del data['maybe_none']
+            return data
+
+* Refactor dynamic route generation and improve viewset action introspectibility. [#5705][gh5705]
+
+    `ViewSet`s have been provided with new attributes and methods that allow
+    it to introspect its set of actions and the details of the current action.
+
+    * Merged `list_route` and `detail_route` into a single `action` decorator.
+    * Get all extra actions on a `ViewSet` with `.get_extra_actions()`.
+    * Extra actions now set the `url_name` and `url_path` on the decorated method.
+    * `url_name` is now based on the function name, instead of the `url_path`,
+      as the path is not always suitable (e.g., capturing arguments in the path).
+    * Enable action url reversing through `.reverse_action()` method (added in 3.7.4)
+    * Example reverse call: `self.reverse_action(self.custom_action.url_name)`
+    * Add `detail` initkwarg to indicate if the current action is operating on a
+      collection or a single instance.
+
+    Additional changes:
+
+    * Deprecated `list_route` & `detail_route` in favor of `action` decorator with `detail` boolean.
+    * Deprecated dynamic list/detail route variants in favor of `DynamicRoute` with `detail` boolean.
+    * Refactored the router's dynamic route generation.
+    * `list_route` and `detail_route` maintain the old behavior of `url_name`,
+      basing it on the `url_path` instead of the function name.
+
+* Fix formatting of the 3.7.4 release note [#5704][gh5704]
+* Docs: Update DRF Writable Nested Serializers references [#5711][gh5711]
+* Docs: Fixed typo in auth URLs example. [#5713][gh5713]
+* Improve composite field child errors [#5655][gh5655]
+* Disable HTML inputs for dict/list fields [#5702][gh5702]
+* Fix typo in HostNameVersioning doc [#5709][gh5709]
+* Use rsplit to get module and classname for imports [#5712][gh5712]
+* Formalize URLPatternsTestCase [#5703][gh5703]
+* Add exception translation test [#5700][gh5700]
+* Test staticfiles [#5701][gh5701]
+* Add drf-yasg to documentation and schema 3rd party packages [#5720][gh5720]
+* Remove unused `compat._resolve_model()` [#5733][gh5733]
+* Drop compat workaround for unsupported Python 3.2 [#5734][gh5734]
+* Prefer `iter(dict)` over `iter(dict.keys())` [#5736][gh5736]
+* Pass `python_requires` argument to setuptools [#5739][gh5739]
+* Remove unused links from docs [#5735][gh5735]
+* Prefer https protocol for links in docs when available [#5729][gh5729]
+* Add HStoreField, postgres fields tests [#5654][gh5654]
+* Always fully qualify ValidationError in docs [#5751][gh5751]
+* Remove unreachable code from ManualSchema [#5766][gh5766]
+* Allowed customising API documentation code samples [#5752][gh5752]
+* Updated docs to use `pip show` [#5757][gh5757]
+* Load 'static' instead of 'staticfiles' in templates [#5773][gh5773]
+* Fixed a typo in `fields` docs [#5783][gh5783]
+* Refer to "NamespaceVersioning" instead of "NamespacedVersioning" in the documentation [#5754][gh5754]
+* ErrorDetail: add `__eq__`/`__ne__` and `__repr__` [#5787][gh5787]
+* Replace `background-attachment: fixed` in docs [#5777][gh5777]
+* Make 404 & 403 responses consistent with `exceptions.APIException` output [#5763][gh5763]
+* Small fix to API documentation: schemas [#5796][gh5796]
+* Fix schema generation for PrimaryKeyRelatedField [#5764][gh5764]
+* Represent serializer DictField as an Object in schema [#5765][gh5765]
+* Added docs example reimplementing ObtainAuthToken [#5802][gh5802]
+* Add schema to the ObtainAuthToken view [#5676][gh5676]
+* Fix request formdata handling [#5800][gh5800]
+* Fix authtoken views imports [#5818][gh5818]
+* Update pytest, isort [#5815][gh5815] [#5817][gh5817] [#5894][gh5894]
+* Fixed active timezone handling for non ISO8601 datetimes. [#5833][gh5833]
+* Made TemplateHTMLRenderer render IntegerField inputs when value is `0`. [#5834][gh5834]
+* Corrected endpoint in tutorial instructions [#5835][gh5835]
+* Add Django Rest Framework Role Filters to Third party packages [#5809][gh5809]
+* Use single copy of static assets. Update jQuery [#5823][gh5823]
+* Changes ternary conditionals to be PEP308 compliant [#5827][gh5827]
+* Added links to 'A Todo List API with React' and 'Blog API' tutorials [#5837][gh5837]
+* Fix comment typo in ModelSerializer [#5844][gh5844]
+* Add admin to installed apps to avoid test failures. [#5870][gh5870]
+* Fixed schema for UUIDField in SimpleMetadata. [#5872][gh5872]
+* Corrected docs on router include with namespaces. [#5843][gh5843]
+* Test using model objects for dotted source default [#5880][gh5880]
+* Allow traversing nullable related fields [#5849][gh5849]
+* Added: Tutorial: Django REST with React (Django 2.0) [#5891][gh5891]
+* Add `LimitOffsetPagination.get_count` to allow method override [#5846][gh5846]
+* Don't show hidden fields in metadata [#5854][gh5854]
+* Enable OrderingFilter to handle an empty tuple (or list) for the 'ordering' field. [#5899][gh5899]
+* Added generic 500 and 400 JSON error handlers. [#5904][gh5904]
+
+
 ## 3.7.x series
 
+### 3.7.7
+
+**Date**: [21st December 2017][3.7.7-milestone]
+
+* Fix typo to include *.mo locale files to packaging. [#5697][gh5697], [#5695][gh5695]
+
+### 3.7.6
+
+**Date**: [21st December 2017][3.7.6-milestone]
+
+* Add missing *.ico icon files to packaging.
+
+### 3.7.5
+
+**Date**: [21st December 2017][3.7.5-milestone]
+
+* Add missing *.woff2 font files to packaging. [#5692][gh5692]
+* Add missing *.mo locale files to packaging. [#5695][gh5695], [#5696][gh5696]
+
 ### 3.7.4
 
-**Date**: UNRELEASED
+**Date**: [20th December 2017][3.7.4-milestone]
 
-* Extract method for `manual_fields` processing [#5633][gh5633]
+* Schema: Extract method for `manual_fields` processing [#5633][gh5633]
 
     Allows for easier customisation of `manual_fields` processing, for example
     to provide per-method manual fields. `AutoSchema` adds `get_manual_fields`,
@@ -55,9 +359,51 @@ You can determine your currently installed version using `pip freeze`:
     Note: `AutoSchema.__init__` now ensures `manual_fields` is a list.
     Previously may have been stored internally as `None`.
 
-
-[gh5633]: https://github.com/encode/django-rest-framework/issues/5633
-
+* Remove ulrparse compatibility shim; use six instead [#5579][gh5579]
+* Drop compat wrapper for `TimeDelta.total_seconds()` [#5577][gh5577]
+* Clean up all whitespace throughout project [#5578][gh5578]
+* Compat cleanup [#5581][gh5581]
+* Add pygments CSS block in browsable API views [#5584][gh5584] [#5587][gh5587]
+* Remove `set_rollback()` from compat [#5591][gh5591]
+* Fix request body/POST access [#5590][gh5590]
+* Rename test to reference correct issue [#5610][gh5610]
+* Documentation Fixes [#5611][gh5611] [#5612][gh5612]
+* Remove references to unsupported Django versions in docs and code [#5602][gh5602]
+* Test Serializer exclude for declared fields [#5599][gh5599]
+* Fixed schema generation for filter backends [#5613][gh5613]
+* Minor cleanup for ModelSerializer tests [#5598][gh5598]
+* Reimplement request attribute access w/ `__getattr__` [#5617][gh5617]
+* Fixed SchemaJSRenderer renders invalid Javascript [#5607][gh5607]
+* Make Django 2.0 support official/explicit [#5619][gh5619]
+* Perform type check on passed request argument [#5618][gh5618]
+* Fix AttributeError hiding on request authenticators [#5600][gh5600]
+* Update test requirements [#5626][gh5626]
+* Docs: `Serializer._declared_fields` enable modifying fields on a serializer [#5629][gh5629]
+* Fix packaging [#5624][gh5624]
+* Fix readme rendering for PyPI, add readme build to CI [#5625][gh5625]
+* Update tutorial [#5622][gh5622]
+* Non-required fields with `allow_null=True` should not imply a default value [#5639][gh5639]
+* Docs: Add `allow_null` serialization output note [#5641][gh5641]
+* Update to use the Django 2.0 release in tox.ini [#5645][gh5645]
+* Fix `Serializer.data` for Browsable API rendering when provided invalid `data` [#5646][gh5646]
+* Docs: Note AutoSchema limitations on bare APIView [#5649][gh5649]
+* Add `.basename` and `.reverse_action()` to ViewSet [#5648][gh5648]
+* Docs: Fix typos in serializers documentation [#5652][gh5652]
+* Fix `override_settings` compat [#5668][gh5668]
+* Add DEFAULT_SCHEMA_CLASS setting [#5658][gh5658]
+* Add docs note re generated BooleanField being `required=False` [#5665][gh5665]
+* Add 'dist' build [#5656][gh5656]
+* Fix typo in docstring [#5678][gh5678]
+* Docs: Add `UNAUTHENTICATED_USER = None` note [#5679][gh5679]
+* Update OPTIONS example from “Documenting Your API” [#5680][gh5680]
+* Docs: Add note on object permissions for FBVs [#5681][gh5681]
+* Docs: Add example to `to_representation` docs [#5682][gh5682]
+* Add link to Classy DRF in docs [#5683][gh5683]
+* Document ViewSet.action [#5685][gh5685]
+* Fix schema docs typo [#5687][gh5687]
+* Fix URL pattern parsing in schema generation [#5689][gh5689]
+* Add example using `source=‘*’` to custom field docs. [#5688][gh5688]
+* Fix format_suffix_patterns behavior with Django 2 path() routes [#5691][gh5691]
 
 
 ### 3.7.3
@@ -118,7 +464,7 @@ You can determine your currently installed version using `pip freeze`:
 * Deprecated `exclude_from_schema` on `APIView` and `api_view` decorator. Set `schema = None` or `@schema(None)` as appropriate. [#5422][gh5422]
 * Timezone-aware `DateTimeField`s now respect active or default `timezone` during serialization, instead of always using UTC. [#5435][gh5435]
 
-    Resolves inconsistency whereby instances were serialised with supplied datetime for `create` but UTC for `retrieve`. [#3732][gh3732]
+    Resolves inconsistency whereby instances were serialized with supplied datetime for `create` but UTC for `retrieve`. [#3732][gh3732]
 
     **Possible backwards compatibility break** if you were relying on datetime strings being UTC. Have client interpret datetimes or [set default or active timezone (docs)][djangodocs-set-timezone] to UTC if needed.
 
@@ -831,13 +1177,6 @@ For older release notes, [please see the version 2.x documentation][old-release-
 [cite]: http://www.catb.org/~esr/writings/cathedral-bazaar/cathedral-bazaar/ar01s04.html
 [deprecation-policy]: #deprecation-policy
 [django-deprecation-policy]: https://docs.djangoproject.com/en/stable/internals/release-process/#internal-release-deprecation-policy
-[defusedxml-announce]: http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html
-[743]: https://github.com/encode/django-rest-framework/pull/743
-[staticfiles14]: https://docs.djangoproject.com/en/1.4/howto/static-files/#with-a-template-tag
-[staticfiles13]: https://docs.djangoproject.com/en/1.3/howto/static-files/#with-a-template-tag
-[2.1.0-notes]: https://groups.google.com/d/topic/django-rest-framework/Vv2M0CMY9bg/discussion
-[ticket-582]: https://github.com/encode/django-rest-framework/issues/582
-[rfc-6266]: http://tools.ietf.org/html/rfc6266#section-4.3
 [old-release-notes]: https://github.com/encode/django-rest-framework/blob/version-2.4.x/docs/topics/release-notes.md
 [3.6-release]: 3.6-announcement.md
 
@@ -882,7 +1221,17 @@ For older release notes, [please see the version 2.x documentation][old-release-
 [3.7.1-milestone]: https://github.com/encode/django-rest-framework/milestone/58?closed=1
 [3.7.2-milestone]: https://github.com/encode/django-rest-framework/milestone/59?closed=1
 [3.7.3-milestone]: https://github.com/encode/django-rest-framework/milestone/60?closed=1
-
+[3.7.4-milestone]: https://github.com/encode/django-rest-framework/milestone/62?closed=1
+[3.7.5-milestone]: https://github.com/encode/django-rest-framework/milestone/63?closed=1
+[3.7.6-milestone]: https://github.com/encode/django-rest-framework/milestone/64?closed=1
+[3.7.7-milestone]: https://github.com/encode/django-rest-framework/milestone/65?closed=1
+[3.8.0-milestone]: https://github.com/encode/django-rest-framework/milestone/61?closed=1
+[3.8.1-milestone]: https://github.com/encode/django-rest-framework/milestone/67?closed=1
+[3.8.2-milestone]: https://github.com/encode/django-rest-framework/milestone/68?closed=1
+[3.9.0-milestone]: https://github.com/encode/django-rest-framework/milestone/66?closed=1
+[3.9.1-milestone]: https://github.com/encode/django-rest-framework/milestone/70?closed=1
+[3.9.2-milestone]: https://github.com/encode/django-rest-framework/milestone/71?closed=1
+[3.10.0-milestone]: https://github.com/encode/django-rest-framework/milestone/69?closed=1
 
 <!-- 3.0.1 -->
 [gh2013]: https://github.com/encode/django-rest-framework/issues/2013
@@ -1089,7 +1438,6 @@ For older release notes, [please see the version 2.x documentation][old-release-
 [gh3249]: https://github.com/encode/django-rest-framework/issues/3249
 [gh3250]: https://github.com/encode/django-rest-framework/issues/3250
 [gh3275]: https://github.com/encode/django-rest-framework/issues/3275
-[gh3288]: https://github.com/encode/django-rest-framework/issues/3288
 [gh3290]: https://github.com/encode/django-rest-framework/issues/3290
 [gh3303]: https://github.com/encode/django-rest-framework/issues/3303
 [gh3313]: https://github.com/encode/django-rest-framework/issues/3313
@@ -1346,7 +1694,6 @@ For older release notes, [please see the version 2.x documentation][old-release-
 
 <!-- 3.4.4 -->
 
-[gh2829]: https://github.com/encode/django-rest-framework/issues/2829
 [gh3329]: https://github.com/encode/django-rest-framework/issues/3329
 [gh3330]: https://github.com/encode/django-rest-framework/issues/3330
 [gh3365]: https://github.com/encode/django-rest-framework/issues/3365
@@ -1587,7 +1934,6 @@ For older release notes, [please see the version 2.x documentation][old-release-
 [gh5457]: https://github.com/encode/django-rest-framework/issues/5457
 [gh5376]: https://github.com/encode/django-rest-framework/issues/5376
 [gh5422]: https://github.com/encode/django-rest-framework/issues/5422
-[gh5408]: https://github.com/encode/django-rest-framework/issues/5408
 [gh3732]: https://github.com/encode/django-rest-framework/issues/3732
 [djangodocs-set-timezone]: https://docs.djangoproject.com/en/1.11/topics/i18n/timezones/#default-time-zone-and-current-time-zone
 [gh5273]: https://github.com/encode/django-rest-framework/issues/5273
@@ -1640,3 +1986,196 @@ For older release notes, [please see the version 2.x documentation][old-release-
 
 <!-- 3.7.3 -->
 [gh5567]: https://github.com/encode/django-rest-framework/issues/5567
+
+<!-- 3.7.4 -->
+[gh5691]: https://github.com/encode/django-rest-framework/issues/5691
+[gh5688]: https://github.com/encode/django-rest-framework/issues/5688
+[gh5689]: https://github.com/encode/django-rest-framework/issues/5689
+[gh5687]: https://github.com/encode/django-rest-framework/issues/5687
+[gh5685]: https://github.com/encode/django-rest-framework/issues/5685
+[gh5683]: https://github.com/encode/django-rest-framework/issues/5683
+[gh5682]: https://github.com/encode/django-rest-framework/issues/5682
+[gh5681]: https://github.com/encode/django-rest-framework/issues/5681
+[gh5680]: https://github.com/encode/django-rest-framework/issues/5680
+[gh5679]: https://github.com/encode/django-rest-framework/issues/5679
+[gh5678]: https://github.com/encode/django-rest-framework/issues/5678
+[gh5656]: https://github.com/encode/django-rest-framework/issues/5656
+[gh5665]: https://github.com/encode/django-rest-framework/issues/5665
+[gh5658]: https://github.com/encode/django-rest-framework/issues/5658
+[gh5668]: https://github.com/encode/django-rest-framework/issues/5668
+[gh5652]: https://github.com/encode/django-rest-framework/issues/5652
+[gh5648]: https://github.com/encode/django-rest-framework/issues/5648
+[gh5649]: https://github.com/encode/django-rest-framework/issues/5649
+[gh5646]: https://github.com/encode/django-rest-framework/issues/5646
+[gh5645]: https://github.com/encode/django-rest-framework/issues/5645
+[gh5641]: https://github.com/encode/django-rest-framework/issues/5641
+[gh5639]: https://github.com/encode/django-rest-framework/issues/5639
+[gh5622]: https://github.com/encode/django-rest-framework/issues/5622
+[gh5625]: https://github.com/encode/django-rest-framework/issues/5625
+[gh5624]: https://github.com/encode/django-rest-framework/issues/5624
+[gh5629]: https://github.com/encode/django-rest-framework/issues/5629
+[gh5626]: https://github.com/encode/django-rest-framework/issues/5626
+[gh5600]: https://github.com/encode/django-rest-framework/issues/5600
+[gh5618]: https://github.com/encode/django-rest-framework/issues/5618
+[gh5619]: https://github.com/encode/django-rest-framework/issues/5619
+[gh5607]: https://github.com/encode/django-rest-framework/issues/5607
+[gh5617]: https://github.com/encode/django-rest-framework/issues/5617
+[gh5598]: https://github.com/encode/django-rest-framework/issues/5598
+[gh5613]: https://github.com/encode/django-rest-framework/issues/5613
+[gh5599]: https://github.com/encode/django-rest-framework/issues/5599
+[gh5602]: https://github.com/encode/django-rest-framework/issues/5602
+[gh5612]: https://github.com/encode/django-rest-framework/issues/5612
+[gh5611]: https://github.com/encode/django-rest-framework/issues/5611
+[gh5610]: https://github.com/encode/django-rest-framework/issues/5610
+[gh5590]: https://github.com/encode/django-rest-framework/issues/5590
+[gh5591]: https://github.com/encode/django-rest-framework/issues/5591
+[gh5587]: https://github.com/encode/django-rest-framework/issues/5587
+[gh5584]: https://github.com/encode/django-rest-framework/issues/5584
+[gh5581]: https://github.com/encode/django-rest-framework/issues/5581
+[gh5578]: https://github.com/encode/django-rest-framework/issues/5578
+[gh5577]: https://github.com/encode/django-rest-framework/issues/5577
+[gh5579]: https://github.com/encode/django-rest-framework/issues/5579
+[gh5633]: https://github.com/encode/django-rest-framework/issues/5633
+
+<!-- 3.7.5 -->
+[gh5692]: https://github.com/encode/django-rest-framework/issues/5692
+[gh5695]: https://github.com/encode/django-rest-framework/issues/5695
+[gh5696]: https://github.com/encode/django-rest-framework/issues/5696
+[gh5697]: https://github.com/encode/django-rest-framework/issues/5697
+
+<!-- 3.8.0 -->
+[gh5886]: https://github.com/encode/django-rest-framework/issues/5886
+[gh5888]: https://github.com/encode/django-rest-framework/issues/5888
+[gh5705]: https://github.com/encode/django-rest-framework/issues/5705
+[gh5796]: https://github.com/encode/django-rest-framework/issues/5796
+[gh5763]: https://github.com/encode/django-rest-framework/issues/5763
+[gh5777]: https://github.com/encode/django-rest-framework/issues/5777
+[gh5787]: https://github.com/encode/django-rest-framework/issues/5787
+[gh5754]: https://github.com/encode/django-rest-framework/issues/5754
+[gh5783]: https://github.com/encode/django-rest-framework/issues/5783
+[gh5773]: https://github.com/encode/django-rest-framework/issues/5773
+[gh5757]: https://github.com/encode/django-rest-framework/issues/5757
+[gh5752]: https://github.com/encode/django-rest-framework/issues/5752
+[gh5766]: https://github.com/encode/django-rest-framework/issues/5766
+[gh5751]: https://github.com/encode/django-rest-framework/issues/5751
+[gh5654]: https://github.com/encode/django-rest-framework/issues/5654
+[gh5729]: https://github.com/encode/django-rest-framework/issues/5729
+[gh5735]: https://github.com/encode/django-rest-framework/issues/5735
+[gh5739]: https://github.com/encode/django-rest-framework/issues/5739
+[gh5736]: https://github.com/encode/django-rest-framework/issues/5736
+[gh5734]: https://github.com/encode/django-rest-framework/issues/5734
+[gh5733]: https://github.com/encode/django-rest-framework/issues/5733
+[gh5720]: https://github.com/encode/django-rest-framework/issues/5720
+[gh5701]: https://github.com/encode/django-rest-framework/issues/5701
+[gh5700]: https://github.com/encode/django-rest-framework/issues/5700
+[gh5703]: https://github.com/encode/django-rest-framework/issues/5703
+[gh5712]: https://github.com/encode/django-rest-framework/issues/5712
+[gh5709]: https://github.com/encode/django-rest-framework/issues/5709
+[gh5702]: https://github.com/encode/django-rest-framework/issues/5702
+[gh5655]: https://github.com/encode/django-rest-framework/issues/5655
+[gh5713]: https://github.com/encode/django-rest-framework/issues/5713
+[gh5711]: https://github.com/encode/django-rest-framework/issues/5711
+[gh5704]: https://github.com/encode/django-rest-framework/issues/5704
+[gh5854]: https://github.com/encode/django-rest-framework/issues/5854
+[gh5846]: https://github.com/encode/django-rest-framework/issues/5846
+[gh5891]: https://github.com/encode/django-rest-framework/issues/5891
+[gh5849]: https://github.com/encode/django-rest-framework/issues/5849
+[gh5880]: https://github.com/encode/django-rest-framework/issues/5880
+[gh5843]: https://github.com/encode/django-rest-framework/issues/5843
+[gh5872]: https://github.com/encode/django-rest-framework/issues/5872
+[gh5870]: https://github.com/encode/django-rest-framework/issues/5870
+[gh5844]: https://github.com/encode/django-rest-framework/issues/5844
+[gh5837]: https://github.com/encode/django-rest-framework/issues/5837
+[gh5827]: https://github.com/encode/django-rest-framework/issues/5827
+[gh5823]: https://github.com/encode/django-rest-framework/issues/5823
+[gh5809]: https://github.com/encode/django-rest-framework/issues/5809
+[gh5835]: https://github.com/encode/django-rest-framework/issues/5835
+[gh5834]: https://github.com/encode/django-rest-framework/issues/5834
+[gh5833]: https://github.com/encode/django-rest-framework/issues/5833
+[gh5894]: https://github.com/encode/django-rest-framework/issues/5894
+[gh5817]: https://github.com/encode/django-rest-framework/issues/5817
+[gh5815]: https://github.com/encode/django-rest-framework/issues/5815
+[gh5818]: https://github.com/encode/django-rest-framework/issues/5818
+[gh5800]: https://github.com/encode/django-rest-framework/issues/5800
+[gh5676]: https://github.com/encode/django-rest-framework/issues/5676
+[gh5802]: https://github.com/encode/django-rest-framework/issues/5802
+[gh5765]: https://github.com/encode/django-rest-framework/issues/5765
+[gh5764]: https://github.com/encode/django-rest-framework/issues/5764
+[gh5904]: https://github.com/encode/django-rest-framework/issues/5904
+[gh5899]: https://github.com/encode/django-rest-framework/issues/5899
+
+<!-- 3.8.1 -->
+[gh5915]: https://github.com/encode/django-rest-framework/issues/5915
+
+<!-- 3.8.2 -->
+[gh5922]: https://github.com/encode/django-rest-framework/issues/5922
+[gh5921]: https://github.com/encode/django-rest-framework/issues/5921
+[gh5920]: https://github.com/encode/django-rest-framework/issues/5920
+
+<!-- 3.9.0 -->
+[gh6109]: https://github.com/encode/django-rest-framework/issues/6109
+[gh6141]: https://github.com/encode/django-rest-framework/issues/6141
+[gh6113]: https://github.com/encode/django-rest-framework/issues/6113
+[gh6112]: https://github.com/encode/django-rest-framework/issues/6112
+[gh6111]: https://github.com/encode/django-rest-framework/issues/6111
+[gh6028]: https://github.com/encode/django-rest-framework/issues/6028
+[gh5657]: https://github.com/encode/django-rest-framework/issues/5657
+[gh6054]: https://github.com/encode/django-rest-framework/issues/6054
+[gh5993]: https://github.com/encode/django-rest-framework/issues/5993
+[gh5990]: https://github.com/encode/django-rest-framework/issues/5990
+[gh5988]: https://github.com/encode/django-rest-framework/issues/5988
+[gh5785]: https://github.com/encode/django-rest-framework/issues/5785
+[gh5992]: https://github.com/encode/django-rest-framework/issues/5992
+[gh5605]: https://github.com/encode/django-rest-framework/issues/5605
+[gh5982]: https://github.com/encode/django-rest-framework/issues/5982
+[gh5981]: https://github.com/encode/django-rest-framework/issues/5981
+[gh5747]: https://github.com/encode/django-rest-framework/issues/5747
+[gh5643]: https://github.com/encode/django-rest-framework/issues/5643
+[gh5881]: https://github.com/encode/django-rest-framework/issues/5881
+[gh5869]: https://github.com/encode/django-rest-framework/issues/5869
+[gh5878]: https://github.com/encode/django-rest-framework/issues/5878
+[gh5932]: https://github.com/encode/django-rest-framework/issues/5932
+[gh5927]: https://github.com/encode/django-rest-framework/issues/5927
+[gh5942]: https://github.com/encode/django-rest-framework/issues/5942
+[gh5936]: https://github.com/encode/django-rest-framework/issues/5936
+[gh5931]: https://github.com/encode/django-rest-framework/issues/5931
+[gh6183]: https://github.com/encode/django-rest-framework/issues/6183
+[gh6075]: https://github.com/encode/django-rest-framework/issues/6075
+[gh6138]: https://github.com/encode/django-rest-framework/issues/6138
+[gh6081]: https://github.com/encode/django-rest-framework/issues/6081
+[gh6073]: https://github.com/encode/django-rest-framework/issues/6073
+[gh6191]: https://github.com/encode/django-rest-framework/issues/6191
+[gh6060]: https://github.com/encode/django-rest-framework/issues/6060
+[gh6233]: https://github.com/encode/django-rest-framework/issues/6233
+[gh5753]: https://github.com/encode/django-rest-framework/issues/5753
+[gh6229]: https://github.com/encode/django-rest-framework/issues/6229
+
+<!-- 3.9.1 -->
+[gh6330]: https://github.com/encode/django-rest-framework/issues/6330
+[gh6299]: https://github.com/encode/django-rest-framework/issues/6299
+[gh6371]: https://github.com/encode/django-rest-framework/issues/6371
+
+<!-- 3.9.2 -->
+[gh6480]: https://github.com/encode/django-rest-framework/issues/6480
+[gh6240]: https://github.com/encode/django-rest-framework/issues/6240
+[gh6361]: https://github.com/encode/django-rest-framework/issues/6361
+[gh6463]: https://github.com/encode/django-rest-framework/issues/6463
+[gh6472]: https://github.com/encode/django-rest-framework/issues/6472
+[gh6268]: https://github.com/encode/django-rest-framework/issues/6268
+[gh6279]: https://github.com/encode/django-rest-framework/issues/6279
+[gh6282]: https://github.com/encode/django-rest-framework/issues/6282
+[gh6207]: https://github.com/encode/django-rest-framework/issues/6207
+[gh6455]: https://github.com/encode/django-rest-framework/issues/6455
+[gh6422]: https://github.com/encode/django-rest-framework/issues/6422
+[gh6430]: https://github.com/encode/django-rest-framework/issues/6430
+[gh6429]: https://github.com/encode/django-rest-framework/issues/6429
+[gh6340]: https://github.com/encode/django-rest-framework/issues/6340
+[gh6416]: https://github.com/encode/django-rest-framework/issues/6416
+[gh6407]: https://github.com/encode/django-rest-framework/issues/6407
+
+<!-- 3.9.3 -->
+[gh6613]: https://github.com/encode/django-rest-framework/issues/6613
+
+<!-- 3.10.0 -->
+[gh6680]: https://github.com/encode/django-rest-framework/issues/6680
+[gh6317]: https://github.com/encode/django-rest-framework/issues/6317
diff --git a/docs/topics/third-party-packages.md b/docs/community/third-party-packages.md
similarity index 87%
rename from docs/topics/third-party-packages.md
rename to docs/community/third-party-packages.md
index 38ece4e5d..ea5d6b854 100644
--- a/docs/topics/third-party-packages.md
+++ b/docs/community/third-party-packages.md
@@ -20,7 +20,7 @@ If you have an idea for a new feature please consider how it may be packaged as
 
 You can use [this cookiecutter template][cookiecutter] for creating reusable Django REST Framework packages quickly. Cookiecutter creates projects from project templates. While optional, this cookiecutter template includes best practices from Django REST framework and other packages, as well as a Travis CI configuration, Tox configuration, and a sane setup.py for easy PyPI registration/distribution.
 
-Note: Let us know if you have an alternate cookiecuter package so we can also link to it.
+Note: Let us know if you have an alternate cookiecutter package so we can also link to it.
 
 #### Running the initial cookiecutter command
 
@@ -55,7 +55,7 @@ We recommend using [Travis CI][travis-ci], a hosted continuous integration servi
 
 To get started with Travis CI, [sign in][travis-ci] with your GitHub account. Once you're signed in, go to your [profile page][travis-profile] and enable the service hook for the repository you want.
 
-If you use the cookiecutter template, your project will already contain a `.travis.yml` file which Travis CI will use to build your project and run tests.  By default, builds are triggered everytime you push to your repository or create Pull Request.
+If you use the cookiecutter template, your project will already contain a `.travis.yml` file which Travis CI will use to build your project and run tests.  By default, builds are triggered every time you push to your repository or create Pull Request.
 
 #### Uploading to PyPI
 
@@ -183,9 +183,7 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 
 * [djangorestframework-digestauth][djangorestframework-digestauth] - Provides Digest Access Authentication support.
 * [django-oauth-toolkit][django-oauth-toolkit] - Provides OAuth 2.0 support.
-* [doac][doac] - Provides OAuth 2.0 support.
-* [djangorestframework-jwt][djangorestframework-jwt] - Provides JSON Web Token Authentication support.
-* [djangorestframework-simplejwt][djangorestframework-simplejwt] - An alternative package that provides JSON Web Token Authentication support.
+* [djangorestframework-simplejwt][djangorestframework-simplejwt] - Provides JSON Web Token Authentication support.
 * [hawkrest][hawkrest] - Provides Hawk HTTP Authorization.
 * [djangorestframework-httpsignature][djangorestframework-httpsignature] - Provides an easy to use HTTP Signature Authentication mechanism.
 * [djoser][djoser] - Provides a set of views to handle basic actions such as registration, login, logout, password reset and account activation.
@@ -199,6 +197,7 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 * [djangorestframework-composed-permissions][djangorestframework-composed-permissions] - Provides a simple way to define complex permissions.
 * [rest_condition][rest-condition] - Another extension for building complex permissions in a simple and convenient way.
 * [dry-rest-permissions][dry-rest-permissions] - Provides a simple way to define permissions for individual api actions.
+* [drf-access-policy][drf-access-policy] - Declarative and flexible permissions inspired by AWS' IAM policies.
 
 ### Serializers
 
@@ -210,6 +209,10 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 * [django-rest-framework-serializer-extensions][drf-serializer-extensions] -
   Enables black/whitelisting fields, and conditionally expanding child serializers on a per-view/request basis.
 * [djangorestframework-queryfields][djangorestframework-queryfields] - Serializer mixin allowing clients to control which fields will be sent in the API response.
+* [drf-flex-fields][drf-flex-fields] - Serializer providing dynamic field expansion and sparse field sets via URL parameters.
+* [drf-action-serializer][drf-action-serializer] - Serializer providing per-action fields config for use with ViewSets to prevent having to write multiple serializers.
+* [djangorestframework-dataclasses][djangorestframework-dataclasses] - Serializer providing automatic field generation for Python dataclasses, like the built-in ModelSerializer does for models.
+* [django-restql][django-restql] - Turn your REST API into a GraphQL like API(It allows clients to control which fields will be sent in a response, uses GraphQL like syntax, supports read and write on both flat and nested fields).
 
 ### Serializer fields
 
@@ -219,7 +222,6 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 
 ### Views
 
-* [djangorestframework-bulk][djangorestframework-bulk] - Implements generic view mixins as well as some common concrete generic views to allow to apply bulk operations via API requests.
 * [django-rest-multiple-models][django-rest-multiple-models] - Provides a generic view (and mixin) for sending multiple serialized models and/or querysets via a single API request.
 
 ### Routers
@@ -246,11 +248,12 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 * [djangorestframework-chain][djangorestframework-chain] - Allows arbitrary chaining of both relations and lookup filters.
 * [django-url-filter][django-url-filter] - Allows a safe way to filter data via human-friendly URLs. It is a generic library which is not tied to DRF but it provides easy integration with DRF.
 * [drf-url-filter][drf-url-filter] is a simple Django app to apply filters on drf `ModelViewSet`'s `Queryset` in a clean, simple and configurable way. It also supports validations on incoming query params and their values.
+* [django-rest-framework-guardian][django-rest-framework-guardian] - Provides integration with django-guardian, including the `DjangoObjectPermissionsFilter` previously found in DRF.
 
 ### Misc
 
 * [cookiecutter-django-rest][cookiecutter-django-rest] - A cookiecutter template that takes care of the setup and configuration so you can focus on making your REST apis awesome.
-* [djangorestrelationalhyperlink][djangorestrelationalhyperlink] - A hyperlinked serialiser that can can be used to alter relationships via hyperlinks, but otherwise like a hyperlink model serializer.
+* [djangorestrelationalhyperlink][djangorestrelationalhyperlink] - A hyperlinked serializer that can can be used to alter relationships via hyperlinks, but otherwise like a hyperlink model serializer.
 * [django-rest-swagger][django-rest-swagger] - An API documentation generator for Swagger UI.
 * [django-rest-framework-proxy][django-rest-framework-proxy] - Proxy to redirect incoming request to another API server.
 * [gaiarestframework][gaiarestframework] - Utils for django-rest-framework
@@ -264,6 +267,10 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 * [django-rest-framework-version-transforms][django-rest-framework-version-transforms] - Enables the use of delta transformations for versioning of DRF resource representations.
 * [django-rest-messaging][django-rest-messaging], [django-rest-messaging-centrifugo][django-rest-messaging-centrifugo] and [django-rest-messaging-js][django-rest-messaging-js] - A real-time pluggable messaging service using DRM.
 * [djangorest-alchemy][djangorest-alchemy] - SQLAlchemy support for REST framework.
+* [djangorestframework-datatables][djangorestframework-datatables] - Seamless integration between Django REST framework and [Datatables](https://datatables.net).
+* [django-rest-framework-condition][django-rest-framework-condition] - Decorators for managing HTTP cache headers for Django REST framework (ETag and Last-modified).
+* [django-rest-witchcraft][django-rest-witchcraft] - Provides DRF integration with SQLAlchemy with SQLAlchemy model serializers/viewsets and a bunch of other goodies
+* [djangorestframework-mvt][djangorestframework-mvt] - An extension for creating views that serve Postgres data as Map Box Vector Tiles.
 
 [cite]: http://www.software-ecosystems.com/Software_Ecosystems/Ecosystems.html
 [cookiecutter]: https://github.com/jpadilla/cookiecutter-django-rest-framework
@@ -271,8 +278,8 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 [create-a-repo]: https://help.github.com/articles/create-a-repo/
 [travis-ci]: https://travis-ci.org
 [travis-profile]: https://travis-ci.org/profile
-[pypi-register]: https://pypi.python.org/pypi?%3Aaction=register_form
-[semver]: http://semver.org/
+[pypi-register]: https://pypi.org/account/register/
+[semver]: https://semver.org/
 [tox-docs]: https://tox.readthedocs.io/en/latest/
 [drf-compat]: https://github.com/encode/django-rest-framework/blob/master/rest_framework/compat.py
 [rest-framework-grid]: https://www.djangopackages.com/grids/g/django-rest-framework/
@@ -284,7 +291,6 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 [discussion-group]: https://groups.google.com/forum/#!forum/django-rest-framework
 [djangorestframework-digestauth]: https://github.com/juanriaza/django-rest-framework-digestauth
 [django-oauth-toolkit]: https://github.com/evonove/django-oauth-toolkit
-[doac]: https://github.com/Rediker-Software/doac
 [djangorestframework-jwt]: https://github.com/GetBlimp/django-rest-framework-jwt
 [djangorestframework-simplejwt]: https://github.com/davesque/django-rest-framework-simplejwt
 [hawkrest]: https://github.com/kumar303/hawkrest
@@ -298,10 +304,9 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 [djangorestframework-hstore]: https://github.com/djangonauts/django-rest-framework-hstore
 [drf-compound-fields]: https://github.com/estebistec/drf-compound-fields
 [django-extra-fields]: https://github.com/Hipo/drf-extra-fields
-[djangorestframework-bulk]: https://github.com/miki725/django-rest-framework-bulk
 [django-rest-multiple-models]: https://github.com/MattBroach/DjangoRestMultipleModels
 [drf-nested-routers]: https://github.com/alanjds/drf-nested-routers
-[wq.db.rest]: http://wq.io/docs/about-rest
+[wq.db.rest]: https://wq.io/docs/about-rest
 [djangorestframework-msgpack]: https://github.com/juanriaza/django-rest-framework-msgpack
 [djangorestframework-camel-case]: https://github.com/vbabiy/djangorestframework-camel-case
 [djangorestframework-csv]: https://github.com/mjumbewu/django-rest-framework-csv
@@ -337,3 +342,13 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 [djangorestframework-queryfields]: https://github.com/wimglenn/djangorestframework-queryfields
 [drfpasswordless]: https://github.com/aaronn/django-rest-framework-passwordless
 [djangorest-alchemy]: https://github.com/dealertrack/djangorest-alchemy
+[djangorestframework-datatables]: https://github.com/izimobil/django-rest-framework-datatables
+[django-rest-framework-condition]: https://github.com/jozo/django-rest-framework-condition
+[django-rest-witchcraft]: https://github.com/shosca/django-rest-witchcraft
+[drf-access-policy]: https://github.com/rsinger86/drf-access-policy
+[drf-flex-fields]: https://github.com/rsinger86/drf-flex-fields
+[drf-action-serializer]: https://github.com/gregschmit/drf-action-serializer
+[djangorestframework-dataclasses]: https://github.com/oxan/djangorestframework-dataclasses
+[django-restql]: https://github.com/yezyilomo/django-restql
+[djangorestframework-mvt]: https://github.com/corteva/djangorestframework-mvt
+[django-rest-framework-guardian]: https://github.com/rpkilby/django-rest-framework-guardian
diff --git a/docs/topics/tutorials-and-resources.md b/docs/community/tutorials-and-resources.md
similarity index 72%
rename from docs/topics/tutorials-and-resources.md
rename to docs/community/tutorials-and-resources.md
index 245392f40..7993f54fb 100644
--- a/docs/topics/tutorials-and-resources.md
+++ b/docs/community/tutorials-and-resources.md
@@ -11,6 +11,12 @@ There are a wide range of resources available for learning and using Django REST
   <a class="book-cover" href="https://www.twoscoopspress.com/products/two-scoops-of-django-1-11">
     <img src="../../img/books/tsd-cover.png"/>
   </a>
+  <a class="book-cover" href="https://wsvincent.com/books/">
+    <img src="../../img/books/rad-cover.png"/>
+  </a>
+  <a class="book-cover" href="https://books.agiliq.com/projects/django-api-polls-tutorial/en/latest/">
+    <img src="../../img/books/bda-cover.png"/>
+  </a>
 </div>
 
 ## Tutorials
@@ -29,6 +35,9 @@ There are a wide range of resources available for learning and using Django REST
 * [Check Credentials Using Django REST Framework][check-credentials-using-django-rest-framework]
 * [Creating a Production Ready API with Python and Django REST Framework – Part 1][creating-a-production-ready-api-with-python-and-drf-part1]
 * [Creating a Production Ready API with Python and Django REST Framework – Part 2][creating-a-production-ready-api-with-python-and-drf-part2]
+* [Django REST Framework Tutorial - Build a Blog API][django-rest-framework-tutorial-build-a-blog]
+* [Django REST Framework & React Tutorial - Build a Todo List API][django-rest-framework-react-tutorial-build-a-todo-list]
+* [Tutorial: Django REST with React (Django 2.0)][django-rest-react-valentinog]
 
 
 ## Videos
@@ -75,34 +84,36 @@ There are a wide range of resources available for learning and using Django REST
 Want your Django REST Framework talk/tutorial/article to be added to our website? Or know of a resource that's not yet included here? Please [submit a pull request][submit-pr] or [email us][anna-email]!
 
 
-[beginners-guide-to-the-django-rest-framework]: http://code.tutsplus.com/tutorials/beginners-guide-to-the-django-rest-framework--cms-19786
-[getting-started-with-django-rest-framework-and-angularjs]: http://blog.kevinastone.com/getting-started-with-django-rest-framework-and-angularjs.html
-[end-to-end-web-app-with-django-rest-framework-angularjs]: http://mourafiq.com/2013/07/01/end-to-end-web-app-with-django-angular-1.html
-[start-your-api-django-rest-framework-part-1]: https://godjango.com/41-start-your-api-django-rest-framework-part-1/
-[permissions-authentication-django-rest-framework-part-2]: https://godjango.com/43-permissions-authentication-django-rest-framework-part-2/
-[viewsets-and-routers-django-rest-framework-part-3]: https://godjango.com/45-viewsets-and-routers-django-rest-framework-part-3/
-[django-rest-framework-user-endpoint]: http://richardtier.com/2014/02/25/django-rest-framework-user-endpoint/
-[check-credentials-using-django-rest-framework]: http://richardtier.com/2014/03/06/110/
+[beginners-guide-to-the-django-rest-framework]: https://code.tutsplus.com/tutorials/beginners-guide-to-the-django-rest-framework--cms-19786
+[getting-started-with-django-rest-framework-and-angularjs]: https://blog.kevinastone.com/django-rest-framework-and-angular-js
+[end-to-end-web-app-with-django-rest-framework-angularjs]: https://mourafiq.com/2013/07/01/end-to-end-web-app-with-django-angular-1.html
+[start-your-api-django-rest-framework-part-1]: https://www.youtube.com/watch?v=hqo2kk91WpE
+[permissions-authentication-django-rest-framework-part-2]: https://www.youtube.com/watch?v=R3xvUDUZxGU
+[viewsets-and-routers-django-rest-framework-part-3]: https://www.youtube.com/watch?v=2d6w4DGQ4OU
+[django-rest-framework-user-endpoint]: https://richardtier.com/2014/02/25/django-rest-framework-user-endpoint/
+[check-credentials-using-django-rest-framework]: https://richardtier.com/2014/03/06/110/
 [ember-and-django-part 1-video]: http://www.neckbeardrepublic.com/screencasts/ember-and-django-part-1
 [django-rest-framework-part-1-video]: http://www.neckbeardrepublic.com/screencasts/django-rest-framework-part-1
-[web-api-performance-profiling-django-rest-framework]: http://dabapps.com/blog/api-performance-profiling-django-rest-framework/
+[web-api-performance-profiling-django-rest-framework]: https://www.dabapps.com/blog/api-performance-profiling-django-rest-framework/
 [api-development-with-django-and-django-rest-framework]: https://bnotions.com/api-development-with-django-and-django-rest-framework/
 [cdrf.co]:http://www.cdrf.co
 [medium-django-rest-framework]: https://medium.com/django-rest-framework
 [django-rest-framework-course]: https://teamtreehouse.com/library/django-rest-framework
 [pycon-uk-2016]: https://www.youtube.com/watch?v=FjmiGh7OqVg
 [django-under-hood-2014]: https://www.youtube.com/watch?v=3cSsbe-tA0E
-[integrating-pandas-drf-and-bokeh]: http://machinalis.com/blog/pandas-django-rest-framework-bokeh/
-[controlling-uncertainty-on-web-apps-and-apis]: http://machinalis.com/blog/controlling-uncertainty-on-web-applications-and-apis/
-[full-text-search-in-drf]: http://machinalis.com/blog/full-text-search-on-django-rest-framework/
-[oauth2-authentication-with-drf]: http://machinalis.com/blog/oauth2-authentication/
-[nested-resources-with-drf]: http://machinalis.com/blog/nested-resources-with-django/
-[image-fields-with-drf]: http://machinalis.com/blog/image-fields-with-django-rest-framework/
+[integrating-pandas-drf-and-bokeh]: https://machinalis.com/blog/pandas-django-rest-framework-bokeh/
+[controlling-uncertainty-on-web-apps-and-apis]: https://machinalis.com/blog/controlling-uncertainty-on-web-applications-and-apis/
+[full-text-search-in-drf]: https://machinalis.com/blog/full-text-search-on-django-rest-framework/
+[oauth2-authentication-with-drf]: https://machinalis.com/blog/oauth2-authentication/
+[nested-resources-with-drf]: https://machinalis.com/blog/nested-resources-with-django/
+[image-fields-with-drf]: https://machinalis.com/blog/image-fields-with-django-rest-framework/
 [chatbot-using-drf-part1]: https://chatbotslife.com/chatbot-using-django-rest-framework-api-ai-slack-part-1-3-69c7e38b7b1e#.g2aceuncf
 [new-django-admin-with-drf-and-emberjs]: https://blog.levit.be/new-django-admin-with-emberjs-what-are-the-news/
-[drf-schema]: http://drf-schema-adapter.readthedocs.io/en/latest/
+[drf-schema]: https://drf-schema-adapter.readthedocs.io/en/latest/
 [creating-a-production-ready-api-with-python-and-drf-part1]: https://www.andreagrandi.it/2016/09/28/creating-production-ready-api-python-django-rest-framework-part-1/
 [creating-a-production-ready-api-with-python-and-drf-part2]: https://www.andreagrandi.it/2016/10/01/creating-a-production-ready-api-with-python-and-django-rest-framework-part-2/
+[django-rest-framework-tutorial-build-a-blog]: https://wsvincent.com/django-rest-framework-tutorial/
+[django-rest-framework-react-tutorial-build-a-todo-list]: https://wsvincent.com/django-rest-framework-react-tutorial/
 [django-rest-api-so-easy]: https://www.youtube.com/watch?v=cqP758k1BaQ
 [full-fledged-rest-api-with-django-oauth-tookit]: https://www.youtube.com/watch?v=M6Ud3qC2tTk
 [drf-in-your-pjs]: https://www.youtube.com/watch?v=xMtHsWa72Ww
@@ -112,7 +123,8 @@ Want your Django REST Framework talk/tutorial/article to be added to our website
 [blog-api-with-drf]: https://www.youtube.com/watch?v=XMu0T6L2KRQ&list=PLEsfXFp6DpzTOcOVdZF-th7BS_GYGguAS
 [drf-an-intro]: https://realpython.com/blog/python/django-rest-framework-quick-start/
 [drf-tutorial]: https://tests4geeks.com/django-rest-framework-tutorial/
-[building-a-restful-api-with-drf]: http://agiliq.com/blog/2014/12/building-a-restful-api-with-django-rest-framework/
+[building-a-restful-api-with-drf]: https://agiliq.com/blog/2014/12/building-a-restful-api-with-django-rest-framework/
 [submit-pr]: https://github.com/encode/django-rest-framework
 [anna-email]: mailto:anna@django-rest-framework.org
 [pycon-us-2017]: https://www.youtube.com/watch?v=Rk6MHZdust4
+[django-rest-react-valentinog]: https://www.valentinog.com/blog/tutorial-api-django-rest-react/
diff --git a/docs/tutorial/7-schemas-and-client-libraries.md b/docs/coreapi/7-schemas-and-client-libraries.md
similarity index 93%
rename from docs/tutorial/7-schemas-and-client-libraries.md
rename to docs/coreapi/7-schemas-and-client-libraries.md
index 26ee86871..203d81ea5 100644
--- a/docs/tutorial/7-schemas-and-client-libraries.md
+++ b/docs/coreapi/7-schemas-and-client-libraries.md
@@ -29,9 +29,10 @@ automatically generated schemas. Since we're using viewsets and routers,
 we can simply use the automatic schema generation.
 
 You'll need to install the `coreapi` python package in order to include an
-API schema.
+API schema, and `pyyaml` to render the schema into the commonly used
+YAML-based OpenAPI format.
 
-    $ pip install coreapi
+    $ pip install coreapi pyyaml
 
 We can now include a schema for our API, by including an autogenerated schema
 view in our URL configuration.
@@ -42,12 +43,12 @@ from rest_framework.schemas import get_schema_view
 schema_view = get_schema_view(title='Pastebin API')
 
 urlpatterns = [
-    url(r'^schema/$', schema_view),
+    path('schema/', schema_view),
     ...
 ]
 ```
 
-If you visit the API root endpoint in a browser you should now see `corejson`
+If you visit the `/schema/` endpoint in a browser you should now see `corejson`
 representation become available as an option.
 
 ![Schema format](../img/corejson-format.png)
@@ -89,7 +90,7 @@ Now check that it is available on the command line...
 
       Command line client for interacting with CoreAPI services.
 
-      Visit http://www.coreapi.org for more information.
+      Visit https://www.coreapi.org/ for more information.
 
     Options:
       --version  Display the package version number.
@@ -220,11 +221,11 @@ We've reached the end of our tutorial.  If you want to get more involved in the
 
 **Now go build awesome things.**
 
-[coreapi]: http://www.coreapi.org
-[corejson]: http://www.coreapi.org/specification/encoding/#core-json-encoding
+[coreapi]: https://www.coreapi.org/
+[corejson]: https://www.coreapi.org/specification/encoding/#core-json-encoding
 [openapi]: https://openapis.org/
 [repo]: https://github.com/encode/rest-framework-tutorial
-[sandbox]: http://restframework.herokuapp.com/
+[sandbox]: https://restframework.herokuapp.com/
 [github]: https://github.com/encode/django-rest-framework
 [group]: https://groups.google.com/forum/?fromgroups#!forum/django-rest-framework
 [twitter]: https://twitter.com/_tomchristie
diff --git a/docs/coreapi/from-documenting-your-api.md b/docs/coreapi/from-documenting-your-api.md
new file mode 100644
index 000000000..9ac3be686
--- /dev/null
+++ b/docs/coreapi/from-documenting-your-api.md
@@ -0,0 +1,171 @@
+
+## Built-in API documentation
+
+The built-in API documentation includes:
+
+* Documentation of API endpoints.
+* Automatically generated code samples for each of the available API client libraries.
+* Support for API interaction.
+
+### Installation
+
+The `coreapi` library is required as a dependency for the API docs. Make sure
+to install the latest version. The `Pygments` and `Markdown` libraries
+are optional but recommended.
+
+To install the API documentation, you'll need to include it in your project's URLconf:
+
+    from rest_framework.documentation import include_docs_urls
+
+    urlpatterns = [
+        ...
+        url(r'^docs/', include_docs_urls(title='My API title'))
+    ]
+
+This will include two different views:
+
+  * `/docs/` - The documentation page itself.
+  * `/docs/schema.js` - A JavaScript resource that exposes the API schema.
+
+---
+
+**Note**: By default `include_docs_urls` configures the underlying `SchemaView` to generate _public_ schemas.
+This means that views will not be instantiated with a `request` instance. i.e. Inside the view `self.request` will be `None`.
+
+To be compatible with this behaviour, methods (such as `get_serializer` or `get_serializer_class` etc.) which inspect `self.request` or, particularly, `self.request.user` may need to be adjusted to handle this case.
+
+You may ensure views are given a `request` instance by calling `include_docs_urls` with `public=False`:
+
+    from rest_framework.documentation import include_docs_urls
+
+    urlpatterns = [
+        ...
+        # Generate schema with valid `request` instance:
+        url(r'^docs/', include_docs_urls(title='My API title', public=False))
+    ]
+
+
+---
+
+
+### Documenting your views
+
+You can document your views by including docstrings that describe each of the available actions.
+For example:
+
+    class UserList(generics.ListAPIView):
+        """
+        Return a list of all the existing users.
+        """
+
+If a view supports multiple methods, you should split your documentation using `method:` style delimiters.
+
+    class UserList(generics.ListCreateAPIView):
+        """
+        get:
+        Return a list of all the existing users.
+
+        post:
+        Create a new user instance.
+        """
+
+When using viewsets, you should use the relevant action names as delimiters.
+
+    class UserViewSet(viewsets.ModelViewSet):
+        """
+        retrieve:
+        Return the given user.
+
+        list:
+        Return a list of all the existing users.
+
+        create:
+        Create a new user instance.
+        """
+
+Custom actions on viewsets can also be documented in a similar way using the method names
+as delimiters or by attaching the documentation to action mapping methods.
+
+    class UserViewSet(viewsets.ModelViewset):
+        ...
+
+        @action(detail=False, methods=['get', 'post'])
+        def some_action(self, request, *args, **kwargs):
+            """
+            get:
+            A description of the get method on the custom action.
+
+            post:
+            A description of the post method on the custom action.
+            """
+
+        @some_action.mapping.put
+        def put_some_action():
+            """
+            A description of the put method on the custom action.
+            """
+
+
+### `documentation` API Reference
+
+The `rest_framework.documentation` module provides three helper functions to help configure the interactive API documentation, `include_docs_urls` (usage shown above), `get_docs_view` and `get_schemajs_view`.
+
+ `include_docs_urls` employs `get_docs_view` and `get_schemajs_view` to generate the url patterns for the documentation page and JavaScript resource that exposes the API schema respectively. They expose the following options for customisation. (`get_docs_view` and `get_schemajs_view` ultimately call `rest_frameworks.schemas.get_schema_view()`, see the Schemas docs for more options there.)
+
+#### `include_docs_urls`
+
+* `title`: Default `None`. May be used to provide a descriptive title for the schema definition.
+* `description`: Default `None`. May be used to provide a description for the schema definition.
+* `schema_url`: Default `None`. May be used to pass a canonical base URL for the schema.
+* `public`: Default `True`. Should the schema be considered _public_? If `True` schema is generated without a `request` instance being passed to views.
+* `patterns`: Default `None`. A list of URLs to inspect when generating the schema. If `None` project's URL conf will be used.
+* `generator_class`: Default `rest_framework.schemas.SchemaGenerator`. May be used to specify a `SchemaGenerator` subclass to be passed to the `SchemaView`.
+* `authentication_classes`: Default `api_settings.DEFAULT_AUTHENTICATION_CLASSES`. May be used to pass custom authentication classes to the `SchemaView`.
+* `permission_classes`: Default `api_settings.DEFAULT_PERMISSION_CLASSES` May be used to pass custom permission classes to the `SchemaView`.
+* `renderer_classes`: Default `None`. May be used to pass custom renderer classes to the `SchemaView`.
+
+#### `get_docs_view`
+
+* `title`: Default `None`. May be used to provide a descriptive title for the schema definition.
+* `description`: Default `None`. May be used to provide a description for the schema definition.
+* `schema_url`: Default `None`. May be used to pass a canonical base URL for the schema.
+* `public`: Default `True`. If `True` schema is generated without a `request` instance being passed to views.
+* `patterns`: Default `None`. A list of URLs to inspect when generating the schema. If `None` project's URL conf will be used.
+* `generator_class`: Default `rest_framework.schemas.SchemaGenerator`. May be used to specify a `SchemaGenerator` subclass to be passed to the `SchemaView`.
+* `authentication_classes`: Default `api_settings.DEFAULT_AUTHENTICATION_CLASSES`. May be used to pass custom authentication classes to the `SchemaView`.
+* `permission_classes`: Default `api_settings.DEFAULT_PERMISSION_CLASSES`. May be used to pass custom permission classes to the `SchemaView`.
+* `renderer_classes`: Default `None`. May be used to pass custom renderer classes to the `SchemaView`. If `None` the `SchemaView` will be configured with `DocumentationRenderer` and `CoreJSONRenderer` renderers, corresponding to the (default) `html` and `corejson` formats.
+
+#### `get_schemajs_view`
+
+* `title`: Default `None`. May be used to provide a descriptive title for the schema definition.
+* `description`: Default `None`. May be used to provide a description for the schema definition.
+* `schema_url`: Default `None`. May be used to pass a canonical base URL for the schema.
+* `public`: Default `True`. If `True` schema is generated without a `request` instance being passed to views.
+* `patterns`: Default `None`. A list of URLs to inspect when generating the schema. If `None` project's URL conf will be used.
+* `generator_class`: Default `rest_framework.schemas.SchemaGenerator`. May be used to specify a `SchemaGenerator` subclass to be passed to the `SchemaView`.
+* `authentication_classes`: Default `api_settings.DEFAULT_AUTHENTICATION_CLASSES`. May be used to pass custom authentication classes to the `SchemaView`.
+* `permission_classes`: Default `api_settings.DEFAULT_PERMISSION_CLASSES` May be used to pass custom permission classes to the `SchemaView`.
+
+
+### Customising code samples
+
+The built-in API documentation includes automatically generated code samples for
+each of the available API client libraries.
+
+You may customise these samples by subclassing `DocumentationRenderer`, setting
+`languages` to the list of languages you wish to support:
+
+    from rest_framework.renderers import DocumentationRenderer
+
+
+    class CustomRenderer(DocumentationRenderer):
+        languages = ['ruby', 'go']
+
+For each language you need to provide an `intro` template, detailing installation instructions and such,
+plus a generic template for making API requests, that can be filled with individual request details.
+See the [templates for the bundled languages][client-library-templates] for examples.
+
+---
+
+[client-library-templates]: https://github.com/encode/django-rest-framework/tree/master/rest_framework/templates/rest_framework/docs/langs
\ No newline at end of file
diff --git a/docs/coreapi/index.md b/docs/coreapi/index.md
new file mode 100644
index 000000000..9195eb33e
--- /dev/null
+++ b/docs/coreapi/index.md
@@ -0,0 +1,29 @@
+# Legacy CoreAPI Schemas Docs
+
+Use of CoreAPI-based schemas were deprecated with the introduction of native OpenAPI-based schema generation in Django REST Framework v3.10.
+
+See the [Version 3.10 Release Announcement](/community/3.10-announcement.md) for more details.
+
+----
+
+You can continue to use CoreAPI schemas by setting the appropriate default schema class:
+
+```python
+# In settings.py
+REST_FRAMEWORK = {
+    'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.coreapi.AutoSchema',
+}
+```
+
+Under-the-hood, any subclass of `coreapi.AutoSchema` here will trigger use of the old CoreAPI schemas.
+**Otherwise** you will automatically be opted-in to the new OpenAPI schemas.
+
+All CoreAPI related code will be removed in Django REST Framework v3.12. Switch to OpenAPI schemas by then.
+
+----
+
+For reference this folder contains the old CoreAPI related documentation:
+
+* [Tutorial 7: Schemas & client libraries](https://github.com/encode/django-rest-framework/blob/master/docs/coreapi//7-schemas-and-client-libraries.md).
+* [Excerpts from _Documenting your API_ topic page](https://github.com/encode/django-rest-framework/blob/master/docs/coreapi//from-documenting-your-api.md).
+* [`rest_framework.schemas` API Reference](https://github.com/encode/django-rest-framework/blob/master/docs/coreapi//schemas.md).
diff --git a/docs/coreapi/schemas.md b/docs/coreapi/schemas.md
new file mode 100644
index 000000000..69606f853
--- /dev/null
+++ b/docs/coreapi/schemas.md
@@ -0,0 +1,838 @@
+source: schemas.py
+
+# Schemas
+
+> A machine-readable [schema] describes what resources are available via the API, what their URLs are, how they are represented and what operations they support.
+>
+> &mdash; Heroku, [JSON Schema for the Heroku Platform API][cite]
+
+API schemas are a useful tool that allow for a range of use cases, including
+generating reference documentation, or driving dynamic client libraries that
+can interact with your API.
+
+## Install Core API & PyYAML
+
+You'll need to install the `coreapi` package in order to add schema support
+for REST framework. You probably also want to install `pyyaml`, so that you
+can render the schema into the commonly used YAML-based OpenAPI format.
+
+    pip install coreapi pyyaml
+
+## Quickstart
+
+There are two different ways you can serve a schema description for your API.
+
+### Generating a schema with the `generateschema` management command
+
+To generate a static API schema, use the `generateschema` management command.
+
+```shell
+$ python manage.py generateschema > schema.yml
+```
+
+Once you've generated a schema in this way you can annotate it with any
+additional information that cannot be automatically inferred by the schema
+generator.
+
+You might want to check your API schema into version control and update it
+with each new release, or serve the API schema from your site's static media.
+
+### Adding a view with `get_schema_view`
+
+To add a dynamically generated schema view to your API, use `get_schema_view`.
+
+```python
+from rest_framework.schemas import get_schema_view
+
+schema_view = get_schema_view(title="Example API")
+
+urlpatterns = [
+    url('^schema$', schema_view),
+    ...
+]
+```
+
+See below [for more details](#the-get_schema_view-shortcut) on customizing a
+dynamically generated schema view.
+
+## Internal schema representation
+
+REST framework uses [Core API][coreapi] in order to model schema information in
+a format-independent representation. This information can then be rendered
+into various different schema formats, or used to generate API documentation.
+
+When using Core API, a schema is represented as a `Document` which is the
+top-level container object for information about the API. Available API
+interactions are represented using `Link` objects. Each link includes a URL,
+HTTP method, and may include a list of `Field` instances, which describe any
+parameters that may be accepted by the API endpoint. The `Link` and `Field`
+instances may also include descriptions, that allow an API schema to be
+rendered into user documentation.
+
+Here's an example of an API description that includes a single `search`
+endpoint:
+
+    coreapi.Document(
+        title='Flight Search API',
+        url='https://api.example.org/',
+        content={
+            'search': coreapi.Link(
+                url='/search/',
+                action='get',
+                fields=[
+                    coreapi.Field(
+                        name='from',
+                        required=True,
+                        location='query',
+                        description='City name or airport code.'
+                    ),
+                    coreapi.Field(
+                        name='to',
+                        required=True,
+                        location='query',
+                        description='City name or airport code.'
+                    ),
+                    coreapi.Field(
+                        name='date',
+                        required=True,
+                        location='query',
+                        description='Flight date in "YYYY-MM-DD" format.'
+                    )
+                ],
+                description='Return flight availability and prices.'
+            )
+        }
+    )
+
+## Schema output formats
+
+In order to be presented in an HTTP response, the internal representation
+has to be rendered into the actual bytes that are used in the response.
+
+REST framework includes a few different renderers that you can use for
+encoding the API schema.
+
+* `renderers.OpenAPIRenderer` - Renders into YAML-based [OpenAPI][open-api], the most widely used API schema format.
+* `renderers.JSONOpenAPIRenderer` - Renders into JSON-based [OpenAPI][open-api].
+* `renderers.CoreJSONRenderer` - Renders into [Core JSON][corejson], a format designed for
+use with the `coreapi` client library.
+
+
+[Core JSON][corejson] is designed as a canonical format for use with Core API.
+REST framework includes a renderer class for handling this media type, which
+is available as `renderers.CoreJSONRenderer`.
+
+
+## Schemas vs Hypermedia
+
+It's worth pointing out here that Core API can also be used to model hypermedia
+responses, which present an alternative interaction style to API schemas.
+
+With an API schema, the entire available interface is presented up-front
+as a single endpoint. Responses to individual API endpoints are then typically
+presented as plain data, without any further interactions contained in each
+response.
+
+With Hypermedia, the client is instead presented with a document containing
+both data and available interactions. Each interaction results in a new
+document, detailing both the current state and the available interactions.
+
+Further information and support on building Hypermedia APIs with REST framework
+is planned for a future version.
+
+
+---
+
+# Creating a schema
+
+REST framework includes functionality for auto-generating a schema,
+or allows you to specify one explicitly.
+
+## Manual Schema Specification
+
+To manually specify a schema you create a Core API `Document`, similar to the
+example above.
+
+    schema = coreapi.Document(
+        title='Flight Search API',
+        content={
+            ...
+        }
+    )
+
+
+## Automatic Schema Generation
+
+Automatic schema generation is provided by the `SchemaGenerator` class.
+
+`SchemaGenerator` processes a list of routed URL patterns and compiles the
+appropriately structured Core API Document.
+
+Basic usage is just to provide the title for your schema and call
+`get_schema()`:
+
+    generator = schemas.SchemaGenerator(title='Flight Search API')
+    schema = generator.get_schema()
+
+## Per-View Schema Customisation
+
+By default, view introspection is performed by an `AutoSchema` instance
+accessible via the `schema` attribute on `APIView`. This provides the
+appropriate Core API `Link` object for the view, request method and path:
+
+    auto_schema = view.schema
+    coreapi_link = auto_schema.get_link(...)
+
+(In compiling the schema, `SchemaGenerator` calls `view.schema.get_link()` for
+each view, allowed method and path.)
+
+---
+
+**Note**: For basic `APIView` subclasses, default introspection is essentially
+limited to the URL kwarg path parameters. For `GenericAPIView`
+subclasses, which includes all the provided class based views, `AutoSchema` will
+attempt to introspect serializer, pagination and filter fields, as well as
+provide richer path field descriptions. (The key hooks here are the relevant
+`GenericAPIView` attributes and methods: `get_serializer`, `pagination_class`,
+`filter_backends` and so on.)
+
+---
+
+To customise the `Link` generation you may:
+
+* Instantiate `AutoSchema` on your view with the `manual_fields` kwarg:
+
+        from rest_framework.views import APIView
+        from rest_framework.schemas import AutoSchema
+
+        class CustomView(APIView):
+            ...
+            schema = AutoSchema(
+                manual_fields=[
+                    coreapi.Field("extra_field", ...),
+                ]
+            )
+
+    This allows extension for the most common case without subclassing.
+
+* Provide an `AutoSchema` subclass with more complex customisation:
+
+        from rest_framework.views import APIView
+        from rest_framework.schemas import AutoSchema
+
+        class CustomSchema(AutoSchema):
+            def get_link(...):
+                # Implement custom introspection here (or in other sub-methods)
+
+        class CustomView(APIView):
+            ...
+            schema = CustomSchema()
+
+    This provides complete control over view introspection.
+
+* Instantiate `ManualSchema` on your view, providing the Core API `Fields` for
+  the view explicitly:
+
+        from rest_framework.views import APIView
+        from rest_framework.schemas import ManualSchema
+
+        class CustomView(APIView):
+            ...
+            schema = ManualSchema(fields=[
+                coreapi.Field(
+                    "first_field",
+                    required=True,
+                    location="path",
+                    schema=coreschema.String()
+                ),
+                coreapi.Field(
+                    "second_field",
+                    required=True,
+                    location="path",
+                    schema=coreschema.String()
+                ),
+            ])
+
+    This allows manually specifying the schema for some views whilst maintaining
+    automatic generation elsewhere.
+
+You may disable schema generation for a view by setting `schema` to `None`:
+
+        class CustomView(APIView):
+            ...
+            schema = None  # Will not appear in schema
+
+This also applies to extra actions for `ViewSet`s:
+
+        class CustomViewSet(viewsets.ModelViewSet):
+
+            @action(detail=True, schema=None)
+            def extra_action(self, request, pk=None):
+                ...
+
+---
+
+**Note**: For full details on `SchemaGenerator` plus the `AutoSchema` and
+`ManualSchema` descriptors see the [API Reference below](#api-reference).
+
+---
+
+# Adding a schema view
+
+There are a few different ways to add a schema view to your API, depending on
+exactly what you need.
+
+## The get_schema_view shortcut
+
+The simplest way to include a schema in your project is to use the
+`get_schema_view()` function.
+
+    from rest_framework.schemas import get_schema_view
+
+    schema_view = get_schema_view(title="Server Monitoring API")
+
+    urlpatterns = [
+        url('^$', schema_view),
+        ...
+    ]
+
+Once the view has been added, you'll be able to make API requests to retrieve
+the auto-generated schema definition.
+
+    $ http http://127.0.0.1:8000/ Accept:application/coreapi+json
+    HTTP/1.0 200 OK
+    Allow: GET, HEAD, OPTIONS
+    Content-Type: application/vnd.coreapi+json
+
+    {
+        "_meta": {
+            "title": "Server Monitoring API"
+        },
+        "_type": "document",
+        ...
+    }
+
+The arguments to `get_schema_view()` are:
+
+#### `title`
+
+May be used to provide a descriptive title for the schema definition.
+
+#### `url`
+
+May be used to pass a canonical URL for the schema.
+
+    schema_view = get_schema_view(
+        title='Server Monitoring API',
+        url='https://www.example.org/api/'
+    )
+
+#### `urlconf`
+
+A string representing the import path to the URL conf that you want
+to generate an API schema for. This defaults to the value of Django's
+ROOT_URLCONF setting.
+
+    schema_view = get_schema_view(
+        title='Server Monitoring API',
+        url='https://www.example.org/api/',
+        urlconf='myproject.urls'
+    )
+
+#### `renderer_classes`
+
+May be used to pass the set of renderer classes that can be used to render the API root endpoint.
+
+    from rest_framework.schemas import get_schema_view
+    from rest_framework.renderers import JSONOpenAPIRenderer
+
+    schema_view = get_schema_view(
+        title='Server Monitoring API',
+        url='https://www.example.org/api/',
+        renderer_classes=[JSONOpenAPIRenderer]
+    )
+
+#### `patterns`
+
+List of url patterns to limit the schema introspection to. If you only want the `myproject.api` urls
+to be exposed in the schema:
+
+    schema_url_patterns = [
+        url(r'^api/', include('myproject.api.urls')),
+    ]
+
+    schema_view = get_schema_view(
+        title='Server Monitoring API',
+        url='https://www.example.org/api/',
+        patterns=schema_url_patterns,
+    )
+
+#### `generator_class`
+
+May be used to specify a `SchemaGenerator` subclass to be passed to the
+`SchemaView`.
+
+#### `authentication_classes`
+
+May be used to specify the list of authentication classes that will apply to the schema endpoint.
+Defaults to `settings.DEFAULT_AUTHENTICATION_CLASSES`
+
+#### `permission_classes`
+
+May be used to specify the list of permission classes that will apply to the schema endpoint.
+Defaults to `settings.DEFAULT_PERMISSION_CLASSES`
+
+## Using an explicit schema view
+
+If you need a little more control than the `get_schema_view()` shortcut gives you,
+then you can use the `SchemaGenerator` class directly to auto-generate the
+`Document` instance, and to return that from a view.
+
+This option gives you the flexibility of setting up the schema endpoint
+with whatever behaviour you want. For example, you can apply different
+permission, throttling, or authentication policies to the schema endpoint.
+
+Here's an example of using `SchemaGenerator` together with a view to
+return the schema.
+
+**views.py:**
+
+    from rest_framework.decorators import api_view, renderer_classes
+    from rest_framework import renderers, response, schemas
+
+    generator = schemas.SchemaGenerator(title='Bookings API')
+
+    @api_view()
+    @renderer_classes([renderers.OpenAPIRenderer])
+    def schema_view(request):
+        schema = generator.get_schema(request)
+        return response.Response(schema)
+
+**urls.py:**
+
+    urlpatterns = [
+        url('/', schema_view),
+        ...
+    ]
+
+You can also serve different schemas to different users, depending on the
+permissions they have available. This approach can be used to ensure that
+unauthenticated requests are presented with a different schema to
+authenticated requests, or to ensure that different parts of the API are
+made visible to different users depending on their role.
+
+In order to present a schema with endpoints filtered by user permissions,
+you need to pass the `request` argument to the `get_schema()` method, like so:
+
+    @api_view()
+    @renderer_classes([renderers.OpenAPIRenderer])
+    def schema_view(request):
+        generator = schemas.SchemaGenerator(title='Bookings API')
+        return response.Response(generator.get_schema(request=request))
+
+## Explicit schema definition
+
+An alternative to the auto-generated approach is to specify the API schema
+explicitly, by declaring a `Document` object in your codebase. Doing so is a
+little more work, but ensures that you have full control over the schema
+representation.
+
+    import coreapi
+    from rest_framework.decorators import api_view, renderer_classes
+    from rest_framework import renderers, response
+
+    schema = coreapi.Document(
+        title='Bookings API',
+        content={
+            ...
+        }
+    )
+
+    @api_view()
+    @renderer_classes([renderers.OpenAPIRenderer])
+    def schema_view(request):
+        return response.Response(schema)
+
+---
+
+# Schemas as documentation
+
+One common usage of API schemas is to use them to build documentation pages.
+
+The schema generation in REST framework uses docstrings to automatically
+populate descriptions in the schema document.
+
+These descriptions will be based on:
+
+* The corresponding method docstring if one exists.
+* A named section within the class docstring, which can be either single line or multi-line.
+* The class docstring.
+
+## Examples
+
+An `APIView`, with an explicit method docstring.
+
+    class ListUsernames(APIView):
+        def get(self, request):
+            """
+            Return a list of all user names in the system.
+            """
+            usernames = [user.username for user in User.objects.all()]
+            return Response(usernames)
+
+A `ViewSet`, with an explicit action docstring.
+
+    class ListUsernames(ViewSet):
+        def list(self, request):
+            """
+            Return a list of all user names in the system.
+            """
+            usernames = [user.username for user in User.objects.all()]
+            return Response(usernames)
+
+A generic view with sections in the class docstring, using single-line style.
+
+    class UserList(generics.ListCreateAPIView):
+        """
+        get: List all the users.
+        post: Create a new user.
+        """
+        queryset = User.objects.all()
+        serializer_class = UserSerializer
+        permission_classes = [IsAdminUser]
+
+A generic viewset with sections in the class docstring, using multi-line style.
+
+    class UserViewSet(viewsets.ModelViewSet):
+        """
+        API endpoint that allows users to be viewed or edited.
+
+        retrieve:
+        Return a user instance.
+
+        list:
+        Return all users, ordered by most recently joined.
+        """
+        queryset = User.objects.all().order_by('-date_joined')
+        serializer_class = UserSerializer
+
+---
+
+# API Reference
+
+## SchemaGenerator
+
+A class that walks a list of routed URL patterns, requests the schema for each view,
+and collates the resulting CoreAPI Document.
+
+Typically you'll instantiate `SchemaGenerator` with a single argument, like so:
+
+    generator = SchemaGenerator(title='Stock Prices API')
+
+Arguments:
+
+* `title` **required** - The name of the API.
+* `url` - The root URL of the API schema. This option is not required unless the schema is included under path prefix.
+* `patterns` - A list of URLs to inspect when generating the schema. Defaults to the project's URL conf.
+* `urlconf` - A URL conf module name to use when generating the schema. Defaults to `settings.ROOT_URLCONF`.
+
+### get_schema(self, request)
+
+Returns a `coreapi.Document` instance that represents the API schema.
+
+    @api_view
+    @renderer_classes([renderers.OpenAPIRenderer])
+    def schema_view(request):
+        generator = schemas.SchemaGenerator(title='Bookings API')
+        return Response(generator.get_schema())
+
+The `request` argument is optional, and may be used if you want to apply per-user
+permissions to the resulting schema generation.
+
+### get_links(self, request)
+
+Return a nested dictionary containing all the links that should be included in the API schema.
+
+This is a good point to override if you want to modify the resulting structure of the generated schema,
+as you can build a new dictionary with a different layout.
+
+
+## AutoSchema
+
+A class that deals with introspection of individual views for schema generation.
+
+`AutoSchema` is attached to `APIView` via the `schema` attribute.
+
+The `AutoSchema` constructor takes a single keyword argument  `manual_fields`.
+
+**`manual_fields`**: a `list` of `coreapi.Field` instances that will be added to
+the generated fields. Generated fields with a matching `name` will be overwritten.
+
+    class CustomView(APIView):
+        schema = AutoSchema(manual_fields=[
+            coreapi.Field(
+                "my_extra_field",
+                required=True,
+                location="path",
+                schema=coreschema.String()
+            ),
+        ])
+
+For more advanced customisation subclass `AutoSchema` to customise schema generation.
+
+    class CustomViewSchema(AutoSchema):
+        """
+        Overrides `get_link()` to provide Custom Behavior X
+        """
+
+        def get_link(self, path, method, base_url):
+            link = super().get_link(path, method, base_url)
+            # Do something to customize link here...
+            return link
+
+    class MyView(APIView):
+      schema = CustomViewSchema()
+
+The following methods are available to override.
+
+### get_link(self, path, method, base_url)
+
+Returns a `coreapi.Link` instance corresponding to the given view.
+
+This is the main entry point.
+You can override this if you need to provide custom behaviors for particular views.
+
+### get_description(self, path, method)
+
+Returns a string to use as the link description. By default this is based on the
+view docstring as described in the "Schemas as Documentation" section above.
+
+### get_encoding(self, path, method)
+
+Returns a string to indicate the encoding for any request body, when interacting
+with the given view. Eg. `'application/json'`. May return a blank string for views
+that do not expect a request body.
+
+### get_path_fields(self, path, method):
+
+Return a list of `coreapi.Field()` instances. One for each path parameter in the URL.
+
+### get_serializer_fields(self, path, method)
+
+Return a list of `coreapi.Field()` instances. One for each field in the serializer class used by the view.
+
+### get_pagination_fields(self, path, method)
+
+Return a list of `coreapi.Field()` instances, as returned by the `get_schema_fields()` method on any pagination class used by the view.
+
+### get_filter_fields(self, path, method)
+
+Return a list of `coreapi.Field()` instances, as returned by the `get_schema_fields()` method of any filter classes used by the view.
+
+### get_manual_fields(self, path, method)
+
+Return a list of `coreapi.Field()` instances to be added to or replace generated fields. Defaults to (optional) `manual_fields` passed to `AutoSchema` constructor.
+
+May be overridden to customise manual fields by `path` or `method`. For example, a per-method adjustment may look like this:
+
+```python
+def get_manual_fields(self, path, method):
+    """Example adding per-method fields."""
+
+    extra_fields = []
+    if method=='GET':
+        extra_fields = # ... list of extra fields for GET ...
+    if method=='POST':
+        extra_fields = # ... list of extra fields for POST ...
+
+    manual_fields = super().get_manual_fields(path, method)
+    return manual_fields + extra_fields
+```
+
+### update_fields(fields, update_with)
+
+Utility `staticmethod`. Encapsulates logic to add or replace fields from a list
+by `Field.name`. May be overridden to adjust replacement criteria.
+
+
+## ManualSchema
+
+Allows manually providing a list of `coreapi.Field` instances for the schema,
+plus an optional description.
+
+    class MyView(APIView):
+      schema = ManualSchema(fields=[
+            coreapi.Field(
+                "first_field",
+                required=True,
+                location="path",
+                schema=coreschema.String()
+            ),
+            coreapi.Field(
+                "second_field",
+                required=True,
+                location="path",
+                schema=coreschema.String()
+            ),
+        ]
+      )
+
+The `ManualSchema` constructor takes two arguments:
+
+**`fields`**: A list of `coreapi.Field` instances. Required.
+
+**`description`**: A string description. Optional.
+
+**`encoding`**: Default `None`. A string encoding, e.g `application/json`. Optional.
+
+---
+
+## Core API
+
+This documentation gives a brief overview of the components within the `coreapi`
+package that are used to represent an API schema.
+
+Note that these classes are imported from the `coreapi` package, rather than
+from the `rest_framework` package.
+
+### Document
+
+Represents a container for the API schema.
+
+#### `title`
+
+A name for the API.
+
+#### `url`
+
+A canonical URL for the API.
+
+#### `content`
+
+A dictionary, containing the `Link` objects that the schema contains.
+
+In order to provide more structure to the schema, the `content` dictionary
+may be nested, typically to a second level. For example:
+
+    content={
+        "bookings": {
+            "list": Link(...),
+            "create": Link(...),
+            ...
+        },
+        "venues": {
+            "list": Link(...),
+            ...
+        },
+        ...
+    }
+
+### Link
+
+Represents an individual API endpoint.
+
+#### `url`
+
+The URL of the endpoint. May be a URI template, such as `/users/{username}/`.
+
+#### `action`
+
+The HTTP method associated with the endpoint. Note that URLs that support
+more than one HTTP method, should correspond to a single `Link` for each.
+
+#### `fields`
+
+A list of `Field` instances, describing the available parameters on the input.
+
+#### `description`
+
+A short description of the meaning and intended usage of the endpoint.
+
+### Field
+
+Represents a single input parameter on a given API endpoint.
+
+#### `name`
+
+A descriptive name for the input.
+
+#### `required`
+
+A boolean, indicated if the client is required to included a value, or if
+the parameter can be omitted.
+
+#### `location`
+
+Determines how the information is encoded into the request. Should be one of
+the following strings:
+
+**"path"**
+
+Included in a templated URI. For example a `url` value of `/products/{product_code}/` could be used together with a `"path"` field, to handle API inputs in a URL path such as `/products/slim-fit-jeans/`.
+
+These fields will normally correspond with [named arguments in the project URL conf][named-arguments].
+
+**"query"**
+
+Included as a URL query parameter. For example `?search=sale`. Typically for `GET` requests.
+
+These fields will normally correspond with pagination and filtering controls on a view.
+
+**"form"**
+
+Included in the request body, as a single item of a JSON object or HTML form. For example `{"colour": "blue", ...}`. Typically for `POST`, `PUT` and `PATCH` requests. Multiple `"form"` fields may be included on a single link.
+
+These fields will normally correspond with serializer fields on a view.
+
+**"body"**
+
+Included as the complete request body. Typically for `POST`, `PUT` and `PATCH` requests. No more than one `"body"` field may exist on a link. May not be used together with `"form"` fields.
+
+These fields will normally correspond with views that use `ListSerializer` to validate the request input, or with file upload views.
+
+#### `encoding`
+
+**"application/json"**
+
+JSON encoded request content. Corresponds to views using `JSONParser`.
+Valid only if either one or more `location="form"` fields, or a single
+`location="body"` field is included on the `Link`.
+
+**"multipart/form-data"**
+
+Multipart encoded request content. Corresponds to views using `MultiPartParser`.
+Valid only if one or more `location="form"` fields is included on the `Link`.
+
+**"application/x-www-form-urlencoded"**
+
+URL encoded request content. Corresponds to views using `FormParser`. Valid
+only if one or more `location="form"` fields is included on the `Link`.
+
+**"application/octet-stream"**
+
+Binary upload request content. Corresponds to views using `FileUploadParser`.
+Valid only if a `location="body"` field is included on the `Link`.
+
+#### `description`
+
+A short description of the meaning and intended usage of the input field.
+
+
+---
+
+# Third party packages
+
+## drf-yasg - Yet Another Swagger Generator
+
+[drf-yasg][drf-yasg] generates [OpenAPI][open-api] documents suitable for code generation - nested schemas,
+named models, response bodies, enum/pattern/min/max validators, form parameters, etc.
+
+[cite]: https://blog.heroku.com/archives/2014/1/8/json_schema_for_heroku_platform_api
+[coreapi]: https://www.coreapi.org/
+[corejson]: https://www.coreapi.org/specification/encoding/#core-json-encoding
+[drf-yasg]: https://github.com/axnsan12/drf-yasg/
+[open-api]: https://openapis.org/
+[json-hyperschema]: https://json-schema.org/latest/json-schema-hypermedia.html
+[api-blueprint]: https://apiblueprint.org/
+[static-files]: https://docs.djangoproject.com/en/stable/howto/static-files/
+[named-arguments]: https://docs.djangoproject.com/en/stable/topics/http/urls/#named-groups
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--- a/docs/index.md
+++ b/docs/index.md
@@ -18,23 +18,19 @@
 </style>
 
 <p class="badges" height=20px>
-    <iframe src="http://ghbtns.com/github-btn.html?user=encode&amp;repo=django-rest-framework&amp;type=watch&amp;count=true" class="github-star-button" allowtransparency="true" frameborder="0" scrolling="0" width="110px" height="20px"></iframe>
+    <iframe src="https://ghbtns.com/github-btn.html?user=encode&amp;repo=django-rest-framework&amp;type=watch&amp;count=true" class="github-star-button" allowtransparency="true" frameborder="0" scrolling="0" width="110px" height="20px"></iframe>
 
-    <a href="http://travis-ci.org/encode/django-rest-framework?branch=master">
+    <a href="https://travis-ci.org/encode/django-rest-framework?branch=master">
         <img src="https://secure.travis-ci.org/encode/django-rest-framework.svg?branch=master" class="status-badge">
     </a>
 
-    <a href="https://pypi.python.org/pypi/djangorestframework">
+    <a href="https://pypi.org/project/djangorestframework/">
         <img src="https://img.shields.io/pypi/v/djangorestframework.svg" class="status-badge">
     </a>
 </p>
 
 ---
 
-**Note**: This is the documentation for the **version 3** of REST framework. Documentation for [version 2](http://tomchristie.github.io/rest-framework-2-docs/) is also available.
-
----
-
 <p>
 <h1 style="position: absolute;
     width: 1px;
@@ -70,15 +66,18 @@ continued development by **[signing up for a paid plan][funding]**.
 *Every single sign-up helps us make REST framework long-term financially sustainable.*
 
 <ul class="premium-promo promo">
-    <li><a href="http://jobs.rover.com/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
     <li><a href="https://getsentry.com/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
     <li><a href="https://getstream.io/try-the-api/?utm_source=drf&utm_medium=banner&utm_campaign=drf" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/stream-130.png)">Stream</a></li>
-    <li><a href="https://hello.machinalis.co.uk/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/Machinalis130.png)">Machinalis</a></li>
+    <li><a href="https://software.esg-usa.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/esg-new-logo.png)">ESG</a></li>
     <li><a href="https://rollbar.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rollbar2.png)">Rollbar</a></li>
+    <li><a href="https://cadre.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/cadre.png)">Cadre</a></li>
+    <li><a href="https://hubs.ly/H0f30Lf0" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/kloudless-plus-text.png)">Kloudless</a></li>
+    <li><a href="https://lightsonsoftware.com" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/lightson-dark.png)">Lights On Software</a></li>
+    <li><a href="https://retool.com/?utm_source=djangorest&utm_medium=sponsorship" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/retool-sidebar.png)">Retool</a></li>
 </ul>
 <div style="clear: both; padding-bottom: 20px;"></div>
 
-*Many thanks to all our [wonderful sponsors][sponsors], and in particular to our premium backers, [Rover](http://jobs.rover.com/), [Sentry](https://getsentry.com/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), [Machinalis](https://hello.machinalis.co.uk/), and [Rollbar](https://rollbar.com).*
+*Many thanks to all our [wonderful sponsors][sponsors], and in particular to our premium backers, [Sentry](https://getsentry.com/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), [ESG](https://software.esg-usa.com/), [Rollbar](https://rollbar.com/?utm_source=django&utm_medium=sponsorship&utm_campaign=freetrial), [Cadre](https://cadre.com), [Kloudless](https://hubs.ly/H0f30Lf0), [Lights On Software](https://lightsonsoftware.com), and [Retool](https://retool.com/?utm_source=djangorest&utm_medium=sponsorship).*
 
 ---
 
@@ -86,15 +85,18 @@ continued development by **[signing up for a paid plan][funding]**.
 
 REST framework requires the following:
 
-* Python (2.7, 3.2, 3.3, 3.4, 3.5, 3.6)
-* Django (1.10, 1.11, 2.0 alpha)
+* Python (3.5, 3.6, 3.7)
+* Django (1.11, 2.0, 2.1, 2.2)
+
+We **highly recommend** and only officially support the latest patch release of
+each Python and Django series.
 
 The following packages are optional:
 
 * [coreapi][coreapi] (1.32.0+) - Schema generation support.
-* [Markdown][markdown] (2.1.0+) - Markdown support for the browsable API.
+* [Markdown][markdown] (3.0.0+) - Markdown support for the browsable API.
+* [Pygments][pygments] (2.4.0+) - Add syntax highlighting to Markdown processing.
 * [django-filter][django-filter] (1.0.1+) - Filtering support.
-* [django-crispy-forms][django-crispy-forms] - Improved HTML display for filtering.
 * [django-guardian][django-guardian] (1.1.1+) - Object level permissions support.
 
 ## Installation
@@ -107,14 +109,14 @@ Install using `pip`, including any optional packages you want...
 
 ...or clone the project from github.
 
-    git clone git@github.com:encode/django-rest-framework.git
+    git clone https://github.com/encode/django-rest-framework
 
 Add `'rest_framework'` to your `INSTALLED_APPS` setting.
 
-    INSTALLED_APPS = (
+    INSTALLED_APPS = [
         ...
         'rest_framework',
-    )
+    ]
 
 If you're intending to use the browsable API you'll probably also want to add REST framework's login and logout views.  Add the following to your root `urls.py` file.
 
@@ -150,11 +152,11 @@ Here's our project's root `urls.py` module:
     from django.contrib.auth.models import User
     from rest_framework import routers, serializers, viewsets
 
-	# Serializers define the API representation.
-	class UserSerializer(serializers.HyperlinkedModelSerializer):
-	    class Meta:
-	        model = User
-	        fields = ('url', 'username', 'email', 'is_staff')
+    # Serializers define the API representation.
+    class UserSerializer(serializers.HyperlinkedModelSerializer):
+        class Meta:
+            model = User
+            fields = ['url', 'username', 'email', 'is_staff']
 
     # ViewSets define the view behavior.
     class UserViewSet(viewsets.ModelViewSet):
@@ -178,82 +180,6 @@ You can now open the API in your browser at [http://127.0.0.1:8000/](http://127.
 
 Can't wait to get started? The [quickstart guide][quickstart] is the fastest way to get up and running, and building APIs with REST framework.
 
-## Tutorial
-
-The tutorial will walk you through the building blocks that make up REST framework.   It'll take a little while to get through, but it'll give you a comprehensive understanding of how everything fits together, and is highly recommended reading.
-
-* [1 - Serialization][tut-1]
-* [2 - Requests & Responses][tut-2]
-* [3 - Class-based views][tut-3]
-* [4 - Authentication & permissions][tut-4]
-* [5 - Relationships & hyperlinked APIs][tut-5]
-* [6 - Viewsets & routers][tut-6]
-* [7 - Schemas & client libraries][tut-7]
-
-There is a live example API of the finished tutorial API for testing purposes, [available here][sandbox].
-
-## API Guide
-
-The API guide is your complete reference manual to all the functionality provided by REST framework.
-
-* [Requests][request]
-* [Responses][response]
-* [Views][views]
-* [Generic views][generic-views]
-* [Viewsets][viewsets]
-* [Routers][routers]
-* [Parsers][parsers]
-* [Renderers][renderers]
-* [Serializers][serializers]
-* [Serializer fields][fields]
-* [Serializer relations][relations]
-* [Validators][validators]
-* [Authentication][authentication]
-* [Permissions][permissions]
-* [Throttling][throttling]
-* [Filtering][filtering]
-* [Pagination][pagination]
-* [Versioning][versioning]
-* [Content negotiation][contentnegotiation]
-* [Metadata][metadata]
-* [Schemas][schemas]
-* [Format suffixes][formatsuffixes]
-* [Returning URLs][reverse]
-* [Exceptions][exceptions]
-* [Status codes][status]
-* [Testing][testing]
-* [Settings][settings]
-
-## Topics
-
-General guides to using REST framework.
-
-* [Documenting your API][documenting-your-api]
-* [API Clients][api-clients]
-* [Internationalization][internationalization]
-* [AJAX, CSRF & CORS][ajax-csrf-cors]
-* [HTML & Forms][html-and-forms]
-* [Browser enhancements][browser-enhancements]
-* [The Browsable API][browsableapi]
-* [REST, Hypermedia & HATEOAS][rest-hypermedia-hateoas]
-* [Third Party Packages][third-party-packages]
-* [Tutorials and Resources][tutorials-and-resources]
-* [Contributing to REST framework][contributing]
-* [Project management][project-management]
-* [3.0 Announcement][3.0-announcement]
-* [3.1 Announcement][3.1-announcement]
-* [3.2 Announcement][3.2-announcement]
-* [3.3 Announcement][3.3-announcement]
-* [3.4 Announcement][3.4-announcement]
-* [3.5 Announcement][3.5-announcement]
-* [3.6 Announcement][3.6-announcement]
-* [3.7 Announcement][3.7-announcement]
-* [Kickstarter Announcement][kickstarter-announcement]
-* [Mozilla Grant][mozilla-grant]
-* [Funding][funding]
-* [Release Notes][release-notes]
-* [Jobs][jobs]
-
 ## Development
 
 See the [Contribution guidelines][contributing] for information on how to clone
@@ -279,17 +205,22 @@ Send a description of the issue via email to [rest-framework-security@googlegrou
 
 ## License
 
-Copyright (c) 2011-2017, Tom Christie
+Copyright © 2011-present, [Encode OSS Ltd](https://www.encode.io/).
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
 
-Redistributions of source code must retain the above copyright notice, this
-list of conditions and the following disclaimer.
-Redistributions in binary form must reproduce the above copyright notice, this
-list of conditions and the following disclaimer in the documentation and/or
-other materials provided with the distribution.
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@@ -302,98 +233,38 @@ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-[mozilla]: http://www.mozilla.org/en-US/about/
+[mozilla]: https://www.mozilla.org/en-US/about/
 [redhat]: https://www.redhat.com/
 [heroku]: https://www.heroku.com/
 [eventbrite]: https://www.eventbrite.co.uk/about/
-[coreapi]: http://pypi.python.org/pypi/coreapi/
-[markdown]: http://pypi.python.org/pypi/Markdown/
-[django-filter]: http://pypi.python.org/pypi/django-filter
-[django-crispy-forms]: https://github.com/maraujop/django-crispy-forms
+[coreapi]: https://pypi.org/project/coreapi/
+[markdown]: https://pypi.org/project/Markdown/
+[pygments]: https://pypi.org/project/Pygments/
+[django-filter]: https://pypi.org/project/django-filter/
 [django-guardian]: https://github.com/django-guardian/django-guardian
-[0.4]: https://github.com/encode/django-rest-framework/tree/0.4.X
-[image]: img/quickstart.png
 [index]: .
 [oauth1-section]: api-guide/authentication/#django-rest-framework-oauth
 [oauth2-section]: api-guide/authentication/#django-oauth-toolkit
 [serializer-section]: api-guide/serializers#serializers
 [modelserializer-section]: api-guide/serializers#modelserializer
 [functionview-section]: api-guide/views#function-based-views
-[sandbox]: http://restframework.herokuapp.com/
+[sandbox]: https://restframework.herokuapp.com/
 [sponsors]: https://fund.django-rest-framework.org/topics/funding/#our-sponsors
 
 [quickstart]: tutorial/quickstart.md
-[tut-1]: tutorial/1-serialization.md
-[tut-2]: tutorial/2-requests-and-responses.md
-[tut-3]: tutorial/3-class-based-views.md
-[tut-4]: tutorial/4-authentication-and-permissions.md
-[tut-5]: tutorial/5-relationships-and-hyperlinked-apis.md
-[tut-6]: tutorial/6-viewsets-and-routers.md
-[tut-7]: tutorial/7-schemas-and-client-libraries.md
 
-[request]: api-guide/requests.md
-[response]: api-guide/responses.md
-[views]: api-guide/views.md
 [generic-views]: api-guide/generic-views.md
 [viewsets]: api-guide/viewsets.md
 [routers]: api-guide/routers.md
-[parsers]: api-guide/parsers.md
-[renderers]: api-guide/renderers.md
 [serializers]: api-guide/serializers.md
-[fields]: api-guide/fields.md
-[relations]: api-guide/relations.md
-[validators]: api-guide/validators.md
 [authentication]: api-guide/authentication.md
-[permissions]: api-guide/permissions.md
-[throttling]: api-guide/throttling.md
-[filtering]: api-guide/filtering.md
-[pagination]: api-guide/pagination.md
-[versioning]: api-guide/versioning.md
-[contentnegotiation]: api-guide/content-negotiation.md
-[metadata]: api-guide/metadata.md
-[schemas]: api-guide/schemas.md
-[formatsuffixes]: api-guide/format-suffixes.md
-[reverse]: api-guide/reverse.md
-[exceptions]: api-guide/exceptions.md
-[status]: api-guide/status-codes.md
-[testing]: api-guide/testing.md
-[settings]: api-guide/settings.md
 
-[documenting-your-api]: topics/documenting-your-api.md
-[api-clients]: topics/api-clients.md
-[internationalization]: topics/internationalization.md
-[ajax-csrf-cors]: topics/ajax-csrf-cors.md
-[html-and-forms]: topics/html-and-forms.md
-[browser-enhancements]: topics/browser-enhancements.md
-[browsableapi]: topics/browsable-api.md
-[rest-hypermedia-hateoas]: topics/rest-hypermedia-hateoas.md
-[contributing]: topics/contributing.md
-[project-management]: topics/project-management.md
-[third-party-packages]: topics/third-party-packages.md
-[tutorials-and-resources]: topics/tutorials-and-resources.md
-[3.0-announcement]: topics/3.0-announcement.md
-[3.1-announcement]: topics/3.1-announcement.md
-[3.2-announcement]: topics/3.2-announcement.md
-[3.3-announcement]: topics/3.3-announcement.md
-[3.4-announcement]: topics/3.4-announcement.md
-[3.5-announcement]: topics/3.5-announcement.md
-[3.6-announcement]: topics/3.6-announcement.md
-[3.7-announcement]: topics/3.7-announcement.md
-[kickstarter-announcement]: topics/kickstarter-announcement.md
-[mozilla-grant]: topics/mozilla-grant.md
-[funding]: topics/funding.md
-[release-notes]: topics/release-notes.md
-[jobs]: topics/jobs.md
-
-[tox]: http://testrun.org/tox/latest/
+[contributing]: community/contributing.md
+[funding]: community/funding.md
 
 [group]: https://groups.google.com/forum/?fromgroups#!forum/django-rest-framework
 [botbot]: https://botbot.me/freenode/restframework/
-[stack-overflow]: http://stackoverflow.com/
-[django-rest-framework-tag]: http://stackoverflow.com/questions/tagged/django-rest-framework
-[django-tag]: http://stackoverflow.com/questions/tagged/django
+[stack-overflow]: https://stackoverflow.com/
+[django-rest-framework-tag]: https://stackoverflow.com/questions/tagged/django-rest-framework
 [security-mail]: mailto:rest-framework-security@googlegroups.com
-[paid-support]: http://dabapps.com/services/build/api-development/
-[dabapps]: http://dabapps.com
-[contact-dabapps]: http://dabapps.com/contact/
 [twitter]: https://twitter.com/_tomchristie
diff --git a/docs/topics/2.2-announcement.md b/docs/topics/2.2-announcement.md
deleted file mode 100644
index 2d743af24..000000000
--- a/docs/topics/2.2-announcement.md
+++ /dev/null
@@ -1,159 +0,0 @@
-# Django REST framework 2.2
-
-The 2.2 release represents an important point for REST framework, with the addition of Python 3 support, and the introduction of an official deprecation policy.
-
-## Python 3 support
-
-Thanks to some fantastic work from [Xavier Ordoquy][xordoquy], Django REST framework 2.2 now supports Python 3.  You'll need to be running Django 1.5, and it's worth keeping in mind that Django's Python 3 support is currently [considered experimental][django-python-3].
-
-Django 1.6's Python 3 support is expected to be officially labeled as 'production-ready'.
-
-If you want to start ensuring that your own projects are Python 3 ready, we can highly recommend Django's [Porting to Python 3][porting-python-3] documentation.
-
-Django REST framework's Python 2.6 support now requires 2.6.5 or above, in line with [Django 1.5's Python compatibility][python-compat].
-
-## Deprecation policy
-
-We've now introduced an official deprecation policy, which is in line with [Django's deprecation policy][django-deprecation-policy].  This policy will make it easy for you to continue to track the latest, greatest version of REST framework.
-
-The timeline for deprecation works as follows:
-
-* Version 2.2 introduces some API changes as detailed in the release notes.  It remains fully backwards compatible with 2.1, but will raise `PendingDeprecationWarning` warnings if you use bits of API that are due to be deprecated.  These warnings are silent by default, but can be explicitly enabled when you're ready to start migrating any required changes.  For example if you start running your tests using `python -Wd manage.py test`, you'll be warned of any API changes you need to make.
-
-* Version 2.3 will escalate these warnings to `DeprecationWarning`, which is loud by default.
-
-* Version 2.4 will remove the deprecated bits of API entirely.
-
-Note that in line with Django's policy, any parts of the framework not mentioned in the documentation should generally be considered private API, and may be subject to change.
-
-## Community
-
-As of the 2.2 merge, we've also hit an impressive milestone.  The number of committers listed in [the credits][credits], is now at over **one hundred individuals**.  Each name on that list represents at least one merged pull request, however large or small.
-
-Our [mailing list][mailing-list] and #restframework IRC channel are also very active, and we've got a really impressive rate of development both on REST framework itself, and on third party packages such as the great [django-rest-framework-docs][django-rest-framework-docs] package from [Marc Gibbons][marcgibbons].
-
----
-
-## API changes
-
-The 2.2 release makes a few changes to the API, in order to make it more consistent, simple, and easier to use.
-
-### Cleaner to-many related fields
-
-The `ManyRelatedField()` style is being deprecated in favor of a new `RelatedField(many=True)` syntax.
-
-For example, if a user is associated with multiple questions, which we want to represent using a primary key relationship, we might use something like the following:
-
-    class UserSerializer(serializers.HyperlinkedModelSerializer):
-        questions = serializers.PrimaryKeyRelatedField(many=True)
-
-        class Meta:
-            fields = ('username', 'questions')
-
-The new syntax is cleaner and more obvious, and the change will also make the documentation cleaner, simplify the internal API, and make writing custom relational fields easier.
-
-The change also applies to serializers.  If you have a nested serializer, you should start using `many=True` for to-many relationships.  For example, a serializer representation of an Album that can contain many Tracks might look something like this:
-
-    class TrackSerializer(serializer.ModelSerializer):
-        class Meta:
-            model = Track
-            fields = ('name', 'duration')
-
-    class AlbumSerializer(serializer.ModelSerializer):
-        tracks = TrackSerializer(many=True)
-
-        class Meta:
-            model = Album
-            fields = ('album_name', 'artist', 'tracks')
-
-Additionally, the change also applies when serializing or deserializing data.  For example to serialize a queryset of models you should now use the `many=True` flag.
-
-    serializer = SnippetSerializer(Snippet.objects.all(), many=True)
-    serializer.data
-
-This more explicit behavior on serializing and deserializing data [makes integration with non-ORM backends such as MongoDB easier][564], as instances to be serialized can include the `__iter__` method, without incorrectly triggering list-based serialization, or requiring workarounds.
-
-The implicit to-many behavior on serializers, and the `ManyRelatedField` style classes will continue to function, but will raise a `PendingDeprecationWarning`, which can be made visible using the `-Wd` flag.
-
-**Note**: If you need to forcibly turn off the implicit "`many=True` for `__iter__` objects" behavior, you can now do so by specifying `many=False`.  This will become the default (instead of the current default of `None`) once the deprecation of the implicit behavior is finalised in version 2.4.
-
-### Cleaner optional relationships
-
-Serializer relationships for nullable Foreign Keys will change from using the current `null=True` flag, to instead using `required=False`.
-
-For example, is a user account has an optional foreign key to a company, that you want to express using a hyperlink, you might use the following field in a `Serializer` class:
-
-    current_company = serializers.HyperlinkedRelatedField(required=False)
-
-This is in line both with the rest of the serializer fields API, and with Django's `Form` and `ModelForm` API.
-
-Using `required` throughout the serializers API means you won't need to consider if a particular field should take `blank` or `null` arguments instead of `required`, and also means there will be more consistent behavior for how fields are treated when they are not present in the incoming data.
-
-The `null=True` argument will continue to function, and will imply `required=False`, but will raise a `PendingDeprecationWarning`.
-
-### Cleaner CharField syntax
-
-The `CharField` API previously took an optional `blank=True` argument, which was intended to differentiate between null CharField input, and blank CharField input.
-
-In keeping with Django's CharField API, REST framework's `CharField` will only ever return the empty string, for missing or `None` inputs.  The `blank` flag will no longer be in use, and you should instead just use the `required=<bool>` flag.  For example:
-
-    extra_details = CharField(required=False)
-
-The `blank` keyword argument will continue to function, but will raise a `PendingDeprecationWarning`.
-
-### Simpler object-level permissions
-
-Custom permissions classes previously used the signature `.has_permission(self, request, view, obj=None)`.  This method would be called twice, firstly for the global permissions check, with the `obj` parameter set to `None`, and again for the object-level permissions check when appropriate, with the `obj` parameter set to the relevant model instance.
-
-The global permissions check and object-level permissions check are now separated into two separate methods, which gives a cleaner, more obvious API.
-
-* Global permission checks now use the `.has_permission(self, request, view)` signature.
-* Object-level permission checks use a new method `.has_object_permission(self, request, view, obj)`.
-
-For example, the following custom permission class:
-
-    class IsOwner(permissions.BasePermission):
-        """
-        Custom permission to only allow owners of an object to view or edit it.
-        Model instances are expected to include an `owner` attribute.
-        """
-
-        def has_permission(self, request, view, obj=None):
-            if obj is None:
-                # Ignore global permissions check
-                return True
-
-            return obj.owner == request.user
-
-Now becomes:
-
-    class IsOwner(permissions.BasePermission):
-        """
-        Custom permission to only allow owners of an object to view or edit it.
-        Model instances are expected to include an `owner` attribute.
-        """
-
-        def has_object_permission(self, request, view, obj):
-            return obj.owner == request.user
-
-If you're overriding the `BasePermission` class, the old-style signature will continue to function, and will correctly handle both global and object-level permissions checks, but its use will raise a `PendingDeprecationWarning`.
-
-Note also that the usage of the internal APIs for permission checking on the `View` class has been cleaned up slightly, and is now documented and subject to the deprecation policy in all future versions.
-
-### More explicit hyperlink relations behavior
-
-When using a serializer with a `HyperlinkedRelatedField` or `HyperlinkedIdentityField`, the hyperlinks would previously use absolute URLs if the serializer context included a `'request'` key, and fall back to using relative URLs otherwise.  This could lead to non-obvious behavior, as it might not be clear why some serializers generated absolute URLs, and others do not.
-
-From version 2.2 onwards, serializers with hyperlinked relationships *always* require a `'request'` key to be supplied in the context dictionary.  The implicit behavior will continue to function, but its use will raise a `PendingDeprecationWarning`.
-
-[xordoquy]: https://github.com/xordoquy
-[django-python-3]: https://docs.djangoproject.com/en/stable/faq/install/#can-i-use-django-with-python-3
-[porting-python-3]: https://docs.djangoproject.com/en/stable/topics/python3/
-[python-compat]: https://docs.djangoproject.com/en/stable/releases/1.5/#python-compatibility
-[django-deprecation-policy]: https://docs.djangoproject.com/en/stable/internals/release-process/#internal-release-deprecation-policy
-[credits]: http://www.django-rest-framework.org/topics/credits
-[mailing-list]: https://groups.google.com/forum/?fromgroups#!forum/django-rest-framework
-[django-rest-framework-docs]: https://github.com/marcgibbons/django-rest-framework-docs
-[marcgibbons]: https://github.com/marcgibbons/
-[issues]: https://github.com/encode/django-rest-framework/issues
-[564]: https://github.com/encode/django-rest-framework/issues/564
diff --git a/docs/topics/2.3-announcement.md b/docs/topics/2.3-announcement.md
deleted file mode 100644
index d9bab39dc..000000000
--- a/docs/topics/2.3-announcement.md
+++ /dev/null
@@ -1,264 +0,0 @@
-# Django REST framework 2.3
-
-REST framework 2.3 makes it even quicker and easier to build your Web APIs.
-
-## ViewSets and Routers
-
-The 2.3 release introduces the [ViewSet][viewset] and [Router][router] classes.
-
-A viewset is simply a type of class-based view that allows you to group multiple views into a single common class.
-
-Routers allow you to automatically determine the URLconf for your viewset classes.
-
-As an example of just how simple REST framework APIs can now be, here's an API written in a single `urls.py` module:
-
-    """
-    A REST framework API for viewing and editing users and groups.
-    """
-    from django.conf.urls.defaults import url, include
-    from django.contrib.auth.models import User, Group
-    from rest_framework import viewsets, routers
-
-
-    # ViewSets define the view behavior.
-    class UserViewSet(viewsets.ModelViewSet):
-        model = User
-
-    class GroupViewSet(viewsets.ModelViewSet):
-        model = Group
-
-
-    # Routers provide an easy way of automatically determining the URL conf
-    router = routers.DefaultRouter()
-    router.register(r'users', UserViewSet)
-    router.register(r'groups', GroupViewSet)
-
-
-    # Wire up our API using automatic URL routing.
-    # Additionally, we include login URLs for the browsable API.
-    urlpatterns = [
-        url(r'^', include(router.urls)),
-        url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework'))
-    ]
-
-The best place to get started with ViewSets and Routers is to take a look at the [newest section in the tutorial][part-6], which demonstrates their usage.
-
-## Simpler views
-
-This release rationalises the API and implementation of the generic views, dropping the dependency on Django's `SingleObjectMixin` and `MultipleObjectMixin` classes, removing a number of unneeded attributes, and generally making the implementation more obvious and easy to work with.
-
-This improvement is reflected in improved documentation for the `GenericAPIView` base class, and should make it easier to determine how to override methods on the base class if you need to write customized subclasses.
-
-## Easier Serializers
-
-REST framework lets you be totally explicit regarding how you want to represent relationships, allowing you to choose between styles such as hyperlinking or primary key relationships.
-
-The ability to specify exactly how you want to represent relationships is powerful, but it also introduces complexity.  In order to keep things more simple, REST framework now allows you to include reverse relationships simply by including the field name in the `fields` metadata of the serializer class.
-
-For example, in REST framework 2.2, reverse relationships needed to be included explicitly on a serializer class.
-
-    class BlogSerializer(serializers.ModelSerializer):
-        comments = serializers.PrimaryKeyRelatedField(many=True)
-
-        class Meta:
-            model = Blog
-            fields = ('id', 'title', 'created', 'comments')
-
-As of 2.3, you can simply include the field name, and the appropriate serializer field will automatically be used for the relationship.
-
-    class BlogSerializer(serializers.ModelSerializer):
-        """
-        Don't need to specify the 'comments' field explicitly anymore.
-        """
-        class Meta:
-            model = Blog
-            fields = ('id', 'title', 'created', 'comments')
-
-Similarly, you can now easily include the primary key in hyperlinked relationships, simply by adding the field name to the metadata.
-
-    class BlogSerializer(serializers.HyperlinkedModelSerializer):
-        """
-        This is a hyperlinked serializer, which default to using
-        a field named 'url' as the primary identifier.
-        Note that we can now easily also add in the 'id' field.
-        """
-        class Meta:
-            model = Blog
-            fields = ('url', 'id', 'title', 'created', 'comments')
-
-## More flexible filtering
-
-The `FILTER_BACKEND` setting has moved to pending deprecation, in favor of a `DEFAULT_FILTER_BACKENDS` setting that takes a *list* of filter backend classes, instead of a single filter backend class.
-
-The generic view `filter_backend` attribute has also been moved to pending deprecation in favor of a `filter_backends` setting.
-
-Being able to specify multiple filters will allow for more flexible, powerful behavior.  New filter classes to handle searching and ordering of results are planned to be released shortly.
-
----
-
-# API Changes
-
-## Simplified generic view classes
-
-The functionality provided by `SingleObjectAPIView` and `MultipleObjectAPIView` base classes has now been moved into the base class `GenericAPIView`.  The implementation of this base class is simple enough that providing subclasses for the base classes of detail and list views is somewhat unnecessary.
-
-Additionally the base generic view no longer inherits from Django's `SingleObjectMixin` or `MultipleObjectMixin` classes, simplifying the implementation, and meaning you don't need to cross-reference across to Django's codebase.
-
-Using the `SingleObjectAPIView` and `MultipleObjectAPIView` base classes continues to be supported, but will raise a `PendingDeprecationWarning`.  You should instead simply use `GenericAPIView` as the base for any generic view subclasses.
-
-### Removed attributes
-
-The following attributes and methods, were previously present as part of Django's generic view implementations, but were unneeded and unused and have now been entirely removed.
-
-* context_object_name
-* get_context_data()
-* get_context_object_name()
-
-The following attributes and methods, which were previously present as part of Django's generic view implementations have also been entirely removed.
-
-* paginator_class
-* get_paginator()
-* get_allow_empty()
-* get_slug_field()
-
-There may be cases when removing these bits of API might mean you need to write a little more code if your view has highly customized behavior, but generally we believe that providing a coarser-grained API will make the views easier to work with, and is the right trade-off to make for the vast majority of cases.
-
-Note that the listed attributes and methods have never been a documented part of the REST framework API, and as such are not covered by the deprecation policy.
-
-### Simplified methods
-
-The `get_object` and `get_paginate_by` methods no longer take an optional queryset argument.  This makes overridden these methods more obvious, and a little more simple.
-
-Using an optional queryset with these methods continues to be supported, but will raise a `PendingDeprecationWarning`.
-
-The `paginate_queryset` method no longer takes a `page_size` argument, or returns a four-tuple of pagination information.  Instead it simply takes a queryset argument, and either returns a `page` object with an appropriate page size, or returns `None`, if pagination is not configured for the view.
-
-Using the `page_size` argument is still supported and will trigger the old-style return type, but will raise a `PendingDeprecationWarning`.
-
-### Deprecated attributes
-
-The following attributes are used to control queryset lookup, and have all been moved into a pending deprecation state.
-
-* pk_url_kwarg = 'pk'
-* slug_url_kwarg = 'slug'
-* slug_field = 'slug'
-
-Their usage is replaced with a single attribute:
-
-* lookup_field = 'pk'
-
-This attribute is used both as the regex keyword argument in the URL conf, and as the model field to filter against when looking up a model instance.  To use non-pk based lookup, simply set the `lookup_field` argument to an alternative field, and ensure that the keyword argument in the url conf matches the field name.
-
-For example, a view with 'username' based lookup might look like this:
-
-    class UserDetail(generics.RetrieveAPIView):
-        lookup_field = 'username'
-        queryset = User.objects.all()
-        serializer_class = UserSerializer
-
-And would have the following entry in the urlconf:
-
-     url(r'^users/(?P<username>\w+)/$', UserDetail.as_view()),
-
-Usage of the old-style attributes continues to be supported, but will raise a `PendingDeprecationWarning`.
-
-The `allow_empty` attribute is also deprecated.  To use `allow_empty=False` style behavior you should explicitly override `get_queryset` and raise an `Http404` on empty querysets.
-
-For example:
-
-    class DisallowEmptyQuerysetMixin(object):
-        def get_queryset(self):
-            queryset = super(DisallowEmptyQuerysetMixin, self).get_queryset()
-            if not queryset.exists():
-                raise Http404
-            return queryset
-
-In our opinion removing lesser-used attributes like `allow_empty` helps us move towards simpler generic view implementations, making them more obvious to use and override, and re-enforcing the preferred style of developers writing their own base classes and mixins for custom behavior rather than relying on the configurability of the generic views.
-
-## Simpler URL lookups
-
-The `HyperlinkedRelatedField` class now takes a single optional `lookup_field` argument, that replaces the `pk_url_kwarg`, `slug_url_kwarg`, and `slug_field` arguments.
-
-For example, you might have a field that references it's relationship by a hyperlink based on a slug field:
-
-        account = HyperlinkedRelatedField(read_only=True,
-                                          lookup_field='slug',
-                                          view_name='account-detail')
-
-Usage of the old-style attributes continues to be supported, but will raise a `PendingDeprecationWarning`.
-
-## FileUploadParser
-
-2.3 adds a `FileUploadParser` parser class, that supports raw file uploads, in addition to the existing multipart upload support.
-
-## DecimalField
-
-2.3 introduces a `DecimalField` serializer field, which returns `Decimal` instances.
-
-For most cases APIs using model fields will behave as previously, however if you are using a custom renderer, not provided by REST framework, then you may now need to add support for rendering `Decimal` instances to your renderer implementation.
-
-## ModelSerializers and reverse relationships
-
-The support for adding reverse relationships to the `fields` option on a `ModelSerializer` class means that the `get_related_field` and `get_nested_field` method signatures have now changed.
-
-In the unlikely event that you're providing a custom serializer class, and implementing these methods you should note the new call signature for both methods is now `(self, model_field, related_model, to_many)`.  For reverse relationships `model_field` will be `None`.
-
-The old-style signature will continue to function but will raise a `PendingDeprecationWarning`.
-
-## View names and descriptions
-
-The mechanics of how the names and descriptions used in the browsable API are generated has been modified and cleaned up somewhat.
-
-If you've been customizing this behavior, for example perhaps to use `rst` markup for the browsable API, then you'll need to take a look at the implementation to see what updates you need to make.
-
-Note that the relevant methods have always been private APIs, and the docstrings called them out as intended to be deprecated.
-
----
-
-# Other notes
-
-## More explicit style
-
-The usage of `model` attribute in generic Views is still supported, but it's usage is generally being discouraged throughout the documentation, in favour of the setting the more explicit `queryset` and `serializer_class` attributes.
-
-For example, the following is now the recommended style for using generic views:
-
-    class AccountListView(generics.RetrieveAPIView):
-        queryset = MyModel.objects.all()
-        serializer_class = MyModelSerializer
-
-Using an explicit `queryset` and `serializer_class` attributes makes the functioning of the view more clear than using the shortcut `model` attribute.
-
-It also makes the usage of the `get_queryset()` or `get_serializer_class()` methods more obvious.
-
-    class AccountListView(generics.RetrieveAPIView):
-        serializer_class = MyModelSerializer
-
-        def get_queryset(self):
-            """
-            Determine the queryset dynamically, depending on the
-            user making the request.
-
-            Note that overriding this method follows on more obviously now
-            that an explicit `queryset` attribute is the usual view style.
-            """
-            return self.user.accounts
-
-## Django 1.3 support
-
-The 2.3.x release series will be the last series to provide compatibility with Django 1.3.
-
-## Version 2.2 API changes
-
-All API changes in 2.2 that previously raised `PendingDeprecationWarning` will now raise a `DeprecationWarning`, which is loud by default.
-
-## What comes next?
-
-* Support for read-write nested serializers is almost complete, and due to be released in the next few weeks.
-* Extra filter backends for searching and ordering of results are planned to be added shortly.
-
-The next few months should see a renewed focus on addressing outstanding tickets.  The 2.4 release is currently planned for around August-September.
-
-[viewset]: ../api-guide/viewsets.md
-[router]: ../api-guide/routers.md
-[part-6]: ../tutorial/6-viewsets-and-routers.md
diff --git a/docs/topics/2.4-announcement.md b/docs/topics/2.4-announcement.md
deleted file mode 100644
index 8bbe61335..000000000
--- a/docs/topics/2.4-announcement.md
+++ /dev/null
@@ -1,172 +0,0 @@
-# Django REST framework 2.4
-
-The 2.4 release is largely an intermediate step, tying up some outstanding issues prior to the 3.x series.
-
-## Version requirements
-
-Support for Django 1.3 has been dropped.
-The lowest supported version of Django is now 1.4.2.
-
-The current plan is for REST framework to remain in lockstep with [Django's long-term support policy][lts-releases].
-
-## Django 1.7 support
-
-The optional authtoken application now includes support for *both* Django 1.7 schema migrations, *and* for old-style `south` migrations.
-
-**If you are using authtoken, and you want to continue using `south`, you must upgrade your `south` package to version 1.0.**
-
-## Deprecation of `.model` view attribute
-
-The `.model` attribute on view classes is an optional shortcut for either or both of `.serializer_class` and `.queryset`. Its usage results in more implicit, less obvious behavior.
-
-The documentation has previously stated that usage of the more explicit style is prefered, and we're now taking that one step further and deprecating the usage of the `.model` shortcut.
-
-Doing so will mean that there are cases of API code where you'll now need to include a serializer class where you previously were just using the `.model` shortcut. However we firmly believe that it is the right trade-off to make.
-
-Removing the shortcut takes away an unnecessary layer of abstraction, and makes your codebase more explicit without any significant extra complexity. It also results in better consistency, as there's now only one way to set the serializer class and queryset attributes for the view, instead of two.
-
-The `DEFAULT_MODEL_SERIALIZER_CLASS` API setting is now also deprecated.
-
-## Updated test runner
-
-We now have a new test runner for developing against the project,, that uses the excellent [py.test](http://pytest.org) library.
-
-To use it make sure you have first installed the test requirements.
-
-    pip install -r requirements-test.txt
-
-Then run the `runtests.py` script.
-
-    ./runtests.py
-
-The new test runner also includes [flake8](https://flake8.readthedocs.io) code linting, which should help keep our coding style consistent.
-
-#### Test runner flags
-
-Run using a more concise output style.
-
-    ./runtests -q
-
-Run the tests using a more concise output style, no coverage, no flake8.
-
-    ./runtests --fast
-
-Don't run the flake8 code linting.
-
-    ./runtests --nolint
-
-Only run the flake8 code linting, don't run the tests.
-
-    ./runtests --lintonly
-
-Run the tests for a given test case.
-
-    ./runtests MyTestCase
-
-Run the tests for a given test method.
-
-    ./runtests MyTestCase.test_this_method
-
-Shorter form to run the tests for a given test method.
-
-    ./runtests test_this_method
-
-Note: The test case and test method matching is fuzzy and will sometimes run other tests that contain a partial string match to the given  command line input.
-
-## Improved viewset routing
-
-The `@action` and `@link` decorators were inflexible in that they only allowed additional routes to be added against instance style URLs, not against list style URLs.
-
-The `@action` and `@link` decorators have now been moved to pending deprecation, and the `@list_route` and `@detail_route` decorators have been introduced.
-
-Here's an example of using the new decorators. Firstly we have a detail-type route named "set_password" that acts on a single instance, and takes a `pk` argument in the URL. Secondly we have a list-type route named "recent_users" that acts on a queryset, and does not take any arguments in the URL.
-
-    class UserViewSet(viewsets.ModelViewSet):
-        """
-        A viewset that provides the standard actions
-        """
-        queryset = User.objects.all()
-        serializer_class = UserSerializer
-
-        @detail_route(methods=['post'])
-        def set_password(self, request, pk=None):
-            user = self.get_object()
-            serializer = PasswordSerializer(data=request.DATA)
-            if serializer.is_valid():
-                user.set_password(serializer.data['password'])
-                user.save()
-                return Response({'status': 'password set'})
-            else:
-                return Response(serializer.errors,
-                                status=status.HTTP_400_BAD_REQUEST)
-
-        @list_route()
-        def recent_users(self, request):
-            recent_users = User.objects.all().order('-last_login')
-            page = self.paginate_queryset(recent_users)
-            serializer = self.get_pagination_serializer(page)
-            return Response(serializer.data)
-
-For more details, see the [viewsets documentation](../api-guide/viewsets.md).
-
-## Throttle behavior
-
-There's one bugfix in 2.4 that's worth calling out, as it will *invalidate existing throttle caches* when you upgrade.
-
-We've now fixed a typo on the `cache_format` attribute. Previously this was named `"throtte_%(scope)s_%(ident)s"`, it is now `"throttle_%(scope)s_%(ident)s"`.
-
-If you're concerned about the invalidation you have two options.
-
-* Manually pre-populate your cache with the fixed version.
-* Set the `cache_format` attribute on your throttle class in order to retain the previous incorrect spelling.
-
-## Other features
-
-There are also a number of other features and bugfixes as [listed in the release notes][2-4-release-notes]. In particular these include:
-
-[Customizable view name and description functions][view-name-and-description-settings] for use with the browsable API, by using the `VIEW_NAME_FUNCTION` and `VIEW_DESCRIPTION_FUNCTION` settings.
-
-Smarter [client IP identification for throttling][client-ip-identification], with the addition of the `NUM_PROXIES` setting.
-
-Added the standardized `Retry-After` header to throttled responses, as per [RFC 6585](http://tools.ietf.org/html/rfc6585). This should now be used in preference to the custom `X-Throttle-Wait-Seconds` header which will be fully deprecated in 3.0.
-
-## Deprecations
-
-All API changes in 2.3 that previously raised `PendingDeprecationWarning` will now raise a `DeprecationWarning`, which is loud by default.
-
-All API changes in 2.3 that previously raised `DeprecationWarning` have now been removed entirely.
-
-Furter details on these deprecations is available in the [2.3 announcement][2-3-announcement].
-
-## Labels and milestones
-
-Although not strictly part of the 2.4 release it's also worth noting here that we've been working hard towards improving our triage process.
-
-The [labels that we use in GitHub][github-labels] have been cleaned up, and all existing tickets triaged. Any given ticket should have one and only one label, indicating its current state.
-
-We've also [started using milestones][github-milestones] in order to track tickets against particular releases.
-
----
-
-![Labels and milestones](../img/labels-and-milestones.png)
-
-**Above**: *Overview of our current use of labels and milestones in GitHub.*
-
----
-
-We hope both of these changes will help make the management process more clear and obvious and help keep tickets well-organised and relevant.
-
-## Next steps
-
-The next planned release will be 3.0, featuring an improved and simplified serializer implementation.
-
-Once again, many thanks to all the generous [backers and sponsors][kickstarter-sponsors] who've helped make this possible!
-
-[lts-releases]: https://docs.djangoproject.com/en/stable/internals/release-process/#long-term-support-lts-releases
-[2-4-release-notes]: release-notes#240
-[view-name-and-description-settings]: ../api-guide/settings#view-names-and-descriptions
-[client-ip-identification]: ../api-guide/throttling#how-clients-are-identified
-[2-3-announcement]: 2.3-announcement
-[github-labels]: https://github.com/encode/django-rest-framework/issues
-[github-milestones]: https://github.com/encode/django-rest-framework/milestones
-[kickstarter-sponsors]: kickstarter-announcement#sponsors
diff --git a/docs/topics/ajax-csrf-cors.md b/docs/topics/ajax-csrf-cors.md
index 4960e0881..646f3f563 100644
--- a/docs/topics/ajax-csrf-cors.md
+++ b/docs/topics/ajax-csrf-cors.md
@@ -33,9 +33,9 @@ The best way to deal with CORS in REST framework is to add the required response
 
 [Otto Yiu][ottoyiu] maintains the [django-cors-headers] package, which is known to work correctly with REST framework APIs.
 
-[cite]: http://www.codinghorror.com/blog/2008/10/preventing-csrf-and-xsrf-attacks.html
+[cite]: https://blog.codinghorror.com/preventing-csrf-and-xsrf-attacks/
 [csrf]: https://www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF)
 [csrf-ajax]: https://docs.djangoproject.com/en/stable/ref/csrf/#ajax
-[cors]: http://www.w3.org/TR/cors/
+[cors]: https://www.w3.org/TR/cors/
 [ottoyiu]: https://github.com/ottoyiu/
 [django-cors-headers]: https://github.com/ottoyiu/django-cors-headers/
diff --git a/docs/topics/api-clients.md b/docs/topics/api-clients.md
index 019b48b3d..3fd560634 100644
--- a/docs/topics/api-clients.md
+++ b/docs/topics/api-clients.md
@@ -253,7 +253,7 @@ The `TokenAuthentication` class can be used to support REST framework's built-in
 `TokenAuthentication`, as well as OAuth and JWT schemes.
 
     auth = coreapi.auth.TokenAuthentication(
-        scheme='JWT'
+        scheme='JWT',
         token='<token>'
     )
     client = coreapi.Client(auth=auth)
@@ -269,8 +269,8 @@ For example, using the "Django REST framework JWT" package
     client = coreapi.Client()
     schema = client.get('https://api.example.org/')
 
-    action = ['api-token-auth', 'obtain-token']
-    params = {username: "example", email: "example@example.com"}
+    action = ['api-token-auth', 'create']
+    params = {"username": "example", "password": "secret"}
     result = client.action(schema, action, params)
 
     auth = coreapi.auth.TokenAuthentication(
@@ -395,7 +395,7 @@ Once the API documentation URLs are installed, you'll be able to include both th
         /static/rest_framework/js/coreapi-0.1.1.js
         /docs/schema.js
     -->
-    {% load staticfiles %}
+    {% load static %}
     <script src="{% static 'rest_framework/js/coreapi-0.1.1.js' %}"></script>
     <script src="{% url 'api-docs:schema-js' %}"></script>
 
@@ -521,7 +521,7 @@ You'll either want to include the API schema in your codebase directly, by copyi
     })
 
 [heroku-api]: https://devcenter.heroku.com/categories/platform-api
-[heroku-example]: http://www.coreapi.org/tools-and-resources/example-services/#heroku-json-hyper-schema
-[core-api]: http://www.coreapi.org/
+[heroku-example]: https://www.coreapi.org/tools-and-resources/example-services/#heroku-json-hyper-schema
+[core-api]: https://www.coreapi.org/
 [schema-generation]: ../api-guide/schemas.md
 [transport-adaptors]: http://docs.python-requests.org/en/master/user/advanced/#transport-adapters
diff --git a/docs/topics/browsable-api.md b/docs/topics/browsable-api.md
index a0ca6626b..ed70c4901 100644
--- a/docs/topics/browsable-api.md
+++ b/docs/topics/browsable-api.md
@@ -44,7 +44,7 @@ Full example:
     {% extends "rest_framework/base.html" %}
 
     {% block bootstrap_theme %}
-        <link rel="stylesheet" href="http://bootswatch.com/flatly/bootstrap.min.css" type="text/css">
+        <link rel="stylesheet" href="https://bootswatch.com/flatly/bootstrap.min.css" type="text/css">
     {% endblock %}
 
     {% block bootstrap_navbar_variant %}{% endblock %}
@@ -94,6 +94,8 @@ To add branding and customize the look-and-feel of the login template, create a
 
 You can add your site name or branding by including the branding block:
 
+    {% extends "rest_framework/login_base.html" %}
+
     {% block branding %}
         <h3 style="margin: 0 0 20px;">My Site Name</h3>
     {% endblock %}
@@ -148,17 +150,15 @@ There are [a variety of packages for autocomplete widgets][autocomplete-packages
 
 ---
 
-[cite]: http://en.wikiquote.org/wiki/Alfred_North_Whitehead
+[cite]: https://en.wikiquote.org/wiki/Alfred_North_Whitehead
 [drfreverse]: ../api-guide/reverse.md
 [ffjsonview]: https://addons.mozilla.org/en-US/firefox/addon/jsonview/
 [chromejsonview]: https://chrome.google.com/webstore/detail/chklaanhfefbnpoihckbnefhakgolnmc
-[bootstrap]: http://getbootstrap.com
+[bootstrap]: https://getbootstrap.com/
 [cerulean]: ../img/cerulean.png
 [slate]: ../img/slate.png
-[bcustomize]: http://getbootstrap.com/2.3.2/customize.html
-[bswatch]: http://bootswatch.com/
-[bcomponents]: http://getbootstrap.com/2.3.2/components.html
-[bcomponentsnav]: http://getbootstrap.com/2.3.2/components.html#navbar
+[bswatch]: https://bootswatch.com/
+[bcomponents]: https://getbootstrap.com/2.3.2/components.html
+[bcomponentsnav]: https://getbootstrap.com/2.3.2/components.html#navbar
 [autocomplete-packages]: https://www.djangopackages.com/grids/g/auto-complete/
 [django-autocomplete-light]: https://github.com/yourlabs/django-autocomplete-light
-[django-autocomplete-light-install]: https://django-autocomplete-light.readthedocs.io/en/master/install.html
diff --git a/docs/topics/browser-enhancements.md b/docs/topics/browser-enhancements.md
index 7517ecbc0..67c1c1898 100644
--- a/docs/topics/browser-enhancements.md
+++ b/docs/topics/browser-enhancements.md
@@ -51,13 +51,15 @@ For example:
 
     METHOD_OVERRIDE_HEADER = 'HTTP_X_HTTP_METHOD_OVERRIDE'
 
-    class MethodOverrideMiddleware(object):
-        def process_view(self, request, callback, callback_args, callback_kwargs):
-            if request.method != 'POST':
-                return
-            if METHOD_OVERRIDE_HEADER not in request.META:
-                return
-            request.method = request.META[METHOD_OVERRIDE_HEADER]
+    class MethodOverrideMiddleware:
+
+        def __init__(self, get_response):
+            self.get_response = get_response
+
+        def __call__(self, request):
+            if request.method == 'POST' and METHOD_OVERRIDE_HEADER in request.META:
+                request.method = request.META[METHOD_OVERRIDE_HEADER]
+            return self.get_response(request)
 
 ## URL based accept headers
 
@@ -80,8 +82,8 @@ was later [dropped from the spec][html5].  There remains
 [ongoing discussion][put_delete] about adding support for `PUT` and `DELETE`,
 as well as how to support content types other than form-encoded data.
 
-[cite]: http://www.amazon.com/Restful-Web-Services-Leonard-Richardson/dp/0596529260
-[ajax-form]: https://github.com/encode/ajax-form
-[rails]: http://guides.rubyonrails.org/form_helpers.html#how-do-forms-with-put-or-delete-methods-work
-[html5]: http://www.w3.org/TR/html5-diff/#changes-2010-06-24
+[cite]: https://www.amazon.com/RESTful-Web-Services-Leonard-Richardson/dp/0596529260
+[ajax-form]: https://github.com/tomchristie/ajax-form
+[rails]: https://guides.rubyonrails.org/form_helpers.html#how-do-forms-with-put-or-delete-methods-work
+[html5]: https://www.w3.org/TR/html5-diff/#changes-2010-06-24
 [put_delete]: http://amundsen.com/examples/put-delete-forms/
diff --git a/docs/topics/documenting-your-api.md b/docs/topics/documenting-your-api.md
index 425b02eb8..b4c7dea4d 100644
--- a/docs/topics/documenting-your-api.md
+++ b/docs/topics/documenting-your-api.md
@@ -4,164 +4,139 @@
 >
 > &mdash; Roy Fielding, [REST APIs must be hypertext driven][cite]
 
-REST framework provides built-in support for API documentation. There are also a number of great third-party documentation tools available.
+REST framework provides built-in support for generating OpenAPI schemas, which
+can be used with tools that allow you to build API documentation.
 
-## Built-in API documentation
+There are also a number of great third-party documentation packages available.
 
-The built-in API documentation includes:
+## Generating documentation from OpenAPI schemas
 
-* Documentation of API endpoints.
-* Automatically generated code samples for each of the available API client libraries.
-* Support for API interaction.
+There are a number of packages available that allow you to generate HTML
+documentation pages from OpenAPI schemas.
 
-### Installation
+Two popular options are [Swagger UI][swagger-ui] and [ReDoc][redoc].
 
-The `coreapi` library is required as a dependancy for the API docs. Make sure
-to install the latest version. The `pygments` and `markdown` libraries
-are optional but recommended.
+Both require little more than the location of your static schema file or
+dynamic `SchemaView` endpoint.
 
-To install the API documentation, you'll need to include it in your projects URLconf:
+### A minimal example with Swagger UI
 
-    from rest_framework.documentation import include_docs_urls
+Assuming you've followed the example from the schemas documentation for routing
+a dynamic `SchemaView`, a minimal Django template for using Swagger UI might be
+this:
 
-    urlpatterns = [
-        ...
-        url(r'^docs/', include_docs_urls(title='My API title'))
-    ]
+```html
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Swagger</title>
+    <meta charset="utf-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel="stylesheet" type="text/css" href="//unpkg.com/swagger-ui-dist@3/swagger-ui.css" />
+  </head>
+  <body>
+    <div id="swagger-ui"></div>
+    <script src="//unpkg.com/swagger-ui-dist@3/swagger-ui-bundle.js"></script>
+    <script>
+    const ui = SwaggerUIBundle({
+        url: "{% url schema_url %}",
+        dom_id: '#swagger-ui',
+        presets: [
+          SwaggerUIBundle.presets.apis,
+          SwaggerUIBundle.SwaggerUIStandalonePreset
+        ],
+        layout: "BaseLayout"
+      })
+    </script>
+  </body>
+</html>
+```
 
-This will include two different views:
+Save this in your templates folder as `swagger-ui.html`. Then route a
+`TemplateView` in your project's URL conf:
 
-  * `/docs/` - The documentation page itself.
-  * `/docs/schema.js` - A JavaScript resource that exposes the API schema.
+```python
+from django.views.generic import TemplateView
 
----
+urlpatterns = [
+    # ...
+    # Route TemplateView to serve Swagger UI template.
+    #   * Provide `extra_context` with view name of `SchemaView`.
+    path('swagger-ui/', TemplateView.as_view(
+        template_name='swagger-ui.html',
+        extra_context={'schema_url':'openapi-schema'}
+    ), name='swagger-ui'),
+]
+```
 
-**Note**: By default `include_docs_urls` configures the underlying `SchemaView` to generate _public_ schemas.
-This means that views will not be instantiated with a `request` instance. i.e. Inside the view `self.request` will be `None`.
+See the [Swagger UI documentation][swagger-ui] for advanced usage.
 
-To be compatible with this behaviour methods (such as `get_serializer` or `get_serializer_class` etc.) which inspect `self.request` or, particularly, `self.request.user` may need to be adjusted to handle this case.
+### A minimal example with ReDoc.
 
-You may ensure views are given a `request` instance by calling `include_docs_urls` with `public=False`:
+Assuming you've followed the example from the schemas documentation for routing
+a dynamic `SchemaView`, a minimal Django template for using ReDoc might be
+this:
 
-    from rest_framework.documentation import include_docs_urls
+```html
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>ReDoc</title>
+    <!-- needed for adaptive design -->
+    <meta charset="utf-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link href="https://fonts.googleapis.com/css?family=Montserrat:300,400,700|Roboto:300,400,700" rel="stylesheet">
+    <!-- ReDoc doesn't change outer page styles -->
+    <style>
+      body {
+        margin: 0;
+        padding: 0;
+      }
+    </style>
+  </head>
+  <body>
+    <redoc spec-url='{% url schema_url %}'></redoc>
+    <script src="https://cdn.jsdelivr.net/npm/redoc@next/bundles/redoc.standalone.js"> </script>
+  </body>
+</html>
+```
 
-    urlpatterns = [
-        ...
-        # Generate schema with valid `request` instance:
-        url(r'^docs/', include_docs_urls(title='My API title', public=False))
-    ]
+Save this in your templates folder as `redoc.html`. Then route a `TemplateView`
+in your project's URL conf:
 
+```python
+from django.views.generic import TemplateView
 
----
+urlpatterns = [
+    # ...
+    # Route TemplateView to serve the ReDoc template.
+    #   * Provide `extra_context` with view name of `SchemaView`.
+    path('redoc/', TemplateView.as_view(
+        template_name='redoc.html',
+        extra_context={'schema_url':'openapi-schema'}
+    ), name='redoc'),
+]
+```
 
-
-### Documenting your views
-
-You can document your views by including docstrings that describe each of the available actions.
-For example:
-
-    class UserList(generics.ListAPIView):
-        """
-        Return a list of all the existing users.
-        """
-
-If a view supports multiple methods, you should split your documentation using `method:` style delimiters.
-
-    class UserList(generics.ListCreateAPIView):
-        """
-        get:
-        Return a list of all the existing users.
-
-        post:
-        Create a new user instance.
-        """
-
-When using viewsets, you should use the relevant action names as delimiters.
-
-    class UserViewSet(viewsets.ModelViewSet):
-        """
-        retrieve:
-        Return the given user.
-
-        list:
-        Return a list of all the existing users.
-
-        create:
-        Create a new user instance.
-        """
-
-
-### `documentation` API Reference
-
-The `rest_framework.documentation` module provides three helper functions to help configure the interactive API documentation, `include_docs_url` (usage shown above), `get_docs_view` and `get_schemajs_view`.
-
- `include_docs_url` employs `get_docs_view` and `get_schemajs_view` to generate the url patterns for the documentation page and JavaScript resource that exposes the API schema respectively. They expose the following options for customisation. (`get_docs_view` and `get_schemajs_view` ultimately call `rest_frameworks.schemas.get_schema_view()`, see the Schemas docs for more options there.)
-
-#### `include_docs_url`
-
-* `title`: Default `None`. May be used to provide a descriptive title for the schema definition.
-* `description`: Default `None`. May be used to provide a description for the schema definition.
-* `schema_url`: Default `None`. May be used to pass a canonical base URL for the schema.
-* `public`: Default `True`. Should the schema be considered _public_? If `True` schema is generated without a `request` instance being passed to views.
-* `patterns`: Default `None`. A list of URLs to inspect when generating the schema. If `None` project's URL conf will be used.
-* `generator_class`: Default `rest_framework.schemas.SchemaGenerator`. May be used to specify a `SchemaGenerator` subclass to be passed to the `SchemaView`.
-* `authentication_classes`: Default `api_settings.DEFAULT_AUTHENTICATION_CLASSES`. May be used to pass custom authentication classes to the `SchemaView`.
-* `permission_classes`: Default `api_settings.DEFAULT_PERMISSION_CLASSES` May be used to pass custom permission classes to the `SchemaView`.
-
-#### `get_docs_view`
-
-* `title`: Default `None`. May be used to provide a descriptive title for the schema definition.
-* `description`: Default `None`. May be used to provide a description for the schema definition.
-* `schema_url`: Default `None`. May be used to pass a canonical base URL for the schema.
-* `public`: Default `True`. If `True` schema is generated without a `request` instance being passed to views.
-* `patterns`: Default `None`. A list of URLs to inspect when generating the schema. If `None` project's URL conf will be used.
-* `generator_class`: Default `rest_framework.schemas.SchemaGenerator`. May be used to specify a `SchemaGenerator` subclass to be passed to the `SchemaView`.
-* `authentication_classes`: Default `api_settings.DEFAULT_AUTHENTICATION_CLASSES`. May be used to pass custom authentication classes to the `SchemaView`.
-* `permission_classes`: Default `api_settings.DEFAULT_PERMISSION_CLASSES` May be used to pass custom permission classes to the `SchemaView`.
-
-#### `get_schemajs_view`
-
-* `title`: Default `None`. May be used to provide a descriptive title for the schema definition.
-* `description`: Default `None`. May be used to provide a description for the schema definition.
-* `schema_url`: Default `None`. May be used to pass a canonical base URL for the schema.
-* `public`: Default `True`. If `True` schema is generated without a `request` instance being passed to views.
-* `patterns`: Default `None`. A list of URLs to inspect when generating the schema. If `None` project's URL conf will be used.
-* `generator_class`: Default `rest_framework.schemas.SchemaGenerator`. May be used to specify a `SchemaGenerator` subclass to be passed to the `SchemaView`.
-* `authentication_classes`: Default `api_settings.DEFAULT_AUTHENTICATION_CLASSES`. May be used to pass custom authentication classes to the `SchemaView`.
-* `permission_classes`: Default `api_settings.DEFAULT_PERMISSION_CLASSES` May be used to pass custom permission classes to the `SchemaView`.
-
----
+See the [ReDoc documentation][redoc] for advanced usage.
 
 ## Third party packages
 
 There are a number of mature third-party packages for providing API documentation.
 
-#### DRF OpenAPI
+#### drf-yasg - Yet Another Swagger Generator
 
-[DRF OpenAPI][drf-openapi] bridges the gap between OpenAPI specification and tool chain with the schema exposed
-out-of-the-box by Django Rest Framework. Its goals are:
+[drf-yasg][drf-yasg] is a [Swagger][swagger] generation tool implemented without using the schema generation provided
+by Django Rest Framework.
 
-  * To be dropped into any existing DRF project without any code change necessary.
-  * Provide clear disctinction between request schema and response schema.
-  * Provide a versioning mechanism for each schema. Support defining schema by version range syntax, e.g. >1.0, <=2.0
-  * Support multiple response codes, not just 200
-  * All this information should be bound to view methods, not view classes.
+It aims to implement as much of the [OpenAPI][open-api] specification as possible - nested schemas, named models,
+response bodies, enum/pattern/min/max validators, form parameters, etc. - and to generate documents usable with code
+generation tools like `swagger-codegen`.
 
-It also tries to stay current with the maturing schema generation mechanism provided by DRF.
+This also translates into a very useful interactive documentation viewer in the form of `swagger-ui`:
 
-![Screenshot - DRF OpenAPI][image-drf-openapi]
 
----
-
-#### DRF Docs
-
-[DRF Docs][drfdocs-repo] allows you to document Web APIs made with Django REST Framework and it is authored by Emmanouil Konstantinidis. It's made to work out of the box and its setup should not take more than a couple of minutes. Complete documentation can be found on the [website][drfdocs-website] while there is also a [demo][drfdocs-demo] available for people to see what it looks like. **Live API Endpoints** allow you to utilize the endpoints from within the documentation in a neat way.
-
-Features include customizing the template with your branding, settings for hiding the docs depending on the environment and more.
-
-Both this package and Django REST Swagger are fully documented, well supported, and come highly recommended.
-
-![Screenshot - DRF docs][image-drf-docs]
+![Screenshot - drf-yasg][image-drf-yasg]
 
 ---
 
@@ -173,7 +148,7 @@ Django REST Swagger supports REST framework versions 2.3 and above.
 
 Mark is also the author of the [REST Framework Docs][rest-framework-docs] package which offers clean, simple autogenerated documentation for your API but is deprecated and has moved to Django REST Swagger.
 
-Both this package and DRF docs are fully documented, well supported, and come highly recommended.
+This package is fully documented, well supported, and comes highly recommended.
 
 ![Screenshot - Django REST Swagger][image-django-rest-swagger]
 
@@ -235,7 +210,7 @@ When working with viewsets, an appropriate suffix is appended to each generated
 
 The description in the browsable API is generated from the docstring of the view or viewset.
 
-If the python `markdown` library is installed, then [markdown syntax][markdown] may be used in the docstring, and will be converted to HTML in the browsable API.  For example:
+If the python `Markdown` library is installed, then [markdown syntax][markdown] may be used in the docstring, and will be converted to HTML in the browsable API.  For example:
 
     class AccountListView(views.APIView):
         """
@@ -246,7 +221,7 @@ If the python `markdown` library is installed, then [markdown syntax][markdown]
         [ref]: http://example.com/activating-accounts
         """
 
-Note that when using viewsets the basic docstring is used for all generated views.  To provide descriptions for each view, such as for the the list and retrieve views, use docstring sections as described in [Schemas as documentation: Examples][schemas-examples].
+Note that when using viewsets the basic docstring is used for all generated views.  To provide descriptions for each view, such as for the list and retrieve views, use docstring sections as described in [Schemas as documentation: Examples][schemas-examples].
 
 #### The `OPTIONS` method
 
@@ -254,16 +229,19 @@ REST framework APIs also support programmatically accessible descriptions, using
 
 When using the generic views, any `OPTIONS` requests will additionally respond with metadata regarding any `POST` or `PUT` actions available, describing which fields are on the serializer.
 
-You can modify the response behavior to `OPTIONS` requests by overriding the `metadata` view method.  For example:
+You can modify the response behavior to `OPTIONS` requests by overriding the `options` view method and/or by providing a custom Metadata class.  For example:
 
-    def metadata(self, request):
+    def options(self, request, *args, **kwargs):
         """
         Don't include the view description in OPTIONS responses.
         """
-        data = super(ExampleView, self).metadata(request)
+        meta = self.metadata_class()
+        data = meta.determine_metadata(request, self)
         data.pop('description')
         return data
 
+See [the Metadata docs][metadata-docs] for more details.
+
 ---
 
 ## The hypermedia approach
@@ -274,21 +252,23 @@ In this approach, rather than documenting the available API endpoints up front,
 
 To implement a hypermedia API you'll need to decide on an appropriate media type for the API, and implement a custom renderer and parser for that media type.  The [REST, Hypermedia & HATEOAS][hypermedia-docs] section of the documentation includes pointers to background reading, as well as links to various hypermedia formats.
 
-[cite]: http://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven
-[drf-openapi]: https://github.com/limdauto/drf_openapi/
-[image-drf-openapi]: ../img/drf-openapi.png
-[drfdocs-repo]: https://github.com/ekonstantinidis/django-rest-framework-docs
-[drfdocs-website]: http://www.drfdocs.com/
-[drfdocs-demo]: http://demo.drfdocs.com/
+[cite]: https://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven
+[drf-yasg]: https://github.com/axnsan12/drf-yasg/
+[image-drf-yasg]: ../img/drf-yasg.png
 [drfautodocs-repo]: https://github.com/iMakedonsky/drf-autodocs
 [django-rest-swagger]: https://github.com/marcgibbons/django-rest-swagger
-[swagger]: https://developers.helloreverb.com/swagger/
+[swagger]: https://swagger.io/
+[open-api]: https://openapis.org/
 [rest-framework-docs]: https://github.com/marcgibbons/django-rest-framework-docs
-[apiary]: http://apiary.io/
-[markdown]: http://daringfireball.net/projects/markdown/
+[apiary]: https://apiary.io/
+[markdown]: https://daringfireball.net/projects/markdown/syntax
 [hypermedia-docs]: rest-hypermedia-hateoas.md
-[image-drf-docs]: ../img/drfdocs.png
 [image-django-rest-swagger]: ../img/django-rest-swagger.png
 [image-apiary]: ../img/apiary.png
 [image-self-describing-api]: ../img/self-describing.png
-[schemas-examples]: ../api-guide/schemas/#example
+[metadata-docs]: ../api-guide/metadata/
+
+[schemas-examples]: ../api-guide/schemas/#examples
+[swagger-ui]: https://swagger.io/tools/swagger-ui/
+[redoc]: https://github.com/Rebilly/ReDoc
+
diff --git a/docs/topics/html-and-forms.md b/docs/topics/html-and-forms.md
index dcdc77741..18774926b 100644
--- a/docs/topics/html-and-forms.md
+++ b/docs/topics/html-and-forms.md
@@ -1,10 +1,10 @@
 # HTML & Forms
 
-REST framework is suitable for returning both API style responses, and regular HTML pages. Additionally, serializers can used as HTML forms and rendered in templates.
+REST framework is suitable for returning both API style responses, and regular HTML pages. Additionally, serializers can be used as HTML forms and rendered in templates.
 
 ## Rendering HTML
 
-In order to return HTML responses you'll need to either `TemplateHTMLRenderer`, or `StaticHTMLRenderer`.
+In order to return HTML responses you'll need to use either `TemplateHTMLRenderer`, or `StaticHTMLRenderer`.
 
 The `TemplateHTMLRenderer` class expects the response to contain a dictionary of context data, and renders an HTML page based on a template that must be specified either in the view or on the response.
 
diff --git a/docs/topics/internationalization.md b/docs/topics/internationalization.md
index f7efbf697..7cfc6e247 100644
--- a/docs/topics/internationalization.md
+++ b/docs/topics/internationalization.md
@@ -43,7 +43,7 @@ REST framework includes these built-in translations both for standard exception
 
 Note that the translations only apply to the error strings themselves. The format of error messages, and the keys of field names will remain the same. An example `400 Bad Request` response body might look like this:
 
-    {"detail": {"username": ["Esse campo deve ser unico."]}}
+    {"detail": {"username": ["Esse campo deve ser único."]}}
 
 If you want to use different string for parts of the response such as `detail` and `non_field_errors` then you can modify this behavior by using a [custom exception handler][custom-exception-handler].
 
@@ -102,12 +102,11 @@ You can find more information on how the language preference is determined in th
 
 For API clients the most appropriate of these will typically be to use the `Accept-Language` header; Sessions and cookies will not be available unless using session authentication, and generally better practice to prefer an `Accept-Language` header for API clients rather than using language URL prefixes.
 
-[cite]: http://youtu.be/Wa0VfS2q94Y
+[cite]: https://youtu.be/Wa0VfS2q94Y
 [django-translation]: https://docs.djangoproject.com/en/1.7/topics/i18n/translation
-[custom-exception-handler]: ../api-guide/exceptions.md#custom-exception-handling
+[custom-exception-handler]: ../api-guide/exceptions.md#custom-exception-handling
 [transifex-project]: https://www.transifex.com/projects/p/django-rest-framework/
 [django-po-source]: https://raw.githubusercontent.com/encode/django-rest-framework/master/rest_framework/locale/en_US/LC_MESSAGES/django.po
 [django-language-preference]: https://docs.djangoproject.com/en/1.7/topics/i18n/translation/#how-django-discovers-language-preference
 [django-locale-paths]: https://docs.djangoproject.com/en/1.7/ref/settings/#std:setting-LOCALE_PATHS
 [django-locale-name]: https://docs.djangoproject.com/en/1.7/topics/i18n/#term-locale-name
-[contributing]: ../../CONTRIBUTING.md
diff --git a/docs/topics/rest-framework-2-announcement.md b/docs/topics/rest-framework-2-announcement.md
deleted file mode 100644
index ed41bb486..000000000
--- a/docs/topics/rest-framework-2-announcement.md
+++ /dev/null
@@ -1,98 +0,0 @@
-# Django REST framework 2.0
-
-> Most people just make the mistake that it should be simple to design simple things.  In reality, the effort required to design something is inversely proportional to the simplicity of the result.
->
-> &mdash; [Roy Fielding][cite]
-
----
-
-**Announcement:** REST framework 2 released - Tue 30th Oct 2012
-
----
-
-REST framework 2 is an almost complete reworking of the original framework, which comprehensively addresses some of the original design issues.
-
-Because the latest version should be considered a re-release, rather than an incremental improvement, we've skipped a version, and called this release Django REST framework 2.0.
-
-This article is intended to give you a flavor of what REST framework 2 is, and why you might want to give it a try.
-
-## User feedback
-
-Before we get cracking, let's start with the hard sell, with a few bits of feedback from some early adopters…
-
-"Django REST framework 2 is beautiful.  Some of the API design is worthy of @kennethreitz." - [Kit La Touche][quote1]
-
-"Since it's pretty much just Django, controlling things like URLs has been a breeze...  I think [REST framework 2] has definitely got the right approach here; even simple things like being able to override a function called post to do custom work during rather than having to intimately know what happens during a post make a huge difference to your productivity." - [Ian Strachan][quote2]
-
-"I switched to the 2.0 branch and I don't regret it - fully refactored my code in another &half; day and it's *much* more to my tastes" - [Bruno Desthuilliers][quote3]
-
-Sounds good, right?  Let's get into some details...
-
-## Serialization
-
-REST framework 2 includes a totally re-worked serialization engine, that was initially intended as a replacement for Django's existing inflexible fixture serialization, and which meets the following design goals:
-
-* A declarative serialization API, that mirrors Django's `Forms`/`ModelForms` API.
-* Structural concerns are decoupled from encoding concerns.
-* Able to support rendering and parsing to many formats, including both machine-readable representations and HTML forms.
-* Validation that can be mapped to obvious and comprehensive error responses.
-* Serializers that support both nested, flat, and partially-nested representations.
-* Relationships that can be expressed as primary keys, hyperlinks, slug fields, and other custom representations.
-
-Mapping between the internal state of the system and external representations of that state is the core concern of building Web APIs.  Designing serializers that allow the developer to do so in a flexible and obvious way is a deceptively difficult design task, and with the new serialization API we think we've pretty much nailed it.
-
-## Generic views
-
-When REST framework was initially released at the start of 2011, the current Django release was version 1.2.  REST framework included a backport of Django 1.3's upcoming `View` class, but it didn't take full advantage of the generic view implementations.
-
-With the new release the generic views in REST framework now tie in with Django's generic views.  The end result is that framework is clean, lightweight and easy to use.
-
-## Requests, Responses & Views
-
-REST framework 2 includes `Request` and `Response` classes, than are used in place of Django's existing `HttpRequest` and `HttpResponse` classes.  Doing so allows logic such as parsing the incoming request or rendering the outgoing response to be supported transparently by the framework.
-
-The `Request`/`Response` approach leads to a much cleaner API, less logic in the view itself, and a simple, obvious request-response cycle.
-
-REST framework 2 also allows you to work with both function-based and class-based views.  For simple API views all you need is a single `@api_view` decorator, and you're good to go.
-
-
-## API Design
-
-Pretty much every aspect of REST framework has been reworked, with the aim of ironing out some of the design flaws of the previous versions.  Each of the components of REST framework are cleanly decoupled, and can be used independently of each-other, and there are no monolithic resource classes, overcomplicated mixin combinations, or opinionated serialization or URL routing decisions.
-
-## The Browsable API
-
-Django REST framework's most unique feature is the way it is able to serve up both machine-readable representations, and a fully browsable HTML representation to the same endpoints.
-
-Browsable Web APIs are easier to work with, visualize and debug, and generally makes it easier and more frictionless to inspect and work with.
-
-With REST framework 2, the browsable API gets a snazzy new bootstrap-based theme that looks great and is even nicer to work with.
-
-There are also some functionality improvements - actions such as as `POST` and `DELETE` will only display if the user has the appropriate permissions.
-
-![Browsable API][image]
-
-**Image above**: An example of the browsable API in REST framework 2
-
-## Documentation
-
-As you can see the documentation for REST framework has been radically improved.  It gets a completely new style, using markdown for the documentation source, and a bootstrap-based theme for the styling.
-
-We're really pleased with how the docs style looks - it's simple and clean, is easy to navigate around, and we think it reads great.
-
-## Summary
-
-In short, we've engineered the hell outta this thing, and we're incredibly proud of the result.
-
-If you're interested please take a browse around the documentation.  [The tutorial][tut] is a great place to get started.
-
-There's also a [live sandbox version of the tutorial API][sandbox] available for testing.
-
-[cite]: http://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven#comment-724
-[quote1]: https://twitter.com/kobutsu/status/261689665952833536
-[quote2]: https://groups.google.com/d/msg/django-rest-framework/heRGHzG6BWQ/ooVURgpwVC0J
-[quote3]: https://groups.google.com/d/msg/django-rest-framework/flsXbvYqRoY/9lSyntOf5cUJ
-[image]: ../img/quickstart.png
-[readthedocs]: https://readthedocs.org/
-[tut]: ../tutorial/1-serialization.md
-[sandbox]: http://restframework.herokuapp.com/
diff --git a/docs/topics/rest-hypermedia-hateoas.md b/docs/topics/rest-hypermedia-hateoas.md
index 5517b150c..d48319a26 100644
--- a/docs/topics/rest-hypermedia-hateoas.md
+++ b/docs/topics/rest-hypermedia-hateoas.md
@@ -34,15 +34,14 @@ REST framework also includes [serialization] and [parser]/[renderer] components
 
 What REST framework doesn't do is give you machine readable hypermedia formats such as [HAL][hal], [Collection+JSON][collection], [JSON API][json-api] or HTML [microformats] by default, or the ability to auto-magically create fully HATEOAS style APIs that include hypermedia-based form descriptions and semantically labelled hyperlinks. Doing so would involve making opinionated choices about API design that should really remain outside of the framework's scope.
 
-[cite]: http://vimeo.com/channels/restfest/page:2
-[dissertation]: http://www.ics.uci.edu/~fielding/pubs/dissertation/top.htm
-[hypertext-driven]: http://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven
+[cite]: https://vimeo.com/channels/restfest/page:2
+[dissertation]: https://www.ics.uci.edu/~fielding/pubs/dissertation/top.htm
+[hypertext-driven]: https://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven
 [restful-web-apis]: http://restfulwebapis.org/
-[building-hypermedia-apis]: http://www.amazon.com/Building-Hypermedia-APIs-HTML5-Node/dp/1449306578
+[building-hypermedia-apis]: https://www.amazon.com/Building-Hypermedia-APIs-HTML5-Node/dp/1449306578
 [designing-hypermedia-apis]: http://designinghypermediaapis.com/
-[restisover]: http://blog.steveklabnik.com/posts/2012-02-23-rest-is-over
 [readinglist]: http://blog.steveklabnik.com/posts/2012-02-27-hypermedia-api-reading-list
-[maturitymodel]: http://martinfowler.com/articles/richardsonMaturityModel.html
+[maturitymodel]: https://martinfowler.com/articles/richardsonMaturityModel.html
 
 [hal]: http://stateless.co/hal_specification.html
 [collection]: http://www.amundsen.com/media-types/collection/
diff --git a/docs/topics/writable-nested-serializers.md b/docs/topics/writable-nested-serializers.md
index cab700e5b..3bac84ffa 100644
--- a/docs/topics/writable-nested-serializers.md
+++ b/docs/topics/writable-nested-serializers.md
@@ -12,22 +12,22 @@ Nested data structures are easy enough to work with if they're read-only - simpl
 
 *Example of a **read-only** nested serializer.  Nothing complex to worry about here.*
 
-	class ToDoItemSerializer(serializers.ModelSerializer):
-	    class Meta:
-	        model = ToDoItem
-	        fields = ('text', 'is_completed')
+    class ToDoItemSerializer(serializers.ModelSerializer):
+        class Meta:
+            model = ToDoItem
+            fields = ['text', 'is_completed']
 
-	class ToDoListSerializer(serializers.ModelSerializer):
-	    items = ToDoItemSerializer(many=True, read_only=True)
+    class ToDoListSerializer(serializers.ModelSerializer):
+        items = ToDoItemSerializer(many=True, read_only=True)
 
-	    class Meta:
-	        model = ToDoList
-	        fields = ('title', 'items')
+        class Meta:
+            model = ToDoList
+            fields = ['title', 'items']
 
 Some example output from our serializer.
 
     {
-        'title': 'Leaving party preperations',
+        'title': 'Leaving party preparations',
         'items': [
             {'text': 'Compile playlist', 'is_completed': True},
             {'text': 'Send invites', 'is_completed': False},
diff --git a/docs/tutorial/1-serialization.md b/docs/tutorial/1-serialization.md
index a834c8dbb..85d8676b1 100644
--- a/docs/tutorial/1-serialization.md
+++ b/docs/tutorial/1-serialization.md
@@ -8,24 +8,24 @@ The tutorial is fairly in-depth, so you should probably get a cookie and a cup o
 
 ---
 
-**Note**: The code for this tutorial is available in the [tomchristie/rest-framework-tutorial][repo] repository on GitHub.  The completed implementation is also online as a sandbox version for testing, [available here][sandbox].
+**Note**: The code for this tutorial is available in the [encode/rest-framework-tutorial][repo] repository on GitHub.  The completed implementation is also online as a sandbox version for testing, [available here][sandbox].
 
 ---
 
 ## Setting up a new environment
 
-Before we do anything else we'll create a new virtual environment, using [virtualenv].  This will make sure our package configuration is kept nicely isolated from any other projects we're working on.
+Before we do anything else we'll create a new virtual environment, using [venv]. This will make sure our package configuration is kept nicely isolated from any other projects we're working on.
 
-    virtualenv env
+    python3 -m venv env
     source env/bin/activate
 
-Now that we're inside a virtualenv environment, we can install our package requirements.
+Now that we're inside a virtual environment, we can install our package requirements.
 
     pip install django
     pip install djangorestframework
     pip install pygments  # We'll be using this for the code highlighting
 
-**Note:** To exit the virtualenv environment at any time, just type `deactivate`.  For more information see the [virtualenv documentation][virtualenv].
+**Note:** To exit the virtual environment at any time, just type `deactivate`.  For more information see the [venv documentation][venv].
 
 ## Getting started
 
@@ -33,7 +33,7 @@ Okay, we're ready to get coding.
 To get started, let's create a new project to work with.
 
     cd ~
-    django-admin.py startproject tutorial
+    django-admin startproject tutorial
     cd tutorial
 
 Once that's done we can create an app that we'll use to create a simple Web API.
@@ -42,11 +42,11 @@ Once that's done we can create an app that we'll use to create a simple Web API.
 
 We'll need to add our new `snippets` app and the `rest_framework` app to `INSTALLED_APPS`. Let's edit the `tutorial/settings.py` file:
 
-    INSTALLED_APPS = (
+    INSTALLED_APPS = [
         ...
         'rest_framework',
         'snippets.apps.SnippetsConfig',
-    )
+    ]
 
 Okay, we're ready to roll.
 
@@ -60,7 +60,7 @@ For the purposes of this tutorial we're going to start by creating a simple `Sni
 
     LEXERS = [item for item in get_all_lexers() if item[1]]
     LANGUAGE_CHOICES = sorted([(item[1][0], item[0]) for item in LEXERS])
-    STYLE_CHOICES = sorted((item, item) for item in get_all_styles())
+    STYLE_CHOICES = sorted([(item, item) for item in get_all_styles()])
 
 
     class Snippet(models.Model):
@@ -72,7 +72,7 @@ For the purposes of this tutorial we're going to start by creating a simple `Sni
         style = models.CharField(choices=STYLE_CHOICES, default='friendly', max_length=100)
 
         class Meta:
-            ordering = ('created',)
+            ordering = ['created']
 
 We'll also need to create an initial migration for our snippet model, and sync the database for the first time.
 
@@ -137,26 +137,26 @@ Okay, once we've got a few imports out of the way, let's create a couple of code
     snippet = Snippet(code='foo = "bar"\n')
     snippet.save()
 
-    snippet = Snippet(code='print "hello, world"\n')
+    snippet = Snippet(code='print("hello, world")\n')
     snippet.save()
 
 We've now got a few snippet instances to play with.  Let's take a look at serializing one of those instances.
 
     serializer = SnippetSerializer(snippet)
     serializer.data
-    # {'id': 2, 'title': u'', 'code': u'print "hello, world"\n', 'linenos': False, 'language': u'python', 'style': u'friendly'}
+    # {'id': 2, 'title': '', 'code': 'print("hello, world")\n', 'linenos': False, 'language': 'python', 'style': 'friendly'}
 
 At this point we've translated the model instance into Python native datatypes.  To finalize the serialization process we render the data into `json`.
 
     content = JSONRenderer().render(serializer.data)
     content
-    # '{"id": 2, "title": "", "code": "print \\"hello, world\\"\\n", "linenos": false, "language": "python", "style": "friendly"}'
+    # b'{"id": 2, "title": "", "code": "print(\\"hello, world\\")\\n", "linenos": false, "language": "python", "style": "friendly"}'
 
 Deserialization is similar.  First we parse a stream into Python native datatypes...
 
-    from django.utils.six import BytesIO
+    import io
 
-    stream = BytesIO(content)
+    stream = io.BytesIO(content)
     data = JSONParser().parse(stream)
 
 ...then we restore those native datatypes into a fully populated object instance.
@@ -165,7 +165,7 @@ Deserialization is similar.  First we parse a stream into Python native datatype
     serializer.is_valid()
     # True
     serializer.validated_data
-    # OrderedDict([('title', ''), ('code', 'print "hello, world"\n'), ('linenos', False), ('language', 'python'), ('style', 'friendly')])
+    # OrderedDict([('title', ''), ('code', 'print("hello, world")\n'), ('linenos', False), ('language', 'python'), ('style', 'friendly')])
     serializer.save()
     # <Snippet: Snippet object>
 
@@ -175,7 +175,7 @@ We can also serialize querysets instead of model instances.  To do so we simply
 
     serializer = SnippetSerializer(Snippet.objects.all(), many=True)
     serializer.data
-    # [OrderedDict([('id', 1), ('title', u''), ('code', u'foo = "bar"\n'), ('linenos', False), ('language', 'python'), ('style', 'friendly')]), OrderedDict([('id', 2), ('title', u''), ('code', u'print "hello, world"\n'), ('linenos', False), ('language', 'python'), ('style', 'friendly')]), OrderedDict([('id', 3), ('title', u''), ('code', u'print "hello, world"'), ('linenos', False), ('language', 'python'), ('style', 'friendly')])]
+    # [OrderedDict([('id', 1), ('title', ''), ('code', 'foo = "bar"\n'), ('linenos', False), ('language', 'python'), ('style', 'friendly')]), OrderedDict([('id', 2), ('title', ''), ('code', 'print("hello, world")\n'), ('linenos', False), ('language', 'python'), ('style', 'friendly')]), OrderedDict([('id', 3), ('title', ''), ('code', 'print("hello, world")'), ('linenos', False), ('language', 'python'), ('style', 'friendly')])]
 
 ## Using ModelSerializers
 
@@ -189,7 +189,7 @@ Open the file `snippets/serializers.py` again, and replace the `SnippetSerialize
     class SnippetSerializer(serializers.ModelSerializer):
         class Meta:
             model = Snippet
-            fields = ('id', 'title', 'code', 'linenos', 'language', 'style')
+            fields = ['id', 'title', 'code', 'linenos', 'language', 'style']
 
 One nice property that serializers have is that you can inspect all the fields in a serializer instance, by printing its representation. Open the Django shell with `python manage.py shell`, then try the following:
 
@@ -218,7 +218,6 @@ Edit the `snippets/views.py` file, and add the following.
 
     from django.http import HttpResponse, JsonResponse
     from django.views.decorators.csrf import csrf_exempt
-    from rest_framework.renderers import JSONRenderer
     from rest_framework.parsers import JSONParser
     from snippets.models import Snippet
     from snippets.serializers import SnippetSerializer
@@ -275,20 +274,20 @@ We'll also need a view which corresponds to an individual snippet, and can be us
 
 Finally we need to wire these views up.  Create the `snippets/urls.py` file:
 
-    from django.conf.urls import url
+    from django.urls import path
     from snippets import views
 
     urlpatterns = [
-        url(r'^snippets/$', views.snippet_list),
-        url(r'^snippets/(?P<pk>[0-9]+)/$', views.snippet_detail),
+        path('snippets/', views.snippet_list),
+        path('snippets/<int:pk>/', views.snippet_detail),
     ]
 
 We also need to wire up the root urlconf, in the `tutorial/urls.py` file, to include our snippet app's URLs.
 
-    from django.conf.urls import url, include
+    from django.urls import path, include
 
     urlpatterns = [
-        url(r'^', include('snippets.urls')),
+        path('', include('snippets.urls')),
     ]
 
 It's worth noting that there are a couple of edge cases we're not dealing with properly at the moment.  If we send malformed `json`, or if a request is made with a method that the view doesn't handle, then we'll end up with a 500 "server error" response.  Still, this'll do for now.
@@ -299,18 +298,18 @@ Now we can start up a sample server that serves our snippets.
 
 Quit out of the shell...
 
-	quit()
+    quit()
 
 ...and start up Django's development server.
 
-	python manage.py runserver
+    python manage.py runserver
 
-	Validating models...
+    Validating models...
 
-	0 errors found
-	Django version 1.11, using settings 'tutorial.settings'
-	Development server is running at http://127.0.0.1:8000/
-	Quit the server with CONTROL-C.
+    0 errors found
+    Django version 1.11, using settings 'tutorial.settings'
+    Development server is running at http://127.0.0.1:8000/
+    Quit the server with CONTROL-C.
 
 In another terminal window, we can test the server.
 
@@ -338,7 +337,7 @@ Finally, we can get a list of all of the snippets:
       {
         "id": 2,
         "title": "",
-        "code": "print \"hello, world\"\n",
+        "code": "print(\"hello, world\")\n",
         "linenos": false,
         "language": "python",
         "style": "friendly"
@@ -354,7 +353,7 @@ Or we can get a particular snippet by referencing its id:
     {
       "id": 2,
       "title": "",
-      "code": "print \"hello, world\"\n",
+      "code": "print(\"hello, world\")\n",
       "linenos": false,
       "language": "python",
       "style": "friendly"
@@ -372,8 +371,8 @@ We'll see how we can start to improve things in [part 2 of the tutorial][tut-2].
 
 [quickstart]: quickstart.md
 [repo]: https://github.com/encode/rest-framework-tutorial
-[sandbox]: http://restframework.herokuapp.com/
-[virtualenv]: http://www.virtualenv.org/en/latest/index.html
+[sandbox]: https://restframework.herokuapp.com/
+[venv]: https://docs.python.org/3/library/venv.html
 [tut-2]: 2-requests-and-responses.md
 [httpie]: https://github.com/jakubroztocil/httpie#installation
-[curl]: http://curl.haxx.se
+[curl]: https://curl.haxx.se/
diff --git a/docs/tutorial/2-requests-and-responses.md b/docs/tutorial/2-requests-and-responses.md
index 7fb1b2f2e..e3d21e864 100644
--- a/docs/tutorial/2-requests-and-responses.md
+++ b/docs/tutorial/2-requests-and-responses.md
@@ -108,13 +108,13 @@ and
 
 Now update the `snippets/urls.py` file slightly, to append a set of `format_suffix_patterns` in addition to the existing URLs.
 
-    from django.conf.urls import url
+    from django.urls import path
     from rest_framework.urlpatterns import format_suffix_patterns
     from snippets import views
 
     urlpatterns = [
-        url(r'^snippets/$', views.snippet_list),
-        url(r'^snippets/(?P<pk>[0-9]+)$', views.snippet_detail),
+        path('snippets/', views.snippet_list),
+        path('snippets/<int:pk>', views.snippet_detail),
     ]
 
     urlpatterns = format_suffix_patterns(urlpatterns)
@@ -143,7 +143,7 @@ We can get a list of all of the snippets, as before.
       {
         "id": 2,
         "title": "",
-        "code": "print \"hello, world\"\n",
+        "code": "print(\"hello, world\")\n",
         "linenos": false,
         "language": "python",
         "style": "friendly"
@@ -163,24 +163,24 @@ Or by appending a format suffix:
 Similarly, we can control the format of the request that we send, using the `Content-Type` header.
 
     # POST using form data
-    http --form POST http://127.0.0.1:8000/snippets/ code="print 123"
+    http --form POST http://127.0.0.1:8000/snippets/ code="print(123)"
 
     {
       "id": 3,
       "title": "",
-      "code": "print 123",
+      "code": "print(123)",
       "linenos": false,
       "language": "python",
       "style": "friendly"
     }
 
     # POST using JSON
-    http --json POST http://127.0.0.1:8000/snippets/ code="print 456"
+    http --json POST http://127.0.0.1:8000/snippets/ code="print(456)"
 
     {
         "id": 4,
         "title": "",
-        "code": "print 456",
+        "code": "print(456)",
         "linenos": false,
         "language": "python",
         "style": "friendly"
diff --git a/docs/tutorial/3-class-based-views.md b/docs/tutorial/3-class-based-views.md
index 5c3b97929..e02feaa5e 100644
--- a/docs/tutorial/3-class-based-views.md
+++ b/docs/tutorial/3-class-based-views.md
@@ -64,13 +64,13 @@ That's looking good.  Again, it's still pretty similar to the function based vie
 
 We'll also need to refactor our `snippets/urls.py` slightly now that we're using class-based views.
 
-    from django.conf.urls import url
+    from django.urls import path
     from rest_framework.urlpatterns import format_suffix_patterns
     from snippets import views
 
     urlpatterns = [
-        url(r'^snippets/$', views.SnippetList.as_view()),
-        url(r'^snippets/(?P<pk>[0-9]+)/$', views.SnippetDetail.as_view()),
+        path('snippets/', views.SnippetList.as_view()),
+        path('snippets/<int:pk>/', views.SnippetDetail.as_view()),
     ]
 
     urlpatterns = format_suffix_patterns(urlpatterns)
@@ -146,5 +146,5 @@ Wow, that's pretty concise.  We've gotten a huge amount for free, and our code l
 
 Next we'll move onto [part 4 of the tutorial][tut-4], where we'll take a look at how we can deal with authentication and permissions for our API.
 
-[dry]: http://en.wikipedia.org/wiki/Don't_repeat_yourself
+[dry]: https://en.wikipedia.org/wiki/Don't_repeat_yourself
 [tut-4]: 4-authentication-and-permissions.md
diff --git a/docs/tutorial/4-authentication-and-permissions.md b/docs/tutorial/4-authentication-and-permissions.md
index 6e5b077ce..6808780fa 100644
--- a/docs/tutorial/4-authentication-and-permissions.md
+++ b/docs/tutorial/4-authentication-and-permissions.md
@@ -33,8 +33,8 @@ And now we can add a `.save()` method to our model class:
         representation of the code snippet.
         """
         lexer = get_lexer_by_name(self.language)
-        linenos = self.linenos and 'table' or False
-        options = self.title and {'title': self.title} or {}
+        linenos = 'table' if self.linenos else False
+        options = {'title': self.title} if self.title else {}
         formatter = HtmlFormatter(style=self.style, linenos=linenos,
                                   full=True, **options)
         self.highlighted = highlight(self.code, lexer, formatter)
@@ -63,7 +63,7 @@ Now that we've got some users to work with, we'd better add representations of t
 
         class Meta:
             model = User
-            fields = ('id', 'username', 'snippets')
+            fields = ['id', 'username', 'snippets']
 
 Because `'snippets'` is a *reverse* relationship on the User model, it will not be included by default when using the `ModelSerializer` class, so we needed to add an explicit field for it.
 
@@ -83,12 +83,12 @@ We'll also add a couple of views to `views.py`.  We'd like to just use read-only
 
 Make sure to also import the `UserSerializer` class
 
-	from snippets.serializers import UserSerializer
+    from snippets.serializers import UserSerializer
 
-Finally we need to add those views into the API, by referencing them from the URL conf. Add the following to the patterns in `urls.py`.
+Finally we need to add those views into the API, by referencing them from the URL conf. Add the following to the patterns in `snippets/urls.py`.
 
-    url(r'^users/$', views.UserList.as_view()),
-    url(r'^users/(?P<pk>[0-9]+)/$', views.UserDetail.as_view()),
+    path('users/', views.UserList.as_view()),
+    path('users/<int:pk>/', views.UserDetail.as_view()),
 
 ## Associating Snippets with Users
 
@@ -127,7 +127,7 @@ First add the following import in the views module
 
 Then, add the following property to **both** the `SnippetList` and `SnippetDetail` view classes.
 
-    permission_classes = (permissions.IsAuthenticatedOrReadOnly,)
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly]
 
 ## Adding login to the Browsable API
 
@@ -142,10 +142,10 @@ Add the following import at the top of the file:
 And, at the end of the file, add a pattern to include the login and logout views for the browsable API.
 
     urlpatterns += [
-        url(r'^api-auth/', include('rest_framework.urls'),
+        path('api-auth/', include('rest_framework.urls')),
     ]
 
-The `r'^api-auth/'` part of pattern can actually be whatever URL you want to use.
+The `'api-auth/'` part of pattern can actually be whatever URL you want to use.
 
 Now if you open up the browser again and refresh the page you'll see a 'Login' link in the top right of the page.  If you log in as one of the users you created earlier, you'll be able to create code snippets again.
 
@@ -178,8 +178,8 @@ In the snippets app, create a new file, `permissions.py`
 
 Now we can add that custom permission to our snippet instance endpoint, by editing the `permission_classes` property on the `SnippetDetail` view class:
 
-    permission_classes = (permissions.IsAuthenticatedOrReadOnly,
-                          IsOwnerOrReadOnly,)
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly,
+                          IsOwnerOrReadOnly]
 
 Make sure to also import the `IsOwnerOrReadOnly` class.
 
@@ -197,7 +197,7 @@ If we're interacting with the API programmatically we need to explicitly provide
 
 If we try to create a snippet without authenticating, we'll get an error:
 
-    http POST http://127.0.0.1:8000/snippets/ code="print 123"
+    http POST http://127.0.0.1:8000/snippets/ code="print(123)"
 
     {
         "detail": "Authentication credentials were not provided."
@@ -205,13 +205,13 @@ If we try to create a snippet without authenticating, we'll get an error:
 
 We can make a successful request by including the username and password of one of the users we created earlier.
 
-    http -a admin:password123 POST http://127.0.0.1:8000/snippets/ code="print 789"
+    http -a admin:password123 POST http://127.0.0.1:8000/snippets/ code="print(789)"
 
     {
         "id": 1,
         "owner": "admin",
         "title": "foo",
-        "code": "print 789",
+        "code": "print(789)",
         "linenos": false,
         "language": "python",
         "style": "friendly"
diff --git a/docs/tutorial/5-relationships-and-hyperlinked-apis.md b/docs/tutorial/5-relationships-and-hyperlinked-apis.md
index 1e4da788e..4cd4e9bbd 100644
--- a/docs/tutorial/5-relationships-and-hyperlinked-apis.md
+++ b/docs/tutorial/5-relationships-and-hyperlinked-apis.md
@@ -35,7 +35,7 @@ Instead of using a concrete generic view, we'll use the base class for represent
 
     class SnippetHighlight(generics.GenericAPIView):
         queryset = Snippet.objects.all()
-        renderer_classes = (renderers.StaticHTMLRenderer,)
+        renderer_classes = [renderers.StaticHTMLRenderer]
 
         def get(self, request, *args, **kwargs):
             snippet = self.get_object()
@@ -44,11 +44,11 @@ Instead of using a concrete generic view, we'll use the base class for represent
 As usual we need to add the new views that we've created in to our URLconf.
 We'll add a url pattern for our new API root in `snippets/urls.py`:
 
-    url(r'^$', views.api_root),
+    path('', views.api_root),
 
 And then add a url pattern for the snippet highlights:
 
-    url(r'^snippets/(?P<pk>[0-9]+)/highlight/$', views.SnippetHighlight.as_view()),
+    path('snippets/<int:pk>/highlight/', views.SnippetHighlight.as_view()),
 
 ## Hyperlinking our API
 
@@ -80,8 +80,8 @@ We can easily re-write our existing serializers to use hyperlinking. In your `sn
 
         class Meta:
             model = Snippet
-            fields = ('url', 'id', 'highlight', 'owner',
-                      'title', 'code', 'linenos', 'language', 'style')
+            fields = ['url', 'id', 'highlight', 'owner',
+                      'title', 'code', 'linenos', 'language', 'style']
 
 
     class UserSerializer(serializers.HyperlinkedModelSerializer):
@@ -89,7 +89,7 @@ We can easily re-write our existing serializers to use hyperlinking. In your `sn
 
         class Meta:
             model = User
-            fields = ('url', 'id', 'username', 'snippets')
+            fields = ['url', 'id', 'username', 'snippets']
 
 Notice that we've also added a new `'highlight'` field.  This field is of the same type as the `url` field, except that it points to the `'snippet-highlight'` url pattern, instead of the `'snippet-detail'` url pattern.
 
@@ -106,26 +106,26 @@ If we're going to have a hyperlinked API, we need to make sure we name our URL p
 
 After adding all those names into our URLconf, our final `snippets/urls.py` file should look like this:
 
-    from django.conf.urls import url, include
+    from django.urls import path
     from rest_framework.urlpatterns import format_suffix_patterns
     from snippets import views
 
     # API endpoints
     urlpatterns = format_suffix_patterns([
-        url(r'^$', views.api_root),
-        url(r'^snippets/$',
+        path('', views.api_root),
+        path('snippets/',
             views.SnippetList.as_view(),
             name='snippet-list'),
-        url(r'^snippets/(?P<pk>[0-9]+)/$',
+        path('snippets/<int:pk>/',
             views.SnippetDetail.as_view(),
             name='snippet-detail'),
-        url(r'^snippets/(?P<pk>[0-9]+)/highlight/$',
+        path('snippets/<int:pk>/highlight/',
             views.SnippetHighlight.as_view(),
             name='snippet-highlight'),
-        url(r'^users/$',
+        path('users/',
             views.UserList.as_view(),
             name='user-list'),
-        url(r'^users/(?P<pk>[0-9]+)/$',
+        path('users/<int:pk>/',
             views.UserDetail.as_view(),
             name='user-detail')
     ])
diff --git a/docs/tutorial/6-viewsets-and-routers.md b/docs/tutorial/6-viewsets-and-routers.md
index 7d87c0212..11e24448f 100644
--- a/docs/tutorial/6-viewsets-and-routers.md
+++ b/docs/tutorial/6-viewsets-and-routers.md
@@ -25,7 +25,7 @@ Here we've used the `ReadOnlyModelViewSet` class to automatically provide the de
 
 Next we're going to replace the `SnippetList`, `SnippetDetail` and `SnippetHighlight` view classes.  We can remove the three views, and again replace them with a single class.
 
-    from rest_framework.decorators import detail_route
+    from rest_framework.decorators import action
     from rest_framework.response import Response
 
     class SnippetViewSet(viewsets.ModelViewSet):
@@ -37,10 +37,10 @@ Next we're going to replace the `SnippetList`, `SnippetDetail` and `SnippetHighl
         """
         queryset = Snippet.objects.all()
         serializer_class = SnippetSerializer
-        permission_classes = (permissions.IsAuthenticatedOrReadOnly,
-                              IsOwnerOrReadOnly,)
+        permission_classes = [permissions.IsAuthenticatedOrReadOnly,
+                              IsOwnerOrReadOnly]
 
-        @detail_route(renderer_classes=[renderers.StaticHTMLRenderer])
+        @action(detail=True, renderer_classes=[renderers.StaticHTMLRenderer])
         def highlight(self, request, *args, **kwargs):
             snippet = self.get_object()
             return Response(snippet.highlighted)
@@ -50,11 +50,11 @@ Next we're going to replace the `SnippetList`, `SnippetDetail` and `SnippetHighl
 
 This time we've used the `ModelViewSet` class in order to get the complete set of default read and write operations.
 
-Notice that we've also used the `@detail_route` decorator to create a custom action, named `highlight`.  This decorator can be used to add any custom endpoints that don't fit into the standard `create`/`update`/`delete` style.
+Notice that we've also used the `@action` decorator to create a custom action, named `highlight`.  This decorator can be used to add any custom endpoints that don't fit into the standard `create`/`update`/`delete` style.
 
-Custom actions which use the `@detail_route` decorator will respond to `GET` requests by default.  We can use the `methods` argument if we wanted an action that responded to `POST` requests.
+Custom actions which use the `@action` decorator will respond to `GET` requests by default.  We can use the `methods` argument if we wanted an action that responded to `POST` requests.
 
-The URLs for custom actions by default depend on the method name itself. If you want to change the way url should be constructed, you can include url_path as a decorator keyword argument.
+The URLs for custom actions by default depend on the method name itself. If you want to change the way url should be constructed, you can include `url_path` as a decorator keyword argument.
 
 ## Binding ViewSets to URLs explicitly
 
@@ -91,12 +91,12 @@ Notice how we're creating multiple views from each `ViewSet` class, by binding t
 Now that we've bound our resources into concrete views, we can register the views with the URL conf as usual.
 
     urlpatterns = format_suffix_patterns([
-        url(r'^$', api_root),
-        url(r'^snippets/$', snippet_list, name='snippet-list'),
-        url(r'^snippets/(?P<pk>[0-9]+)/$', snippet_detail, name='snippet-detail'),
-        url(r'^snippets/(?P<pk>[0-9]+)/highlight/$', snippet_highlight, name='snippet-highlight'),
-        url(r'^users/$', user_list, name='user-list'),
-        url(r'^users/(?P<pk>[0-9]+)/$', user_detail, name='user-detail')
+        path('', api_root),
+        path('snippets/', snippet_list, name='snippet-list'),
+        path('snippets/<int:pk>/', snippet_detail, name='snippet-detail'),
+        path('snippets/<int:pk>/highlight/', snippet_highlight, name='snippet-highlight'),
+        path('users/', user_list, name='user-list'),
+        path('users/<int:pk>/', user_detail, name='user-detail')
     ])
 
 ## Using Routers
@@ -105,7 +105,7 @@ Because we're using `ViewSet` classes rather than `View` classes, we actually do
 
 Here's our re-wired `snippets/urls.py` file.
 
-    from django.conf.urls import url, include
+    from django.urls import path, include
     from rest_framework.routers import DefaultRouter
     from snippets import views
 
@@ -116,7 +116,7 @@ Here's our re-wired `snippets/urls.py` file.
 
     # The API URLs are now determined automatically by the router.
     urlpatterns = [
-        url(r'^', include(router.urls))
+        path('', include(router.urls)),
     ]
 
 Registering the viewsets with the router is similar to providing a urlpattern.  We include two arguments - the URL prefix for the views, and the viewset itself.
@@ -128,8 +128,3 @@ The `DefaultRouter` class we're using also automatically creates the API root vi
 Using viewsets can be a really useful abstraction.  It helps ensure that URL conventions will be consistent across your API, minimizes the amount of code you need to write, and allows you to concentrate on the interactions and representations your API provides rather than the specifics of the URL conf.
 
 That doesn't mean it's always the right approach to take.  There's a similar set of trade-offs to consider as when using class-based views instead of function based views.  Using viewsets is less explicit than building your views individually.
-
-In [part 7][tut-7] of the tutorial we'll look at how we can add an API schema,
-and interact with our API using a client library or command line tool.
-
-[tut-7]: 7-schemas-and-client-libraries.md
diff --git a/docs/tutorial/quickstart.md b/docs/tutorial/quickstart.md
index ab789518d..ee54816dc 100644
--- a/docs/tutorial/quickstart.md
+++ b/docs/tutorial/quickstart.md
@@ -10,18 +10,18 @@ Create a new Django project named `tutorial`, then start a new app called `quick
     mkdir tutorial
     cd tutorial
 
-    # Create a virtualenv to isolate our package dependencies locally
-    virtualenv env
+    # Create a virtual environment to isolate our package dependencies locally
+    python3 -m venv env
     source env/bin/activate  # On Windows use `env\Scripts\activate`
 
-    # Install Django and Django REST framework into the virtualenv
+    # Install Django and Django REST framework into the virtual environment
     pip install django
     pip install djangorestframework
 
     # Set up a new project with a single application
-    django-admin.py startproject tutorial .  # Note the trailing '.' character
+    django-admin startproject tutorial .  # Note the trailing '.' character
     cd tutorial
-    django-admin.py startapp quickstart
+    django-admin startapp quickstart
     cd ..
 
 The project layout should look like:
@@ -46,7 +46,7 @@ The project layout should look like:
     ./tutorial/urls.py
     ./tutorial/wsgi.py
 
-It may look unusual that the application has been created within the project directory. Using the project's namespace avoids name clashes with external module (topic goes outside the scope of the quickstart).
+It may look unusual that the application has been created within the project directory. Using the project's namespace avoids name clashes with external modules (a topic that goes outside the scope of the quickstart).
 
 Now sync your database for the first time:
 
@@ -56,7 +56,7 @@ We'll also create an initial user named `admin` with a password of `password123`
 
     python manage.py createsuperuser --email admin@example.com --username admin
 
-Once you've set up a database and initial user created and ready to go, open up the app's directory and we'll get coding...
+Once you've set up a database and the initial user is created and ready to go, open up the app's directory and we'll get coding...
 
 ## Serializers
 
@@ -69,15 +69,15 @@ First up we're going to define some serializers. Let's create a new module named
     class UserSerializer(serializers.HyperlinkedModelSerializer):
         class Meta:
             model = User
-            fields = ('url', 'username', 'email', 'groups')
+            fields = ['url', 'username', 'email', 'groups']
 
 
     class GroupSerializer(serializers.HyperlinkedModelSerializer):
         class Meta:
             model = Group
-            fields = ('url', 'name')
+            fields = ['url', 'name']
 
-Notice that we're using hyperlinked relations in this case, with `HyperlinkedModelSerializer`.  You can also use primary key and various other relationships, but hyperlinking is good RESTful design.
+Notice that we're using hyperlinked relations in this case with `HyperlinkedModelSerializer`.  You can also use primary key and various other relationships, but hyperlinking is good RESTful design.
 
 ## Views
 
@@ -111,7 +111,7 @@ We can easily break these down into individual views if we need to, but using vi
 
 Okay, now let's wire up the API URLs.  On to `tutorial/urls.py`...
 
-    from django.conf.urls import url, include
+    from django.urls import include, path
     from rest_framework import routers
     from tutorial.quickstart import views
 
@@ -122,8 +122,8 @@ Okay, now let's wire up the API URLs.  On to `tutorial/urls.py`...
     # Wire up our API using automatic URL routing.
     # Additionally, we include login URLs for the browsable API.
     urlpatterns = [
-        url(r'^', include(router.urls)),
-        url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework'))
+        path('', include(router.urls)),
+        path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
     ]
 
 Because we're using viewsets instead of views, we can automatically generate the URL conf for our API, by simply registering the viewsets with a router class.
@@ -132,14 +132,22 @@ Again, if we need more control over the API URLs we can simply drop down to usin
 
 Finally, we're including default login and logout views for use with the browsable API.  That's optional, but useful if your API requires authentication and you want to use the browsable API.
 
+## Pagination
+Pagination allows you to control how many objects per page are returned. To enable it add the following lines to `tutorial/settings.py`
+    
+    REST_FRAMEWORK = {
+        'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
+        'PAGE_SIZE': 10
+    }
+    
 ## Settings
 
 Add `'rest_framework'` to `INSTALLED_APPS`. The settings module will be in `tutorial/settings.py`
 
-    INSTALLED_APPS = (
+    INSTALLED_APPS = [
         ...
         'rest_framework',
-    )
+    ]
 
 Okay, we're done.
 
@@ -211,7 +219,6 @@ Great, that was easy!
 
 If you want to get a more in depth understanding of how REST framework fits together head on over to [the tutorial][tutorial], or start browsing the [API guide][guide].
 
-[readme-example-api]: ../#example
 [image]: ../img/quickstart.png
 [tutorial]: 1-serialization.md
 [guide]: ../#api-guide
diff --git a/docs_theme/404.html b/docs_theme/404.html
index 078b9f5ae..a89c0a418 100644
--- a/docs_theme/404.html
+++ b/docs_theme/404.html
@@ -4,6 +4,6 @@
 
   <h1 id="404-page-not-found" style="text-align: center">404</h1>
   <p style="text-align: center"><strong>Page not found</strong></p>
-  <p style="text-align: center">Try the <a href="http://www.django-rest-framework.org/">homepage</a>, or <a href="#searchModal" data-toggle="modal">search the documentation</a>.</p>
+  <p style="text-align: center">Try the <a href="https://www.django-rest-framework.org/">homepage</a>, or <a href="#searchModal" data-toggle="modal">search the documentation</a>.</p>
 
 {% endblock %}
diff --git a/docs_theme/css/bootstrap-responsive.css b/docs_theme/css/bootstrap-responsive.css
old mode 100755
new mode 100644
index a8caf451d..ec0b51947
--- a/docs_theme/css/bootstrap-responsive.css
+++ b/docs_theme/css/bootstrap-responsive.css
@@ -3,7 +3,7 @@
  *
  * Copyright 2012 Twitter, Inc
  * Licensed under the Apache License v2.0
- * http://www.apache.org/licenses/LICENSE-2.0
+ * https://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
  */
diff --git a/docs_theme/css/bootstrap.css b/docs_theme/css/bootstrap.css
old mode 100755
new mode 100644
index 53df68595..a48bbbecf
--- a/docs_theme/css/bootstrap.css
+++ b/docs_theme/css/bootstrap.css
@@ -3,7 +3,7 @@
  *
  * Copyright 2012 Twitter, Inc
  * Licensed under the Apache License v2.0
- * http://www.apache.org/licenses/LICENSE-2.0
+ * https://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
  */
diff --git a/docs_theme/css/default.css b/docs_theme/css/default.css
index a0a286b22..bb17a3a11 100644
--- a/docs_theme/css/default.css
+++ b/docs_theme/css/default.css
@@ -160,9 +160,19 @@ body, .navbar .navbar-inner .container-fluid{
   margin: 0 auto;
 }
 
-body{
-  background: url("../img/grid.png") repeat-x;
-  background-attachment: fixed;
+/* Replacement for `body { background-attachment: fixed; }`, which
+   has performance issues when scrolling on large displays. */
+body::before {
+    content: ' ';
+    position: fixed;
+    width: 100%;
+    height: 100%;
+    top: 0;
+    left: 0;
+    background-color: #f8f8f8;
+    background: url(../img/grid.png) repeat-x;
+    will-change: transform;
+    z-index: -1;
 }
 
 
diff --git a/docs_theme/js/bootstrap-2.1.1-min.js b/docs_theme/js/bootstrap-2.1.1-min.js
old mode 100755
new mode 100644
diff --git a/docs_theme/js/theme.js b/docs_theme/js/theme.js
index ddbd9c905..0918ae85d 100644
--- a/docs_theme/js/theme.js
+++ b/docs_theme/js/theme.js
@@ -9,11 +9,6 @@ var getSearchTerm = function() {
   }
 };
 
-var initilizeSearch = function() {
-  require.config({ baseUrl: '/mkdocs/js' });
-  require(['search']);
-};
-
 $(function() {
   var searchTerm = getSearchTerm(),
     $searchModal = $('#mkdocs_search_modal'),
@@ -30,6 +25,5 @@ $(function() {
 
   $searchModal.on('shown', function() {
     $searchQuery.focus();
-    initilizeSearch();
   });
 });
diff --git a/docs_theme/main.html b/docs_theme/main.html
index b60b231c2..21e9171a2 100644
--- a/docs_theme/main.html
+++ b/docs_theme/main.html
@@ -6,7 +6,7 @@
   <meta charset="utf-8">
   <title>{% if page.title %}{{ page.title }} - {% endif %}{{ config.site_name }}</title>
   <link href="{{ base_url }}/img/favicon.ico" rel="icon" type="image/x-icon">
-  <link rel="canonical" href="{{ page.canonical_url }}" />
+  <link rel="canonical" href="{{ page.canonical_url|url }}" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <meta name="description" content="Django, API, REST{% if page %}, {{ page.title }}{% endif %}">
   <meta name="author" content="Tom Christie">
@@ -138,14 +138,17 @@
   <!-- Le javascript
   ================================================== -->
   <!-- Placed at the end of the document so the pages load faster -->
+  <script async src="https://fund.django-rest-framework.org/sidebar_include.js"></script>
   <script src="{{ base_url }}/js/jquery-1.8.1-min.js"></script>
   <script src="{{ base_url }}/js/prettify-1.0.js"></script>
   <script src="{{ base_url }}/js/bootstrap-2.1.1-min.js"></script>
-  <script src="https://fund.django-rest-framework.org/sidebar_include.js"></script>
-  <script>var base_url = '{{ base_url }}';</script>
-  <script src="{{ base_url }}/mkdocs/js/require.js"></script>
   <script src="{{ base_url }}/js/theme.js"></script>
 
+  <script>var base_url = '{{ base_url }}';</script>
+  {% for path in config.extra_javascript %}
+  <script src="{{ path|url }}" defer></script>
+  {% endfor %}
+
   <script>
     var shiftWindow = function() {
       scrollBy(0, -50)
diff --git a/docs_theme/nav.html b/docs_theme/nav.html
index 914d80a27..d30348756 100644
--- a/docs_theme/nav.html
+++ b/docs_theme/nav.html
@@ -2,10 +2,10 @@
       <div class="navbar-inner">
         <div class="container-fluid">
           <a class="repo-link btn btn-primary btn-small" href="https://github.com/encode/django-rest-framework/tree/master">GitHub</a>
-          <a class="repo-link btn btn-inverse btn-small {% if not page.next_page %}disabled{% endif %}" rel="prev" {% if page.next_page %}href="{{ page.next_page.url }}"{% endif %}>
+          <a class="repo-link btn btn-inverse btn-small {% if not page.next_page %}disabled{% endif %}" rel="next" {% if page.next_page %}href="{{ page.next_page.url|url }}"{% endif %}>
             Next <i class="icon-arrow-right icon-white"></i>
           </a>
-          <a class="repo-link btn btn-inverse btn-small {% if not page.previous_page %}disabled{% endif %}" rel="next" {% if page.previous_page %}href="{{ page.previous_page.url }}"{% endif %}>
+          <a class="repo-link btn btn-inverse btn-small {% if not page.previous_page %}disabled{% endif %}" rel="prev" {% if page.previous_page %}href="{{ page.previous_page.url|url }}"{% endif %}>
             <i class="icon-arrow-left icon-white"></i> Previous
           </a>
           <a id="search_modal_show" class="repo-link btn btn-inverse btn-small" href="#mkdocs_search_modal" data-toggle="modal" data-target="#mkdocs_search_modal"><i class="icon-search icon-white"></i> Search</a>
@@ -14,7 +14,7 @@
             <span class="icon-bar"></span>
             <span class="icon-bar"></span>
           </a>
-          <a class="brand" href="http://www.django-rest-framework.org">Django REST framework</a>
+          <a class="brand" href="https://www.django-rest-framework.org/">Django REST framework</a>
           <div class="nav-collapse collapse">
             {% if nav|length>1 %}
             <!-- Main navigation -->
@@ -25,14 +25,14 @@
                 <ul class="dropdown-menu">
                   {% for nav_item in nav_item.children %}
                   <li {% if nav_item.active %}class="active" {% endif %}>
-                    <a href="{{ nav_item.url }}">{{ nav_item.title }}</a>
+                    <a href="{{ nav_item.url|url }}">{{ nav_item.title }}</a>
                   </li>
                   {% endfor %}
                 </ul>
               </li>
               {% else %}
               <li {% if nav_item.active %}class="active" {% endif %}>
-                <a href="{{ nav_item.url }}">{{ nav_item.title }}</a>
+                <a href="{{ nav_item.url|url }}">{{ nav_item.title }}</a>
               </li>
               {% endif %} {% endfor %}
 
diff --git a/licenses/jquery.json-view.md b/licenses/jquery.json-view.md
index 146db3aa9..ac4f6e978 100644
--- a/licenses/jquery.json-view.md
+++ b/licenses/jquery.json-view.md
@@ -2,7 +2,7 @@ https://github.com/bazh/jquery.json-view/
 
 The MIT License (MIT)
 
-Copyright (c) 2014 bazh. (http://github.com/bazh)
+Copyright (c) 2014 bazh. (https://github.com/bazh)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/mkdocs.yml b/mkdocs.yml
index 8fbe150a1..83a345a3d 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -1,16 +1,18 @@
 site_name: Django REST framework
-site_url: http://www.django-rest-framework.org/
+site_url: https://www.django-rest-framework.org/
 site_description: Django REST framework - Web APIs for Django
 
 repo_url: https://github.com/encode/django-rest-framework
 
-theme_dir: docs_theme
+theme:
+    name: mkdocs
+    custom_dir: docs_theme
 
 markdown_extensions:
  - toc:
     anchorlink: True
 
-pages:
+nav:
  - Home: 'index.md'
  - Tutorial:
     - 'Quickstart': 'tutorial/quickstart.md'
@@ -20,7 +22,6 @@ pages:
     - '4 - Authentication and permissions': 'tutorial/4-authentication-and-permissions.md'
     - '5 - Relationships and hyperlinked APIs': 'tutorial/5-relationships-and-hyperlinked-apis.md'
     - '6 - Viewsets and routers': 'tutorial/6-viewsets-and-routers.md'
-    - '7 - Schemas and client libraries': 'tutorial/7-schemas-and-client-libraries.md'
  - API Guide:
     - 'Requests': 'api-guide/requests.md'
     - 'Responses': 'api-guide/responses.md'
@@ -36,6 +37,7 @@ pages:
     - 'Validators': 'api-guide/validators.md'
     - 'Authentication': 'api-guide/authentication.md'
     - 'Permissions': 'api-guide/permissions.md'
+    - 'Caching': 'api-guide/caching.md'
     - 'Throttling': 'api-guide/throttling.md'
     - 'Filtering': 'api-guide/filtering.md'
     - 'Pagination': 'api-guide/pagination.md'
@@ -58,20 +60,24 @@ pages:
      - 'Browser Enhancements': 'topics/browser-enhancements.md'
      - 'The Browsable API': 'topics/browsable-api.md'
      - 'REST, Hypermedia & HATEOAS': 'topics/rest-hypermedia-hateoas.md'
-     - 'Third Party Packages': 'topics/third-party-packages.md'
-     - 'Tutorials and Resources': 'topics/tutorials-and-resources.md'
-     - 'Contributing to REST framework': 'topics/contributing.md'
-     - 'Project management': 'topics/project-management.md'
-     - 'Jobs': 'topics/jobs.md'
-     - '3.0 Announcement': 'topics/3.0-announcement.md'
-     - '3.1 Announcement': 'topics/3.1-announcement.md'
-     - '3.2 Announcement': 'topics/3.2-announcement.md'
-     - '3.3 Announcement': 'topics/3.3-announcement.md'
-     - '3.4 Announcement': 'topics/3.4-announcement.md'
-     - '3.5 Announcement': 'topics/3.5-announcement.md'
-     - '3.6 Announcement': 'topics/3.6-announcement.md'
-     - '3.7 Announcement': 'topics/3.7-announcement.md'
-     - 'Kickstarter Announcement': 'topics/kickstarter-announcement.md'
-     - 'Mozilla Grant': 'topics/mozilla-grant.md'
-     - 'Funding': 'topics/funding.md'
-     - 'Release Notes': 'topics/release-notes.md'
+ - Community:
+     - 'Tutorials and Resources': 'community/tutorials-and-resources.md'
+     - 'Third Party Packages': 'community/third-party-packages.md'
+     - 'Contributing to REST framework': 'community/contributing.md'
+     - 'Project management': 'community/project-management.md'
+     - 'Release Notes': 'community/release-notes.md'
+     - '3.10 Announcement': 'community/3.10-announcement.md'
+     - '3.9 Announcement': 'community/3.9-announcement.md'
+     - '3.8 Announcement': 'community/3.8-announcement.md'
+     - '3.7 Announcement': 'community/3.7-announcement.md'
+     - '3.6 Announcement': 'community/3.6-announcement.md'
+     - '3.5 Announcement': 'community/3.5-announcement.md'
+     - '3.4 Announcement': 'community/3.4-announcement.md'
+     - '3.3 Announcement': 'community/3.3-announcement.md'
+     - '3.2 Announcement': 'community/3.2-announcement.md'
+     - '3.1 Announcement': 'community/3.1-announcement.md'
+     - '3.0 Announcement': 'community/3.0-announcement.md'
+     - 'Kickstarter Announcement': 'community/kickstarter-announcement.md'
+     - 'Mozilla Grant': 'community/mozilla-grant.md'
+     - 'Funding': 'community/funding.md'
+     - 'Jobs': 'community/jobs.md'
diff --git a/requirements.txt b/requirements.txt
index 0b41cd50b..b4e5ff579 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,8 +2,8 @@
 # just Django, but for the purposes of development and testing
 # there are a number of packages that are useful to install.
 
-# Laying these out as seperate requirements files, allows us to
-# only included the relevent sets when running tox, and ensures
+# Laying these out as separate requirements files, allows us to
+# only included the relevant sets when running tox, and ensures
 # we are only ever declaring our dependencies in one place.
 
 -r requirements/requirements-optionals.txt
diff --git a/requirements/requirements-codestyle.txt b/requirements/requirements-codestyle.txt
index 1a51179f8..482deac66 100644
--- a/requirements/requirements-codestyle.txt
+++ b/requirements/requirements-codestyle.txt
@@ -1,7 +1,7 @@
 # PEP8 code linting, which we run on all commits.
-flake8==3.5.0
-flake8-tidy-imports==1.1.0
-pycodestyle==2.3.1
+flake8==3.7.8
+flake8-tidy-imports==3.0.0
+pycodestyle==2.5.0
 
 # Sort and lint imports
-isort==4.2.15
+isort==4.3.21
diff --git a/requirements/requirements-documentation.txt b/requirements/requirements-documentation.txt
index 012ec99f1..73158043e 100644
--- a/requirements/requirements-documentation.txt
+++ b/requirements/requirements-documentation.txt
@@ -1,2 +1,2 @@
 # MkDocs to build our documentation.
-mkdocs==0.16.3
+mkdocs==1.0.4
diff --git a/requirements/requirements-optionals.txt b/requirements/requirements-optionals.txt
index f27178a3f..a33248d10 100644
--- a/requirements/requirements-optionals.txt
+++ b/requirements/requirements-optionals.txt
@@ -1,7 +1,9 @@
 # Optional packages which may be used with REST framework.
-pytz==2017.2
-markdown==2.6.4
-django-guardian==1.4.9
-django-filter==1.1.0
+psycopg2-binary>=2.8.2, <2.9
+markdown==3.1.1
+pygments==2.4.2
+django-guardian==1.5.0
+django-filter>=2.2.0, <2.3
 coreapi==2.3.1
 coreschema==0.0.4
+pyyaml>=5.1
diff --git a/requirements/requirements-packaging.txt b/requirements/requirements-packaging.txt
index 76b15f832..48de9e768 100644
--- a/requirements/requirements-packaging.txt
+++ b/requirements/requirements-packaging.txt
@@ -2,13 +2,7 @@
 wheel==0.30.0
 
 # Twine for secured PyPI uploads.
-twine==1.9.1
+twine==1.11.0
 
 # Transifex client for managing translation resources.
 transifex-client==0.11
-
-# Pandoc to have a nice pypi page
-pypandoc
-
-# readme_renderer to check readme syntax
-readme_renderer
diff --git a/requirements/requirements-testing.txt b/requirements/requirements-testing.txt
index 72ce56d26..83ec9ab9e 100644
--- a/requirements/requirements-testing.txt
+++ b/requirements/requirements-testing.txt
@@ -1,4 +1,4 @@
-# PyTest for running the tests.
-pytest==3.2.5
-pytest-django==3.1.2
-pytest-cov==2.5.1
+# Pytest for running the tests.
+pytest>=5.0,<5.1
+pytest-django>=3.5.1,<3.6
+pytest-cov>=2.7.1
diff --git a/rest_framework/__init__.py b/rest_framework/__init__.py
index e1e55c612..2b96e7336 100644
--- a/rest_framework/__init__.py
+++ b/rest_framework/__init__.py
@@ -8,10 +8,10 @@ ______ _____ _____ _____    __
 """
 
 __title__ = 'Django REST framework'
-__version__ = '3.7.3'
+__version__ = '3.10.3'
 __author__ = 'Tom Christie'
-__license__ = 'BSD 2-Clause'
-__copyright__ = 'Copyright 2011-2017 Tom Christie'
+__license__ = 'BSD 3-Clause'
+__copyright__ = 'Copyright 2011-2019 Encode OSS Ltd'
 
 # Version synonym
 VERSION = __version__
@@ -23,3 +23,11 @@ HTTP_HEADER_ENCODING = 'iso-8859-1'
 ISO_8601 = 'iso-8601'
 
 default_app_config = 'rest_framework.apps.RestFrameworkConfig'
+
+
+class RemovedInDRF311Warning(DeprecationWarning):
+    pass
+
+
+class RemovedInDRF312Warning(PendingDeprecationWarning):
+    pass
diff --git a/rest_framework/authentication.py b/rest_framework/authentication.py
index 0749968bc..1e30728d3 100644
--- a/rest_framework/authentication.py
+++ b/rest_framework/authentication.py
@@ -1,18 +1,14 @@
 """
 Provides various authentication policies.
 """
-from __future__ import unicode_literals
-
 import base64
 import binascii
 
-from django.contrib.auth import get_user_model
+from django.contrib.auth import authenticate, get_user_model
 from django.middleware.csrf import CsrfViewMiddleware
-from django.utils.six import text_type
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from rest_framework import HTTP_HEADER_ENCODING, exceptions
-from rest_framework.compat import authenticate
 
 
 def get_authorization_header(request):
@@ -22,7 +18,7 @@ def get_authorization_header(request):
     Hide some test client ickyness where the header can be unicode.
     """
     auth = request.META.get('HTTP_AUTHORIZATION', b'')
-    if isinstance(auth, text_type):
+    if isinstance(auth, str):
         # Work around django test client oddness
         auth = auth.encode(HTTP_HEADER_ENCODING)
     return auth
@@ -34,7 +30,7 @@ class CSRFCheck(CsrfViewMiddleware):
         return reason
 
 
-class BaseAuthentication(object):
+class BaseAuthentication:
     """
     All authentication classes should extend BaseAuthentication.
     """
@@ -136,7 +132,10 @@ class SessionAuthentication(BaseAuthentication):
         """
         Enforce CSRF validation for session based authentication.
         """
-        reason = CSRFCheck().process_view(request, None, (), {})
+        check = CSRFCheck()
+        # populates request.META['CSRF_COOKIE'], which is used in process_view()
+        check.process_request(request)
+        reason = check.process_view(request, None, (), {})
         if reason:
             # CSRF failed, bail with explicit error message
             raise exceptions.PermissionDenied('CSRF Failed: %s' % reason)
diff --git a/rest_framework/authtoken/apps.py b/rest_framework/authtoken/apps.py
index ad01cb404..f90fe961e 100644
--- a/rest_framework/authtoken/apps.py
+++ b/rest_framework/authtoken/apps.py
@@ -1,5 +1,5 @@
 from django.apps import AppConfig
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AuthTokenConfig(AppConfig):
diff --git a/rest_framework/authtoken/management/commands/drf_create_token.py b/rest_framework/authtoken/management/commands/drf_create_token.py
index 8e06812db..3d6539244 100644
--- a/rest_framework/authtoken/management/commands/drf_create_token.py
+++ b/rest_framework/authtoken/management/commands/drf_create_token.py
@@ -38,8 +38,8 @@ class Command(BaseCommand):
             token = self.create_user_token(username, reset_token)
         except UserModel.DoesNotExist:
             raise CommandError(
-                'Cannot create the Token: user {0} does not exist'.format(
+                'Cannot create the Token: user {} does not exist'.format(
                     username)
             )
         self.stdout.write(
-            'Generated token {0} for user {1}'.format(token.key, username))
+            'Generated token {} for user {}'.format(token.key, username))
diff --git a/rest_framework/authtoken/migrations/0001_initial.py b/rest_framework/authtoken/migrations/0001_initial.py
index 75780fedf..6a46ccfff 100644
--- a/rest_framework/authtoken/migrations/0001_initial.py
+++ b/rest_framework/authtoken/migrations/0001_initial.py
@@ -1,6 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.conf import settings
 from django.db import migrations, models
 
diff --git a/rest_framework/authtoken/migrations/0002_auto_20160226_1747.py b/rest_framework/authtoken/migrations/0002_auto_20160226_1747.py
index 9f7e58e22..43119099a 100644
--- a/rest_framework/authtoken/migrations/0002_auto_20160226_1747.py
+++ b/rest_framework/authtoken/migrations/0002_auto_20160226_1747.py
@@ -1,6 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.conf import settings
 from django.db import migrations, models
 
diff --git a/rest_framework/authtoken/models.py b/rest_framework/authtoken/models.py
index 7e96eff93..bff42d3de 100644
--- a/rest_framework/authtoken/models.py
+++ b/rest_framework/authtoken/models.py
@@ -3,11 +3,9 @@ import os
 
 from django.conf import settings
 from django.db import models
-from django.utils.encoding import python_2_unicode_compatible
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
-@python_2_unicode_compatible
 class Token(models.Model):
     """
     The default authorization token model.
@@ -32,7 +30,7 @@ class Token(models.Model):
     def save(self, *args, **kwargs):
         if not self.key:
             self.key = self.generate_key()
-        return super(Token, self).save(*args, **kwargs)
+        return super().save(*args, **kwargs)
 
     def generate_key(self):
         return binascii.hexlify(os.urandom(20)).decode()
diff --git a/rest_framework/authtoken/serializers.py b/rest_framework/authtoken/serializers.py
index 01d2d40b9..bb552f3e5 100644
--- a/rest_framework/authtoken/serializers.py
+++ b/rest_framework/authtoken/serializers.py
@@ -1,7 +1,7 @@
-from django.utils.translation import ugettext_lazy as _
+from django.contrib.auth import authenticate
+from django.utils.translation import gettext_lazy as _
 
 from rest_framework import serializers
-from rest_framework.compat import authenticate
 
 
 class AuthTokenSerializer(serializers.Serializer):
diff --git a/rest_framework/authtoken/views.py b/rest_framework/authtoken/views.py
index 6254d2f7f..a8c751d51 100644
--- a/rest_framework/authtoken/views.py
+++ b/rest_framework/authtoken/views.py
@@ -1,7 +1,9 @@
 from rest_framework import parsers, renderers
 from rest_framework.authtoken.models import Token
 from rest_framework.authtoken.serializers import AuthTokenSerializer
+from rest_framework.compat import coreapi, coreschema
 from rest_framework.response import Response
+from rest_framework.schemas import ManualSchema
 from rest_framework.views import APIView
 
 
@@ -11,6 +13,30 @@ class ObtainAuthToken(APIView):
     parser_classes = (parsers.FormParser, parsers.MultiPartParser, parsers.JSONParser,)
     renderer_classes = (renderers.JSONRenderer,)
     serializer_class = AuthTokenSerializer
+    if coreapi is not None and coreschema is not None:
+        schema = ManualSchema(
+            fields=[
+                coreapi.Field(
+                    name="username",
+                    required=True,
+                    location='form',
+                    schema=coreschema.String(
+                        title="Username",
+                        description="Valid username for authentication",
+                    ),
+                ),
+                coreapi.Field(
+                    name="password",
+                    required=True,
+                    location='form',
+                    schema=coreschema.String(
+                        title="Password",
+                        description="Valid password for authentication",
+                    ),
+                ),
+            ],
+            encoding="application/json",
+        )
 
     def post(self, request, *args, **kwargs):
         serializer = self.serializer_class(data=request.data,
diff --git a/rest_framework/compat.py b/rest_framework/compat.py
index 5009ffee1..df100966b 100644
--- a/rest_framework/compat.py
+++ b/rest_framework/compat.py
@@ -2,18 +2,9 @@
 The `compat` module provides support for backwards compatibility with older
 versions of Django/Python, and compatibility wrappers around optional packages.
 """
+import sys
 
-from __future__ import unicode_literals
-
-import inspect
-
-import django
-from django.apps import apps
 from django.conf import settings
-from django.core import validators
-from django.core.exceptions import ImproperlyConfigured
-from django.db import models
-from django.utils import six
 from django.views.generic import View
 
 try:
@@ -28,8 +19,30 @@ except ImportError:
         RegexURLResolver as URLResolver,
     )
 
+try:
+    from django.core.validators import ProhibitNullCharactersValidator  # noqa
+except ImportError:
+    ProhibitNullCharactersValidator = None
+
+
+def get_original_route(urlpattern):
+    """
+    Get the original route/regex that was typed in by the user into the path(), re_path() or url() directive. This
+    is in contrast with get_regex_pattern below, which for RoutePattern returns the raw regex generated from the path().
+    """
+    if hasattr(urlpattern, 'pattern'):
+        # Django 2.0
+        return str(urlpattern.pattern)
+    else:
+        # Django < 2.0
+        return urlpattern.regex.pattern
+
 
 def get_regex_pattern(urlpattern):
+    """
+    Get the raw regex out of the urlpattern's RegexPattern or RoutePattern. This is always a regular expression,
+    unlike get_original_route above.
+    """
     if hasattr(urlpattern, 'pattern'):
         # Django 2.0
         return urlpattern.pattern.regex.pattern
@@ -38,6 +51,16 @@ def get_regex_pattern(urlpattern):
         return urlpattern.regex.pattern
 
 
+def is_route_pattern(urlpattern):
+    if hasattr(urlpattern, 'pattern'):
+        # Django 2.0
+        from django.urls.resolvers import RoutePattern
+        return isinstance(urlpattern.pattern, RoutePattern)
+    else:
+        # Django < 2.0
+        return False
+
+
 def make_url_resolver(regex, urlpatterns):
     try:
         # Django 2.0
@@ -49,26 +72,9 @@ def make_url_resolver(regex, urlpatterns):
         return URLResolver(regex, urlpatterns)
 
 
-def unicode_repr(instance):
-    # Get the repr of an instance, but ensure it is a unicode string
-    # on both python 3 (already the case) and 2 (not the case).
-    if six.PY2:
-        return repr(instance).decode('utf-8')
-    return repr(instance)
-
-
-def unicode_to_repr(value):
-    # Coerce a unicode string to the correct repr return type, depending on
-    # the Python version. We wrap all our `__repr__` implementations with
-    # this and then use unicode throughout internally.
-    if six.PY2:
-        return value.encode('utf-8')
-    return value
-
-
 def unicode_http_header(value):
     # Coerce HTTP header value to unicode.
-    if isinstance(value, six.binary_type):
+    if isinstance(value, bytes):
         return value.decode('iso-8859-1')
     return value
 
@@ -80,30 +86,6 @@ def distinct(queryset, base):
     return queryset.distinct()
 
 
-def _resolve_model(obj):
-    """
-    Resolve supplied `obj` to a Django model class.
-
-    `obj` must be a Django model class itself, or a string
-    representation of one.  Useful in situations like GH #1225 where
-    Django may not have resolved a string-based reference to a model in
-    another model's foreign key definition.
-
-    String representations should have the format:
-        'appname.ModelName'
-    """
-    if isinstance(obj, six.string_types) and len(obj.split('.')) == 2:
-        app_name, model_name = obj.split('.')
-        resolved_model = apps.get_model(app_name, model_name)
-        if resolved_model is None:
-            msg = "Django did not return a model for {0}.{1}"
-            raise ImproperlyConfigured(msg.format(app_name, model_name))
-        return resolved_model
-    elif inspect.isclass(obj) and issubclass(obj, models.Model):
-        return obj
-    raise ValueError("{0} is not a Django model".format(obj))
-
-
 # django.contrib.postgres requires psycopg2
 try:
     from django.contrib.postgres import fields as postgres_fields
@@ -111,13 +93,16 @@ except ImportError:
     postgres_fields = None
 
 
-# coreapi is optional (Note that uritemplate is a dependency of coreapi)
+# coreapi is required for CoreAPI schema generation
 try:
     import coreapi
-    import uritemplate
-except (ImportError, SyntaxError):
-    # SyntaxError is possible under python 3.2
+except ImportError:
     coreapi = None
+
+# uritemplate is required for OpenAPI and CoreAPI schema generation
+try:
+    import uritemplate
+except ImportError:
     uritemplate = None
 
 
@@ -128,11 +113,11 @@ except ImportError:
     coreschema = None
 
 
-# django-crispy-forms is optional
+# pyyaml is optional
 try:
-    import crispy_forms
+    import yaml
 except ImportError:
-    crispy_forms = None
+    yaml = None
 
 
 # requests is optional
@@ -142,34 +127,17 @@ except ImportError:
     requests = None
 
 
-# Django-guardian is optional. Import only if guardian is in INSTALLED_APPS
-# Fixes (#1712). We keep the try/except for the test suite.
-guardian = None
-try:
-    if 'guardian' in settings.INSTALLED_APPS:
-        import guardian  # noqa
-except ImportError:
-    pass
-
-
 # PATCH method is not implemented by Django
 if 'patch' not in View.http_method_names:
     View.http_method_names = View.http_method_names + ['patch']
 
 
-# Markdown is optional
+# Markdown is optional (version 3.0+ required)
 try:
     import markdown
 
-    if markdown.version <= '2.2':
-        HEADERID_EXT_PATH = 'headerid'
-        LEVEL_PARAM = 'level'
-    elif markdown.version < '2.6':
-        HEADERID_EXT_PATH = 'markdown.extensions.headerid'
-        LEVEL_PARAM = 'level'
-    else:
-        HEADERID_EXT_PATH = 'markdown.extensions.toc'
-        LEVEL_PARAM = 'baselevel'
+    HEADERID_EXT_PATH = 'markdown.extensions.toc'
+    LEVEL_PARAM = 'baselevel'
 
     def apply_markdown(text):
         """
@@ -242,64 +210,29 @@ if markdown is not None and pygments is not None:
             return ret.split("\n")
 
     def md_filter_add_syntax_highlight(md):
-        md.preprocessors.add('highlight', CodeBlockPreprocessor(), "_begin")
+        md.preprocessors.register(CodeBlockPreprocessor(), 'highlight', 40)
         return True
 else:
     def md_filter_add_syntax_highlight(md):
         return False
 
-# pytz is required from Django 1.11. Remove when dropping Django 1.10 support.
+
+# Django 1.x url routing syntax. Remove when dropping Django 1.11 support.
 try:
-    import pytz  # noqa
-    from pytz.exceptions import InvalidTimeError
+    from django.urls import include, path, re_path, register_converter  # noqa
 except ImportError:
-    InvalidTimeError = Exception
+    from django.conf.urls import include, url # noqa
+    path = None
+    register_converter = None
+    re_path = url
 
 
 # `separators` argument to `json.dumps()` differs between 2.x and 3.x
-# See: http://bugs.python.org/issue22767
-if six.PY3:
-    SHORT_SEPARATORS = (',', ':')
-    LONG_SEPARATORS = (', ', ': ')
-    INDENT_SEPARATORS = (',', ': ')
-else:
-    SHORT_SEPARATORS = (b',', b':')
-    LONG_SEPARATORS = (b', ', b': ')
-    INDENT_SEPARATORS = (b',', b': ')
+# See: https://bugs.python.org/issue22767
+SHORT_SEPARATORS = (',', ':')
+LONG_SEPARATORS = (', ', ': ')
+INDENT_SEPARATORS = (',', ': ')
 
 
-class CustomValidatorMessage(object):
-    """
-    We need to avoid evaluation of `lazy` translated `message` in `django.core.validators.BaseValidator.__init__`.
-    https://github.com/django/django/blob/75ed5900321d170debef4ac452b8b3cf8a1c2384/django/core/validators.py#L297
-
-    Ref: https://github.com/encode/django-rest-framework/pull/5452
-    """
-
-    def __init__(self, *args, **kwargs):
-        self.message = kwargs.pop('message', self.message)
-        super(CustomValidatorMessage, self).__init__(*args, **kwargs)
-
-
-class MinValueValidator(CustomValidatorMessage, validators.MinValueValidator):
-    pass
-
-
-class MaxValueValidator(CustomValidatorMessage, validators.MaxValueValidator):
-    pass
-
-
-class MinLengthValidator(CustomValidatorMessage, validators.MinLengthValidator):
-    pass
-
-
-class MaxLengthValidator(CustomValidatorMessage, validators.MaxLengthValidator):
-    pass
-
-
-def authenticate(request=None, **credentials):
-    from django.contrib.auth import authenticate
-    if django.VERSION < (1, 11):
-        return authenticate(**credentials)
-    else:
-        return authenticate(request=request, **credentials)
+# Version Constants.
+PY36 = sys.version_info >= (3, 6)
diff --git a/rest_framework/decorators.py b/rest_framework/decorators.py
index 2f93fdd97..eb1cad9e4 100644
--- a/rest_framework/decorators.py
+++ b/rest_framework/decorators.py
@@ -3,20 +3,17 @@ The most important decorator in this module is `@api_view`, which is used
 for writing function-based views with REST framework.
 
 There are also various decorators for setting the API policies on function
-based views, as well as the `@detail_route` and `@list_route` decorators, which are
-used to annotate methods on viewsets that should be included by routers.
+based views, as well as the `@action` decorator, which is used to annotate
+methods on viewsets that should be included by routers.
 """
-from __future__ import unicode_literals
-
 import types
-import warnings
 
-from django.utils import six
+from django.forms.utils import pretty_name
 
 from rest_framework.views import APIView
 
 
-def api_view(http_method_names=None, exclude_from_schema=False):
+def api_view(http_method_names=None):
     """
     Decorator that converts a function-based view into an APIView subclass.
     Takes a list of allowed methods for the view as an argument.
@@ -26,7 +23,7 @@ def api_view(http_method_names=None, exclude_from_schema=False):
     def decorator(func):
 
         WrappedAPIView = type(
-            six.PY3 and 'WrappedAPIView' or b'WrappedAPIView',
+            'WrappedAPIView',
             (APIView,),
             {'__doc__': func.__doc__}
         )
@@ -76,15 +73,8 @@ def api_view(http_method_names=None, exclude_from_schema=False):
         WrappedAPIView.schema = getattr(func, 'schema',
                                         APIView.schema)
 
-        if exclude_from_schema:
-            warnings.warn(
-                "The `exclude_from_schema` argument to `api_view` is pending deprecation. "
-                "Use the `schema` decorator instead, passing `None`.",
-                PendingDeprecationWarning
-            )
-            WrappedAPIView.exclude_from_schema = exclude_from_schema
-
         return WrappedAPIView.as_view()
+
     return decorator
 
 
@@ -130,29 +120,95 @@ def schema(view_inspector):
     return decorator
 
 
-def detail_route(methods=None, **kwargs):
+def action(methods=None, detail=None, url_path=None, url_name=None, **kwargs):
     """
-    Used to mark a method on a ViewSet that should be routed for detail requests.
+    Mark a ViewSet method as a routable action.
+
+    Set the `detail` boolean to determine if this action should apply to
+    instance/detail requests or collection/list requests.
     """
     methods = ['get'] if (methods is None) else methods
+    methods = [method.lower() for method in methods]
+
+    assert detail is not None, (
+        "@action() missing required argument: 'detail'"
+    )
+
+    # name and suffix are mutually exclusive
+    if 'name' in kwargs and 'suffix' in kwargs:
+        raise TypeError("`name` and `suffix` are mutually exclusive arguments.")
 
     def decorator(func):
-        func.bind_to_methods = methods
-        func.detail = True
+        func.mapping = MethodMapper(func, methods)
+
+        func.detail = detail
+        func.url_path = url_path if url_path else func.__name__
+        func.url_name = url_name if url_name else func.__name__.replace('_', '-')
         func.kwargs = kwargs
+
+        # Set descriptive arguments for viewsets
+        if 'name' not in kwargs and 'suffix' not in kwargs:
+            func.kwargs['name'] = pretty_name(func.__name__)
+        func.kwargs['description'] = func.__doc__ or None
+
         return func
     return decorator
 
 
-def list_route(methods=None, **kwargs):
+class MethodMapper(dict):
     """
-    Used to mark a method on a ViewSet that should be routed for list requests.
-    """
-    methods = ['get'] if (methods is None) else methods
+    Enables mapping HTTP methods to different ViewSet methods for a single,
+    logical action.
+
+    Example usage:
+
+        class MyViewSet(ViewSet):
+
+            @action(detail=False)
+            def example(self, request, **kwargs):
+                ...
+
+            @example.mapping.post
+            def create_example(self, request, **kwargs):
+                ...
+    """
+
+    def __init__(self, action, methods):
+        self.action = action
+        for method in methods:
+            self[method] = self.action.__name__
+
+    def _map(self, method, func):
+        assert method not in self, (
+            "Method '%s' has already been mapped to '.%s'." % (method, self[method]))
+        assert func.__name__ != self.action.__name__, (
+            "Method mapping does not behave like the property decorator. You "
+            "cannot use the same method name for each mapping declaration.")
+
+        self[method] = func.__name__
 
-    def decorator(func):
-        func.bind_to_methods = methods
-        func.detail = False
-        func.kwargs = kwargs
         return func
-    return decorator
+
+    def get(self, func):
+        return self._map('get', func)
+
+    def post(self, func):
+        return self._map('post', func)
+
+    def put(self, func):
+        return self._map('put', func)
+
+    def patch(self, func):
+        return self._map('patch', func)
+
+    def delete(self, func):
+        return self._map('delete', func)
+
+    def head(self, func):
+        return self._map('head', func)
+
+    def options(self, func):
+        return self._map('options', func)
+
+    def trace(self, func):
+        return self._map('trace', func)
diff --git a/rest_framework/documentation.py b/rest_framework/documentation.py
index 8aee5c932..ce61fa6bf 100644
--- a/rest_framework/documentation.py
+++ b/rest_framework/documentation.py
@@ -8,15 +8,19 @@ from rest_framework.settings import api_settings
 
 
 def get_docs_view(
-        title=None, description=None, schema_url=None, public=True,
-        patterns=None, generator_class=SchemaGenerator,
+        title=None, description=None, schema_url=None, urlconf=None,
+        public=True, patterns=None, generator_class=SchemaGenerator,
         authentication_classes=api_settings.DEFAULT_AUTHENTICATION_CLASSES,
-        permission_classes=api_settings.DEFAULT_PERMISSION_CLASSES):
-    renderer_classes = [DocumentationRenderer, CoreJSONRenderer]
+        permission_classes=api_settings.DEFAULT_PERMISSION_CLASSES,
+        renderer_classes=None):
+
+    if renderer_classes is None:
+        renderer_classes = [DocumentationRenderer, CoreJSONRenderer]
 
     return get_schema_view(
         title=title,
         url=schema_url,
+        urlconf=urlconf,
         description=description,
         renderer_classes=renderer_classes,
         public=public,
@@ -28,8 +32,8 @@ def get_docs_view(
 
 
 def get_schemajs_view(
-        title=None, description=None, schema_url=None, public=True,
-        patterns=None, generator_class=SchemaGenerator,
+        title=None, description=None, schema_url=None, urlconf=None,
+        public=True, patterns=None, generator_class=SchemaGenerator,
         authentication_classes=api_settings.DEFAULT_AUTHENTICATION_CLASSES,
         permission_classes=api_settings.DEFAULT_PERMISSION_CLASSES):
     renderer_classes = [SchemaJSRenderer]
@@ -37,6 +41,7 @@ def get_schemajs_view(
     return get_schema_view(
         title=title,
         url=schema_url,
+        urlconf=urlconf,
         description=description,
         renderer_classes=renderer_classes,
         public=public,
@@ -48,24 +53,28 @@ def get_schemajs_view(
 
 
 def include_docs_urls(
-        title=None, description=None, schema_url=None, public=True,
-        patterns=None, generator_class=SchemaGenerator,
+        title=None, description=None, schema_url=None, urlconf=None,
+        public=True, patterns=None, generator_class=SchemaGenerator,
         authentication_classes=api_settings.DEFAULT_AUTHENTICATION_CLASSES,
-        permission_classes=api_settings.DEFAULT_PERMISSION_CLASSES):
+        permission_classes=api_settings.DEFAULT_PERMISSION_CLASSES,
+        renderer_classes=None):
     docs_view = get_docs_view(
         title=title,
         description=description,
         schema_url=schema_url,
+        urlconf=urlconf,
         public=public,
         patterns=patterns,
         generator_class=generator_class,
         authentication_classes=authentication_classes,
+        renderer_classes=renderer_classes,
         permission_classes=permission_classes,
     )
     schema_js_view = get_schemajs_view(
         title=title,
         description=description,
         schema_url=schema_url,
+        urlconf=urlconf,
         public=public,
         patterns=patterns,
         generator_class=generator_class,
diff --git a/rest_framework/exceptions.py b/rest_framework/exceptions.py
index d885ba643..345a40524 100644
--- a/rest_framework/exceptions.py
+++ b/rest_framework/exceptions.py
@@ -4,14 +4,12 @@ Handled exceptions raised by REST framework.
 In addition Django's built in 403 and 404 exceptions are handled.
 (`django.http.Http404` and `django.core.exceptions.PermissionDenied`)
 """
-from __future__ import unicode_literals
-
 import math
 
-from django.utils import six
-from django.utils.encoding import force_text
-from django.utils.translation import ugettext_lazy as _
-from django.utils.translation import ungettext
+from django.http import JsonResponse
+from django.utils.encoding import force_str
+from django.utils.translation import gettext_lazy as _
+from django.utils.translation import ngettext
 
 from rest_framework import status
 from rest_framework.utils.serializer_helpers import ReturnDict, ReturnList
@@ -38,7 +36,7 @@ def _get_error_details(data, default_code=None):
             return ReturnDict(ret, serializer=data.serializer)
         return ret
 
-    text = force_text(data)
+    text = force_str(data)
     code = getattr(data, 'code', default_code)
     return ErrorDetail(text, code)
 
@@ -62,17 +60,36 @@ def _get_full_details(detail):
     }
 
 
-class ErrorDetail(six.text_type):
+class ErrorDetail(str):
     """
     A string-like object that can additionally have a code.
     """
     code = None
 
     def __new__(cls, string, code=None):
-        self = super(ErrorDetail, cls).__new__(cls, string)
+        self = super().__new__(cls, string)
         self.code = code
         return self
 
+    def __eq__(self, other):
+        r = super().__eq__(other)
+        try:
+            return r and self.code == other.code
+        except AttributeError:
+            return r
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __repr__(self):
+        return 'ErrorDetail(string=%r, code=%r)' % (
+            str(self),
+            self.code,
+        )
+
+    def __hash__(self):
+        return hash(str(self))
+
 
 class APIException(Exception):
     """
@@ -92,7 +109,7 @@ class APIException(Exception):
         self.detail = _get_error_details(detail, code)
 
     def __str__(self):
-        return six.text_type(self.detail)
+        return str(self.detail)
 
     def get_codes(self):
         """
@@ -174,8 +191,8 @@ class MethodNotAllowed(APIException):
 
     def __init__(self, method, detail=None, code=None):
         if detail is None:
-            detail = force_text(self.default_detail).format(method=method)
-        super(MethodNotAllowed, self).__init__(detail, code)
+            detail = force_str(self.default_detail).format(method=method)
+        super().__init__(detail, code)
 
 
 class NotAcceptable(APIException):
@@ -185,7 +202,7 @@ class NotAcceptable(APIException):
 
     def __init__(self, detail=None, code=None, available_renderers=None):
         self.available_renderers = available_renderers
-        super(NotAcceptable, self).__init__(detail, code)
+        super().__init__(detail, code)
 
 
 class UnsupportedMediaType(APIException):
@@ -195,26 +212,46 @@ class UnsupportedMediaType(APIException):
 
     def __init__(self, media_type, detail=None, code=None):
         if detail is None:
-            detail = force_text(self.default_detail).format(media_type=media_type)
-        super(UnsupportedMediaType, self).__init__(detail, code)
+            detail = force_str(self.default_detail).format(media_type=media_type)
+        super().__init__(detail, code)
 
 
 class Throttled(APIException):
     status_code = status.HTTP_429_TOO_MANY_REQUESTS
     default_detail = _('Request was throttled.')
-    extra_detail_singular = 'Expected available in {wait} second.'
-    extra_detail_plural = 'Expected available in {wait} seconds.'
+    extra_detail_singular = _('Expected available in {wait} second.')
+    extra_detail_plural = _('Expected available in {wait} seconds.')
     default_code = 'throttled'
 
     def __init__(self, wait=None, detail=None, code=None):
         if detail is None:
-            detail = force_text(self.default_detail)
+            detail = force_str(self.default_detail)
         if wait is not None:
             wait = math.ceil(wait)
             detail = ' '.join((
                 detail,
-                force_text(ungettext(self.extra_detail_singular.format(wait=wait),
-                                     self.extra_detail_plural.format(wait=wait),
-                                     wait))))
+                force_str(ngettext(self.extra_detail_singular.format(wait=wait),
+                                   self.extra_detail_plural.format(wait=wait),
+                                   wait))))
         self.wait = wait
-        super(Throttled, self).__init__(detail, code)
+        super().__init__(detail, code)
+
+
+def server_error(request, *args, **kwargs):
+    """
+    Generic 500 error handler.
+    """
+    data = {
+        'error': 'Server Error (500)'
+    }
+    return JsonResponse(data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+
+def bad_request(request, exception, *args, **kwargs):
+    """
+    Generic 400 error handler.
+    """
+    data = {
+        'error': 'Bad Request (400)'
+    }
+    return JsonResponse(data, status=status.HTTP_400_BAD_REQUEST)
diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index a710df7b4..ea8f47b2d 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -1,6 +1,3 @@
-from __future__ import unicode_literals
-
-import collections
 import copy
 import datetime
 import decimal
@@ -9,35 +6,35 @@ import inspect
 import re
 import uuid
 from collections import OrderedDict
+from collections.abc import Mapping
 
 from django.conf import settings
-from django.core.exceptions import ValidationError as DjangoValidationError
 from django.core.exceptions import ObjectDoesNotExist
+from django.core.exceptions import ValidationError as DjangoValidationError
 from django.core.validators import (
-    EmailValidator, RegexValidator, URLValidator, ip_address_validators
+    EmailValidator, MaxLengthValidator, MaxValueValidator, MinLengthValidator,
+    MinValueValidator, RegexValidator, URLValidator, ip_address_validators
 )
 from django.forms import FilePathField as DjangoFilePathField
 from django.forms import ImageField as DjangoImageField
-from django.utils import six, timezone
+from django.utils import timezone
 from django.utils.dateparse import (
     parse_date, parse_datetime, parse_duration, parse_time
 )
 from django.utils.duration import duration_string
 from django.utils.encoding import is_protected_type, smart_text
 from django.utils.formats import localize_input, sanitize_separators
-from django.utils.functional import lazy
 from django.utils.ipv6 import clean_ipv6_address
 from django.utils.timezone import utc
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
+from pytz.exceptions import InvalidTimeError
 
 from rest_framework import ISO_8601
-from rest_framework.compat import (
-    InvalidTimeError, MaxLengthValidator, MaxValueValidator,
-    MinLengthValidator, MinValueValidator, unicode_repr, unicode_to_repr
-)
+from rest_framework.compat import ProhibitNullCharactersValidator
 from rest_framework.exceptions import ErrorDetail, ValidationError
 from rest_framework.settings import api_settings
 from rest_framework.utils import html, humanize_datetime, json, representation
+from rest_framework.utils.formatting import lazy_format
 
 
 class empty:
@@ -50,39 +47,35 @@ class empty:
     pass
 
 
-if six.PY3:
-    def is_simple_callable(obj):
-        """
-        True if the object is a callable that takes no arguments.
-        """
-        if not (inspect.isfunction(obj) or inspect.ismethod(obj) or isinstance(obj, functools.partial)):
-            return False
+class BuiltinSignatureError(Exception):
+    """
+    Built-in function signatures are not inspectable. This exception is raised
+    so the serializer can raise a helpful error message.
+    """
+    pass
 
-        sig = inspect.signature(obj)
-        params = sig.parameters.values()
-        return all(
-            param.kind == param.VAR_POSITIONAL or
-            param.kind == param.VAR_KEYWORD or
-            param.default != param.empty
-            for param in params
-        )
 
-else:
-    def is_simple_callable(obj):
-        function = inspect.isfunction(obj)
-        method = inspect.ismethod(obj)
+def is_simple_callable(obj):
+    """
+    True if the object is a callable that takes no arguments.
+    """
+    # Bail early since we cannot inspect built-in function signatures.
+    if inspect.isbuiltin(obj):
+        raise BuiltinSignatureError(
+            'Built-in function signatures are not inspectable. '
+            'Wrap the function call in a simple, pure Python function.')
 
-        if not (function or method):
-            return False
+    if not (inspect.isfunction(obj) or inspect.ismethod(obj) or isinstance(obj, functools.partial)):
+        return False
 
-        if method:
-            is_unbound = obj.im_self is None
-
-        args, _, _, defaults = inspect.getargspec(obj)
-
-        len_args = len(args) if function or is_unbound else len(args) - 1
-        len_defaults = len(defaults) if defaults else 0
-        return len_args <= len_defaults
+    sig = inspect.signature(obj)
+    params = sig.parameters.values()
+    return all(
+        param.kind == param.VAR_POSITIONAL or
+        param.kind == param.VAR_KEYWORD or
+        param.default != param.empty
+        for param in params
+    )
 
 
 def get_attribute(instance, attrs):
@@ -94,7 +87,7 @@ def get_attribute(instance, attrs):
     """
     for attr in attrs:
         try:
-            if isinstance(instance, collections.Mapping):
+            if isinstance(instance, Mapping):
                 instance = instance[attr]
             else:
                 instance = getattr(instance, attr)
@@ -107,7 +100,7 @@ def get_attribute(instance, attrs):
                 # If we raised an Attribute or KeyError here it'd get treated
                 # as an omitted field in `Field.get_attribute()`. Instead we
                 # raise a ValueError to ensure the exception is not masked.
-                raise ValueError('Exception raised in callable attribute "{0}"; original exception was: {1}'.format(attr, exc))
+                raise ValueError('Exception raised in callable attribute "{}"; original exception was: {}'.format(attr, exc))
 
     return instance
 
@@ -184,18 +177,18 @@ def iter_options(grouped_choices, cutoff=None, cutoff_text=None):
     """
     Helper function for options and option groups in templates.
     """
-    class StartOptionGroup(object):
+    class StartOptionGroup:
         start_option_group = True
         end_option_group = False
 
         def __init__(self, label):
             self.label = label
 
-    class EndOptionGroup(object):
+    class EndOptionGroup:
         start_option_group = False
         end_option_group = True
 
-    class Option(object):
+    class Option:
         start_option_group = False
         end_option_group = False
 
@@ -233,13 +226,24 @@ def get_error_detail(exc_info):
     with the `code` populated.
     """
     code = getattr(exc_info, 'code', None) or 'invalid'
-    return [
-        ErrorDetail(msg, code=code)
-        for msg in exc_info.messages
-    ]
+
+    try:
+        error_dict = exc_info.error_dict
+    except AttributeError:
+        return [
+            ErrorDetail((error.message % error.params) if error.params else error.message,
+                        code=error.code if error.code else code)
+            for error in exc_info.error_list]
+    return {
+        k: [
+            ErrorDetail((error.message % error.params) if error.params else error.message,
+                        code=error.code if error.code else code)
+            for error in errors
+        ] for k, errors in error_dict.items()
+    }
 
 
-class CreateOnlyDefault(object):
+class CreateOnlyDefault:
     """
     This class may be used to provide default values that are only used
     for create operations, but that do not return any value for update
@@ -261,12 +265,10 @@ class CreateOnlyDefault(object):
         return self.default
 
     def __repr__(self):
-        return unicode_to_repr(
-            '%s(%s)' % (self.__class__.__name__, unicode_repr(self.default))
-        )
+        return '%s(%s)' % (self.__class__.__name__, repr(self.default))
 
 
-class CurrentUserDefault(object):
+class CurrentUserDefault:
     def set_context(self, serializer_field):
         self.user = serializer_field.context['request'].user
 
@@ -274,7 +276,7 @@ class CurrentUserDefault(object):
         return self.user
 
     def __repr__(self):
-        return unicode_to_repr('%s()' % self.__class__.__name__)
+        return '%s()' % self.__class__.__name__
 
 
 class SkipField(Exception):
@@ -293,7 +295,7 @@ MISSING_ERROR_MESSAGE = (
 )
 
 
-class Field(object):
+class Field:
     _creation_counter = 0
 
     default_error_messages = {
@@ -337,7 +339,7 @@ class Field(object):
                 self.default_empty_html = default
 
         if validators is not None:
-            self.validators = validators[:]
+            self.validators = list(validators)
 
         # These are set up by `.bind()` when the field is added to a serializer.
         self.field_name = None
@@ -397,7 +399,7 @@ class Field(object):
         self._validators = validators
 
     def get_validators(self):
-        return self.default_validators[:]
+        return list(self.default_validators)
 
     def get_initial(self):
         """
@@ -439,13 +441,25 @@ class Field(object):
         """
         try:
             return get_attribute(instance, self.source_attrs)
+        except BuiltinSignatureError as exc:
+            msg = (
+                'Field source for `{serializer}.{field}` maps to a built-in '
+                'function type and is invalid. Define a property or method on '
+                'the `{instance}` instance that wraps the call to the built-in '
+                'function.'.format(
+                    serializer=self.parent.__class__.__name__,
+                    field=self.field_name,
+                    instance=instance.__class__.__name__,
+                )
+            )
+            raise type(exc)(msg)
         except (KeyError, AttributeError) as exc:
             if self.default is not empty:
                 return self.get_default()
-            if not self.required:
-                raise SkipField()
             if self.allow_null:
                 return None
+            if not self.required:
+                raise SkipField()
             msg = (
                 'Got {exc_type} when attempting to get a value for field '
                 '`{field}` on serializer `{serializer}`.\nThe serializer '
@@ -503,6 +517,11 @@ class Field(object):
         if data is None:
             if not self.allow_null:
                 self.fail('null')
+            # Nullable `source='*'` fields should not be skipped when its named
+            # field is given a null value. This is because `source='*'` means
+            # the field is passed the entire object, which is not null.
+            elif self.source == '*':
+                return (False, None)
             return (True, None)
 
         return (False, data)
@@ -606,7 +625,7 @@ class Field(object):
         When a field is instantiated, we store the arguments that were used,
         so that we can present a helpful representation of the object.
         """
-        instance = super(Field, cls).__new__(cls)
+        instance = super().__new__(cls)
         instance._args = args
         instance._kwargs = kwargs
         return instance
@@ -624,7 +643,7 @@ class Field(object):
             for item in self._args
         ]
         kwargs = {
-            key: (copy.deepcopy(value) if (key not in ('validators', 'regex')) else value)
+            key: (copy.deepcopy(value, memo) if (key not in ('validators', 'regex')) else value)
             for key, value in self._kwargs.items()
         }
         return self.__class__(*args, **kwargs)
@@ -635,14 +654,14 @@ class Field(object):
         This allows us to create descriptive representations for serializer
         instances that show all the declared fields on the serializer.
         """
-        return unicode_to_repr(representation.field_repr(self))
+        return representation.field_repr(self)
 
 
 # Boolean types...
 
 class BooleanField(Field):
     default_error_messages = {
-        'invalid': _('"{input}" is not a valid boolean.')
+        'invalid': _('Must be a valid boolean.')
     }
     default_empty_html = False
     initial = False
@@ -662,10 +681,7 @@ class BooleanField(Field):
         '0', 0, 0.0,
         False
     }
-
-    def __init__(self, **kwargs):
-        assert 'allow_null' not in kwargs, '`allow_null` is not a valid option. Use `NullBooleanField` instead.'
-        super(BooleanField, self).__init__(**kwargs)
+    NULL_VALUES = {'null', 'Null', 'NULL', '', None}
 
     def to_internal_value(self, data):
         try:
@@ -673,6 +689,8 @@ class BooleanField(Field):
                 return True
             elif data in self.FALSE_VALUES:
                 return False
+            elif data in self.NULL_VALUES and self.allow_null:
+                return None
         except TypeError:  # Input is an unhashable type
             pass
         self.fail('invalid', input=data)
@@ -682,12 +700,14 @@ class BooleanField(Field):
             return True
         elif value in self.FALSE_VALUES:
             return False
+        if value in self.NULL_VALUES and self.allow_null:
+            return None
         return bool(value)
 
 
 class NullBooleanField(Field):
     default_error_messages = {
-        'invalid': _('"{input}" is not a valid boolean.')
+        'invalid': _('Must be a valid boolean.')
     }
     initial = None
     TRUE_VALUES = {
@@ -706,12 +726,12 @@ class NullBooleanField(Field):
         '0', 0, 0.0,
         False
     }
-    NULL_VALUES = {'n', 'N', 'null', 'Null', 'NULL', '', None}
+    NULL_VALUES = {'null', 'Null', 'NULL', '', None}
 
     def __init__(self, **kwargs):
         assert 'allow_null' not in kwargs, '`allow_null` is not a valid option.'
         kwargs['allow_null'] = True
-        super(NullBooleanField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def to_internal_value(self, data):
         try:
@@ -742,7 +762,7 @@ class CharField(Field):
         'invalid': _('Not a valid string.'),
         'blank': _('This field may not be blank.'),
         'max_length': _('Ensure this field has no more than {max_length} characters.'),
-        'min_length': _('Ensure this field has at least {min_length} characters.')
+        'min_length': _('Ensure this field has at least {min_length} characters.'),
     }
     initial = ''
 
@@ -751,41 +771,41 @@ class CharField(Field):
         self.trim_whitespace = kwargs.pop('trim_whitespace', True)
         self.max_length = kwargs.pop('max_length', None)
         self.min_length = kwargs.pop('min_length', None)
-        super(CharField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
         if self.max_length is not None:
-            message = lazy(
-                self.error_messages['max_length'].format,
-                six.text_type)(max_length=self.max_length)
+            message = lazy_format(self.error_messages['max_length'], max_length=self.max_length)
             self.validators.append(
                 MaxLengthValidator(self.max_length, message=message))
         if self.min_length is not None:
-            message = lazy(
-                self.error_messages['min_length'].format,
-                six.text_type)(min_length=self.min_length)
+            message = lazy_format(self.error_messages['min_length'], min_length=self.min_length)
             self.validators.append(
                 MinLengthValidator(self.min_length, message=message))
 
+        # ProhibitNullCharactersValidator is None on Django < 2.0
+        if ProhibitNullCharactersValidator is not None:
+            self.validators.append(ProhibitNullCharactersValidator())
+
     def run_validation(self, data=empty):
         # Test for the empty string here so that it does not get validated,
         # and so that subclasses do not need to handle it explicitly
         # inside the `to_internal_value()` method.
-        if data == '' or (self.trim_whitespace and six.text_type(data).strip() == ''):
+        if data == '' or (self.trim_whitespace and str(data).strip() == ''):
             if not self.allow_blank:
                 self.fail('blank')
             return ''
-        return super(CharField, self).run_validation(data)
+        return super().run_validation(data)
 
     def to_internal_value(self, data):
         # We're lenient with allowing basic numerics to be coerced into strings,
         # but other types should fail. Eg. unclear if booleans should represent as `true` or `True`,
         # and composites such as lists are likely user error.
-        if isinstance(data, bool) or not isinstance(data, six.string_types + six.integer_types + (float,)):
+        if isinstance(data, bool) or not isinstance(data, (str, int, float,)):
             self.fail('invalid')
-        value = six.text_type(data)
+        value = str(data)
         return value.strip() if self.trim_whitespace else value
 
     def to_representation(self, value):
-        return six.text_type(value)
+        return str(value)
 
 
 class EmailField(CharField):
@@ -794,7 +814,7 @@ class EmailField(CharField):
     }
 
     def __init__(self, **kwargs):
-        super(EmailField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
         validator = EmailValidator(message=self.error_messages['invalid'])
         self.validators.append(validator)
 
@@ -805,7 +825,7 @@ class RegexField(CharField):
     }
 
     def __init__(self, regex, **kwargs):
-        super(RegexField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
         validator = RegexValidator(regex, message=self.error_messages['invalid'])
         self.validators.append(validator)
 
@@ -817,7 +837,7 @@ class SlugField(CharField):
     }
 
     def __init__(self, allow_unicode=False, **kwargs):
-        super(SlugField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
         self.allow_unicode = allow_unicode
         if self.allow_unicode:
             validator = RegexValidator(re.compile(r'^[-\w]+\Z', re.UNICODE), message=self.error_messages['invalid_unicode'])
@@ -832,7 +852,7 @@ class URLField(CharField):
     }
 
     def __init__(self, **kwargs):
-        super(URLField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
         validator = URLValidator(message=self.error_messages['invalid'])
         self.validators.append(validator)
 
@@ -841,7 +861,7 @@ class UUIDField(Field):
     valid_formats = ('hex_verbose', 'hex', 'int', 'urn')
 
     default_error_messages = {
-        'invalid': _('"{value}" is not a valid UUID.'),
+        'invalid': _('Must be a valid UUID.'),
     }
 
     def __init__(self, **kwargs):
@@ -849,16 +869,16 @@ class UUIDField(Field):
         if self.uuid_format not in self.valid_formats:
             raise ValueError(
                 'Invalid format for uuid representation. '
-                'Must be one of "{0}"'.format('", "'.join(self.valid_formats))
+                'Must be one of "{}"'.format('", "'.join(self.valid_formats))
             )
-        super(UUIDField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def to_internal_value(self, data):
         if not isinstance(data, uuid.UUID):
             try:
-                if isinstance(data, six.integer_types):
+                if isinstance(data, int):
                     return uuid.UUID(int=data)
-                elif isinstance(data, six.string_types):
+                elif isinstance(data, str):
                     return uuid.UUID(hex=data)
                 else:
                     self.fail('invalid', value=data)
@@ -883,12 +903,12 @@ class IPAddressField(CharField):
     def __init__(self, protocol='both', **kwargs):
         self.protocol = protocol.lower()
         self.unpack_ipv4 = (self.protocol == 'both')
-        super(IPAddressField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
         validators, error_message = ip_address_validators(protocol, self.unpack_ipv4)
         self.validators.extend(validators)
 
     def to_internal_value(self, data):
-        if not isinstance(data, six.string_types):
+        if not isinstance(data, str):
             self.fail('invalid', value=data)
 
         if ':' in data:
@@ -898,7 +918,7 @@ class IPAddressField(CharField):
             except DjangoValidationError:
                 self.fail('invalid', value=data)
 
-        return super(IPAddressField, self).to_internal_value(data)
+        return super().to_internal_value(data)
 
 
 # Number types...
@@ -916,22 +936,18 @@ class IntegerField(Field):
     def __init__(self, **kwargs):
         self.max_value = kwargs.pop('max_value', None)
         self.min_value = kwargs.pop('min_value', None)
-        super(IntegerField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
         if self.max_value is not None:
-            message = lazy(
-                self.error_messages['max_value'].format,
-                six.text_type)(max_value=self.max_value)
+            message = lazy_format(self.error_messages['max_value'], max_value=self.max_value)
             self.validators.append(
                 MaxValueValidator(self.max_value, message=message))
         if self.min_value is not None:
-            message = lazy(
-                self.error_messages['min_value'].format,
-                six.text_type)(min_value=self.min_value)
+            message = lazy_format(self.error_messages['min_value'], min_value=self.min_value)
             self.validators.append(
                 MinValueValidator(self.min_value, message=message))
 
     def to_internal_value(self, data):
-        if isinstance(data, six.text_type) and len(data) > self.MAX_STRING_LENGTH:
+        if isinstance(data, str) and len(data) > self.MAX_STRING_LENGTH:
             self.fail('max_string_length')
 
         try:
@@ -956,23 +972,19 @@ class FloatField(Field):
     def __init__(self, **kwargs):
         self.max_value = kwargs.pop('max_value', None)
         self.min_value = kwargs.pop('min_value', None)
-        super(FloatField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
         if self.max_value is not None:
-            message = lazy(
-                self.error_messages['max_value'].format,
-                six.text_type)(max_value=self.max_value)
+            message = lazy_format(self.error_messages['max_value'], max_value=self.max_value)
             self.validators.append(
                 MaxValueValidator(self.max_value, message=message))
         if self.min_value is not None:
-            message = lazy(
-                self.error_messages['min_value'].format,
-                six.text_type)(min_value=self.min_value)
+            message = lazy_format(self.error_messages['min_value'], min_value=self.min_value)
             self.validators.append(
                 MinValueValidator(self.min_value, message=message))
 
     def to_internal_value(self, data):
 
-        if isinstance(data, six.text_type) and len(data) > self.MAX_STRING_LENGTH:
+        if isinstance(data, str) and len(data) > self.MAX_STRING_LENGTH:
             self.fail('max_string_length')
 
         try:
@@ -1014,18 +1026,14 @@ class DecimalField(Field):
         else:
             self.max_whole_digits = None
 
-        super(DecimalField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
         if self.max_value is not None:
-            message = lazy(
-                self.error_messages['max_value'].format,
-                six.text_type)(max_value=self.max_value)
+            message = lazy_format(self.error_messages['max_value'], max_value=self.max_value)
             self.validators.append(
                 MaxValueValidator(self.max_value, message=message))
         if self.min_value is not None:
-            message = lazy(
-                self.error_messages['min_value'].format,
-                six.text_type)(min_value=self.min_value)
+            message = lazy_format(self.error_messages['min_value'], min_value=self.min_value)
             self.validators.append(
                 MinValueValidator(self.min_value, message=message))
 
@@ -1054,9 +1062,7 @@ class DecimalField(Field):
         except decimal.DecimalException:
             self.fail('invalid')
 
-        # Check for NaN. It is the only value that isn't equal to itself,
-        # so we can use this to identify NaN values.
-        if value != value:
+        if value.is_nan():
             self.fail('invalid')
 
         # Check for infinity and negative infinity.
@@ -1104,7 +1110,7 @@ class DecimalField(Field):
         coerce_to_string = getattr(self, 'coerce_to_string', api_settings.COERCE_DECIMAL_TO_STRING)
 
         if not isinstance(value, decimal.Decimal):
-            value = decimal.Decimal(six.text_type(value).strip())
+            value = decimal.Decimal(str(value).strip())
 
         quantized = self.quantize(value)
 
@@ -1113,7 +1119,7 @@ class DecimalField(Field):
         if self.localize:
             return localize_input(quantized)
 
-        return '{0:f}'.format(quantized)
+        return '{:f}'.format(quantized)
 
     def quantize(self, value):
         """
@@ -1150,7 +1156,7 @@ class DateTimeField(Field):
             self.input_formats = input_formats
         if default_timezone is not None:
             self.timezone = default_timezone
-        super(DateTimeField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def enforce_timezone(self, value):
         """
@@ -1209,11 +1215,12 @@ class DateTimeField(Field):
 
         output_format = getattr(self, 'format', api_settings.DATETIME_FORMAT)
 
-        if output_format is None or isinstance(value, six.string_types):
+        if output_format is None or isinstance(value, str):
             return value
 
+        value = self.enforce_timezone(value)
+
         if output_format.lower() == ISO_8601:
-            value = self.enforce_timezone(value)
             value = value.isoformat()
             if value.endswith('+00:00'):
                 value = value[:-6] + 'Z'
@@ -1233,7 +1240,7 @@ class DateField(Field):
             self.format = format
         if input_formats is not None:
             self.input_formats = input_formats
-        super(DateField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def to_internal_value(self, value):
         input_formats = getattr(self, 'input_formats', api_settings.DATE_INPUT_FORMATS)
@@ -1270,7 +1277,7 @@ class DateField(Field):
 
         output_format = getattr(self, 'format', api_settings.DATE_FORMAT)
 
-        if output_format is None or isinstance(value, six.string_types):
+        if output_format is None or isinstance(value, str):
             return value
 
         # Applying a `DateField` to a datetime value is almost always
@@ -1299,7 +1306,7 @@ class TimeField(Field):
             self.format = format
         if input_formats is not None:
             self.input_formats = input_formats
-        super(TimeField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def to_internal_value(self, value):
         input_formats = getattr(self, 'input_formats', api_settings.TIME_INPUT_FORMATS)
@@ -1333,7 +1340,7 @@ class TimeField(Field):
 
         output_format = getattr(self, 'format', api_settings.TIME_FORMAT)
 
-        if output_format is None or isinstance(value, six.string_types):
+        if output_format is None or isinstance(value, str):
             return value
 
         # Applying a `TimeField` to a datetime value is almost always
@@ -1353,12 +1360,27 @@ class TimeField(Field):
 class DurationField(Field):
     default_error_messages = {
         'invalid': _('Duration has wrong format. Use one of these formats instead: {format}.'),
+        'max_value': _('Ensure this value is less than or equal to {max_value}.'),
+        'min_value': _('Ensure this value is greater than or equal to {min_value}.'),
     }
 
+    def __init__(self, **kwargs):
+        self.max_value = kwargs.pop('max_value', None)
+        self.min_value = kwargs.pop('min_value', None)
+        super().__init__(**kwargs)
+        if self.max_value is not None:
+            message = lazy_format(self.error_messages['max_value'], max_value=self.max_value)
+            self.validators.append(
+                MaxValueValidator(self.max_value, message=message))
+        if self.min_value is not None:
+            message = lazy_format(self.error_messages['min_value'], min_value=self.min_value)
+            self.validators.append(
+                MinValueValidator(self.min_value, message=message))
+
     def to_internal_value(self, value):
         if isinstance(value, datetime.timedelta):
             return value
-        parsed = parse_duration(six.text_type(value))
+        parsed = parse_duration(str(value))
         if parsed is not None:
             return parsed
         self.fail('invalid', format='[DD] [HH:[MM:]]ss[.uuuuuu]')
@@ -1383,21 +1405,21 @@ class ChoiceField(Field):
 
         self.allow_blank = kwargs.pop('allow_blank', False)
 
-        super(ChoiceField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def to_internal_value(self, data):
         if data == '' and self.allow_blank:
             return ''
 
         try:
-            return self.choice_strings_to_values[six.text_type(data)]
+            return self.choice_strings_to_values[str(data)]
         except KeyError:
             self.fail('invalid_choice', input=data)
 
     def to_representation(self, value):
         if value in ('', None):
             return value
-        return self.choice_strings_to_values.get(six.text_type(value), value)
+        return self.choice_strings_to_values.get(str(value), value)
 
     def iter_options(self):
         """
@@ -1420,7 +1442,7 @@ class ChoiceField(Field):
         # Allows us to deal with eg. integer choices while supporting either
         # integer or string input, but still get the correct datatype out.
         self.choice_strings_to_values = {
-            six.text_type(key): key for key in self.choices.keys()
+            str(key): key for key in self.choices
         }
 
     choices = property(_get_choices, _set_choices)
@@ -1436,7 +1458,7 @@ class MultipleChoiceField(ChoiceField):
 
     def __init__(self, *args, **kwargs):
         self.allow_empty = kwargs.pop('allow_empty', True)
-        super(MultipleChoiceField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def get_value(self, dictionary):
         if self.field_name not in dictionary:
@@ -1449,7 +1471,7 @@ class MultipleChoiceField(ChoiceField):
         return dictionary.get(self.field_name, empty)
 
     def to_internal_value(self, data):
-        if isinstance(data, type('')) or not hasattr(data, '__iter__'):
+        if isinstance(data, str) or not hasattr(data, '__iter__'):
             self.fail('not_a_list', input_type=type(data).__name__)
         if not self.allow_empty and len(data) == 0:
             self.fail('empty')
@@ -1461,7 +1483,7 @@ class MultipleChoiceField(ChoiceField):
 
     def to_representation(self, value):
         return {
-            self.choice_strings_to_values.get(six.text_type(item), item) for item in value
+            self.choice_strings_to_values.get(str(item), item) for item in value
         }
 
 
@@ -1479,7 +1501,7 @@ class FilePathField(ChoiceField):
             allow_folders=allow_folders, required=required
         )
         kwargs['choices'] = field.choices
-        super(FilePathField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
 
 # File types...
@@ -1498,7 +1520,7 @@ class FileField(Field):
         self.allow_empty_file = kwargs.pop('allow_empty_file', False)
         if 'use_url' in kwargs:
             self.use_url = kwargs.pop('use_url')
-        super(FileField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def to_internal_value(self, data):
         try:
@@ -1522,16 +1544,16 @@ class FileField(Field):
             return None
 
         use_url = getattr(self, 'use_url', api_settings.UPLOADED_FILES_USE_URL)
-
         if use_url:
-            if not getattr(value, 'url', None):
-                # If the file has not been saved it may not have a URL.
+            try:
+                url = value.url
+            except AttributeError:
                 return None
-            url = value.url
             request = self.context.get('request', None)
             if request is not None:
                 return request.build_absolute_uri(url)
             return url
+
         return value.name
 
 
@@ -1544,13 +1566,13 @@ class ImageField(FileField):
 
     def __init__(self, *args, **kwargs):
         self._DjangoImageField = kwargs.pop('_DjangoImageField', DjangoImageField)
-        super(ImageField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def to_internal_value(self, data):
         # Image validation is a bit grungy, so we'll just outright
         # defer to Django's implementation so we don't need to
         # consider it, or treat PIL as a test dependency.
-        file_object = super(ImageField, self).to_internal_value(data)
+        file_object = super().to_internal_value(data)
         django_field = self._DjangoImageField()
         django_field.error_messages = self.error_messages
         return django_field.clean(file_object)
@@ -1560,7 +1582,7 @@ class ImageField(FileField):
 
 class _UnvalidatedField(Field):
     def __init__(self, *args, **kwargs):
-        super(_UnvalidatedField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.allow_blank = True
         self.allow_null = True
 
@@ -1593,13 +1615,13 @@ class ListField(Field):
             "Remove `source=` from the field declaration."
         )
 
-        super(ListField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.child.bind(field_name='', parent=self)
         if self.max_length is not None:
-            message = self.error_messages['max_length'].format(max_length=self.max_length)
+            message = lazy_format(self.error_messages['max_length'], max_length=self.max_length)
             self.validators.append(MaxLengthValidator(self.max_length, message=message))
         if self.min_length is not None:
-            message = self.error_messages['min_length'].format(min_length=self.min_length)
+            message = lazy_format(self.error_messages['min_length'], min_length=self.min_length)
             self.validators.append(MinLengthValidator(self.min_length, message=message))
 
     def get_value(self, dictionary):
@@ -1613,7 +1635,8 @@ class ListField(Field):
             if len(val) > 0:
                 # Support QueryDict lists in HTML input.
                 return val
-            return html.parse_html_list(dictionary, prefix=self.field_name)
+            return html.parse_html_list(dictionary, prefix=self.field_name, default=empty)
+
         return dictionary.get(self.field_name, empty)
 
     def to_internal_value(self, data):
@@ -1621,12 +1644,12 @@ class ListField(Field):
         List of dicts of native values <- List of dicts of primitive datatypes.
         """
         if html.is_html_input(data):
-            data = html.parse_html_list(data)
-        if isinstance(data, type('')) or isinstance(data, collections.Mapping) or not hasattr(data, '__iter__'):
+            data = html.parse_html_list(data, default=[])
+        if isinstance(data, (str, Mapping)) or not hasattr(data, '__iter__'):
             self.fail('not_a_list', input_type=type(data).__name__)
         if not self.allow_empty and len(data) == 0:
             self.fail('empty')
-        return [self.child.run_validation(item) for item in data]
+        return self.run_child_validation(data)
 
     def to_representation(self, data):
         """
@@ -1634,16 +1657,32 @@ class ListField(Field):
         """
         return [self.child.to_representation(item) if item is not None else None for item in data]
 
+    def run_child_validation(self, data):
+        result = []
+        errors = OrderedDict()
+
+        for idx, item in enumerate(data):
+            try:
+                result.append(self.child.run_validation(item))
+            except ValidationError as e:
+                errors[idx] = e.detail
+
+        if not errors:
+            return result
+        raise ValidationError(errors)
+
 
 class DictField(Field):
     child = _UnvalidatedField()
     initial = {}
     default_error_messages = {
-        'not_a_dict': _('Expected a dictionary of items but got type "{input_type}".')
+        'not_a_dict': _('Expected a dictionary of items but got type "{input_type}".'),
+        'empty': _('This dictionary may not be empty.'),
     }
 
     def __init__(self, *args, **kwargs):
         self.child = kwargs.pop('child', copy.deepcopy(self.child))
+        self.allow_empty = kwargs.pop('allow_empty', True)
 
         assert not inspect.isclass(self.child), '`child` has not been instantiated.'
         assert self.child.source is None, (
@@ -1651,7 +1690,7 @@ class DictField(Field):
             "Remove `source=` from the field declaration."
         )
 
-        super(DictField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.child.bind(field_name='', parent=self)
 
     def get_value(self, dictionary):
@@ -1669,20 +1708,44 @@ class DictField(Field):
             data = html.parse_html_dict(data)
         if not isinstance(data, dict):
             self.fail('not_a_dict', input_type=type(data).__name__)
-        return {
-            six.text_type(key): self.child.run_validation(value)
-            for key, value in data.items()
-        }
+        if not self.allow_empty and len(data) == 0:
+            self.fail('empty')
+
+        return self.run_child_validation(data)
 
     def to_representation(self, value):
-        """
-        List of object instances -> List of dicts of primitive datatypes.
-        """
         return {
-            six.text_type(key): self.child.to_representation(val) if val is not None else None
+            str(key): self.child.to_representation(val) if val is not None else None
             for key, val in value.items()
         }
 
+    def run_child_validation(self, data):
+        result = {}
+        errors = OrderedDict()
+
+        for key, value in data.items():
+            key = str(key)
+
+            try:
+                result[key] = self.child.run_validation(value)
+            except ValidationError as e:
+                errors[key] = e.detail
+
+        if not errors:
+            return result
+        raise ValidationError(errors)
+
+
+class HStoreField(DictField):
+    child = CharField(allow_blank=True, allow_null=True)
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        assert isinstance(self.child, CharField), (
+            "The `child` argument must be an instance of `CharField`, "
+            "as the hstore extension stores values as strings."
+        )
+
 
 class JSONField(Field):
     default_error_messages = {
@@ -1691,15 +1754,16 @@ class JSONField(Field):
 
     def __init__(self, *args, **kwargs):
         self.binary = kwargs.pop('binary', False)
-        super(JSONField, self).__init__(*args, **kwargs)
+        self.encoder = kwargs.pop('encoder', None)
+        super().__init__(*args, **kwargs)
 
     def get_value(self, dictionary):
         if html.is_html_input(dictionary) and self.field_name in dictionary:
             # When HTML form input is used, mark up the input
             # as being a JSON string, rather than a JSON primitive.
-            class JSONString(six.text_type):
-                def __new__(self, value):
-                    ret = six.text_type.__new__(self, value)
+            class JSONString(str):
+                def __new__(cls, value):
+                    ret = str.__new__(cls, value)
                     ret.is_json_string = True
                     return ret
             return JSONString(dictionary[self.field_name])
@@ -1708,22 +1772,19 @@ class JSONField(Field):
     def to_internal_value(self, data):
         try:
             if self.binary or getattr(data, 'is_json_string', False):
-                if isinstance(data, six.binary_type):
-                    data = data.decode('utf-8')
+                if isinstance(data, bytes):
+                    data = data.decode()
                 return json.loads(data)
             else:
-                json.dumps(data)
+                json.dumps(data, cls=self.encoder)
         except (TypeError, ValueError):
             self.fail('invalid')
         return data
 
     def to_representation(self, value):
         if self.binary:
-            value = json.dumps(value)
-            # On python 2.x the return type for json.dumps() is underspecified.
-            # On python 3.x json.dumps() returns unicode strings.
-            if isinstance(value, six.text_type):
-                value = bytes(value.encode('utf-8'))
+            value = json.dumps(value, cls=self.encoder)
+            value = value.encode()
         return value
 
 
@@ -1744,7 +1805,7 @@ class ReadOnlyField(Field):
 
     def __init__(self, **kwargs):
         kwargs['read_only'] = True
-        super(ReadOnlyField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def to_representation(self, value):
         return value
@@ -1761,7 +1822,7 @@ class HiddenField(Field):
     def __init__(self, **kwargs):
         assert 'default' in kwargs, 'default is a required argument.'
         kwargs['write_only'] = True
-        super(HiddenField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def get_value(self, dictionary):
         # We always use the default value for `HiddenField`.
@@ -1791,25 +1852,19 @@ class SerializerMethodField(Field):
         self.method_name = method_name
         kwargs['source'] = '*'
         kwargs['read_only'] = True
-        super(SerializerMethodField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def bind(self, field_name, parent):
         # In order to enforce a consistent style, we error if a redundant
         # 'method_name' argument has been used. For example:
         # my_field = serializer.SerializerMethodField(method_name='get_my_field')
         default_method_name = 'get_{field_name}'.format(field_name=field_name)
-        assert self.method_name != default_method_name, (
-            "It is redundant to specify `%s` on SerializerMethodField '%s' in "
-            "serializer '%s', because it is the same as the default method name. "
-            "Remove the `method_name` argument." %
-            (self.method_name, field_name, parent.__class__.__name__)
-        )
 
         # The method name should default to `get_{field_name}`.
         if self.method_name is None:
             self.method_name = default_method_name
 
-        super(SerializerMethodField, self).bind(field_name, parent)
+        super().bind(field_name, parent)
 
     def to_representation(self, value):
         method = getattr(self.parent, self.method_name)
@@ -1831,12 +1886,10 @@ class ModelField(Field):
         self.model_field = model_field
         # The `max_length` option is supported by Django's base `Field` class,
         # so we'd better support it here.
-        max_length = kwargs.pop('max_length', None)
-        super(ModelField, self).__init__(**kwargs)
-        if max_length is not None:
-            message = lazy(
-                self.error_messages['max_length'].format,
-                six.text_type)(max_length=self.max_length)
+        self.max_length = kwargs.pop('max_length', None)
+        super().__init__(**kwargs)
+        if self.max_length is not None:
+            message = lazy_format(self.error_messages['max_length'], max_length=self.max_length)
             self.validators.append(
                 MaxLengthValidator(self.max_length, message=message))
 
diff --git a/rest_framework/filters.py b/rest_framework/filters.py
index d30135d2e..c15723ec3 100644
--- a/rest_framework/filters.py
+++ b/rest_framework/filters.py
@@ -2,8 +2,6 @@
 Provides generic filtering backends that can be used to filter the results
 returned by list views.
 """
-from __future__ import unicode_literals
-
 import operator
 from functools import reduce
 
@@ -12,15 +10,14 @@ from django.db import models
 from django.db.models.constants import LOOKUP_SEP
 from django.db.models.sql.constants import ORDER_PATTERN
 from django.template import loader
-from django.utils import six
-from django.utils.encoding import force_text
-from django.utils.translation import ugettext_lazy as _
+from django.utils.encoding import force_str
+from django.utils.translation import gettext_lazy as _
 
-from rest_framework.compat import coreapi, coreschema, distinct, guardian
+from rest_framework.compat import coreapi, coreschema, distinct
 from rest_framework.settings import api_settings
 
 
-class BaseFilterBackend(object):
+class BaseFilterBackend:
     """
     A base class from which all filter backend classes should inherit.
     """
@@ -36,6 +33,9 @@ class BaseFilterBackend(object):
         assert coreschema is not None, 'coreschema must be installed to use `get_schema_fields()`'
         return []
 
+    def get_schema_operation_parameters(self, view):
+        return []
+
 
 class SearchFilter(BaseFilterBackend):
     # The URL query parameter used for the search.
@@ -50,13 +50,23 @@ class SearchFilter(BaseFilterBackend):
     search_title = _('Search')
     search_description = _('A search term.')
 
+    def get_search_fields(self, view, request):
+        """
+        Search fields are obtained from the view, but the request is always
+        passed to this method. Sub-classes can override this method to
+        dynamically change the search fields based on request content.
+        """
+        return getattr(view, 'search_fields', None)
+
     def get_search_terms(self, request):
         """
         Search terms are set by a ?search=... query parameter,
         and may be comma and/or whitespace delimited.
         """
         params = request.query_params.get(self.search_param, '')
-        return params.replace(',', ' ').split()
+        params = params.replace('\x00', '')  # strip null characters
+        params = params.replace(',', ' ')
+        return params.split()
 
     def construct_search(self, field_name):
         lookup = self.lookup_prefixes.get(field_name[0])
@@ -74,6 +84,9 @@ class SearchFilter(BaseFilterBackend):
             opts = queryset.model._meta
             if search_field[0] in self.lookup_prefixes:
                 search_field = search_field[1:]
+            # Annotated fields do not need to be distinct
+            if isinstance(queryset, models.QuerySet) and search_field in queryset.query.annotations:
+                return False
             parts = search_field.split(LOOKUP_SEP)
             for part in parts:
                 field = opts.get_field(part)
@@ -87,14 +100,14 @@ class SearchFilter(BaseFilterBackend):
         return False
 
     def filter_queryset(self, request, queryset, view):
-        search_fields = getattr(view, 'search_fields', None)
+        search_fields = self.get_search_fields(view, request)
         search_terms = self.get_search_terms(request)
 
         if not search_fields or not search_terms:
             return queryset
 
         orm_lookups = [
-            self.construct_search(six.text_type(search_field))
+            self.construct_search(str(search_field))
             for search_field in search_fields
         ]
 
@@ -138,12 +151,25 @@ class SearchFilter(BaseFilterBackend):
                 required=False,
                 location='query',
                 schema=coreschema.String(
-                    title=force_text(self.search_title),
-                    description=force_text(self.search_description)
+                    title=force_str(self.search_title),
+                    description=force_str(self.search_description)
                 )
             )
         ]
 
+    def get_schema_operation_parameters(self, view):
+        return [
+            {
+                'name': self.search_param,
+                'required': False,
+                'in': 'query',
+                'description': force_str(self.search_description),
+                'schema': {
+                    'type': 'string',
+                },
+            },
+        ]
+
 
 class OrderingFilter(BaseFilterBackend):
     # The URL query parameter used for the ordering.
@@ -173,7 +199,7 @@ class OrderingFilter(BaseFilterBackend):
 
     def get_default_ordering(self, view):
         ordering = getattr(view, 'ordering', None)
-        if isinstance(ordering, six.string_types):
+        if isinstance(ordering, str):
             return (ordering,)
         return ordering
 
@@ -218,11 +244,11 @@ class OrderingFilter(BaseFilterBackend):
             ]
             valid_fields += [
                 (key, key.title().split('__'))
-                for key in queryset.query.annotations.keys()
+                for key in queryset.query.annotations
             ]
         else:
             valid_fields = [
-                (item, item) if isinstance(item, six.string_types) else item
+                (item, item) if isinstance(item, str) else item
                 for item in valid_fields
             ]
 
@@ -242,7 +268,7 @@ class OrderingFilter(BaseFilterBackend):
 
     def get_template_context(self, request, queryset, view):
         current = self.get_ordering(request, queryset, view)
-        current = None if current is None else current[0]
+        current = None if not current else current[0]
         options = []
         context = {
             'request': request,
@@ -269,40 +295,21 @@ class OrderingFilter(BaseFilterBackend):
                 required=False,
                 location='query',
                 schema=coreschema.String(
-                    title=force_text(self.ordering_title),
-                    description=force_text(self.ordering_description)
+                    title=force_str(self.ordering_title),
+                    description=force_str(self.ordering_description)
                 )
             )
         ]
 
-
-class DjangoObjectPermissionsFilter(BaseFilterBackend):
-    """
-    A filter backend that limits results to those where the requesting user
-    has read object level permissions.
-    """
-    def __init__(self):
-        assert guardian, 'Using DjangoObjectPermissionsFilter, but django-guardian is not installed'
-
-    perm_format = '%(app_label)s.view_%(model_name)s'
-
-    def filter_queryset(self, request, queryset, view):
-        # We want to defer this import until run-time, rather than import-time.
-        # See https://github.com/encode/django-rest-framework/issues/4608
-        # (Also see #1624 for why we need to make this import explicitly)
-        from guardian.shortcuts import get_objects_for_user
-
-        extra = {}
-        user = request.user
-        model_cls = queryset.model
-        kwargs = {
-            'app_label': model_cls._meta.app_label,
-            'model_name': model_cls._meta.model_name
-        }
-        permission = self.perm_format % kwargs
-        if tuple(guardian.VERSION) >= (1, 3):
-            # Maintain behavior compatibility with versions prior to 1.3
-            extra = {'accept_global_perms': False}
-        else:
-            extra = {}
-        return get_objects_for_user(user, permission, queryset, **extra)
+    def get_schema_operation_parameters(self, view):
+        return [
+            {
+                'name': self.ordering_param,
+                'required': False,
+                'in': 'query',
+                'description': force_str(self.ordering_description),
+                'schema': {
+                    'type': 'string',
+                },
+            },
+        ]
diff --git a/rest_framework/generics.py b/rest_framework/generics.py
index 8d0bf284a..c39b02ab7 100644
--- a/rest_framework/generics.py
+++ b/rest_framework/generics.py
@@ -1,8 +1,6 @@
 """
 Generic views that provide commonly needed behaviour.
 """
-from __future__ import unicode_literals
-
 from django.core.exceptions import ValidationError
 from django.db.models.query import QuerySet
 from django.http import Http404
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index 8b884fbed..8fadddcea 100644
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index a9510eb89..1d4fd34c3 100644
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diff --git a/rest_framework/locale/ja/LC_MESSAGES/django.mo b/rest_framework/locale/ja/LC_MESSAGES/django.mo
index 9ce42cfb3..5b9dbd8da 100644
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diff --git a/rest_framework/locale/ko_KR/LC_MESSAGES/django.mo b/rest_framework/locale/ko_KR/LC_MESSAGES/django.mo
index 9fb8ae279..570ff6f53 100644
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diff --git a/rest_framework/locale/lv/LC_MESSAGES/django.mo b/rest_framework/locale/lv/LC_MESSAGES/django.mo
index 2dc5956f3..b4accc34e 100644
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diff --git a/rest_framework/locale/mk/LC_MESSAGES/django.mo b/rest_framework/locale/mk/LC_MESSAGES/django.mo
index ae9956f25..752263456 100644
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diff --git a/rest_framework/locale/nb/LC_MESSAGES/django.mo b/rest_framework/locale/nb/LC_MESSAGES/django.mo
index 18cc4bc8d..fc57ebb9f 100644
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diff --git a/rest_framework/locale/nb/LC_MESSAGES/django.po b/rest_framework/locale/nb/LC_MESSAGES/django.po
index 27bbdbe18..f572f90be 100644
--- a/rest_framework/locale/nb/LC_MESSAGES/django.po
+++ b/rest_framework/locale/nb/LC_MESSAGES/django.po
@@ -3,6 +3,7 @@
 # This file is distributed under the same license as the PACKAGE package.
 # 
 # Translators:
+# Håken Lid <haakenlid@gmail.com>, 2017
 # Petter Kjelkenes <kjelkenes@gmail.com>, 2015
 # Thomas Bruun <thomas.bruun@gmail.com>, 2017
 msgid ""
@@ -10,8 +11,8 @@ msgstr ""
 "Project-Id-Version: Django REST framework\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2016-07-12 16:13+0100\n"
-"PO-Revision-Date: 2017-11-01 09:58+0000\n"
-"Last-Translator: Thomas Bruun <thomas.bruun@gmail.com>\n"
+"PO-Revision-Date: 2017-11-28 15:25+0000\n"
+"Last-Translator: Håken Lid <haakenlid@gmail.com>\n"
 "Language-Team: Norwegian Bokmål (http://www.transifex.com/django-rest-framework-1/django-rest-framework/language/nb/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -25,7 +26,7 @@ msgstr "Ugyldig basic header. Ingen legitimasjon gitt."
 
 #: authentication.py:76
 msgid "Invalid basic header. Credentials string should not contain spaces."
-msgstr "Ugylid basic header. Legitimasjonsstreng bør ikke inneholde mellomrom."
+msgstr "Ugyldig basic header. Legitimasjonsstreng bør ikke inneholde mellomrom."
 
 #: authentication.py:82
 msgid "Invalid basic header. Credentials not correctly base64 encoded."
@@ -58,35 +59,35 @@ msgstr "Ugyldig token."
 
 #: authtoken/apps.py:7
 msgid "Auth Token"
-msgstr ""
+msgstr "Auth Token"
 
 #: authtoken/models.py:15
 msgid "Key"
-msgstr ""
+msgstr "Nøkkel"
 
 #: authtoken/models.py:18
 msgid "User"
-msgstr ""
+msgstr "Bruker"
 
 #: authtoken/models.py:20
 msgid "Created"
-msgstr ""
+msgstr "Opprettet"
 
 #: authtoken/models.py:29
 msgid "Token"
-msgstr ""
+msgstr "Token"
 
 #: authtoken/models.py:30
 msgid "Tokens"
-msgstr ""
+msgstr "Tokener"
 
 #: authtoken/serializers.py:8
 msgid "Username"
-msgstr ""
+msgstr "Brukernavn"
 
 #: authtoken/serializers.py:9
 msgid "Password"
-msgstr ""
+msgstr "Passord"
 
 #: authtoken/serializers.py:20
 msgid "User account is disabled."
@@ -98,7 +99,7 @@ msgstr "Kan ikke logge inn med gitt legitimasjon."
 
 #: authtoken/serializers.py:26
 msgid "Must include \"username\" and \"password\"."
-msgstr "Må inkludere \"username\" og \"password\"."
+msgstr "Må inneholde \"username\" og \"password\"."
 
 #: exceptions.py:49
 msgid "A server error occurred."
@@ -316,15 +317,15 @@ msgstr "Send inn"
 
 #: filters.py:336
 msgid "ascending"
-msgstr ""
+msgstr "stigende"
 
 #: filters.py:337
 msgid "descending"
-msgstr ""
+msgstr "synkende"
 
 #: pagination.py:193
 msgid "Invalid page."
-msgstr ""
+msgstr "Ugyldig side"
 
 #: pagination.py:427
 msgid "Invalid cursor"
@@ -426,7 +427,7 @@ msgstr "Ugyldig versjon i URL-banen."
 
 #: versioning.py:115
 msgid "Invalid version in URL path. Does not match any version namespace."
-msgstr ""
+msgstr "Ugyldig versjon i URL. Passer ikke med noen eksisterende versjon."
 
 #: versioning.py:147
 msgid "Invalid version in hostname."
diff --git a/rest_framework/locale/nl/LC_MESSAGES/django.mo b/rest_framework/locale/nl/LC_MESSAGES/django.mo
index 782bf1634..ed74bffa0 100644
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diff --git a/rest_framework/locale/nn/LC_MESSAGES/django.mo b/rest_framework/locale/nn/LC_MESSAGES/django.mo
index a2c1e01f8..6c28661ea 100644
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diff --git a/rest_framework/locale/no/LC_MESSAGES/django.mo b/rest_framework/locale/no/LC_MESSAGES/django.mo
index 2c058c8c7..808e0a2d5 100644
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diff --git a/rest_framework/locale/pl/LC_MESSAGES/django.mo b/rest_framework/locale/pl/LC_MESSAGES/django.mo
index 99840f55c..436580b35 100644
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diff --git a/rest_framework/locale/pt/LC_MESSAGES/django.mo b/rest_framework/locale/pt/LC_MESSAGES/django.mo
index 9e3c7ab2f..c88991bfa 100644
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diff --git a/rest_framework/locale/pt_BR/LC_MESSAGES/django.mo b/rest_framework/locale/pt_BR/LC_MESSAGES/django.mo
index 482c07cdb..008629823 100644
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diff --git a/rest_framework/locale/pt_BR/LC_MESSAGES/django.po b/rest_framework/locale/pt_BR/LC_MESSAGES/django.po
index 3a57b6770..9489f20a0 100644
--- a/rest_framework/locale/pt_BR/LC_MESSAGES/django.po
+++ b/rest_framework/locale/pt_BR/LC_MESSAGES/django.po
@@ -7,13 +7,14 @@
 # Ederson  Mota Pereira <edermp@gmail.com>, 2015
 # Filipe Rinaldi <filipe.rinaldi@gmail.com>, 2015
 # Hugo Leonardo Chalhoub Mendonça <hugoleonardocm@live.com>, 2015
+# Jonatas Baldin <jonatas.baldin@gmail.com>, 2017
 msgid ""
 msgstr ""
 "Project-Id-Version: Django REST framework\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2016-07-12 16:13+0100\n"
-"PO-Revision-Date: 2017-08-03 14:58+0000\n"
-"Last-Translator: Thomas Christie <tom@tomchristie.com>\n"
+"PO-Revision-Date: 2017-12-06 09:53+0000\n"
+"Last-Translator: Jonatas Baldin <jonatas.baldin@gmail.com>\n"
 "Language-Team: Portuguese (Brazil) (http://www.transifex.com/django-rest-framework-1/django-rest-framework/language/pt_BR/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -60,35 +61,35 @@ msgstr "Token inválido."
 
 #: authtoken/apps.py:7
 msgid "Auth Token"
-msgstr ""
+msgstr "Token de autenticação"
 
 #: authtoken/models.py:15
 msgid "Key"
-msgstr ""
+msgstr "Chave"
 
 #: authtoken/models.py:18
 msgid "User"
-msgstr ""
+msgstr "Usuário"
 
 #: authtoken/models.py:20
 msgid "Created"
-msgstr ""
+msgstr "Criado"
 
 #: authtoken/models.py:29
 msgid "Token"
-msgstr ""
+msgstr "Token"
 
 #: authtoken/models.py:30
 msgid "Tokens"
-msgstr ""
+msgstr "Tokens"
 
 #: authtoken/serializers.py:8
 msgid "Username"
-msgstr ""
+msgstr "Nome do usuário"
 
 #: authtoken/serializers.py:9
 msgid "Password"
-msgstr ""
+msgstr "Senha"
 
 #: authtoken/serializers.py:20
 msgid "User account is disabled."
@@ -318,15 +319,15 @@ msgstr "Enviar"
 
 #: filters.py:336
 msgid "ascending"
-msgstr ""
+msgstr "ascendente"
 
 #: filters.py:337
 msgid "descending"
-msgstr ""
+msgstr "descendente"
 
 #: pagination.py:193
 msgid "Invalid page."
-msgstr ""
+msgstr "Página inválida."
 
 #: pagination.py:427
 msgid "Invalid cursor"
@@ -428,7 +429,7 @@ msgstr "Versão inválida no caminho de URL."
 
 #: versioning.py:115
 msgid "Invalid version in URL path. Does not match any version namespace."
-msgstr ""
+msgstr "Versão inválida no caminho da URL. Não corresponde a nenhuma versão do namespace."
 
 #: versioning.py:147
 msgid "Invalid version in hostname."
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diff --git a/rest_framework/locale/vi/LC_MESSAGES/django.mo b/rest_framework/locale/vi/LC_MESSAGES/django.mo
index 578308acf..c76cfe595 100644
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diff --git a/rest_framework/locale/zh_CN/LC_MESSAGES/django.mo b/rest_framework/locale/zh_CN/LC_MESSAGES/django.mo
index 00afcdb9a..f30b04ea1 100644
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diff --git a/rest_framework/locale/zh_Hans/LC_MESSAGES/django.mo b/rest_framework/locale/zh_Hans/LC_MESSAGES/django.mo
index a784846b2..d85317ebc 100644
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diff --git a/rest_framework/locale/zh_Hant/LC_MESSAGES/django.mo b/rest_framework/locale/zh_Hant/LC_MESSAGES/django.mo
index 08954cc4b..0d8ccaa55 100644
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diff --git a/rest_framework/locale/zh_TW/LC_MESSAGES/django.mo b/rest_framework/locale/zh_TW/LC_MESSAGES/django.mo
index b3158f9eb..2f85c2f82 100644
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diff --git a/rest_framework/management/__init__.py b/rest_framework/management/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/rest_framework/management/commands/__init__.py b/rest_framework/management/commands/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/rest_framework/management/commands/generateschema.py b/rest_framework/management/commands/generateschema.py
new file mode 100644
index 000000000..a7763492c
--- /dev/null
+++ b/rest_framework/management/commands/generateschema.py
@@ -0,0 +1,63 @@
+from django.core.management.base import BaseCommand
+from django.utils.module_loading import import_string
+
+from rest_framework import renderers
+from rest_framework.schemas import coreapi
+from rest_framework.schemas.openapi import SchemaGenerator
+
+OPENAPI_MODE = 'openapi'
+COREAPI_MODE = 'coreapi'
+
+
+class Command(BaseCommand):
+    help = "Generates configured API schema for project."
+
+    def get_mode(self):
+        return COREAPI_MODE if coreapi.is_enabled() else OPENAPI_MODE
+
+    def add_arguments(self, parser):
+        parser.add_argument('--title', dest="title", default='', type=str)
+        parser.add_argument('--url', dest="url", default=None, type=str)
+        parser.add_argument('--description', dest="description", default=None, type=str)
+        if self.get_mode() == COREAPI_MODE:
+            parser.add_argument('--format', dest="format", choices=['openapi', 'openapi-json', 'corejson'], default='openapi', type=str)
+        else:
+            parser.add_argument('--format', dest="format", choices=['openapi', 'openapi-json'], default='openapi', type=str)
+        parser.add_argument('--urlconf', dest="urlconf", default=None, type=str)
+        parser.add_argument('--generator_class', dest="generator_class", default=None, type=str)
+
+    def handle(self, *args, **options):
+        if options['generator_class']:
+            generator_class = import_string(options['generator_class'])
+        else:
+            generator_class = self.get_generator_class()
+        generator = generator_class(
+            url=options['url'],
+            title=options['title'],
+            description=options['description'],
+            urlconf=options['urlconf'],
+        )
+        schema = generator.get_schema(request=None, public=True)
+        renderer = self.get_renderer(options['format'])
+        output = renderer.render(schema, renderer_context={})
+        self.stdout.write(output.decode())
+
+    def get_renderer(self, format):
+        if self.get_mode() == COREAPI_MODE:
+            renderer_cls = {
+                'corejson': renderers.CoreJSONRenderer,
+                'openapi': renderers.CoreAPIOpenAPIRenderer,
+                'openapi-json': renderers.CoreAPIJSONOpenAPIRenderer,
+            }[format]
+            return renderer_cls()
+
+        renderer_cls = {
+            'openapi': renderers.OpenAPIRenderer,
+            'openapi-json': renderers.JSONOpenAPIRenderer,
+        }[format]
+        return renderer_cls()
+
+    def get_generator_class(self):
+        if self.get_mode() == COREAPI_MODE:
+            return coreapi.SchemaGenerator
+        return SchemaGenerator
diff --git a/rest_framework/metadata.py b/rest_framework/metadata.py
index 410acd0e2..8a44f2aad 100644
--- a/rest_framework/metadata.py
+++ b/rest_framework/metadata.py
@@ -6,20 +6,18 @@ some fairly ad-hoc information about the view.
 Future implementations might use JSON schema or other definitions in order
 to return this information in a more standardized way.
 """
-from __future__ import unicode_literals
-
 from collections import OrderedDict
 
 from django.core.exceptions import PermissionDenied
 from django.http import Http404
-from django.utils.encoding import force_text
+from django.utils.encoding import force_str
 
 from rest_framework import exceptions, serializers
 from rest_framework.request import clone_request
 from rest_framework.utils.field_mapping import ClassLookupDict
 
 
-class BaseMetadata(object):
+class BaseMetadata:
     def determine_metadata(self, request, view):
         """
         Return a dictionary of metadata about the view.
@@ -40,6 +38,7 @@ class SimpleMetadata(BaseMetadata):
         serializers.BooleanField: 'boolean',
         serializers.NullBooleanField: 'boolean',
         serializers.CharField: 'string',
+        serializers.UUIDField: 'string',
         serializers.URLField: 'url',
         serializers.EmailField: 'email',
         serializers.RegexField: 'regex',
@@ -110,6 +109,7 @@ class SimpleMetadata(BaseMetadata):
         return OrderedDict([
             (field_name, self.get_field_info(field))
             for field_name, field in serializer.fields.items()
+            if not isinstance(field, serializers.HiddenField)
         ])
 
     def get_field_info(self, field):
@@ -130,7 +130,7 @@ class SimpleMetadata(BaseMetadata):
         for attr in attrs:
             value = getattr(field, attr, None)
             if value is not None and value != '':
-                field_info[attr] = force_text(value, strings_only=True)
+                field_info[attr] = force_str(value, strings_only=True)
 
         if getattr(field, 'child', None):
             field_info['child'] = self.get_field_info(field.child)
@@ -143,7 +143,7 @@ class SimpleMetadata(BaseMetadata):
             field_info['choices'] = [
                 {
                     'value': choice_value,
-                    'display_name': force_text(choice_name, strings_only=True)
+                    'display_name': force_str(choice_name, strings_only=True)
                 }
                 for choice_value, choice_name in field.choices.items()
             ]
diff --git a/rest_framework/mixins.py b/rest_framework/mixins.py
index de10d6930..7fa8947cb 100644
--- a/rest_framework/mixins.py
+++ b/rest_framework/mixins.py
@@ -4,14 +4,12 @@ Basic building blocks for generic class based views.
 We don't bind behaviour to http method handlers yet,
 which allows mixin classes to be composed in interesting ways.
 """
-from __future__ import unicode_literals
-
 from rest_framework import status
 from rest_framework.response import Response
 from rest_framework.settings import api_settings
 
 
-class CreateModelMixin(object):
+class CreateModelMixin:
     """
     Create a model instance.
     """
@@ -32,7 +30,7 @@ class CreateModelMixin(object):
             return {}
 
 
-class ListModelMixin(object):
+class ListModelMixin:
     """
     List a queryset.
     """
@@ -48,7 +46,7 @@ class ListModelMixin(object):
         return Response(serializer.data)
 
 
-class RetrieveModelMixin(object):
+class RetrieveModelMixin:
     """
     Retrieve a model instance.
     """
@@ -58,7 +56,7 @@ class RetrieveModelMixin(object):
         return Response(serializer.data)
 
 
-class UpdateModelMixin(object):
+class UpdateModelMixin:
     """
     Update a model instance.
     """
@@ -84,7 +82,7 @@ class UpdateModelMixin(object):
         return self.update(request, *args, **kwargs)
 
 
-class DestroyModelMixin(object):
+class DestroyModelMixin:
     """
     Destroy a model instance.
     """
diff --git a/rest_framework/models.py b/rest_framework/models.py
deleted file mode 100644
index 5b53a5264..000000000
--- a/rest_framework/models.py
+++ /dev/null
@@ -1 +0,0 @@
-# Just to keep things like ./manage.py test happy
diff --git a/rest_framework/negotiation.py b/rest_framework/negotiation.py
index ca1b59f12..76113a827 100644
--- a/rest_framework/negotiation.py
+++ b/rest_framework/negotiation.py
@@ -2,8 +2,6 @@
 Content negotiation deals with selecting an appropriate renderer given the
 incoming request.  Typically this will be based on the request's Accept header.
 """
-from __future__ import unicode_literals
-
 from django.http import Http404
 
 from rest_framework import HTTP_HEADER_ENCODING, exceptions
@@ -13,7 +11,7 @@ from rest_framework.utils.mediatypes import (
 )
 
 
-class BaseContentNegotiation(object):
+class BaseContentNegotiation:
     def select_parser(self, request, parsers):
         raise NotImplementedError('.select_parser() must be implemented')
 
@@ -66,7 +64,7 @@ class DefaultContentNegotiation(BaseContentNegotiation):
                             # Accepted media type is 'application/json'
                             full_media_type = ';'.join(
                                 (renderer.media_type,) +
-                                tuple('{0}={1}'.format(
+                                tuple('{}={}'.format(
                                     key, value.decode(HTTP_HEADER_ENCODING))
                                     for key, value in media_type_wrapper.params.items()))
                             return renderer, full_media_type
diff --git a/rest_framework/pagination.py b/rest_framework/pagination.py
index 861e8cf2a..1a1ba2f65 100644
--- a/rest_framework/pagination.py
+++ b/rest_framework/pagination.py
@@ -1,20 +1,16 @@
-# coding: utf-8
 """
 Pagination serializers determine the structure of the output that should
 be used for paginated responses.
 """
-from __future__ import unicode_literals
-
 from base64 import b64decode, b64encode
 from collections import OrderedDict, namedtuple
+from urllib import parse
 
-from django.core.paginator import Paginator as DjangoPaginator
 from django.core.paginator import InvalidPage
+from django.core.paginator import Paginator as DjangoPaginator
 from django.template import loader
-from django.utils import six
-from django.utils.encoding import force_text
-from django.utils.six.moves.urllib import parse as urlparse
-from django.utils.translation import ugettext_lazy as _
+from django.utils.encoding import force_str
+from django.utils.translation import gettext_lazy as _
 
 from rest_framework.compat import coreapi, coreschema
 from rest_framework.exceptions import NotFound
@@ -45,16 +41,6 @@ def _divide_with_ceil(a, b):
     return a // b
 
 
-def _get_count(queryset):
-    """
-    Determine an object count, supporting either querysets or regular lists.
-    """
-    try:
-        return queryset.count()
-    except (AttributeError, TypeError):
-        return len(queryset)
-
-
 def _get_displayed_page_numbers(current, final):
     """
     This utility function determines a list of page numbers to display.
@@ -143,7 +129,7 @@ PageLink = namedtuple('PageLink', ['url', 'number', 'is_active', 'is_break'])
 PAGE_BREAK = PageLink(url=None, number=None, is_active=False, is_break=True)
 
 
-class BasePagination(object):
+class BasePagination:
     display_page_controls = False
 
     def paginate_queryset(self, queryset, request, view=None):  # pragma: no cover
@@ -152,6 +138,9 @@ class BasePagination(object):
     def get_paginated_response(self, data):  # pragma: no cover
         raise NotImplementedError('get_paginated_response() must be implemented.')
 
+    def get_paginated_response_schema(self, schema):
+        return schema
+
     def to_html(self):  # pragma: no cover
         raise NotImplementedError('to_html() must be implemented to display page controls.')
 
@@ -162,6 +151,9 @@ class BasePagination(object):
         assert coreapi is not None, 'coreapi must be installed to use `get_schema_fields()`'
         return []
 
+    def get_schema_operation_parameters(self, view):
+        return []
+
 
 class PageNumberPagination(BasePagination):
     """
@@ -214,7 +206,7 @@ class PageNumberPagination(BasePagination):
             self.page = paginator.page(page_number)
         except InvalidPage as exc:
             msg = self.invalid_page_message.format(
-                page_number=page_number, message=six.text_type(exc)
+                page_number=page_number, message=str(exc)
             )
             raise NotFound(msg)
 
@@ -233,6 +225,26 @@ class PageNumberPagination(BasePagination):
             ('results', data)
         ]))
 
+    def get_paginated_response_schema(self, schema):
+        return {
+            'type': 'object',
+            'properties': {
+                'count': {
+                    'type': 'integer',
+                    'example': 123,
+                },
+                'next': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'previous': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'results': schema,
+            },
+        }
+
     def get_page_size(self, request):
         if self.page_size_query_param:
             try:
@@ -297,7 +309,7 @@ class PageNumberPagination(BasePagination):
                 location='query',
                 schema=coreschema.Integer(
                     title='Page',
-                    description=force_text(self.page_query_description)
+                    description=force_str(self.page_query_description)
                 )
             )
         ]
@@ -309,12 +321,38 @@ class PageNumberPagination(BasePagination):
                     location='query',
                     schema=coreschema.Integer(
                         title='Page size',
-                        description=force_text(self.page_size_query_description)
+                        description=force_str(self.page_size_query_description)
                     )
                 )
             )
         return fields
 
+    def get_schema_operation_parameters(self, view):
+        parameters = [
+            {
+                'name': self.page_query_param,
+                'required': False,
+                'in': 'query',
+                'description': force_str(self.page_query_description),
+                'schema': {
+                    'type': 'integer',
+                },
+            },
+        ]
+        if self.page_size_query_param is not None:
+            parameters.append(
+                {
+                    'name': self.page_size_query_param,
+                    'required': False,
+                    'in': 'query',
+                    'description': force_str(self.page_size_query_description),
+                    'schema': {
+                        'type': 'integer',
+                    },
+                },
+            )
+        return parameters
+
 
 class LimitOffsetPagination(BasePagination):
     """
@@ -332,7 +370,7 @@ class LimitOffsetPagination(BasePagination):
     template = 'rest_framework/pagination/numbers.html'
 
     def paginate_queryset(self, queryset, request, view=None):
-        self.count = _get_count(queryset)
+        self.count = self.get_count(queryset)
         self.limit = self.get_limit(request)
         if self.limit is None:
             return None
@@ -354,6 +392,26 @@ class LimitOffsetPagination(BasePagination):
             ('results', data)
         ]))
 
+    def get_paginated_response_schema(self, schema):
+        return {
+            'type': 'object',
+            'properties': {
+                'count': {
+                    'type': 'integer',
+                    'example': 123,
+                },
+                'next': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'previous': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'results': schema,
+            },
+        }
+
     def get_limit(self, request):
         if self.limit_query_param:
             try:
@@ -444,6 +502,15 @@ class LimitOffsetPagination(BasePagination):
         context = self.get_html_context()
         return template.render(context)
 
+    def get_count(self, queryset):
+        """
+        Determine an object count, supporting either querysets or regular lists.
+        """
+        try:
+            return queryset.count()
+        except (AttributeError, TypeError):
+            return len(queryset)
+
     def get_schema_fields(self, view):
         assert coreapi is not None, 'coreapi must be installed to use `get_schema_fields()`'
         assert coreschema is not None, 'coreschema must be installed to use `get_schema_fields()`'
@@ -454,7 +521,7 @@ class LimitOffsetPagination(BasePagination):
                 location='query',
                 schema=coreschema.Integer(
                     title='Limit',
-                    description=force_text(self.limit_query_description)
+                    description=force_str(self.limit_query_description)
                 )
             ),
             coreapi.Field(
@@ -463,17 +530,40 @@ class LimitOffsetPagination(BasePagination):
                 location='query',
                 schema=coreschema.Integer(
                     title='Offset',
-                    description=force_text(self.offset_query_description)
+                    description=force_str(self.offset_query_description)
                 )
             )
         ]
 
+    def get_schema_operation_parameters(self, view):
+        parameters = [
+            {
+                'name': self.limit_query_param,
+                'required': False,
+                'in': 'query',
+                'description': force_str(self.limit_query_description),
+                'schema': {
+                    'type': 'integer',
+                },
+            },
+            {
+                'name': self.offset_query_param,
+                'required': False,
+                'in': 'query',
+                'description': force_str(self.offset_query_description),
+                'schema': {
+                    'type': 'integer',
+                },
+            },
+        ]
+        return parameters
+
 
 class CursorPagination(BasePagination):
     """
     The cursor pagination implementation is necessarily complex.
     For an overview of the position/offset style we use, see this post:
-    http://cra.mr/2011/03/08/building-cursors-for-the-disqus-api
+    https://cra.mr/2011/03/08/building-cursors-for-the-disqus-api
     """
     cursor_query_param = 'cursor'
     cursor_query_description = _('The pagination cursor value.')
@@ -545,12 +635,11 @@ class CursorPagination(BasePagination):
             has_following_position = False
             following_position = None
 
-        # If we have a reverse queryset, then the query ordering was in reverse
-        # so we need to reverse the items again before returning them to the user.
         if reverse:
+            # If we have a reverse queryset, then the query ordering was in reverse
+            # so we need to reverse the items again before returning them to the user.
             self.page = list(reversed(self.page))
 
-        if reverse:
             # Determine next and previous positions for reverse cursors.
             self.has_next = (current_position is not None) or (offset > 0)
             self.has_previous = has_following_position
@@ -591,7 +680,7 @@ class CursorPagination(BasePagination):
         if not self.has_next:
             return None
 
-        if self.cursor and self.cursor.reverse and self.cursor.offset != 0:
+        if self.page and self.cursor and self.cursor.reverse and self.cursor.offset != 0:
             # If we're reversing direction and we have an offset cursor
             # then we cannot use the first position we find as a marker.
             compare = self._get_position_from_instance(self.page[-1], self.ordering)
@@ -599,12 +688,14 @@ class CursorPagination(BasePagination):
             compare = self.next_position
         offset = 0
 
+        has_item_with_unique_position = False
         for item in reversed(self.page):
             position = self._get_position_from_instance(item, self.ordering)
             if position != compare:
                 # The item in this position and the item following it
                 # have different positions. We can use this position as
                 # our marker.
+                has_item_with_unique_position = True
                 break
 
             # The item in this position has the same position as the item
@@ -613,7 +704,7 @@ class CursorPagination(BasePagination):
             compare = position
             offset += 1
 
-        else:
+        if self.page and not has_item_with_unique_position:
             # There were no unique positions in the page.
             if not self.has_previous:
                 # We are on the first page.
@@ -632,6 +723,9 @@ class CursorPagination(BasePagination):
                 offset = self.cursor.offset + self.page_size
                 position = self.previous_position
 
+        if not self.page:
+            position = self.next_position
+
         cursor = Cursor(offset=offset, reverse=False, position=position)
         return self.encode_cursor(cursor)
 
@@ -639,7 +733,7 @@ class CursorPagination(BasePagination):
         if not self.has_previous:
             return None
 
-        if self.cursor and not self.cursor.reverse and self.cursor.offset != 0:
+        if self.page and self.cursor and not self.cursor.reverse and self.cursor.offset != 0:
             # If we're reversing direction and we have an offset cursor
             # then we cannot use the first position we find as a marker.
             compare = self._get_position_from_instance(self.page[0], self.ordering)
@@ -647,12 +741,14 @@ class CursorPagination(BasePagination):
             compare = self.previous_position
         offset = 0
 
+        has_item_with_unique_position = False
         for item in self.page:
             position = self._get_position_from_instance(item, self.ordering)
             if position != compare:
                 # The item in this position and the item following it
                 # have different positions. We can use this position as
                 # our marker.
+                has_item_with_unique_position = True
                 break
 
             # The item in this position has the same position as the item
@@ -661,7 +757,7 @@ class CursorPagination(BasePagination):
             compare = position
             offset += 1
 
-        else:
+        if self.page and not has_item_with_unique_position:
             # There were no unique positions in the page.
             if not self.has_next:
                 # We are on the final page.
@@ -680,6 +776,9 @@ class CursorPagination(BasePagination):
                 offset = 0
                 position = self.next_position
 
+        if not self.page:
+            position = self.previous_position
+
         cursor = Cursor(offset=offset, reverse=True, position=position)
         return self.encode_cursor(cursor)
 
@@ -718,13 +817,13 @@ class CursorPagination(BasePagination):
                 'nearly-unique field on the model, such as "-created" or "pk".'
             )
 
-        assert isinstance(ordering, (six.string_types, list, tuple)), (
+        assert isinstance(ordering, (str, list, tuple)), (
             'Invalid ordering. Expected string or tuple, but got {type}'.format(
                 type=type(ordering).__name__
             )
         )
 
-        if isinstance(ordering, six.string_types):
+        if isinstance(ordering, str):
             return (ordering,)
         return tuple(ordering)
 
@@ -739,7 +838,7 @@ class CursorPagination(BasePagination):
 
         try:
             querystring = b64decode(encoded.encode('ascii')).decode('ascii')
-            tokens = urlparse.parse_qs(querystring, keep_blank_values=True)
+            tokens = parse.parse_qs(querystring, keep_blank_values=True)
 
             offset = tokens.get('o', ['0'])[0]
             offset = _positive_int(offset, cutoff=self.offset_cutoff)
@@ -765,7 +864,7 @@ class CursorPagination(BasePagination):
         if cursor.position is not None:
             tokens['p'] = cursor.position
 
-        querystring = urlparse.urlencode(tokens, doseq=True)
+        querystring = parse.urlencode(tokens, doseq=True)
         encoded = b64encode(querystring.encode('ascii')).decode('ascii')
         return replace_query_param(self.base_url, self.cursor_query_param, encoded)
 
@@ -775,7 +874,7 @@ class CursorPagination(BasePagination):
             attr = instance[field_name]
         else:
             attr = getattr(instance, field_name)
-        return six.text_type(attr)
+        return str(attr)
 
     def get_paginated_response(self, data):
         return Response(OrderedDict([
@@ -784,6 +883,22 @@ class CursorPagination(BasePagination):
             ('results', data)
         ]))
 
+    def get_paginated_response_schema(self, schema):
+        return {
+            'type': 'object',
+            'properties': {
+                'next': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'previous': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'results': schema,
+            },
+        }
+
     def get_html_context(self):
         return {
             'previous_url': self.get_previous_link(),
@@ -805,7 +920,7 @@ class CursorPagination(BasePagination):
                 location='query',
                 schema=coreschema.String(
                     title='Cursor',
-                    description=force_text(self.cursor_query_description)
+                    description=force_str(self.cursor_query_description)
                 )
             )
         ]
@@ -817,8 +932,34 @@ class CursorPagination(BasePagination):
                     location='query',
                     schema=coreschema.Integer(
                         title='Page size',
-                        description=force_text(self.page_size_query_description)
+                        description=force_str(self.page_size_query_description)
                     )
                 )
             )
         return fields
+
+    def get_schema_operation_parameters(self, view):
+        parameters = [
+            {
+                'name': self.cursor_query_param,
+                'required': False,
+                'in': 'query',
+                'description': force_str(self.cursor_query_description),
+                'schema': {
+                    'type': 'integer',
+                },
+            }
+        ]
+        if self.page_size_query_param is not None:
+            parameters.append(
+                {
+                    'name': self.page_size_query_param,
+                    'required': False,
+                    'in': 'query',
+                    'description': force_str(self.page_size_query_description),
+                    'schema': {
+                        'type': 'integer',
+                    },
+                }
+            )
+        return parameters
diff --git a/rest_framework/parsers.py b/rest_framework/parsers.py
index 7a256276a..fc4eb1428 100644
--- a/rest_framework/parsers.py
+++ b/rest_framework/parsers.py
@@ -4,21 +4,17 @@ Parsers are used to parse the content of incoming HTTP requests.
 They give us a generic way of being able to handle various media types
 on the request, such as form content or json encoded data.
 """
-from __future__ import unicode_literals
-
 import codecs
+from urllib import parse
 
 from django.conf import settings
 from django.core.files.uploadhandler import StopFutureHandlers
 from django.http import QueryDict
+from django.http.multipartparser import ChunkIter
 from django.http.multipartparser import \
     MultiPartParser as DjangoMultiPartParser
-from django.http.multipartparser import (
-    ChunkIter, MultiPartParserError, parse_header
-)
-from django.utils import six
-from django.utils.encoding import force_text
-from django.utils.six.moves.urllib import parse as urlparse
+from django.http.multipartparser import MultiPartParserError, parse_header
+from django.utils.encoding import force_str
 
 from rest_framework import renderers
 from rest_framework.exceptions import ParseError
@@ -26,13 +22,13 @@ from rest_framework.settings import api_settings
 from rest_framework.utils import json
 
 
-class DataAndFiles(object):
+class DataAndFiles:
     def __init__(self, data, files):
         self.data = data
         self.files = files
 
 
-class BaseParser(object):
+class BaseParser:
     """
     All parsers should extend `BaseParser`, specifying a `media_type`
     attribute, and overriding the `.parse()` method.
@@ -68,7 +64,7 @@ class JSONParser(BaseParser):
             parse_constant = json.strict_constant if self.strict else None
             return json.load(decoded_stream, parse_constant=parse_constant)
         except ValueError as exc:
-            raise ParseError('JSON parse error - %s' % six.text_type(exc))
+            raise ParseError('JSON parse error - %s' % str(exc))
 
 
 class FormParser(BaseParser):
@@ -84,8 +80,7 @@ class FormParser(BaseParser):
         """
         parser_context = parser_context or {}
         encoding = parser_context.get('encoding', settings.DEFAULT_CHARSET)
-        data = QueryDict(stream.read(), encoding=encoding)
-        return data
+        return QueryDict(stream.read(), encoding=encoding)
 
 
 class MultiPartParser(BaseParser):
@@ -114,7 +109,7 @@ class MultiPartParser(BaseParser):
             data, files = parser.parse()
             return DataAndFiles(data, files)
         except MultiPartParserError as exc:
-            raise ParseError('Multipart form parse error - %s' % six.text_type(exc))
+            raise ParseError('Multipart form parse error - %s' % str(exc))
 
 
 class FileUploadParser(BaseParser):
@@ -206,23 +201,23 @@ class FileUploadParser(BaseParser):
 
         try:
             meta = parser_context['request'].META
-            disposition = parse_header(meta['HTTP_CONTENT_DISPOSITION'].encode('utf-8'))
+            disposition = parse_header(meta['HTTP_CONTENT_DISPOSITION'].encode())
             filename_parm = disposition[1]
             if 'filename*' in filename_parm:
                 return self.get_encoded_filename(filename_parm)
-            return force_text(filename_parm['filename'])
+            return force_str(filename_parm['filename'])
         except (AttributeError, KeyError, ValueError):
             pass
 
     def get_encoded_filename(self, filename_parm):
         """
         Handle encoded filenames per RFC6266. See also:
-        http://tools.ietf.org/html/rfc2231#section-4
+        https://tools.ietf.org/html/rfc2231#section-4
         """
-        encoded_filename = force_text(filename_parm['filename*'])
+        encoded_filename = force_str(filename_parm['filename*'])
         try:
             charset, lang, filename = encoded_filename.split('\'', 2)
-            filename = urlparse.unquote(filename)
+            filename = parse.unquote(filename)
         except (ValueError, LookupError):
-            filename = force_text(filename_parm['filename'])
+            filename = force_str(filename_parm['filename'])
         return filename
diff --git a/rest_framework/permissions.py b/rest_framework/permissions.py
index a48058e66..3a8c58064 100644
--- a/rest_framework/permissions.py
+++ b/rest_framework/permissions.py
@@ -1,8 +1,6 @@
 """
 Provides a set of pluggable permission policies.
 """
-from __future__ import unicode_literals
-
 from django.http import Http404
 
 from rest_framework import exceptions
@@ -10,7 +8,97 @@ from rest_framework import exceptions
 SAFE_METHODS = ('GET', 'HEAD', 'OPTIONS')
 
 
-class BasePermission(object):
+class OperationHolderMixin:
+    def __and__(self, other):
+        return OperandHolder(AND, self, other)
+
+    def __or__(self, other):
+        return OperandHolder(OR, self, other)
+
+    def __rand__(self, other):
+        return OperandHolder(AND, other, self)
+
+    def __ror__(self, other):
+        return OperandHolder(OR, other, self)
+
+    def __invert__(self):
+        return SingleOperandHolder(NOT, self)
+
+
+class SingleOperandHolder(OperationHolderMixin):
+    def __init__(self, operator_class, op1_class):
+        self.operator_class = operator_class
+        self.op1_class = op1_class
+
+    def __call__(self, *args, **kwargs):
+        op1 = self.op1_class(*args, **kwargs)
+        return self.operator_class(op1)
+
+
+class OperandHolder(OperationHolderMixin):
+    def __init__(self, operator_class, op1_class, op2_class):
+        self.operator_class = operator_class
+        self.op1_class = op1_class
+        self.op2_class = op2_class
+
+    def __call__(self, *args, **kwargs):
+        op1 = self.op1_class(*args, **kwargs)
+        op2 = self.op2_class(*args, **kwargs)
+        return self.operator_class(op1, op2)
+
+
+class AND:
+    def __init__(self, op1, op2):
+        self.op1 = op1
+        self.op2 = op2
+
+    def has_permission(self, request, view):
+        return (
+            self.op1.has_permission(request, view) and
+            self.op2.has_permission(request, view)
+        )
+
+    def has_object_permission(self, request, view, obj):
+        return (
+            self.op1.has_object_permission(request, view, obj) and
+            self.op2.has_object_permission(request, view, obj)
+        )
+
+
+class OR:
+    def __init__(self, op1, op2):
+        self.op1 = op1
+        self.op2 = op2
+
+    def has_permission(self, request, view):
+        return (
+            self.op1.has_permission(request, view) or
+            self.op2.has_permission(request, view)
+        )
+
+    def has_object_permission(self, request, view, obj):
+        return (
+            self.op1.has_object_permission(request, view, obj) or
+            self.op2.has_object_permission(request, view, obj)
+        )
+
+
+class NOT:
+    def __init__(self, op1):
+        self.op1 = op1
+
+    def has_permission(self, request, view):
+        return not self.op1.has_permission(request, view)
+
+    def has_object_permission(self, request, view, obj):
+        return not self.op1.has_object_permission(request, view, obj)
+
+
+class BasePermissionMetaclass(OperationHolderMixin, type):
+    pass
+
+
+class BasePermission(metaclass=BasePermissionMetaclass):
     """
     A base class from which all permission classes should inherit.
     """
@@ -46,7 +134,7 @@ class IsAuthenticated(BasePermission):
     """
 
     def has_permission(self, request, view):
-        return request.user and request.user.is_authenticated
+        return bool(request.user and request.user.is_authenticated)
 
 
 class IsAdminUser(BasePermission):
@@ -55,7 +143,7 @@ class IsAdminUser(BasePermission):
     """
 
     def has_permission(self, request, view):
-        return request.user and request.user.is_staff
+        return bool(request.user and request.user.is_staff)
 
 
 class IsAuthenticatedOrReadOnly(BasePermission):
@@ -64,7 +152,7 @@ class IsAuthenticatedOrReadOnly(BasePermission):
     """
 
     def has_permission(self, request, view):
-        return (
+        return bool(
             request.method in SAFE_METHODS or
             request.user and
             request.user.is_authenticated
diff --git a/rest_framework/relations.py b/rest_framework/relations.py
index 22078e64a..338776884 100644
--- a/rest_framework/relations.py
+++ b/rest_framework/relations.py
@@ -1,18 +1,13 @@
-# coding: utf-8
-from __future__ import unicode_literals
-
+import sys
 from collections import OrderedDict
+from urllib import parse
 
 from django.core.exceptions import ImproperlyConfigured, ObjectDoesNotExist
 from django.db.models import Manager
 from django.db.models.query import QuerySet
 from django.urls import NoReverseMatch, Resolver404, get_script_prefix, resolve
-from django.utils import six
-from django.utils.encoding import (
-    python_2_unicode_compatible, smart_text, uri_to_iri
-)
-from django.utils.six.moves.urllib import parse as urlparse
-from django.utils.translation import ugettext_lazy as _
+from django.utils.encoding import smart_text, uri_to_iri
+from django.utils.translation import gettext_lazy as _
 
 from rest_framework.fields import (
     Field, empty, get_attribute, is_simple_callable, iter_options
@@ -31,14 +26,28 @@ def method_overridden(method_name, klass, instance):
     return default_method is not getattr(instance, method_name).__func__
 
 
-class Hyperlink(six.text_type):
+class ObjectValueError(ValueError):
+    """
+    Raised when `queryset.get()` failed due to an underlying `ValueError`.
+    Wrapping prevents calling code conflating this with unrelated errors.
+    """
+
+
+class ObjectTypeError(TypeError):
+    """
+    Raised when `queryset.get()` failed due to an underlying `TypeError`.
+    Wrapping prevents calling code conflating this with unrelated errors.
+    """
+
+
+class Hyperlink(str):
     """
     A string like object that additionally has an associated name.
     We use this for hyperlinked URLs that may render as a named link
     in some contexts, or render as a plain URL in others.
     """
-    def __new__(self, url, obj):
-        ret = six.text_type.__new__(self, url)
+    def __new__(cls, url, obj):
+        ret = str.__new__(cls, url)
         ret.obj = obj
         return ret
 
@@ -50,13 +59,12 @@ class Hyperlink(six.text_type):
         # This ensures that we only called `__str__` lazily,
         # as in some cases calling __str__ on a model instances *might*
         # involve a database lookup.
-        return six.text_type(self.obj)
+        return str(self.obj)
 
     is_hyperlink = True
 
 
-@python_2_unicode_compatible
-class PKOnlyObject(object):
+class PKOnlyObject:
     """
     This is a mock object, used for when we only need the pk of the object
     instance, but still want to return an object with a .pk attribute,
@@ -106,14 +114,14 @@ class RelatedField(Field):
         )
         kwargs.pop('many', None)
         kwargs.pop('allow_empty', None)
-        super(RelatedField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def __new__(cls, *args, **kwargs):
         # We override this method in order to automagically create
         # `ManyRelatedField` classes instead when `many=True` is set.
         if kwargs.pop('many', False):
             return cls.many_init(*args, **kwargs)
-        return super(RelatedField, cls).__new__(cls, *args, **kwargs)
+        return super().__new__(cls, *args, **kwargs)
 
     @classmethod
     def many_init(cls, *args, **kwargs):
@@ -133,7 +141,7 @@ class RelatedField(Field):
             return CustomManyRelatedField(*args, **kwargs)
         """
         list_kwargs = {'child_relation': cls(*args, **kwargs)}
-        for key in kwargs.keys():
+        for key in kwargs:
             if key in MANY_RELATION_KWARGS:
                 list_kwargs[key] = kwargs[key]
         return ManyRelatedField(**list_kwargs)
@@ -142,7 +150,7 @@ class RelatedField(Field):
         # We force empty strings to None values for relational fields.
         if data == '':
             data = None
-        return super(RelatedField, self).run_validation(data)
+        return super().run_validation(data)
 
     def get_queryset(self):
         queryset = self.queryset
@@ -163,8 +171,8 @@ class RelatedField(Field):
         if self.use_pk_only_optimization() and self.source_attrs:
             # Optimized case, return a mock object only containing the pk attribute.
             try:
-                instance = get_attribute(instance, self.source_attrs[:-1])
-                value = instance.serializable_value(self.source_attrs[-1])
+                attribute_instance = get_attribute(instance, self.source_attrs[:-1])
+                value = attribute_instance.serializable_value(self.source_attrs[-1])
                 if is_simple_callable(value):
                     # Handle edge case where the relationship `source` argument
                     # points to a `get_relationship()` method on the model
@@ -174,7 +182,7 @@ class RelatedField(Field):
                 pass
 
         # Standard case, return the object instance.
-        return get_attribute(instance, self.source_attrs)
+        return super().get_attribute(instance)
 
     def get_choices(self, cutoff=None):
         queryset = self.get_queryset()
@@ -210,7 +218,7 @@ class RelatedField(Field):
         )
 
     def display_value(self, instance):
-        return six.text_type(instance)
+        return str(instance)
 
 
 class StringRelatedField(RelatedField):
@@ -221,10 +229,10 @@ class StringRelatedField(RelatedField):
 
     def __init__(self, **kwargs):
         kwargs['read_only'] = True
-        super(StringRelatedField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def to_representation(self, value):
-        return six.text_type(value)
+        return str(value)
 
 
 class PrimaryKeyRelatedField(RelatedField):
@@ -236,7 +244,7 @@ class PrimaryKeyRelatedField(RelatedField):
 
     def __init__(self, **kwargs):
         self.pk_field = kwargs.pop('pk_field', None)
-        super(PrimaryKeyRelatedField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def use_pk_only_optimization(self):
         return True
@@ -282,7 +290,7 @@ class HyperlinkedRelatedField(RelatedField):
         # implicit `self` argument to be passed.
         self.reverse = reverse
 
-        super(HyperlinkedRelatedField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def use_pk_only_optimization(self):
         return self.lookup_field == 'pk'
@@ -296,7 +304,16 @@ class HyperlinkedRelatedField(RelatedField):
         """
         lookup_value = view_kwargs[self.lookup_url_kwarg]
         lookup_kwargs = {self.lookup_field: lookup_value}
-        return self.get_queryset().get(**lookup_kwargs)
+        queryset = self.get_queryset()
+
+        try:
+            return queryset.get(**lookup_kwargs)
+        except ValueError:
+            exc = ObjectValueError(str(sys.exc_info()[1]))
+            raise exc.with_traceback(sys.exc_info()[2])
+        except TypeError:
+            exc = ObjectTypeError(str(sys.exc_info()[1]))
+            raise exc.with_traceback(sys.exc_info()[2])
 
     def get_url(self, obj, view_name, request, format):
         """
@@ -322,7 +339,7 @@ class HyperlinkedRelatedField(RelatedField):
 
         if http_prefix:
             # If needed convert absolute URLs to relative path
-            data = urlparse.urlparse(data).path
+            data = parse.urlparse(data).path
             prefix = get_script_prefix()
             if data.startswith(prefix):
                 data = '/' + data[len(prefix):]
@@ -346,7 +363,7 @@ class HyperlinkedRelatedField(RelatedField):
 
         try:
             return self.get_object(match.view_name, match.args, match.kwargs)
-        except (ObjectDoesNotExist, TypeError, ValueError):
+        except (ObjectDoesNotExist, ObjectValueError, ObjectTypeError):
             self.fail('does_not_exist')
 
     def to_representation(self, value):
@@ -408,7 +425,7 @@ class HyperlinkedIdentityField(HyperlinkedRelatedField):
         assert view_name is not None, 'The `view_name` argument is required.'
         kwargs['read_only'] = True
         kwargs['source'] = '*'
-        super(HyperlinkedIdentityField, self).__init__(view_name, **kwargs)
+        super().__init__(view_name, **kwargs)
 
     def use_pk_only_optimization(self):
         # We have the complete object instance already. We don't need
@@ -429,7 +446,7 @@ class SlugRelatedField(RelatedField):
     def __init__(self, slug_field=None, **kwargs):
         assert slug_field is not None, 'The `slug_field` argument is required.'
         self.slug_field = slug_field
-        super(SlugRelatedField, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def to_internal_value(self, data):
         try:
@@ -478,7 +495,7 @@ class ManyRelatedField(Field):
             self.html_cutoff_text or _(api_settings.HTML_SELECT_CUTOFF_TEXT)
         )
         assert child_relation is not None, '`child_relation` is a required argument.'
-        super(ManyRelatedField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.child_relation.bind(field_name='', parent=self)
 
     def get_value(self, dictionary):
@@ -494,7 +511,7 @@ class ManyRelatedField(Field):
         return dictionary.get(self.field_name, empty)
 
     def to_internal_value(self, data):
-        if isinstance(data, type('')) or not hasattr(data, '__iter__'):
+        if isinstance(data, str) or not hasattr(data, '__iter__'):
             self.fail('not_a_list', input_type=type(data).__name__)
         if not self.allow_empty and len(data) == 0:
             self.fail('empty')
diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py
index 80a22dee5..9a6f3c3c5 100644
--- a/rest_framework/renderers.py
+++ b/rest_framework/renderers.py
@@ -6,10 +6,9 @@ on the response, such as JSON encoded data or HTML output.
 
 REST framework also provides an HTML renderer that renders the browsable API.
 """
-from __future__ import unicode_literals
-
 import base64
 from collections import OrderedDict
+from urllib import parse
 
 from django import forms
 from django.conf import settings
@@ -18,13 +17,13 @@ from django.core.paginator import Page
 from django.http.multipartparser import parse_header
 from django.template import engines, loader
 from django.test.client import encode_multipart
-from django.utils import six
+from django.urls import NoReverseMatch
 from django.utils.html import mark_safe
 
 from rest_framework import VERSION, exceptions, serializers, status
 from rest_framework.compat import (
-    INDENT_SEPARATORS, LONG_SEPARATORS, SHORT_SEPARATORS, coreapi,
-    pygments_css
+    INDENT_SEPARATORS, LONG_SEPARATORS, SHORT_SEPARATORS, coreapi, coreschema,
+    pygments_css, yaml
 )
 from rest_framework.exceptions import ParseError
 from rest_framework.request import is_form_media_type, override_method
@@ -38,7 +37,7 @@ def zero_as_none(value):
     return None if value == 0 else value
 
 
-class BaseRenderer(object):
+class BaseRenderer:
     """
     All renderers should extend this class, setting the `media_type`
     and `format` attributes, and override the `.render()` method.
@@ -65,7 +64,7 @@ class JSONRenderer(BaseRenderer):
 
     # We don't set a charset because JSON is a binary encoding,
     # that can be encoded as utf-8, utf-16 or utf-32.
-    # See: http://www.ietf.org/rfc/rfc4627.txt
+    # See: https://www.ietf.org/rfc/rfc4627.txt
     # Also: http://lucumr.pocoo.org/2013/7/19/application-mimetypes-and-encodings/
     charset = None
 
@@ -89,7 +88,7 @@ class JSONRenderer(BaseRenderer):
         Render `data` into JSON, returning a bytestring.
         """
         if data is None:
-            return bytes()
+            return b''
 
         renderer_context = renderer_context or {}
         indent = self.get_indent(accepted_media_type, renderer_context)
@@ -105,18 +104,11 @@ class JSONRenderer(BaseRenderer):
             allow_nan=not self.strict, separators=separators
         )
 
-        # On python 2.x json.dumps() returns bytestrings if ensure_ascii=True,
-        # but if ensure_ascii=False, the return type is underspecified,
-        # and may (or may not) be unicode.
-        # On python 3.x json.dumps() returns unicode strings.
-        if isinstance(ret, six.text_type):
-            # We always fully escape \u2028 and \u2029 to ensure we output JSON
-            # that is a strict javascript subset. If bytes were returned
-            # by json.dumps() then we don't have these characters in any case.
-            # See: http://timelessrepo.com/json-isnt-a-javascript-subset
-            ret = ret.replace('\u2028', '\\u2028').replace('\u2029', '\\u2029')
-            return bytes(ret.encode('utf-8'))
-        return ret
+        # We always fully escape \u2028 and \u2029 to ensure we output JSON
+        # that is a strict javascript subset.
+        # See: http://timelessrepo.com/json-isnt-a-javascript-subset
+        ret = ret.replace('\u2028', '\\u2028').replace('\u2029', '\\u2029')
+        return ret.encode()
 
 
 class TemplateHTMLRenderer(BaseRenderer):
@@ -320,6 +312,12 @@ class HTMLFormRenderer(BaseRenderer):
         serializers.ListSerializer: {
             'base_template': 'list_fieldset.html'
         },
+        serializers.ListField: {
+            'base_template': 'list_field.html'
+        },
+        serializers.DictField: {
+            'base_template': 'dict_field.html'
+        },
         serializers.FilePathField: {
             'base_template': 'select.html',
         },
@@ -341,7 +339,7 @@ class HTMLFormRenderer(BaseRenderer):
         # Get a clone of the field with text-only value representation.
         field = field.as_form_field()
 
-        if style.get('input_type') == 'datetime-local' and isinstance(field.value, six.text_type):
+        if style.get('input_type') == 'datetime-local' and isinstance(field.value, str):
             field.value = field.value.rstrip('Z')
 
         if 'template' in style:
@@ -569,7 +567,7 @@ class BrowsableAPIRenderer(BaseRenderer):
                         data.pop(name, None)
                 content = renderer.render(data, accepted, context)
                 # Renders returns bytes, but CharField expects a str.
-                content = content.decode('utf-8')
+                content = content.decode()
             else:
                 content = None
 
@@ -606,6 +604,14 @@ class BrowsableAPIRenderer(BaseRenderer):
     def get_breadcrumbs(self, request):
         return get_breadcrumbs(request.path, request)
 
+    def get_extra_actions(self, view, status_code):
+        if (status_code in (status.HTTP_401_UNAUTHORIZED, status.HTTP_403_FORBIDDEN)):
+            return None
+        elif not hasattr(view, 'get_extra_action_url_map'):
+            return None
+
+        return view.get_extra_action_url_map()
+
     def get_filter_form(self, data, view, request):
         if not hasattr(view, 'get_queryset') or not hasattr(view, 'filter_backends'):
             return
@@ -671,7 +677,7 @@ class BrowsableAPIRenderer(BaseRenderer):
             csrf_header_name = csrf_header_name[5:]
         csrf_header_name = csrf_header_name.replace('_', '-')
 
-        context = {
+        return {
             'content': self.get_content(renderer, data, accepted_media_type, renderer_context),
             'code_style': pygments_css(self.code_style),
             'view': view,
@@ -692,6 +698,8 @@ class BrowsableAPIRenderer(BaseRenderer):
             'delete_form': self.get_rendered_html_form(data, view, 'DELETE', request),
             'options_form': self.get_rendered_html_form(data, view, 'OPTIONS', request),
 
+            'extra_actions': self.get_extra_actions(view, response.status_code),
+
             'filter_form': self.get_filter_form(data, view, request),
 
             'raw_data_put_form': raw_data_put_form,
@@ -705,7 +713,6 @@ class BrowsableAPIRenderer(BaseRenderer):
             'csrf_cookie_name': csrf_cookie_name,
             'csrf_header_name': csrf_header_name
         }
-        return context
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
@@ -776,7 +783,7 @@ class AdminRenderer(BrowsableAPIRenderer):
         """
         Render the HTML for the browsable API representation.
         """
-        context = super(AdminRenderer, self).get_context(
+        context = super().get_context(
             data, accepted_media_type, renderer_context
         )
 
@@ -799,8 +806,14 @@ class AdminRenderer(BrowsableAPIRenderer):
             header = results
             style = 'detail'
 
-        columns = [key for key in header.keys() if key != 'url']
-        details = [key for key in header.keys() if key != 'url']
+        columns = [key for key in header if key != 'url']
+        details = [key for key in header if key != 'url']
+
+        if isinstance(results, list) and 'view' in renderer_context:
+            for result in results:
+                url = self.get_result_url(result, context['view'])
+                if url is not None:
+                    result.setdefault('url', url)
 
         context['style'] = style
         context['columns'] = columns
@@ -810,6 +823,26 @@ class AdminRenderer(BrowsableAPIRenderer):
         context['error_title'] = getattr(self, 'error_title', None)
         return context
 
+    def get_result_url(self, result, view):
+        """
+        Attempt to reverse the result's detail view URL.
+
+        This only works with views that are generic-like (has `.lookup_field`)
+        and viewset-like (has `.basename` / `.reverse_action()`).
+        """
+        if not hasattr(view, 'reverse_action') or \
+           not hasattr(view, 'lookup_field'):
+            return
+
+        lookup_field = view.lookup_field
+        lookup_url_kwarg = getattr(view, 'lookup_url_kwarg', None) or lookup_field
+
+        try:
+            kwargs = {lookup_url_kwarg: result[lookup_field]}
+            return view.reverse_action('detail', kwargs=kwargs)
+        except (KeyError, NoReverseMatch):
+            return
+
 
 class DocumentationRenderer(BaseRenderer):
     media_type = 'text/html'
@@ -824,6 +857,8 @@ class DocumentationRenderer(BaseRenderer):
         return {
             'document': data,
             'langs': self.languages,
+            'lang_htmls': ["rest_framework/docs/langs/%s.html" % l for l in self.languages],
+            'lang_intro_htmls': ["rest_framework/docs/langs/%s-intro.html" % l for l in self.languages],
             'code_style': pygments_css(self.code_style),
             'request': request
         }
@@ -890,3 +925,140 @@ class CoreJSONRenderer(BaseRenderer):
         indent = bool(renderer_context.get('indent', 0))
         codec = coreapi.codecs.CoreJSONCodec()
         return codec.dump(data, indent=indent)
+
+
+class _BaseOpenAPIRenderer:
+    def get_schema(self, instance):
+        CLASS_TO_TYPENAME = {
+            coreschema.Object: 'object',
+            coreschema.Array: 'array',
+            coreschema.Number: 'number',
+            coreschema.Integer: 'integer',
+            coreschema.String: 'string',
+            coreschema.Boolean: 'boolean',
+        }
+
+        schema = {}
+        if instance.__class__ in CLASS_TO_TYPENAME:
+            schema['type'] = CLASS_TO_TYPENAME[instance.__class__]
+        schema['title'] = instance.title
+        schema['description'] = instance.description
+        if hasattr(instance, 'enum'):
+            schema['enum'] = instance.enum
+        return schema
+
+    def get_parameters(self, link):
+        parameters = []
+        for field in link.fields:
+            if field.location not in ['path', 'query']:
+                continue
+            parameter = {
+                'name': field.name,
+                'in': field.location,
+            }
+            if field.required:
+                parameter['required'] = True
+            if field.description:
+                parameter['description'] = field.description
+            if field.schema:
+                parameter['schema'] = self.get_schema(field.schema)
+            parameters.append(parameter)
+        return parameters
+
+    def get_operation(self, link, name, tag):
+        operation_id = "%s_%s" % (tag, name) if tag else name
+        parameters = self.get_parameters(link)
+
+        operation = {
+            'operationId': operation_id,
+        }
+        if link.title:
+            operation['summary'] = link.title
+        if link.description:
+            operation['description'] = link.description
+        if parameters:
+            operation['parameters'] = parameters
+        if tag:
+            operation['tags'] = [tag]
+        return operation
+
+    def get_paths(self, document):
+        paths = {}
+
+        tag = None
+        for name, link in document.links.items():
+            path = parse.urlparse(link.url).path
+            method = link.action.lower()
+            paths.setdefault(path, {})
+            paths[path][method] = self.get_operation(link, name, tag=tag)
+
+        for tag, section in document.data.items():
+            for name, link in section.links.items():
+                path = parse.urlparse(link.url).path
+                method = link.action.lower()
+                paths.setdefault(path, {})
+                paths[path][method] = self.get_operation(link, name, tag=tag)
+
+        return paths
+
+    def get_structure(self, data):
+        return {
+            'openapi': '3.0.0',
+            'info': {
+                'version': '',
+                'title': data.title,
+                'description': data.description
+            },
+            'servers': [{
+                'url': data.url
+            }],
+            'paths': self.get_paths(data)
+        }
+
+
+class CoreAPIOpenAPIRenderer(_BaseOpenAPIRenderer):
+    media_type = 'application/vnd.oai.openapi'
+    charset = None
+    format = 'openapi'
+
+    def __init__(self):
+        assert coreapi, 'Using CoreAPIOpenAPIRenderer, but `coreapi` is not installed.'
+        assert yaml, 'Using CoreAPIOpenAPIRenderer, but `pyyaml` is not installed.'
+
+    def render(self, data, media_type=None, renderer_context=None):
+        structure = self.get_structure(data)
+        return yaml.dump(structure, default_flow_style=False).encode()
+
+
+class CoreAPIJSONOpenAPIRenderer(_BaseOpenAPIRenderer):
+    media_type = 'application/vnd.oai.openapi+json'
+    charset = None
+    format = 'openapi-json'
+
+    def __init__(self):
+        assert coreapi, 'Using CoreAPIJSONOpenAPIRenderer, but `coreapi` is not installed.'
+
+    def render(self, data, media_type=None, renderer_context=None):
+        structure = self.get_structure(data)
+        return json.dumps(structure, indent=4).encode('utf-8')
+
+
+class OpenAPIRenderer(BaseRenderer):
+    media_type = 'application/vnd.oai.openapi'
+    charset = None
+    format = 'openapi'
+
+    def __init__(self):
+        assert yaml, 'Using OpenAPIRenderer, but `pyyaml` is not installed.'
+
+    def render(self, data, media_type=None, renderer_context=None):
+        return yaml.dump(data, default_flow_style=False, sort_keys=False).encode('utf-8')
+
+
+class JSONOpenAPIRenderer(BaseRenderer):
+    media_type = 'application/vnd.oai.openapi+json'
+    charset = None
+    format = 'openapi-json'
+
+    def render(self, data, media_type=None, renderer_context=None):
+        return json.dumps(data, indent=2).encode('utf-8')
diff --git a/rest_framework/request.py b/rest_framework/request.py
index 7e4daf274..ec4b749c2 100644
--- a/rest_framework/request.py
+++ b/rest_framework/request.py
@@ -8,8 +8,7 @@ The wrapped request then offers a richer API, in particular :
     - full support of PUT method, including support for file uploads
     - form overloading of HTTP method, content type and content
 """
-from __future__ import unicode_literals
-
+import io
 import sys
 from contextlib import contextmanager
 
@@ -17,7 +16,6 @@ from django.conf import settings
 from django.http import HttpRequest, QueryDict
 from django.http.multipartparser import parse_header
 from django.http.request import RawPostDataException
-from django.utils import six
 from django.utils.datastructures import MultiValueDict
 
 from rest_framework import HTTP_HEADER_ENCODING, exceptions
@@ -33,7 +31,7 @@ def is_form_media_type(media_type):
             base_media_type == 'multipart/form-data')
 
 
-class override_method(object):
+class override_method:
     """
     A context manager that temporarily overrides the method on a request,
     additionally setting the `view.request` attribute.
@@ -77,10 +75,10 @@ def wrap_attributeerrors():
     except AttributeError:
         info = sys.exc_info()
         exc = WrappedAttributeError(str(info[1]))
-        six.reraise(type(exc), exc, info[2])
+        raise exc.with_traceback(info[2])
 
 
-class Empty(object):
+class Empty:
     """
     Placeholder for unset attributes.
     Cannot use `None`, as that may be a valid value.
@@ -125,7 +123,7 @@ def clone_request(request, method):
     return ret
 
 
-class ForcedAuthentication(object):
+class ForcedAuthentication:
     """
     This authentication class is used if the test client or request factory
     forcibly authenticated the request.
@@ -139,7 +137,7 @@ class ForcedAuthentication(object):
         return (self.force_user, self.force_token)
 
 
-class Request(object):
+class Request:
     """
     Wrapper allowing to enhance a standard `HttpRequest` instance.
 
@@ -278,10 +276,11 @@ class Request(object):
             else:
                 self._full_data = self._data
 
-            # copy data & files refs to the underlying request so that closable
-            # objects are handled appropriately.
-            self._request._post = self.POST
-            self._request._files = self.FILES
+            # if a form media type, copy data & files refs to the underlying
+            # http request so that closable objects are handled appropriately.
+            if is_form_media_type(self.content_type):
+                self._request._post = self.POST
+                self._request._files = self.FILES
 
     def _load_stream(self):
         """
@@ -300,7 +299,7 @@ class Request(object):
         elif not self._request._read_started:
             self._stream = self._request
         else:
-            self._stream = six.BytesIO(self.body)
+            self._stream = io.BytesIO(self.body)
 
     def _supports_form_parsing(self):
         """
diff --git a/rest_framework/response.py b/rest_framework/response.py
index bf0663255..495423734 100644
--- a/rest_framework/response.py
+++ b/rest_framework/response.py
@@ -4,11 +4,9 @@ it is initialized with unrendered data, instead of a pre-rendered string.
 
 The appropriate renderer is called during Django's template response rendering.
 """
-from __future__ import unicode_literals
+from http.client import responses
 
 from django.template.response import SimpleTemplateResponse
-from django.utils import six
-from django.utils.six.moves.http_client import responses
 
 from rest_framework.serializers import Serializer
 
@@ -29,7 +27,7 @@ class Response(SimpleTemplateResponse):
         Setting 'renderer' and 'media_type' will typically be deferred,
         For example being set automatically by the `APIView`.
         """
-        super(Response, self).__init__(None, status=status)
+        super().__init__(None, status=status)
 
         if isinstance(data, Serializer):
             msg = (
@@ -45,7 +43,7 @@ class Response(SimpleTemplateResponse):
         self.content_type = content_type
 
         if headers:
-            for name, value in six.iteritems(headers):
+            for name, value in headers.items():
                 self[name] = value
 
     @property
@@ -64,18 +62,18 @@ class Response(SimpleTemplateResponse):
         content_type = self.content_type
 
         if content_type is None and charset is not None:
-            content_type = "{0}; charset={1}".format(media_type, charset)
+            content_type = "{}; charset={}".format(media_type, charset)
         elif content_type is None:
             content_type = media_type
         self['Content-Type'] = content_type
 
         ret = renderer.render(self.data, accepted_media_type, context)
-        if isinstance(ret, six.text_type):
+        if isinstance(ret, str):
             assert charset, (
                 'renderer returned unicode, and did not specify '
                 'a charset value.'
             )
-            return bytes(ret.encode(charset))
+            return ret.encode(charset)
 
         if not ret:
             del self['Content-Type']
@@ -94,7 +92,7 @@ class Response(SimpleTemplateResponse):
         """
         Remove attributes from the response that shouldn't be cached.
         """
-        state = super(Response, self).__getstate__()
+        state = super().__getstate__()
         for key in (
             'accepted_renderer', 'renderer_context', 'resolver_match',
             'client', 'request', 'json', 'wsgi_request'
diff --git a/rest_framework/reverse.py b/rest_framework/reverse.py
index 54c463553..55bf74af1 100644
--- a/rest_framework/reverse.py
+++ b/rest_framework/reverse.py
@@ -1,11 +1,8 @@
 """
 Provide urlresolver functions that return fully qualified URLs or view names
 """
-from __future__ import unicode_literals
-
-from django.urls import reverse as django_reverse
 from django.urls import NoReverseMatch
-from django.utils import six
+from django.urls import reverse as django_reverse
 from django.utils.functional import lazy
 
 from rest_framework.settings import api_settings
@@ -66,4 +63,4 @@ def _reverse(viewname, args=None, kwargs=None, request=None, format=None, **extr
     return url
 
 
-reverse_lazy = lazy(reverse, six.text_type)
+reverse_lazy = lazy(reverse, str)
diff --git a/rest_framework/routers.py b/rest_framework/routers.py
index f4d2fab38..d8e19a2d7 100644
--- a/rest_framework/routers.py
+++ b/rest_framework/routers.py
@@ -13,16 +13,16 @@ For example, you might have a `urls.py` that looks something like this:
 
     urlpatterns = router.urls
 """
-from __future__ import unicode_literals
-
 import itertools
+import warnings
 from collections import OrderedDict, namedtuple
 
 from django.conf.urls import url
 from django.core.exceptions import ImproperlyConfigured
 from django.urls import NoReverseMatch
+from django.utils.deprecation import RenameMethodsBase
 
-from rest_framework import views
+from rest_framework import RemovedInDRF311Warning, views
 from rest_framework.response import Response
 from rest_framework.reverse import reverse
 from rest_framework.schemas import SchemaGenerator
@@ -30,30 +30,15 @@ from rest_framework.schemas.views import SchemaView
 from rest_framework.settings import api_settings
 from rest_framework.urlpatterns import format_suffix_patterns
 
-Route = namedtuple('Route', ['url', 'mapping', 'name', 'initkwargs'])
-DynamicDetailRoute = namedtuple('DynamicDetailRoute', ['url', 'name', 'initkwargs'])
-DynamicListRoute = namedtuple('DynamicListRoute', ['url', 'name', 'initkwargs'])
+Route = namedtuple('Route', ['url', 'mapping', 'name', 'detail', 'initkwargs'])
+DynamicRoute = namedtuple('DynamicRoute', ['url', 'name', 'detail', 'initkwargs'])
 
 
 def escape_curly_brackets(url_path):
     """
     Double brackets in regex of url_path for escape string formatting
     """
-    if ('{' and '}') in url_path:
-        url_path = url_path.replace('{', '{{').replace('}', '}}')
-    return url_path
-
-
-def replace_methodname(format_string, methodname):
-    """
-    Partially format a format_string, swapping out any
-    '{methodname}' or '{methodnamehyphen}' components.
-    """
-    methodnamehyphen = methodname.replace('_', '-')
-    ret = format_string
-    ret = ret.replace('{methodname}', methodname)
-    ret = ret.replace('{methodnamehyphen}', methodnamehyphen)
-    return ret
+    return url_path.replace('{', '{{').replace('}', '}}')
 
 
 def flatten(list_of_lists):
@@ -63,21 +48,41 @@ def flatten(list_of_lists):
     return itertools.chain(*list_of_lists)
 
 
-class BaseRouter(object):
+class RenameRouterMethods(RenameMethodsBase):
+    renamed_methods = (
+        ('get_default_base_name', 'get_default_basename', RemovedInDRF311Warning),
+    )
+
+
+class BaseRouter(metaclass=RenameRouterMethods):
     def __init__(self):
         self.registry = []
 
-    def register(self, prefix, viewset, base_name=None):
-        if base_name is None:
-            base_name = self.get_default_base_name(viewset)
-        self.registry.append((prefix, viewset, base_name))
+    def register(self, prefix, viewset, basename=None, base_name=None):
+        if base_name is not None:
+            msg = "The `base_name` argument is pending deprecation in favor of `basename`."
+            warnings.warn(msg, RemovedInDRF311Warning, 2)
 
-    def get_default_base_name(self, viewset):
+        assert not (basename and base_name), (
+            "Do not provide both the `basename` and `base_name` arguments.")
+
+        if basename is None:
+            basename = base_name
+
+        if basename is None:
+            basename = self.get_default_basename(viewset)
+        self.registry.append((prefix, viewset, basename))
+
+        # invalidate the urls cache
+        if hasattr(self, '_urls'):
+            del self._urls
+
+    def get_default_basename(self, viewset):
         """
-        If `base_name` is not specified, attempt to automatically determine
+        If `basename` is not specified, attempt to automatically determine
         it from the viewset.
         """
-        raise NotImplementedError('get_default_base_name must be overridden')
+        raise NotImplementedError('get_default_basename must be overridden')
 
     def get_urls(self):
         """
@@ -103,14 +108,15 @@ class SimpleRouter(BaseRouter):
                 'post': 'create'
             },
             name='{basename}-list',
+            detail=False,
             initkwargs={'suffix': 'List'}
         ),
-        # Dynamically generated list routes.
-        # Generated using @list_route decorator
-        # on methods of the viewset.
-        DynamicListRoute(
-            url=r'^{prefix}/{methodname}{trailing_slash}$',
-            name='{basename}-{methodnamehyphen}',
+        # Dynamically generated list routes. Generated using
+        # @action(detail=False) decorator on methods of the viewset.
+        DynamicRoute(
+            url=r'^{prefix}/{url_path}{trailing_slash}$',
+            name='{basename}-{url_name}',
+            detail=False,
             initkwargs={}
         ),
         # Detail route.
@@ -123,29 +129,31 @@ class SimpleRouter(BaseRouter):
                 'delete': 'destroy'
             },
             name='{basename}-detail',
+            detail=True,
             initkwargs={'suffix': 'Instance'}
         ),
-        # Dynamically generated detail routes.
-        # Generated using @detail_route decorator on methods of the viewset.
-        DynamicDetailRoute(
-            url=r'^{prefix}/{lookup}/{methodname}{trailing_slash}$',
-            name='{basename}-{methodnamehyphen}',
+        # Dynamically generated detail routes. Generated using
+        # @action(detail=True) decorator on methods of the viewset.
+        DynamicRoute(
+            url=r'^{prefix}/{lookup}/{url_path}{trailing_slash}$',
+            name='{basename}-{url_name}',
+            detail=True,
             initkwargs={}
         ),
     ]
 
     def __init__(self, trailing_slash=True):
-        self.trailing_slash = trailing_slash and '/' or ''
-        super(SimpleRouter, self).__init__()
+        self.trailing_slash = '/' if trailing_slash else ''
+        super().__init__()
 
-    def get_default_base_name(self, viewset):
+    def get_default_basename(self, viewset):
         """
-        If `base_name` is not specified, attempt to automatically determine
+        If `basename` is not specified, attempt to automatically determine
         it from the viewset.
         """
         queryset = getattr(viewset, 'queryset', None)
 
-        assert queryset is not None, '`base_name` argument not specified, and could ' \
+        assert queryset is not None, '`basename` argument not specified, and could ' \
             'not automatically determine the name from the viewset, as ' \
             'it does not have a `.queryset` attribute.'
 
@@ -160,57 +168,46 @@ class SimpleRouter(BaseRouter):
         # converting to list as iterables are good for one pass, known host needs to be checked again and again for
         # different functions.
         known_actions = list(flatten([route.mapping.values() for route in self.routes if isinstance(route, Route)]))
+        extra_actions = viewset.get_extra_actions()
 
-        # Determine any `@detail_route` or `@list_route` decorated methods on the viewset
-        detail_routes = []
-        list_routes = []
-        for methodname in dir(viewset):
-            attr = getattr(viewset, methodname)
-            httpmethods = getattr(attr, 'bind_to_methods', None)
-            detail = getattr(attr, 'detail', True)
-            if httpmethods:
-                # checking method names against the known actions list
-                if methodname in known_actions:
-                    raise ImproperlyConfigured('Cannot use @detail_route or @list_route '
-                                               'decorators on method "%s" '
-                                               'as it is an existing route' % methodname)
-                httpmethods = [method.lower() for method in httpmethods]
-                if detail:
-                    detail_routes.append((httpmethods, methodname))
-                else:
-                    list_routes.append((httpmethods, methodname))
+        # checking action names against the known actions list
+        not_allowed = [
+            action.__name__ for action in extra_actions
+            if action.__name__ in known_actions
+        ]
+        if not_allowed:
+            msg = ('Cannot use the @action decorator on the following '
+                   'methods, as they are existing routes: %s')
+            raise ImproperlyConfigured(msg % ', '.join(not_allowed))
 
-        def _get_dynamic_routes(route, dynamic_routes):
-            ret = []
-            for httpmethods, methodname in dynamic_routes:
-                method_kwargs = getattr(viewset, methodname).kwargs
-                initkwargs = route.initkwargs.copy()
-                initkwargs.update(method_kwargs)
-                url_path = initkwargs.pop("url_path", None) or methodname
-                url_path = escape_curly_brackets(url_path)
-                url_name = initkwargs.pop("url_name", None) or url_path
-                ret.append(Route(
-                    url=replace_methodname(route.url, url_path),
-                    mapping={httpmethod: methodname for httpmethod in httpmethods},
-                    name=replace_methodname(route.name, url_name),
-                    initkwargs=initkwargs,
-                ))
+        # partition detail and list actions
+        detail_actions = [action for action in extra_actions if action.detail]
+        list_actions = [action for action in extra_actions if not action.detail]
 
-            return ret
-
-        ret = []
+        routes = []
         for route in self.routes:
-            if isinstance(route, DynamicDetailRoute):
-                # Dynamic detail routes (@detail_route decorator)
-                ret += _get_dynamic_routes(route, detail_routes)
-            elif isinstance(route, DynamicListRoute):
-                # Dynamic list routes (@list_route decorator)
-                ret += _get_dynamic_routes(route, list_routes)
+            if isinstance(route, DynamicRoute) and route.detail:
+                routes += [self._get_dynamic_route(route, action) for action in detail_actions]
+            elif isinstance(route, DynamicRoute) and not route.detail:
+                routes += [self._get_dynamic_route(route, action) for action in list_actions]
             else:
-                # Standard route
-                ret.append(route)
+                routes.append(route)
 
-        return ret
+        return routes
+
+    def _get_dynamic_route(self, route, action):
+        initkwargs = route.initkwargs.copy()
+        initkwargs.update(action.kwargs)
+
+        url_path = escape_curly_brackets(action.url_path)
+
+        return Route(
+            url=route.url.replace('{url_path}', url_path),
+            mapping=action.mapping,
+            name=route.name.replace('{url_name}', action.url_name),
+            detail=route.detail,
+            initkwargs=initkwargs,
+        )
 
     def get_method_map(self, viewset, method_map):
         """
@@ -281,6 +278,7 @@ class SimpleRouter(BaseRouter):
                 initkwargs = route.initkwargs.copy()
                 initkwargs.update({
                     'basename': basename,
+                    'detail': route.detail,
                 })
 
                 view = viewset.as_view(mapping, **initkwargs)
@@ -338,7 +336,7 @@ class DefaultRouter(SimpleRouter):
             self.root_renderers = kwargs.pop('root_renderers')
         else:
             self.root_renderers = list(api_settings.DEFAULT_RENDERER_CLASSES)
-        super(DefaultRouter, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def get_api_root_view(self, api_urls=None):
         """
@@ -356,7 +354,7 @@ class DefaultRouter(SimpleRouter):
         Generate the list of URL patterns, including a default root view
         for the API, and appending `.json` style format suffixes.
         """
-        urls = super(DefaultRouter, self).get_urls()
+        urls = super().get_urls()
 
         if self.include_root_view:
             view = self.get_api_root_view(api_urls=urls)
diff --git a/rest_framework/schemas/__init__.py b/rest_framework/schemas/__init__.py
index 1af0b9fc5..b63cb2353 100644
--- a/rest_framework/schemas/__init__.py
+++ b/rest_framework/schemas/__init__.py
@@ -22,24 +22,33 @@ Other access should target the submodules directly
 """
 from rest_framework.settings import api_settings
 
-from .generators import SchemaGenerator
-from .inspectors import AutoSchema, ManualSchema  # noqa
+from . import coreapi, openapi
+from .coreapi import AutoSchema, ManualSchema, SchemaGenerator  # noqa
+from .inspectors import DefaultSchema  # noqa
 
 
 def get_schema_view(
         title=None, url=None, description=None, urlconf=None, renderer_classes=None,
-        public=False, patterns=None, generator_class=SchemaGenerator,
+        public=False, patterns=None, generator_class=None,
         authentication_classes=api_settings.DEFAULT_AUTHENTICATION_CLASSES,
-        permission_classes=api_settings.DEFAULT_PERMISSION_CLASSES):
+        permission_classes=api_settings.DEFAULT_PERMISSION_CLASSES,
+        version=None):
     """
     Return a schema view.
     """
-    # Avoid import cycle on APIView
-    from .views import SchemaView
+    if generator_class is None:
+        if coreapi.is_enabled():
+            generator_class = coreapi.SchemaGenerator
+        else:
+            generator_class = openapi.SchemaGenerator
+
     generator = generator_class(
         title=title, url=url, description=description,
-        urlconf=urlconf, patterns=patterns,
+        urlconf=urlconf, patterns=patterns, version=version
     )
+
+    # Avoid import cycle on APIView
+    from .views import SchemaView
     return SchemaView.as_view(
         renderer_classes=renderer_classes,
         schema_generator=generator,
diff --git a/rest_framework/schemas/coreapi.py b/rest_framework/schemas/coreapi.py
new file mode 100644
index 000000000..75ed5671a
--- /dev/null
+++ b/rest_framework/schemas/coreapi.py
@@ -0,0 +1,612 @@
+import warnings
+from collections import Counter, OrderedDict
+from urllib import parse
+
+from django.db import models
+from django.utils.encoding import force_str
+
+from rest_framework import exceptions, serializers
+from rest_framework.compat import coreapi, coreschema, uritemplate
+from rest_framework.settings import api_settings
+
+from .generators import BaseSchemaGenerator
+from .inspectors import ViewInspector
+from .utils import get_pk_description, is_list_view
+
+
+def common_path(paths):
+    split_paths = [path.strip('/').split('/') for path in paths]
+    s1 = min(split_paths)
+    s2 = max(split_paths)
+    common = s1
+    for i, c in enumerate(s1):
+        if c != s2[i]:
+            common = s1[:i]
+            break
+    return '/' + '/'.join(common)
+
+
+def is_custom_action(action):
+    return action not in {
+        'retrieve', 'list', 'create', 'update', 'partial_update', 'destroy'
+    }
+
+
+def distribute_links(obj):
+    for key, value in obj.items():
+        distribute_links(value)
+
+    for preferred_key, link in obj.links:
+        key = obj.get_available_key(preferred_key)
+        obj[key] = link
+
+
+INSERT_INTO_COLLISION_FMT = """
+Schema Naming Collision.
+
+coreapi.Link for URL path {value_url} cannot be inserted into schema.
+Position conflicts with coreapi.Link for URL path {target_url}.
+
+Attempted to insert link with keys: {keys}.
+
+Adjust URLs to avoid naming collision or override `SchemaGenerator.get_keys()`
+to customise schema structure.
+"""
+
+
+class LinkNode(OrderedDict):
+    def __init__(self):
+        self.links = []
+        self.methods_counter = Counter()
+        super(LinkNode, self).__init__()
+
+    def get_available_key(self, preferred_key):
+        if preferred_key not in self:
+            return preferred_key
+
+        while True:
+            current_val = self.methods_counter[preferred_key]
+            self.methods_counter[preferred_key] += 1
+
+            key = '{}_{}'.format(preferred_key, current_val)
+            if key not in self:
+                return key
+
+
+def insert_into(target, keys, value):
+    """
+    Nested dictionary insertion.
+
+    >>> example = {}
+    >>> insert_into(example, ['a', 'b', 'c'], 123)
+    >>> example
+    LinkNode({'a': LinkNode({'b': LinkNode({'c': LinkNode(links=[123])}}})))
+    """
+    for key in keys[:-1]:
+        if key not in target:
+            target[key] = LinkNode()
+        target = target[key]
+
+    try:
+        target.links.append((keys[-1], value))
+    except TypeError:
+        msg = INSERT_INTO_COLLISION_FMT.format(
+            value_url=value.url,
+            target_url=target.url,
+            keys=keys
+        )
+        raise ValueError(msg)
+
+
+class SchemaGenerator(BaseSchemaGenerator):
+    """
+    Original CoreAPI version.
+    """
+    # Map HTTP methods onto actions.
+    default_mapping = {
+        'get': 'retrieve',
+        'post': 'create',
+        'put': 'update',
+        'patch': 'partial_update',
+        'delete': 'destroy',
+    }
+
+    # Map the method names we use for viewset actions onto external schema names.
+    # These give us names that are more suitable for the external representation.
+    # Set by 'SCHEMA_COERCE_METHOD_NAMES'.
+    coerce_method_names = None
+
+    def __init__(self, title=None, url=None, description=None, patterns=None, urlconf=None, version=None):
+        assert coreapi, '`coreapi` must be installed for schema support.'
+        assert coreschema, '`coreschema` must be installed for schema support.'
+
+        super(SchemaGenerator, self).__init__(title, url, description, patterns, urlconf)
+        self.coerce_method_names = api_settings.SCHEMA_COERCE_METHOD_NAMES
+
+    def get_links(self, request=None):
+        """
+        Return a dictionary containing all the links that should be
+        included in the API schema.
+        """
+        links = LinkNode()
+
+        paths, view_endpoints = self._get_paths_and_endpoints(request)
+
+        # Only generate the path prefix for paths that will be included
+        if not paths:
+            return None
+        prefix = self.determine_path_prefix(paths)
+
+        for path, method, view in view_endpoints:
+            if not self.has_view_permissions(path, method, view):
+                continue
+            link = view.schema.get_link(path, method, base_url=self.url)
+            subpath = path[len(prefix):]
+            keys = self.get_keys(subpath, method, view)
+            insert_into(links, keys, link)
+
+        return links
+
+    def get_schema(self, request=None, public=False):
+        """
+        Generate a `coreapi.Document` representing the API schema.
+        """
+        self._initialise_endpoints()
+
+        links = self.get_links(None if public else request)
+        if not links:
+            return None
+
+        url = self.url
+        if not url and request is not None:
+            url = request.build_absolute_uri()
+
+        distribute_links(links)
+        return coreapi.Document(
+            title=self.title, description=self.description,
+            url=url, content=links
+        )
+
+    # Method for generating the link layout....
+    def get_keys(self, subpath, method, view):
+        """
+        Return a list of keys that should be used to layout a link within
+        the schema document.
+
+        /users/                   ("users", "list"), ("users", "create")
+        /users/{pk}/              ("users", "read"), ("users", "update"), ("users", "delete")
+        /users/enabled/           ("users", "enabled")  # custom viewset list action
+        /users/{pk}/star/         ("users", "star")     # custom viewset detail action
+        /users/{pk}/groups/       ("users", "groups", "list"), ("users", "groups", "create")
+        /users/{pk}/groups/{pk}/  ("users", "groups", "read"), ("users", "groups", "update"), ("users", "groups", "delete")
+        """
+        if hasattr(view, 'action'):
+            # Viewsets have explicitly named actions.
+            action = view.action
+        else:
+            # Views have no associated action, so we determine one from the method.
+            if is_list_view(subpath, method, view):
+                action = 'list'
+            else:
+                action = self.default_mapping[method.lower()]
+
+        named_path_components = [
+            component for component
+            in subpath.strip('/').split('/')
+            if '{' not in component
+        ]
+
+        if is_custom_action(action):
+            # Custom action, eg "/users/{pk}/activate/", "/users/active/"
+            if len(view.action_map) > 1:
+                action = self.default_mapping[method.lower()]
+                if action in self.coerce_method_names:
+                    action = self.coerce_method_names[action]
+                return named_path_components + [action]
+            else:
+                return named_path_components[:-1] + [action]
+
+        if action in self.coerce_method_names:
+            action = self.coerce_method_names[action]
+
+        # Default action, eg "/users/", "/users/{pk}/"
+        return named_path_components + [action]
+
+    def determine_path_prefix(self, paths):
+        """
+        Given a list of all paths, return the common prefix which should be
+        discounted when generating a schema structure.
+
+        This will be the longest common string that does not include that last
+        component of the URL, or the last component before a path parameter.
+
+        For example:
+
+        /api/v1/users/
+        /api/v1/users/{pk}/
+
+        The path prefix is '/api/v1'
+        """
+        prefixes = []
+        for path in paths:
+            components = path.strip('/').split('/')
+            initial_components = []
+            for component in components:
+                if '{' in component:
+                    break
+                initial_components.append(component)
+            prefix = '/'.join(initial_components[:-1])
+            if not prefix:
+                # We can just break early in the case that there's at least
+                # one URL that doesn't have a path prefix.
+                return '/'
+            prefixes.append('/' + prefix + '/')
+        return common_path(prefixes)
+
+# View Inspectors #
+
+
+def field_to_schema(field):
+    title = force_str(field.label) if field.label else ''
+    description = force_str(field.help_text) if field.help_text else ''
+
+    if isinstance(field, (serializers.ListSerializer, serializers.ListField)):
+        child_schema = field_to_schema(field.child)
+        return coreschema.Array(
+            items=child_schema,
+            title=title,
+            description=description
+        )
+    elif isinstance(field, serializers.DictField):
+        return coreschema.Object(
+            title=title,
+            description=description
+        )
+    elif isinstance(field, serializers.Serializer):
+        return coreschema.Object(
+            properties=OrderedDict([
+                (key, field_to_schema(value))
+                for key, value
+                in field.fields.items()
+            ]),
+            title=title,
+            description=description
+        )
+    elif isinstance(field, serializers.ManyRelatedField):
+        related_field_schema = field_to_schema(field.child_relation)
+
+        return coreschema.Array(
+            items=related_field_schema,
+            title=title,
+            description=description
+        )
+    elif isinstance(field, serializers.PrimaryKeyRelatedField):
+        schema_cls = coreschema.String
+        model = getattr(field.queryset, 'model', None)
+        if model is not None:
+            model_field = model._meta.pk
+            if isinstance(model_field, models.AutoField):
+                schema_cls = coreschema.Integer
+        return schema_cls(title=title, description=description)
+    elif isinstance(field, serializers.RelatedField):
+        return coreschema.String(title=title, description=description)
+    elif isinstance(field, serializers.MultipleChoiceField):
+        return coreschema.Array(
+            items=coreschema.Enum(enum=list(field.choices)),
+            title=title,
+            description=description
+        )
+    elif isinstance(field, serializers.ChoiceField):
+        return coreschema.Enum(
+            enum=list(field.choices),
+            title=title,
+            description=description
+        )
+    elif isinstance(field, serializers.BooleanField):
+        return coreschema.Boolean(title=title, description=description)
+    elif isinstance(field, (serializers.DecimalField, serializers.FloatField)):
+        return coreschema.Number(title=title, description=description)
+    elif isinstance(field, serializers.IntegerField):
+        return coreschema.Integer(title=title, description=description)
+    elif isinstance(field, serializers.DateField):
+        return coreschema.String(
+            title=title,
+            description=description,
+            format='date'
+        )
+    elif isinstance(field, serializers.DateTimeField):
+        return coreschema.String(
+            title=title,
+            description=description,
+            format='date-time'
+        )
+    elif isinstance(field, serializers.JSONField):
+        return coreschema.Object(title=title, description=description)
+
+    if field.style.get('base_template') == 'textarea.html':
+        return coreschema.String(
+            title=title,
+            description=description,
+            format='textarea'
+        )
+
+    return coreschema.String(title=title, description=description)
+
+
+class AutoSchema(ViewInspector):
+    """
+    Default inspector for APIView
+
+    Responsible for per-view introspection and schema generation.
+    """
+    def __init__(self, manual_fields=None):
+        """
+        Parameters:
+
+        * `manual_fields`: list of `coreapi.Field` instances that
+            will be added to auto-generated fields, overwriting on `Field.name`
+        """
+        super(AutoSchema, self).__init__()
+        if manual_fields is None:
+            manual_fields = []
+        self._manual_fields = manual_fields
+
+    def get_link(self, path, method, base_url):
+        """
+        Generate `coreapi.Link` for self.view, path and method.
+
+        This is the main _public_ access point.
+
+        Parameters:
+
+        * path: Route path for view from URLConf.
+        * method: The HTTP request method.
+        * base_url: The project "mount point" as given to SchemaGenerator
+        """
+        fields = self.get_path_fields(path, method)
+        fields += self.get_serializer_fields(path, method)
+        fields += self.get_pagination_fields(path, method)
+        fields += self.get_filter_fields(path, method)
+
+        manual_fields = self.get_manual_fields(path, method)
+        fields = self.update_fields(fields, manual_fields)
+
+        if fields and any([field.location in ('form', 'body') for field in fields]):
+            encoding = self.get_encoding(path, method)
+        else:
+            encoding = None
+
+        description = self.get_description(path, method)
+
+        if base_url and path.startswith('/'):
+            path = path[1:]
+
+        return coreapi.Link(
+            url=parse.urljoin(base_url, path),
+            action=method.lower(),
+            encoding=encoding,
+            fields=fields,
+            description=description
+        )
+
+    def get_path_fields(self, path, method):
+        """
+        Return a list of `coreapi.Field` instances corresponding to any
+        templated path variables.
+        """
+        view = self.view
+        model = getattr(getattr(view, 'queryset', None), 'model', None)
+        fields = []
+
+        for variable in uritemplate.variables(path):
+            title = ''
+            description = ''
+            schema_cls = coreschema.String
+            kwargs = {}
+            if model is not None:
+                # Attempt to infer a field description if possible.
+                try:
+                    model_field = model._meta.get_field(variable)
+                except Exception:
+                    model_field = None
+
+                if model_field is not None and model_field.verbose_name:
+                    title = force_str(model_field.verbose_name)
+
+                if model_field is not None and model_field.help_text:
+                    description = force_str(model_field.help_text)
+                elif model_field is not None and model_field.primary_key:
+                    description = get_pk_description(model, model_field)
+
+                if hasattr(view, 'lookup_value_regex') and view.lookup_field == variable:
+                    kwargs['pattern'] = view.lookup_value_regex
+                elif isinstance(model_field, models.AutoField):
+                    schema_cls = coreschema.Integer
+
+            field = coreapi.Field(
+                name=variable,
+                location='path',
+                required=True,
+                schema=schema_cls(title=title, description=description, **kwargs)
+            )
+            fields.append(field)
+
+        return fields
+
+    def get_serializer_fields(self, path, method):
+        """
+        Return a list of `coreapi.Field` instances corresponding to any
+        request body input, as determined by the serializer class.
+        """
+        view = self.view
+
+        if method not in ('PUT', 'PATCH', 'POST'):
+            return []
+
+        if not hasattr(view, 'get_serializer'):
+            return []
+
+        try:
+            serializer = view.get_serializer()
+        except exceptions.APIException:
+            serializer = None
+            warnings.warn('{}.get_serializer() raised an exception during '
+                          'schema generation. Serializer fields will not be '
+                          'generated for {} {}.'
+                          .format(view.__class__.__name__, method, path))
+
+        if isinstance(serializer, serializers.ListSerializer):
+            return [
+                coreapi.Field(
+                    name='data',
+                    location='body',
+                    required=True,
+                    schema=coreschema.Array()
+                )
+            ]
+
+        if not isinstance(serializer, serializers.Serializer):
+            return []
+
+        fields = []
+        for field in serializer.fields.values():
+            if field.read_only or isinstance(field, serializers.HiddenField):
+                continue
+
+            required = field.required and method != 'PATCH'
+            field = coreapi.Field(
+                name=field.field_name,
+                location='form',
+                required=required,
+                schema=field_to_schema(field)
+            )
+            fields.append(field)
+
+        return fields
+
+    def get_pagination_fields(self, path, method):
+        view = self.view
+
+        if not is_list_view(path, method, view):
+            return []
+
+        pagination = getattr(view, 'pagination_class', None)
+        if not pagination:
+            return []
+
+        paginator = view.pagination_class()
+        return paginator.get_schema_fields(view)
+
+    def _allows_filters(self, path, method):
+        """
+        Determine whether to include filter Fields in schema.
+
+        Default implementation looks for ModelViewSet or GenericAPIView
+        actions/methods that cause filtering on the default implementation.
+
+        Override to adjust behaviour for your view.
+
+        Note: Introduced in v3.7: Initially "private" (i.e. with leading underscore)
+            to allow changes based on user experience.
+        """
+        if getattr(self.view, 'filter_backends', None) is None:
+            return False
+
+        if hasattr(self.view, 'action'):
+            return self.view.action in ["list", "retrieve", "update", "partial_update", "destroy"]
+
+        return method.lower() in ["get", "put", "patch", "delete"]
+
+    def get_filter_fields(self, path, method):
+        if not self._allows_filters(path, method):
+            return []
+
+        fields = []
+        for filter_backend in self.view.filter_backends:
+            fields += filter_backend().get_schema_fields(self.view)
+        return fields
+
+    def get_manual_fields(self, path, method):
+        return self._manual_fields
+
+    @staticmethod
+    def update_fields(fields, update_with):
+        """
+        Update list of coreapi.Field instances, overwriting on `Field.name`.
+
+        Utility function to handle replacing coreapi.Field fields
+        from a list by name. Used to handle `manual_fields`.
+
+        Parameters:
+
+        * `fields`: list of `coreapi.Field` instances to update
+        * `update_with: list of `coreapi.Field` instances to add or replace.
+        """
+        if not update_with:
+            return fields
+
+        by_name = OrderedDict((f.name, f) for f in fields)
+        for f in update_with:
+            by_name[f.name] = f
+        fields = list(by_name.values())
+        return fields
+
+    def get_encoding(self, path, method):
+        """
+        Return the 'encoding' parameter to use for a given endpoint.
+        """
+        view = self.view
+
+        # Core API supports the following request encodings over HTTP...
+        supported_media_types = {
+            'application/json',
+            'application/x-www-form-urlencoded',
+            'multipart/form-data',
+        }
+        parser_classes = getattr(view, 'parser_classes', [])
+        for parser_class in parser_classes:
+            media_type = getattr(parser_class, 'media_type', None)
+            if media_type in supported_media_types:
+                return media_type
+            # Raw binary uploads are supported with "application/octet-stream"
+            if media_type == '*/*':
+                return 'application/octet-stream'
+
+        return None
+
+
+class ManualSchema(ViewInspector):
+    """
+    Allows providing a list of coreapi.Fields,
+    plus an optional description.
+    """
+    def __init__(self, fields, description='', encoding=None):
+        """
+        Parameters:
+
+        * `fields`: list of `coreapi.Field` instances.
+        * `description`: String description for view. Optional.
+        """
+        super(ManualSchema, self).__init__()
+        assert all(isinstance(f, coreapi.Field) for f in fields), "`fields` must be a list of coreapi.Field instances"
+        self._fields = fields
+        self._description = description
+        self._encoding = encoding
+
+    def get_link(self, path, method, base_url):
+
+        if base_url and path.startswith('/'):
+            path = path[1:]
+
+        return coreapi.Link(
+            url=parse.urljoin(base_url, path),
+            action=method.lower(),
+            encoding=self._encoding,
+            fields=self._fields,
+            description=self._description
+        )
+
+
+def is_enabled():
+    """Is CoreAPI Mode enabled?"""
+    return issubclass(api_settings.DEFAULT_SCHEMA_CLASS, AutoSchema)
diff --git a/rest_framework/schemas/generators.py b/rest_framework/schemas/generators.py
index 2fe4927d8..4b6d82a14 100644
--- a/rest_framework/schemas/generators.py
+++ b/rest_framework/schemas/generators.py
@@ -3,38 +3,20 @@ generators.py   # Top-down schema generation
 
 See schemas.__init__.py for package overview.
 """
-import warnings
-from collections import Counter, OrderedDict
+import re
 from importlib import import_module
 
 from django.conf import settings
 from django.contrib.admindocs.views import simplify_regex
 from django.core.exceptions import PermissionDenied
 from django.http import Http404
-from django.utils import six
 
 from rest_framework import exceptions
-from rest_framework.compat import (
-    URLPattern, URLResolver, coreapi, coreschema, get_regex_pattern
-)
+from rest_framework.compat import URLPattern, URLResolver, get_original_route
 from rest_framework.request import clone_request
 from rest_framework.settings import api_settings
 from rest_framework.utils.model_meta import _get_pk
 
-from .utils import is_list_view
-
-
-def common_path(paths):
-    split_paths = [path.strip('/').split('/') for path in paths]
-    s1 = min(split_paths)
-    s2 = max(split_paths)
-    common = s1
-    for i, c in enumerate(s1):
-        if c != s2[i]:
-            common = s1[:i]
-            break
-    return '/' + '/'.join(common)
-
 
 def get_pk_name(model):
     meta = model._meta.concrete_model._meta
@@ -51,78 +33,6 @@ def is_api_view(callback):
     return (cls is not None) and issubclass(cls, APIView)
 
 
-INSERT_INTO_COLLISION_FMT = """
-Schema Naming Collision.
-
-coreapi.Link for URL path {value_url} cannot be inserted into schema.
-Position conflicts with coreapi.Link for URL path {target_url}.
-
-Attemped to insert link with keys: {keys}.
-
-Adjust URLs to avoid naming collision or override `SchemaGenerator.get_keys()`
-to customise schema structure.
-"""
-
-
-class LinkNode(OrderedDict):
-    def __init__(self):
-        self.links = []
-        self.methods_counter = Counter()
-        super(LinkNode, self).__init__()
-
-    def get_available_key(self, preferred_key):
-        if preferred_key not in self:
-            return preferred_key
-
-        while True:
-            current_val = self.methods_counter[preferred_key]
-            self.methods_counter[preferred_key] += 1
-
-            key = '{}_{}'.format(preferred_key, current_val)
-            if key not in self:
-                return key
-
-
-def insert_into(target, keys, value):
-    """
-    Nested dictionary insertion.
-
-    >>> example = {}
-    >>> insert_into(example, ['a', 'b', 'c'], 123)
-    >>> example
-    LinkNode({'a': LinkNode({'b': LinkNode({'c': LinkNode(links=[123])}}})))
-    """
-    for key in keys[:-1]:
-        if key not in target:
-            target[key] = LinkNode()
-        target = target[key]
-
-    try:
-        target.links.append((keys[-1], value))
-    except TypeError:
-        msg = INSERT_INTO_COLLISION_FMT.format(
-            value_url=value.url,
-            target_url=target.url,
-            keys=keys
-        )
-        raise ValueError(msg)
-
-
-def distribute_links(obj):
-    for key, value in obj.items():
-        distribute_links(value)
-
-    for preferred_key, link in obj.links:
-        key = obj.get_available_key(preferred_key)
-        obj[key] = link
-
-
-def is_custom_action(action):
-    return action not in {
-        'retrieve', 'list', 'create', 'update', 'partial_update', 'destroy'
-    }
-
-
 def endpoint_ordering(endpoint):
     path, method, callback = endpoint
     method_priority = {
@@ -132,10 +42,15 @@ def endpoint_ordering(endpoint):
         'PATCH': 3,
         'DELETE': 4
     }.get(method, 5)
-    return (path, method_priority)
+    return (method_priority,)
 
 
-class EndpointEnumerator(object):
+_PATH_PARAMETER_COMPONENT_RE = re.compile(
+    r'<(?:(?P<converter>[^>:]+):)?(?P<parameter>\w+)>'
+)
+
+
+class EndpointEnumerator:
     """
     A class to determine the available API endpoints that a project exposes.
     """
@@ -146,7 +61,7 @@ class EndpointEnumerator(object):
                 urlconf = settings.ROOT_URLCONF
 
             # Load the given URLconf module
-            if isinstance(urlconf, six.string_types):
+            if isinstance(urlconf, str):
                 urls = import_module(urlconf)
             else:
                 urls = urlconf
@@ -164,7 +79,7 @@ class EndpointEnumerator(object):
         api_endpoints = []
 
         for pattern in patterns:
-            path_regex = prefix + get_regex_pattern(pattern)
+            path_regex = prefix + get_original_route(pattern)
             if isinstance(pattern, URLPattern):
                 path = self.get_path_from_regex(path_regex)
                 callback = pattern.callback
@@ -180,17 +95,20 @@ class EndpointEnumerator(object):
                 )
                 api_endpoints.extend(nested_endpoints)
 
-        api_endpoints = sorted(api_endpoints, key=endpoint_ordering)
-
-        return api_endpoints
+        return sorted(api_endpoints, key=endpoint_ordering)
 
     def get_path_from_regex(self, path_regex):
         """
         Given a URL conf regex, return a URI template string.
         """
+        # ???: Would it be feasible to adjust this such that we generate the
+        # path, plus the kwargs, plus the type from the convertor, such that we
+        # could feed that straight into the parameter schema object?
+
         path = simplify_regex(path_regex)
-        path = path.replace('<', '{').replace('>', '}')
-        return path
+
+        # Strip Django 2.0 convertors as they are incompatible with uritemplate format
+        return re.sub(_PATH_PARAMETER_COMPONENT_RE, r'{\g<parameter>}', path)
 
     def should_include_endpoint(self, path, callback):
         """
@@ -199,17 +117,13 @@ class EndpointEnumerator(object):
         if not is_api_view(callback):
             return False  # Ignore anything except REST framework views.
 
-        if hasattr(callback.cls, 'exclude_from_schema'):
-            fmt = ("The `{}.exclude_from_schema` attribute is pending deprecation. "
-                   "Set `schema = None` instead.")
-            msg = fmt.format(callback.cls.__name__)
-            warnings.warn(msg, PendingDeprecationWarning)
-            if getattr(callback.cls, 'exclude_from_schema', False):
-                return False
-
         if callback.cls.schema is None:
             return False
 
+        if 'schema' in callback.initkwargs:
+            if callback.initkwargs['schema'] is None:
+                return False
+
         if path.endswith('.{format}') or path.endswith('.{format}/'):
             return False  # Ignore .json style URLs.
 
@@ -220,7 +134,7 @@ class EndpointEnumerator(object):
         Return a list of the valid HTTP methods for this endpoint.
         """
         if hasattr(callback, 'actions'):
-            actions = set(callback.actions.keys())
+            actions = set(callback.actions)
             http_method_names = set(callback.cls.http_method_names)
             methods = [method.upper() for method in actions & http_method_names]
         else:
@@ -229,74 +143,37 @@ class EndpointEnumerator(object):
         return [method for method in methods if method not in ('OPTIONS', 'HEAD')]
 
 
-class SchemaGenerator(object):
-    # Map HTTP methods onto actions.
-    default_mapping = {
-        'get': 'retrieve',
-        'post': 'create',
-        'put': 'update',
-        'patch': 'partial_update',
-        'delete': 'destroy',
-    }
+class BaseSchemaGenerator(object):
     endpoint_inspector_cls = EndpointEnumerator
 
-    # Map the method names we use for viewset actions onto external schema names.
-    # These give us names that are more suitable for the external representation.
-    # Set by 'SCHEMA_COERCE_METHOD_NAMES'.
-    coerce_method_names = None
-
     # 'pk' isn't great as an externally exposed name for an identifier,
     # so by default we prefer to use the actual model field name for schemas.
     # Set by 'SCHEMA_COERCE_PATH_PK'.
     coerce_path_pk = None
 
-    def __init__(self, title=None, url=None, description=None, patterns=None, urlconf=None):
-        assert coreapi, '`coreapi` must be installed for schema support.'
-        assert coreschema, '`coreschema` must be installed for schema support.'
-
+    def __init__(self, title=None, url=None, description=None, patterns=None, urlconf=None, version=None):
         if url and not url.endswith('/'):
             url += '/'
 
-        self.coerce_method_names = api_settings.SCHEMA_COERCE_METHOD_NAMES
         self.coerce_path_pk = api_settings.SCHEMA_COERCE_PATH_PK
 
         self.patterns = patterns
         self.urlconf = urlconf
         self.title = title
         self.description = description
+        self.version = version
         self.url = url
         self.endpoints = None
 
-    def get_schema(self, request=None, public=False):
-        """
-        Generate a `coreapi.Document` representing the API schema.
-        """
+    def _initialise_endpoints(self):
         if self.endpoints is None:
             inspector = self.endpoint_inspector_cls(self.patterns, self.urlconf)
             self.endpoints = inspector.get_api_endpoints()
 
-        links = self.get_links(None if public else request)
-        if not links:
-            return None
-
-        url = self.url
-        if not url and request is not None:
-            url = request.build_absolute_uri()
-
-        distribute_links(links)
-        return coreapi.Document(
-            title=self.title, description=self.description,
-            url=url, content=links
-        )
-
-    def get_links(self, request=None):
+    def _get_paths_and_endpoints(self, request):
         """
-        Return a dictionary containing all the links that should be
-        included in the API schema.
+        Generate (path, method, view) given (path, method, callback) for paths.
         """
-        links = LinkNode()
-
-        # Generate (path, method, view) given (path, method, callback).
         paths = []
         view_endpoints = []
         for path, method, callback in self.endpoints:
@@ -305,61 +182,13 @@ class SchemaGenerator(object):
             paths.append(path)
             view_endpoints.append((path, method, view))
 
-        # Only generate the path prefix for paths that will be included
-        if not paths:
-            return None
-        prefix = self.determine_path_prefix(paths)
-
-        for path, method, view in view_endpoints:
-            if not self.has_view_permissions(path, method, view):
-                continue
-            link = view.schema.get_link(path, method, base_url=self.url)
-            subpath = path[len(prefix):]
-            keys = self.get_keys(subpath, method, view)
-            insert_into(links, keys, link)
-
-        return links
-
-    # Methods used when we generate a view instance from the raw callback...
-
-    def determine_path_prefix(self, paths):
-        """
-        Given a list of all paths, return the common prefix which should be
-        discounted when generating a schema structure.
-
-        This will be the longest common string that does not include that last
-        component of the URL, or the last component before a path parameter.
-
-        For example:
-
-        /api/v1/users/
-        /api/v1/users/{pk}/
-
-        The path prefix is '/api/v1/'
-        """
-        prefixes = []
-        for path in paths:
-            components = path.strip('/').split('/')
-            initial_components = []
-            for component in components:
-                if '{' in component:
-                    break
-                initial_components.append(component)
-            prefix = '/'.join(initial_components[:-1])
-            if not prefix:
-                # We can just break early in the case that there's at least
-                # one URL that doesn't have a path prefix.
-                return '/'
-            prefixes.append('/' + prefix + '/')
-        return common_path(prefixes)
+        return paths, view_endpoints
 
     def create_view(self, callback, method, request=None):
         """
         Given a callback, return an actual view instance.
         """
-        view = callback.cls()
-        for attr, val in getattr(callback, 'initkwargs', {}).items():
-            setattr(view, attr, val)
+        view = callback.cls(**getattr(callback, 'initkwargs', {}))
         view.args = ()
         view.kwargs = {}
         view.format_kwarg = None
@@ -378,19 +207,6 @@ class SchemaGenerator(object):
 
         return view
 
-    def has_view_permissions(self, path, method, view):
-        """
-        Return `True` if the incoming request has the correct view permissions.
-        """
-        if view.request is None:
-            return True
-
-        try:
-            view.check_permissions(view.request)
-        except (exceptions.APIException, Http404, PermissionDenied):
-            return False
-        return True
-
     def coerce_path(self, path, method, view):
         """
         Coerce {pk} path arguments into the name of the model field,
@@ -406,48 +222,18 @@ class SchemaGenerator(object):
             field_name = 'id'
         return path.replace('{pk}', '{%s}' % field_name)
 
-    # Method for generating the link layout....
+    def get_schema(self, request=None, public=False):
+        raise NotImplementedError(".get_schema() must be implemented in subclasses.")
 
-    def get_keys(self, subpath, method, view):
+    def has_view_permissions(self, path, method, view):
         """
-        Return a list of keys that should be used to layout a link within
-        the schema document.
-
-        /users/                   ("users", "list"), ("users", "create")
-        /users/{pk}/              ("users", "read"), ("users", "update"), ("users", "delete")
-        /users/enabled/           ("users", "enabled")  # custom viewset list action
-        /users/{pk}/star/         ("users", "star")     # custom viewset detail action
-        /users/{pk}/groups/       ("users", "groups", "list"), ("users", "groups", "create")
-        /users/{pk}/groups/{pk}/  ("users", "groups", "read"), ("users", "groups", "update"), ("users", "groups", "delete")
+        Return `True` if the incoming request has the correct view permissions.
         """
-        if hasattr(view, 'action'):
-            # Viewsets have explicitly named actions.
-            action = view.action
-        else:
-            # Views have no associated action, so we determine one from the method.
-            if is_list_view(subpath, method, view):
-                action = 'list'
-            else:
-                action = self.default_mapping[method.lower()]
+        if view.request is None:
+            return True
 
-        named_path_components = [
-            component for component
-            in subpath.strip('/').split('/')
-            if '{' not in component
-        ]
-
-        if is_custom_action(action):
-            # Custom action, eg "/users/{pk}/activate/", "/users/active/"
-            if len(view.action_map) > 1:
-                action = self.default_mapping[method.lower()]
-                if action in self.coerce_method_names:
-                    action = self.coerce_method_names[action]
-                return named_path_components + [action]
-            else:
-                return named_path_components[:-1] + [action]
-
-        if action in self.coerce_method_names:
-            action = self.coerce_method_names[action]
-
-        # Default action, eg "/users/", "/users/{pk}/"
-        return named_path_components + [action]
+        try:
+            view.check_permissions(view.request)
+        except (exceptions.APIException, Http404, PermissionDenied):
+            return False
+        return True
diff --git a/rest_framework/schemas/inspectors.py b/rest_framework/schemas/inspectors.py
index 008d7c091..3b7e7f963 100644
--- a/rest_framework/schemas/inspectors.py
+++ b/rest_framework/schemas/inspectors.py
@@ -4,113 +4,27 @@ inspectors.py   # Per-endpoint view introspection
 See schemas.__init__.py for package overview.
 """
 import re
-import warnings
-from collections import OrderedDict
+from weakref import WeakKeyDictionary
 
-from django.db import models
-from django.utils.encoding import force_text, smart_text
-from django.utils.six.moves.urllib import parse as urlparse
-from django.utils.translation import ugettext_lazy as _
+from django.utils.encoding import smart_text
 
-from rest_framework import exceptions, serializers
-from rest_framework.compat import coreapi, coreschema, uritemplate
 from rest_framework.settings import api_settings
 from rest_framework.utils import formatting
 
-from .utils import is_list_view
 
-header_regex = re.compile('^[a-zA-Z][0-9A-Za-z_]*:')
-
-
-def field_to_schema(field):
-    title = force_text(field.label) if field.label else ''
-    description = force_text(field.help_text) if field.help_text else ''
-
-    if isinstance(field, (serializers.ListSerializer, serializers.ListField)):
-        child_schema = field_to_schema(field.child)
-        return coreschema.Array(
-            items=child_schema,
-            title=title,
-            description=description
-        )
-    elif isinstance(field, serializers.Serializer):
-        return coreschema.Object(
-            properties=OrderedDict([
-                (key, field_to_schema(value))
-                for key, value
-                in field.fields.items()
-            ]),
-            title=title,
-            description=description
-        )
-    elif isinstance(field, serializers.ManyRelatedField):
-        return coreschema.Array(
-            items=coreschema.String(),
-            title=title,
-            description=description
-        )
-    elif isinstance(field, serializers.RelatedField):
-        return coreschema.String(title=title, description=description)
-    elif isinstance(field, serializers.MultipleChoiceField):
-        return coreschema.Array(
-            items=coreschema.Enum(enum=list(field.choices.keys())),
-            title=title,
-            description=description
-        )
-    elif isinstance(field, serializers.ChoiceField):
-        return coreschema.Enum(
-            enum=list(field.choices.keys()),
-            title=title,
-            description=description
-        )
-    elif isinstance(field, serializers.BooleanField):
-        return coreschema.Boolean(title=title, description=description)
-    elif isinstance(field, (serializers.DecimalField, serializers.FloatField)):
-        return coreschema.Number(title=title, description=description)
-    elif isinstance(field, serializers.IntegerField):
-        return coreschema.Integer(title=title, description=description)
-    elif isinstance(field, serializers.DateField):
-        return coreschema.String(
-            title=title,
-            description=description,
-            format='date'
-        )
-    elif isinstance(field, serializers.DateTimeField):
-        return coreschema.String(
-            title=title,
-            description=description,
-            format='date-time'
-        )
-
-    if field.style.get('base_template') == 'textarea.html':
-        return coreschema.String(
-            title=title,
-            description=description,
-            format='textarea'
-        )
-    return coreschema.String(title=title, description=description)
-
-
-def get_pk_description(model, model_field):
-    if isinstance(model_field, models.AutoField):
-        value_type = _('unique integer value')
-    elif isinstance(model_field, models.UUIDField):
-        value_type = _('UUID string')
-    else:
-        value_type = _('unique value')
-
-    return _('A {value_type} identifying this {name}.').format(
-        value_type=value_type,
-        name=model._meta.verbose_name,
-    )
-
-
-class ViewInspector(object):
+class ViewInspector:
     """
     Descriptor class on APIView.
 
     Provide subclass for per-view schema generation
     """
+
+    # Used in _get_description_section()
+    header_regex = re.compile('^[a-zA-Z][0-9A-Za-z_]*:')
+
+    def __init__(self):
+        self.instance_schemas = WeakKeyDictionary()
+
     def __get__(self, instance, owner):
         """
         Enables `ViewInspector` as a Python _Descriptor_.
@@ -127,13 +41,24 @@ class ViewInspector(object):
         See: https://docs.python.org/3/howto/descriptor.html for info on
         descriptor usage.
         """
+        if instance in self.instance_schemas:
+            return self.instance_schemas[instance]
+
         self.view = instance
         return self
 
+    def __set__(self, instance, other):
+        self.instance_schemas[instance] = other
+        if other is not None:
+            other.view = instance
+
     @property
     def view(self):
         """View property."""
-        assert self._view is not None, "Schema generation REQUIRES a view instance. (Hint: you accessed `schema` from the view class rather than an instance.)"
+        assert self._view is not None, (
+            "Schema generation REQUIRES a view instance. (Hint: you accessed "
+            "`schema` from the view class rather than an instance.)"
+        )
         return self._view
 
     @view.setter
@@ -144,68 +69,9 @@ class ViewInspector(object):
     def view(self):
         self._view = None
 
-    def get_link(self, path, method, base_url):
-        """
-        Generate `coreapi.Link` for self.view, path and method.
-
-        This is the main _public_ access point.
-
-        Parameters:
-
-        * path: Route path for view from URLConf.
-        * method: The HTTP request method.
-        * base_url: The project "mount point" as given to SchemaGenerator
-        """
-        raise NotImplementedError(".get_link() must be overridden.")
-
-
-class AutoSchema(ViewInspector):
-    """
-    Default inspector for APIView
-
-    Responsible for per-view instrospection and schema generation.
-    """
-    def __init__(self, manual_fields=None):
-        """
-        Parameters:
-
-        * `manual_fields`: list of `coreapi.Field` instances that
-            will be added to auto-generated fields, overwriting on `Field.name`
-        """
-        if manual_fields is None:
-            manual_fields = []
-        self._manual_fields = manual_fields
-
-    def get_link(self, path, method, base_url):
-        fields = self.get_path_fields(path, method)
-        fields += self.get_serializer_fields(path, method)
-        fields += self.get_pagination_fields(path, method)
-        fields += self.get_filter_fields(path, method)
-
-        manual_fields = self.get_manual_fields(path, method)
-        fields = self.update_fields(fields, manual_fields)
-
-        if fields and any([field.location in ('form', 'body') for field in fields]):
-            encoding = self.get_encoding(path, method)
-        else:
-            encoding = None
-
-        description = self.get_description(path, method)
-
-        if base_url and path.startswith('/'):
-            path = path[1:]
-
-        return coreapi.Link(
-            url=urlparse.urljoin(base_url, path),
-            action=method.lower(),
-            encoding=encoding,
-            fields=fields,
-            description=description
-        )
-
     def get_description(self, path, method):
         """
-        Determine a link description.
+        Determine a path description.
 
         This will be based on the method docstring if one exists,
         or else the class docstring.
@@ -216,23 +82,25 @@ class AutoSchema(ViewInspector):
         method_docstring = getattr(view, method_name, None).__doc__
         if method_docstring:
             # An explicit docstring on the method or action.
-            return formatting.dedent(smart_text(method_docstring))
+            return self._get_description_section(view, method.lower(), formatting.dedent(smart_text(method_docstring)))
+        else:
+            return self._get_description_section(view, getattr(view, 'action', method.lower()),
+                                                 view.get_view_description())
 
-        description = view.get_view_description()
+    def _get_description_section(self, view, header, description):
         lines = [line for line in description.splitlines()]
         current_section = ''
         sections = {'': ''}
 
         for line in lines:
-            if header_regex.match(line):
-                current_section, seperator, lead = line.partition(':')
+            if self.header_regex.match(line):
+                current_section, separator, lead = line.partition(':')
                 sections[current_section] = lead.strip()
             else:
                 sections[current_section] += '\n' + line
 
         # TODO: SCHEMA_COERCE_METHOD_NAMES appears here and in `SchemaGenerator.get_keys`
         coerce_method_names = api_settings.SCHEMA_COERCE_METHOD_NAMES
-        header = getattr(view, 'action', method.lower())
         if header in sections:
             return sections[header].strip()
         if header in coerce_method_names:
@@ -240,219 +108,18 @@ class AutoSchema(ViewInspector):
                 return sections[coerce_method_names[header]].strip()
         return sections[''].strip()
 
-    def get_path_fields(self, path, method):
-        """
-        Return a list of `coreapi.Field` instances corresponding to any
-        templated path variables.
-        """
-        view = self.view
-        model = getattr(getattr(view, 'queryset', None), 'model', None)
-        fields = []
 
-        for variable in uritemplate.variables(path):
-            title = ''
-            description = ''
-            schema_cls = coreschema.String
-            kwargs = {}
-            if model is not None:
-                # Attempt to infer a field description if possible.
-                try:
-                    model_field = model._meta.get_field(variable)
-                except Exception:
-                    model_field = None
+class DefaultSchema(ViewInspector):
+    """Allows overriding AutoSchema using DEFAULT_SCHEMA_CLASS setting"""
+    def __get__(self, instance, owner):
+        result = super().__get__(instance, owner)
+        if not isinstance(result, DefaultSchema):
+            return result
 
-                if model_field is not None and model_field.verbose_name:
-                    title = force_text(model_field.verbose_name)
-
-                if model_field is not None and model_field.help_text:
-                    description = force_text(model_field.help_text)
-                elif model_field is not None and model_field.primary_key:
-                    description = get_pk_description(model, model_field)
-
-                if hasattr(view, 'lookup_value_regex') and view.lookup_field == variable:
-                    kwargs['pattern'] = view.lookup_value_regex
-                elif isinstance(model_field, models.AutoField):
-                    schema_cls = coreschema.Integer
-
-            field = coreapi.Field(
-                name=variable,
-                location='path',
-                required=True,
-                schema=schema_cls(title=title, description=description, **kwargs)
-            )
-            fields.append(field)
-
-        return fields
-
-    def get_serializer_fields(self, path, method):
-        """
-        Return a list of `coreapi.Field` instances corresponding to any
-        request body input, as determined by the serializer class.
-        """
-        view = self.view
-
-        if method not in ('PUT', 'PATCH', 'POST'):
-            return []
-
-        if not hasattr(view, 'get_serializer'):
-            return []
-
-        try:
-            serializer = view.get_serializer()
-        except exceptions.APIException:
-            serializer = None
-            warnings.warn('{}.get_serializer() raised an exception during '
-                          'schema generation. Serializer fields will not be '
-                          'generated for {} {}.'
-                          .format(view.__class__.__name__, method, path))
-
-        if isinstance(serializer, serializers.ListSerializer):
-            return [
-                coreapi.Field(
-                    name='data',
-                    location='body',
-                    required=True,
-                    schema=coreschema.Array()
-                )
-            ]
-
-        if not isinstance(serializer, serializers.Serializer):
-            return []
-
-        fields = []
-        for field in serializer.fields.values():
-            if field.read_only or isinstance(field, serializers.HiddenField):
-                continue
-
-            required = field.required and method != 'PATCH'
-            field = coreapi.Field(
-                name=field.field_name,
-                location='form',
-                required=required,
-                schema=field_to_schema(field)
-            )
-            fields.append(field)
-
-        return fields
-
-    def get_pagination_fields(self, path, method):
-        view = self.view
-
-        if not is_list_view(path, method, view):
-            return []
-
-        pagination = getattr(view, 'pagination_class', None)
-        if not pagination:
-            return []
-
-        paginator = view.pagination_class()
-        return paginator.get_schema_fields(view)
-
-    def _allows_filters(self, path, method):
-        """
-        Determine whether to include filter Fields in schema.
-
-        Default implementation looks for ModelViewSet or GenericAPIView
-        actions/methods that cause filtering on the default implementation.
-
-        Override to adjust behaviour for your view.
-
-        Note: Introduced in v3.7: Initially "private" (i.e. with leading underscore)
-            to allow changes based on user experience.
-        """
-        if getattr(self.view, 'filter_backends', None) is None:
-            return False
-
-        if hasattr(self.view, 'action'):
-            return self.view.action in ["list", "retrieve", "update", "partial_update", "destroy"]
-
-        return method.lower() in ["get", "put", "patch", "delete"]
-
-    def get_filter_fields(self, path, method):
-        if not self._allows_filters(path, method):
-            return []
-
-        fields = []
-        for filter_backend in self.view.filter_backends:
-            fields += filter_backend().get_schema_fields(self.view)
-        return fields
-
-    def get_manual_fields(self, path, method):
-        return self._manual_fields
-
-    @staticmethod
-    def update_fields(fields, update_with):
-        """
-        Update list of coreapi.Field instances, overwriting on `Field.name`.
-
-        Utility function to handle replacing coreapi.Field fields
-        from a list by name. Used to handle `manual_fields`.
-
-        Parameters:
-
-        * `fields`: list of `coreapi.Field` instances to update
-        * `update_with: list of `coreapi.Field` instances to add or replace.
-        """
-        if not update_with:
-            return fields
-
-        by_name = OrderedDict((f.name, f) for f in fields)
-        for f in update_with:
-            by_name[f.name] = f
-        fields = list(by_name.values())
-        return fields
-
-    def get_encoding(self, path, method):
-        """
-        Return the 'encoding' parameter to use for a given endpoint.
-        """
-        view = self.view
-
-        # Core API supports the following request encodings over HTTP...
-        supported_media_types = {
-            'application/json',
-            'application/x-www-form-urlencoded',
-            'multipart/form-data',
-        }
-        parser_classes = getattr(view, 'parser_classes', [])
-        for parser_class in parser_classes:
-            media_type = getattr(parser_class, 'media_type', None)
-            if media_type in supported_media_types:
-                return media_type
-            # Raw binary uploads are supported with "application/octet-stream"
-            if media_type == '*/*':
-                return 'application/octet-stream'
-
-        return None
-
-
-class ManualSchema(ViewInspector):
-    """
-    Allows providing a list of coreapi.Fields,
-    plus an optional description.
-    """
-    def __init__(self, fields, description=''):
-        """
-        Parameters:
-
-        * `fields`: list of `coreapi.Field` instances.
-        * `descripton`: String description for view. Optional.
-        """
-        assert all(isinstance(f, coreapi.Field) for f in fields), "`fields` must be a list of coreapi.Field instances"
-        self._fields = fields
-        self._description = description
-
-    def get_link(self, path, method, base_url):
-
-        if base_url and path.startswith('/'):
-            path = path[1:]
-
-        return coreapi.Link(
-            url=urlparse.urljoin(base_url, path),
-            action=method.lower(),
-            encoding=None,
-            fields=self._fields,
-            description=self._description
+        inspector_class = api_settings.DEFAULT_SCHEMA_CLASS
+        assert issubclass(inspector_class, ViewInspector), (
+            "DEFAULT_SCHEMA_CLASS must be set to a ViewInspector (usually an AutoSchema) subclass"
         )
-
-        return self._link
+        inspector = inspector_class()
+        inspector.view = instance
+        return inspector
diff --git a/rest_framework/schemas/openapi.py b/rest_framework/schemas/openapi.py
new file mode 100644
index 000000000..134df5043
--- /dev/null
+++ b/rest_framework/schemas/openapi.py
@@ -0,0 +1,554 @@
+import warnings
+from operator import attrgetter
+from urllib.parse import urljoin
+
+from django.core.validators import (
+    DecimalValidator, EmailValidator, MaxLengthValidator, MaxValueValidator,
+    MinLengthValidator, MinValueValidator, RegexValidator, URLValidator
+)
+from django.db import models
+from django.utils.encoding import force_str
+
+from rest_framework import exceptions, renderers, serializers
+from rest_framework.compat import uritemplate
+from rest_framework.fields import _UnvalidatedField, empty
+
+from .generators import BaseSchemaGenerator
+from .inspectors import ViewInspector
+from .utils import get_pk_description, is_list_view
+
+
+class SchemaGenerator(BaseSchemaGenerator):
+
+    def get_info(self):
+        # Title and version are required by openapi specification 3.x
+        info = {
+            'title': self.title or '',
+            'version': self.version or ''
+        }
+
+        if self.description is not None:
+            info['description'] = self.description
+
+        return info
+
+    def get_paths(self, request=None):
+        result = {}
+
+        paths, view_endpoints = self._get_paths_and_endpoints(request)
+
+        # Only generate the path prefix for paths that will be included
+        if not paths:
+            return None
+
+        for path, method, view in view_endpoints:
+            if not self.has_view_permissions(path, method, view):
+                continue
+            operation = view.schema.get_operation(path, method)
+            # Normalise path for any provided mount url.
+            if path.startswith('/'):
+                path = path[1:]
+            path = urljoin(self.url or '/', path)
+
+            result.setdefault(path, {})
+            result[path][method.lower()] = operation
+
+        return result
+
+    def get_schema(self, request=None, public=False):
+        """
+        Generate a OpenAPI schema.
+        """
+        self._initialise_endpoints()
+
+        paths = self.get_paths(None if public else request)
+        if not paths:
+            return None
+
+        schema = {
+            'openapi': '3.0.2',
+            'info': self.get_info(),
+            'paths': paths,
+        }
+
+        return schema
+
+# View Inspectors
+
+
+class AutoSchema(ViewInspector):
+
+    request_media_types = []
+    response_media_types = []
+
+    method_mapping = {
+        'get': 'Retrieve',
+        'post': 'Create',
+        'put': 'Update',
+        'patch': 'PartialUpdate',
+        'delete': 'Destroy',
+    }
+
+    def get_operation(self, path, method):
+        operation = {}
+
+        operation['operationId'] = self._get_operation_id(path, method)
+        operation['description'] = self.get_description(path, method)
+
+        parameters = []
+        parameters += self._get_path_parameters(path, method)
+        parameters += self._get_pagination_parameters(path, method)
+        parameters += self._get_filter_parameters(path, method)
+        operation['parameters'] = parameters
+
+        request_body = self._get_request_body(path, method)
+        if request_body:
+            operation['requestBody'] = request_body
+        operation['responses'] = self._get_responses(path, method)
+
+        return operation
+
+    def _get_operation_id(self, path, method):
+        """
+        Compute an operation ID from the model, serializer or view name.
+        """
+        method_name = getattr(self.view, 'action', method.lower())
+        if is_list_view(path, method, self.view):
+            action = 'list'
+        elif method_name not in self.method_mapping:
+            action = method_name
+        else:
+            action = self.method_mapping[method.lower()]
+
+        # Try to deduce the ID from the view's model
+        model = getattr(getattr(self.view, 'queryset', None), 'model', None)
+        if model is not None:
+            name = model.__name__
+
+        # Try with the serializer class name
+        elif hasattr(self.view, 'get_serializer_class'):
+            name = self.view.get_serializer_class().__name__
+            if name.endswith('Serializer'):
+                name = name[:-10]
+
+        # Fallback to the view name
+        else:
+            name = self.view.__class__.__name__
+            if name.endswith('APIView'):
+                name = name[:-7]
+            elif name.endswith('View'):
+                name = name[:-4]
+
+            # Due to camel-casing of classes and `action` being lowercase, apply title in order to find if action truly
+            # comes at the end of the name
+            if name.endswith(action.title()):  # ListView, UpdateAPIView, ThingDelete ...
+                name = name[:-len(action)]
+
+        if action == 'list' and not name.endswith('s'):  # listThings instead of listThing
+            name += 's'
+
+        return action + name
+
+    def _get_path_parameters(self, path, method):
+        """
+        Return a list of parameters from templated path variables.
+        """
+        assert uritemplate, '`uritemplate` must be installed for OpenAPI schema support.'
+
+        model = getattr(getattr(self.view, 'queryset', None), 'model', None)
+        parameters = []
+
+        for variable in uritemplate.variables(path):
+            description = ''
+            if model is not None:  # TODO: test this.
+                # Attempt to infer a field description if possible.
+                try:
+                    model_field = model._meta.get_field(variable)
+                except Exception:
+                    model_field = None
+
+                if model_field is not None and model_field.help_text:
+                    description = force_str(model_field.help_text)
+                elif model_field is not None and model_field.primary_key:
+                    description = get_pk_description(model, model_field)
+
+            parameter = {
+                "name": variable,
+                "in": "path",
+                "required": True,
+                "description": description,
+                'schema': {
+                    'type': 'string',  # TODO: integer, pattern, ...
+                },
+            }
+            parameters.append(parameter)
+
+        return parameters
+
+    def _get_filter_parameters(self, path, method):
+        if not self._allows_filters(path, method):
+            return []
+        parameters = []
+        for filter_backend in self.view.filter_backends:
+            parameters += filter_backend().get_schema_operation_parameters(self.view)
+        return parameters
+
+    def _allows_filters(self, path, method):
+        """
+        Determine whether to include filter Fields in schema.
+
+        Default implementation looks for ModelViewSet or GenericAPIView
+        actions/methods that cause filtering on the default implementation.
+        """
+        if getattr(self.view, 'filter_backends', None) is None:
+            return False
+        if hasattr(self.view, 'action'):
+            return self.view.action in ["list", "retrieve", "update", "partial_update", "destroy"]
+        return method.lower() in ["get", "put", "patch", "delete"]
+
+    def _get_pagination_parameters(self, path, method):
+        view = self.view
+
+        if not is_list_view(path, method, view):
+            return []
+
+        paginator = self._get_paginator()
+        if not paginator:
+            return []
+
+        return paginator.get_schema_operation_parameters(view)
+
+    def _map_field(self, field):
+
+        # Nested Serializers, `many` or not.
+        if isinstance(field, serializers.ListSerializer):
+            return {
+                'type': 'array',
+                'items': self._map_serializer(field.child)
+            }
+        if isinstance(field, serializers.Serializer):
+            data = self._map_serializer(field)
+            data['type'] = 'object'
+            return data
+
+        # Related fields.
+        if isinstance(field, serializers.ManyRelatedField):
+            return {
+                'type': 'array',
+                'items': self._map_field(field.child_relation)
+            }
+        if isinstance(field, serializers.PrimaryKeyRelatedField):
+            model = getattr(field.queryset, 'model', None)
+            if model is not None:
+                model_field = model._meta.pk
+                if isinstance(model_field, models.AutoField):
+                    return {'type': 'integer'}
+
+        # ChoiceFields (single and multiple).
+        # Q:
+        # - Is 'type' required?
+        # - can we determine the TYPE of a choicefield?
+        if isinstance(field, serializers.MultipleChoiceField):
+            return {
+                'type': 'array',
+                'items': {
+                    'enum': list(field.choices)
+                },
+            }
+
+        if isinstance(field, serializers.ChoiceField):
+            return {
+                'enum': list(field.choices),
+            }
+
+        # ListField.
+        if isinstance(field, serializers.ListField):
+            mapping = {
+                'type': 'array',
+                'items': {},
+            }
+            if not isinstance(field.child, _UnvalidatedField):
+                map_field = self._map_field(field.child)
+                items = {
+                    "type": map_field.get('type')
+                }
+                if 'format' in map_field:
+                    items['format'] = map_field.get('format')
+                mapping['items'] = items
+            return mapping
+
+        # DateField and DateTimeField type is string
+        if isinstance(field, serializers.DateField):
+            return {
+                'type': 'string',
+                'format': 'date',
+            }
+
+        if isinstance(field, serializers.DateTimeField):
+            return {
+                'type': 'string',
+                'format': 'date-time',
+            }
+
+        # "Formats such as "email", "uuid", and so on, MAY be used even though undefined by this specification."
+        # see: https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#data-types
+        # see also: https://swagger.io/docs/specification/data-models/data-types/#string
+        if isinstance(field, serializers.EmailField):
+            return {
+                'type': 'string',
+                'format': 'email'
+            }
+
+        if isinstance(field, serializers.URLField):
+            return {
+                'type': 'string',
+                'format': 'uri'
+            }
+
+        if isinstance(field, serializers.UUIDField):
+            return {
+                'type': 'string',
+                'format': 'uuid'
+            }
+
+        if isinstance(field, serializers.IPAddressField):
+            content = {
+                'type': 'string',
+            }
+            if field.protocol != 'both':
+                content['format'] = field.protocol
+            return content
+
+        # DecimalField has multipleOf based on decimal_places
+        if isinstance(field, serializers.DecimalField):
+            content = {
+                'type': 'number'
+            }
+            if field.decimal_places:
+                content['multipleOf'] = float('.' + (field.decimal_places - 1) * '0' + '1')
+            if field.max_whole_digits:
+                content['maximum'] = int(field.max_whole_digits * '9') + 1
+                content['minimum'] = -content['maximum']
+            self._map_min_max(field, content)
+            return content
+
+        if isinstance(field, serializers.FloatField):
+            content = {
+                'type': 'number'
+            }
+            self._map_min_max(field, content)
+            return content
+
+        if isinstance(field, serializers.IntegerField):
+            content = {
+                'type': 'integer'
+            }
+            self._map_min_max(field, content)
+            # 2147483647 is max for int32_size, so we use int64 for format
+            if int(content.get('maximum', 0)) > 2147483647 or int(content.get('minimum', 0)) > 2147483647:
+                content['format'] = 'int64'
+            return content
+
+        if isinstance(field, serializers.FileField):
+            return {
+                'type': 'string',
+                'format': 'binary'
+            }
+
+        # Simplest cases, default to 'string' type:
+        FIELD_CLASS_SCHEMA_TYPE = {
+            serializers.BooleanField: 'boolean',
+            serializers.JSONField: 'object',
+            serializers.DictField: 'object',
+            serializers.HStoreField: 'object',
+        }
+        return {'type': FIELD_CLASS_SCHEMA_TYPE.get(field.__class__, 'string')}
+
+    def _map_min_max(self, field, content):
+        if field.max_value:
+            content['maximum'] = field.max_value
+        if field.min_value:
+            content['minimum'] = field.min_value
+
+    def _map_serializer(self, serializer):
+        # Assuming we have a valid serializer instance.
+        # TODO:
+        #   - field is Nested or List serializer.
+        #   - Handle read_only/write_only for request/response differences.
+        #       - could do this with readOnly/writeOnly and then filter dict.
+        required = []
+        properties = {}
+
+        for field in serializer.fields.values():
+            if isinstance(field, serializers.HiddenField):
+                continue
+
+            if field.required:
+                required.append(field.field_name)
+
+            schema = self._map_field(field)
+            if field.read_only:
+                schema['readOnly'] = True
+            if field.write_only:
+                schema['writeOnly'] = True
+            if field.allow_null:
+                schema['nullable'] = True
+            if field.default and field.default != empty:  # why don't they use None?!
+                schema['default'] = field.default
+            if field.help_text:
+                schema['description'] = str(field.help_text)
+            self._map_field_validators(field, schema)
+
+            properties[field.field_name] = schema
+
+        result = {
+            'properties': properties
+        }
+        if required:
+            result['required'] = required
+
+        return result
+
+    def _map_field_validators(self, field, schema):
+        """
+        map field validators
+        """
+        for v in field.validators:
+            # "Formats such as "email", "uuid", and so on, MAY be used even though undefined by this specification."
+            # https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#data-types
+            if isinstance(v, EmailValidator):
+                schema['format'] = 'email'
+            if isinstance(v, URLValidator):
+                schema['format'] = 'uri'
+            if isinstance(v, RegexValidator):
+                schema['pattern'] = v.regex.pattern
+            elif isinstance(v, MaxLengthValidator):
+                attr_name = 'maxLength'
+                if isinstance(field, serializers.ListField):
+                    attr_name = 'maxItems'
+                schema[attr_name] = v.limit_value
+            elif isinstance(v, MinLengthValidator):
+                attr_name = 'minLength'
+                if isinstance(field, serializers.ListField):
+                    attr_name = 'minItems'
+                schema[attr_name] = v.limit_value
+            elif isinstance(v, MaxValueValidator):
+                schema['maximum'] = v.limit_value
+            elif isinstance(v, MinValueValidator):
+                schema['minimum'] = v.limit_value
+            elif isinstance(v, DecimalValidator):
+                if v.decimal_places:
+                    schema['multipleOf'] = float('.' + (v.decimal_places - 1) * '0' + '1')
+                if v.max_digits:
+                    digits = v.max_digits
+                    if v.decimal_places is not None and v.decimal_places > 0:
+                        digits -= v.decimal_places
+                    schema['maximum'] = int(digits * '9') + 1
+                    schema['minimum'] = -schema['maximum']
+
+    def _get_paginator(self):
+        pagination_class = getattr(self.view, 'pagination_class', None)
+        if pagination_class:
+            return pagination_class()
+        return None
+
+    def map_parsers(self, path, method):
+        return list(map(attrgetter('media_type'), self.view.parser_classes))
+
+    def map_renderers(self, path, method):
+        media_types = []
+        for renderer in self.view.renderer_classes:
+            # BrowsableAPIRenderer not relevant to OpenAPI spec
+            if renderer == renderers.BrowsableAPIRenderer:
+                continue
+            media_types.append(renderer.media_type)
+        return media_types
+
+    def _get_serializer(self, method, path):
+        view = self.view
+
+        if not hasattr(view, 'get_serializer'):
+            return None
+
+        try:
+            return view.get_serializer()
+        except exceptions.APIException:
+            warnings.warn('{}.get_serializer() raised an exception during '
+                          'schema generation. Serializer fields will not be '
+                          'generated for {} {}.'
+                          .format(view.__class__.__name__, method, path))
+            return None
+
+    def _get_request_body(self, path, method):
+        if method not in ('PUT', 'PATCH', 'POST'):
+            return {}
+
+        self.request_media_types = self.map_parsers(path, method)
+
+        serializer = self._get_serializer(path, method)
+
+        if not isinstance(serializer, serializers.Serializer):
+            return {}
+
+        content = self._map_serializer(serializer)
+        # No required fields for PATCH
+        if method == 'PATCH':
+            content.pop('required', None)
+        # No read_only fields for request.
+        for name, schema in content['properties'].copy().items():
+            if 'readOnly' in schema:
+                del content['properties'][name]
+
+        return {
+            'content': {
+                ct: {'schema': content}
+                for ct in self.request_media_types
+            }
+        }
+
+    def _get_responses(self, path, method):
+        # TODO: Handle multiple codes and pagination classes.
+        if method == 'DELETE':
+            return {
+                '204': {
+                    'description': ''
+                }
+            }
+
+        self.response_media_types = self.map_renderers(path, method)
+
+        item_schema = {}
+        serializer = self._get_serializer(path, method)
+
+        if isinstance(serializer, serializers.Serializer):
+            item_schema = self._map_serializer(serializer)
+            # No write_only fields for response.
+            for name, schema in item_schema['properties'].copy().items():
+                if 'writeOnly' in schema:
+                    del item_schema['properties'][name]
+                    if 'required' in item_schema:
+                        item_schema['required'] = [f for f in item_schema['required'] if f != name]
+
+        if is_list_view(path, method, self.view):
+            response_schema = {
+                'type': 'array',
+                'items': item_schema,
+            }
+            paginator = self._get_paginator()
+            if paginator:
+                response_schema = paginator.get_paginated_response_schema(response_schema)
+        else:
+            response_schema = item_schema
+
+        return {
+            '200': {
+                'content': {
+                    ct: {'schema': response_schema}
+                    for ct in self.response_media_types
+                },
+                # description is a mandatory property,
+                # https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#responseObject
+                # TODO: put something meaningful into it
+                'description': ""
+            }
+        }
diff --git a/rest_framework/schemas/utils.py b/rest_framework/schemas/utils.py
index 76437a20a..6724eb428 100644
--- a/rest_framework/schemas/utils.py
+++ b/rest_framework/schemas/utils.py
@@ -3,6 +3,9 @@ utils.py        # Shared helper functions
 
 See schemas.__init__.py for package overview.
 """
+from django.db import models
+from django.utils.translation import ugettext_lazy as _
+
 from rest_framework.mixins import RetrieveModelMixin
 
 
@@ -22,3 +25,17 @@ def is_list_view(path, method, view):
     if path_components and '{' in path_components[-1]:
         return False
     return True
+
+
+def get_pk_description(model, model_field):
+    if isinstance(model_field, models.AutoField):
+        value_type = _('unique integer value')
+    elif isinstance(model_field, models.UUIDField):
+        value_type = _('UUID string')
+    else:
+        value_type = _('unique value')
+
+    return _('A {value_type} identifying this {name}.').format(
+        value_type=value_type,
+        name=model._meta.verbose_name,
+    )
diff --git a/rest_framework/schemas/views.py b/rest_framework/schemas/views.py
index b13eadea9..527a23236 100644
--- a/rest_framework/schemas/views.py
+++ b/rest_framework/schemas/views.py
@@ -5,6 +5,7 @@ See schemas.__init__.py for package overview.
 """
 from rest_framework import exceptions, renderers
 from rest_framework.response import Response
+from rest_framework.schemas import coreapi
 from rest_framework.settings import api_settings
 from rest_framework.views import APIView
 
@@ -17,18 +18,31 @@ class SchemaView(APIView):
     public = False
 
     def __init__(self, *args, **kwargs):
-        super(SchemaView, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         if self.renderer_classes is None:
-            if renderers.BrowsableAPIRenderer in api_settings.DEFAULT_RENDERER_CLASSES:
+            if coreapi.is_enabled():
                 self.renderer_classes = [
-                    renderers.CoreJSONRenderer,
-                    renderers.BrowsableAPIRenderer,
+                    renderers.CoreAPIOpenAPIRenderer,
+                    renderers.CoreJSONRenderer
                 ]
             else:
-                self.renderer_classes = [renderers.CoreJSONRenderer]
+                self.renderer_classes = [
+                    renderers.OpenAPIRenderer,
+                    renderers.JSONOpenAPIRenderer,
+                ]
+            if renderers.BrowsableAPIRenderer in api_settings.DEFAULT_RENDERER_CLASSES:
+                self.renderer_classes += [renderers.BrowsableAPIRenderer]
 
     def get(self, request, *args, **kwargs):
         schema = self.schema_generator.get_schema(request, self.public)
         if schema is None:
             raise exceptions.PermissionDenied()
         return Response(schema)
+
+    def handle_exception(self, exc):
+        # Schema renderers do not render exceptions, so re-perform content
+        # negotiation with default renderers.
+        self.renderer_classes = api_settings.DEFAULT_RENDERER_CLASSES
+        neg = self.perform_content_negotiation(self.request, force=True)
+        self.request.accepted_renderer, self.request.accepted_media_type = neg
+        return super().handle_exception(exc)
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index e2ea0d744..f5d9a5065 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -10,24 +10,22 @@ python primitives.
 2. The process of marshalling between python primitives and request and
 response content is handled by parsers and renderers.
 """
-from __future__ import unicode_literals
-
 import copy
 import inspect
 import traceback
-from collections import Mapping, OrderedDict
+from collections import OrderedDict
+from collections.abc import Mapping
 
+from django.core.exceptions import FieldDoesNotExist, ImproperlyConfigured
 from django.core.exceptions import ValidationError as DjangoValidationError
-from django.core.exceptions import ImproperlyConfigured
 from django.db import models
 from django.db.models import DurationField as ModelDurationField
 from django.db.models.fields import Field as DjangoModelField
-from django.db.models.fields import FieldDoesNotExist
-from django.utils import six, timezone
+from django.utils import timezone
 from django.utils.functional import cached_property
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
-from rest_framework.compat import postgres_fields, unicode_to_repr
+from rest_framework.compat import postgres_fields
 from rest_framework.exceptions import ErrorDetail, ValidationError
 from rest_framework.fields import get_error_detail, set_value
 from rest_framework.settings import api_settings
@@ -54,9 +52,9 @@ from rest_framework.validators import (
 from rest_framework.fields import (  # NOQA # isort:skip
     BooleanField, CharField, ChoiceField, DateField, DateTimeField, DecimalField,
     DictField, DurationField, EmailField, Field, FileField, FilePathField, FloatField,
-    HiddenField, IPAddressField, ImageField, IntegerField, JSONField, ListField,
-    ModelField, MultipleChoiceField, NullBooleanField, ReadOnlyField, RegexField,
-    SerializerMethodField, SlugField, TimeField, URLField, UUIDField,
+    HiddenField, HStoreField, IPAddressField, ImageField, IntegerField, JSONField,
+    ListField, ModelField, MultipleChoiceField, NullBooleanField, ReadOnlyField,
+    RegexField, SerializerMethodField, SlugField, TimeField, URLField, UUIDField,
 )
 from rest_framework.relations import (  # NOQA # isort:skip
     HyperlinkedIdentityField, HyperlinkedRelatedField, ManyRelatedField,
@@ -115,14 +113,14 @@ class BaseSerializer(Field):
         self.partial = kwargs.pop('partial', False)
         self._context = kwargs.pop('context', {})
         kwargs.pop('many', None)
-        super(BaseSerializer, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def __new__(cls, *args, **kwargs):
         # We override this method in order to automagically create
         # `ListSerializer` classes instead when `many=True` is set.
         if kwargs.pop('many', False):
             return cls.many_init(*args, **kwargs)
-        return super(BaseSerializer, cls).__new__(cls, *args, **kwargs)
+        return super().__new__(cls, *args, **kwargs)
 
     @classmethod
     def many_init(cls, *args, **kwargs):
@@ -315,7 +313,7 @@ class SerializerMetaclass(type):
 
     def __new__(cls, name, bases, attrs):
         attrs['_declared_fields'] = cls._get_declared_fields(bases, attrs)
-        return super(SerializerMetaclass, cls).__new__(cls, name, bases, attrs)
+        return super().__new__(cls, name, bases, attrs)
 
 
 def as_serializer_error(exc):
@@ -344,13 +342,12 @@ def as_serializer_error(exc):
     }
 
 
-@six.add_metaclass(SerializerMetaclass)
-class Serializer(BaseSerializer):
+class Serializer(BaseSerializer, metaclass=SerializerMetaclass):
     default_error_messages = {
         'invalid': _('Invalid data. Expected a dictionary, but got {datatype}.')
     }
 
-    @property
+    @cached_property
     def fields(self):
         """
         A dictionary of {field_name: field_instance}.
@@ -358,25 +355,22 @@ class Serializer(BaseSerializer):
         # `fields` is evaluated lazily. We do this to ensure that we don't
         # have issues importing modules that use ModelSerializers as fields,
         # even if Django's app-loading stage has not yet run.
-        if not hasattr(self, '_fields'):
-            self._fields = BindingDict(self)
-            for key, value in self.get_fields().items():
-                self._fields[key] = value
-        return self._fields
+        fields = BindingDict(self)
+        for key, value in self.get_fields().items():
+            fields[key] = value
+        return fields
 
-    @cached_property
+    @property
     def _writable_fields(self):
-        return [
-            field for field in self.fields.values()
-            if (not field.read_only) or (field.default is not empty)
-        ]
+        for field in self.fields.values():
+            if not field.read_only:
+                yield field
 
-    @cached_property
+    @property
     def _readable_fields(self):
-        return [
-            field for field in self.fields.values()
-            if not field.write_only
-        ]
+        for field in self.fields.values():
+            if not field.write_only:
+                yield field
 
     def get_fields(self):
         """
@@ -394,7 +388,7 @@ class Serializer(BaseSerializer):
         # Used by the lazily-evaluated `validators` property.
         meta = getattr(self, 'Meta', None)
         validators = getattr(meta, 'validators', None)
-        return validators[:] if validators else []
+        return list(validators) if validators else []
 
     def get_initial(self):
         if hasattr(self, 'initial_data'):
@@ -442,6 +436,33 @@ class Serializer(BaseSerializer):
 
         return value
 
+    def _read_only_defaults(self):
+        fields = [
+            field for field in self.fields.values()
+            if (field.read_only) and (field.default != empty) and (field.source != '*') and ('.' not in field.source)
+        ]
+
+        defaults = OrderedDict()
+        for field in fields:
+            try:
+                default = field.get_default()
+            except SkipField:
+                continue
+            defaults[field.field_name] = default
+
+        return defaults
+
+    def run_validators(self, value):
+        """
+        Add read_only fields with defaults to value before running validators.
+        """
+        if isinstance(value, dict):
+            to_validate = self._read_only_defaults()
+            to_validate.update(value)
+        else:
+            to_validate = value
+        super().run_validators(to_validate)
+
     def to_internal_value(self, data):
         """
         Dict of native values <- Dict of primitive datatypes.
@@ -509,7 +530,7 @@ class Serializer(BaseSerializer):
         return attrs
 
     def __repr__(self):
-        return unicode_to_repr(representation.serializer_repr(self, indent=1))
+        return representation.serializer_repr(self, indent=1)
 
     # The following are used for accessing `BoundField` instances on the
     # serializer, for the purposes of presenting a form-like API onto the
@@ -534,12 +555,12 @@ class Serializer(BaseSerializer):
 
     @property
     def data(self):
-        ret = super(Serializer, self).data
+        ret = super().data
         return ReturnDict(ret, serializer=self)
 
     @property
     def errors(self):
-        ret = super(Serializer, self).errors
+        ret = super().errors
         if isinstance(ret, list) and len(ret) == 1 and getattr(ret[0], 'code', None) == 'null':
             # Edge case. Provide a more descriptive error than
             # "this field may not be null", when no data is passed.
@@ -565,13 +586,9 @@ class ListSerializer(BaseSerializer):
         self.allow_empty = kwargs.pop('allow_empty', True)
         assert self.child is not None, '`child` is a required argument.'
         assert not inspect.isclass(self.child), '`child` has not been instantiated.'
-        super(ListSerializer, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.child.bind(field_name='', parent=self)
 
-    def bind(self, field_name, parent):
-        super(ListSerializer, self).bind(field_name, parent)
-        self.partial = self.parent.partial
-
     def get_initial(self):
         if hasattr(self, 'initial_data'):
             return self.to_representation(self.initial_data)
@@ -584,7 +601,7 @@ class ListSerializer(BaseSerializer):
         # We override the default field access in order to support
         # lists in HTML forms.
         if html.is_html_input(dictionary):
-            return html.parse_html_list(dictionary, prefix=self.field_name)
+            return html.parse_html_list(dictionary, prefix=self.field_name, default=empty)
         return dictionary.get(self.field_name, empty)
 
     def run_validation(self, data=empty):
@@ -612,7 +629,7 @@ class ListSerializer(BaseSerializer):
         List of dicts of native values <- List of dicts of primitive datatypes.
         """
         if html.is_html_input(data):
-            data = html.parse_html_list(data)
+            data = html.parse_html_list(data, default=[])
 
         if not isinstance(data, list):
             message = self.error_messages['not_a_list'].format(
@@ -623,9 +640,6 @@ class ListSerializer(BaseSerializer):
             }, code='not_a_list')
 
         if not self.allow_empty and len(data) == 0:
-            if self.parent and self.partial:
-                raise SkipField()
-
             message = self.error_messages['empty']
             raise ValidationError({
                 api_settings.NON_FIELD_ERRORS_KEY: [message]
@@ -732,19 +746,19 @@ class ListSerializer(BaseSerializer):
         return not bool(self._errors)
 
     def __repr__(self):
-        return unicode_to_repr(representation.list_repr(self, indent=1))
+        return representation.list_repr(self, indent=1)
 
     # Include a backlink to the serializer class on return objects.
     # Allows renderers such as HTMLFormRenderer to get the full field info.
 
     @property
     def data(self):
-        ret = super(ListSerializer, self).data
+        ret = super().data
         return ReturnList(ret, serializer=self)
 
     @property
     def errors(self):
-        ret = super(ListSerializer, self).errors
+        ret = super().errors
         if isinstance(ret, list) and len(ret) == 1 and getattr(ret[0], 'code', None) == 'null':
             # Edge case. Provide a more descriptive error than
             # "this field may not be null", when no data is passed.
@@ -776,6 +790,8 @@ def raise_errors_on_nested_writes(method_name, serializer, validated_data):
     * Silently ignore the nested part of the update.
     * Automatically create a profile instance.
     """
+    ModelClass = serializer.Meta.model
+    model_field_info = model_meta.get_field_info(ModelClass)
 
     # Ensure we don't have a writable nested field. For example:
     #
@@ -785,6 +801,7 @@ def raise_errors_on_nested_writes(method_name, serializer, validated_data):
     assert not any(
         isinstance(field, BaseSerializer) and
         (field.source in validated_data) and
+        (field.source in model_field_info.relations) and
         isinstance(validated_data[field.source], (list, dict))
         for field in serializer._writable_fields
     ), (
@@ -803,11 +820,21 @@ def raise_errors_on_nested_writes(method_name, serializer, validated_data):
     # class UserSerializer(ModelSerializer):
     #     ...
     #     address = serializer.CharField('profile.address')
+    #
+    # Though, non-relational fields (e.g., JSONField) are acceptable. For example:
+    #
+    # class NonRelationalPersonModel(models.Model):
+    #     profile = JSONField()
+    #
+    # class UserSerializer(ModelSerializer):
+    #     ...
+    #     address = serializer.CharField('profile.address')
     assert not any(
-        '.' in field.source and
-        (key in validated_data) and
-        isinstance(validated_data[key], (list, dict))
-        for key, field in serializer.fields.items()
+        len(field.source_attrs) > 1 and
+        (field.source_attrs[0] in validated_data) and
+        (field.source_attrs[0] in model_field_info.relations) and
+        isinstance(validated_data[field.source_attrs[0]], (list, dict))
+        for field in serializer._writable_fields
     ), (
         'The `.{method_name}()` method does not support writable dotted-source '
         'fields by default.\nWrite an explicit `.{method_name}()` method for '
@@ -914,19 +941,21 @@ class ModelSerializer(Serializer):
                 many_to_many[field_name] = validated_data.pop(field_name)
 
         try:
-            instance = ModelClass.objects.create(**validated_data)
+            instance = ModelClass._default_manager.create(**validated_data)
         except TypeError:
             tb = traceback.format_exc()
             msg = (
-                'Got a `TypeError` when calling `%s.objects.create()`. '
+                'Got a `TypeError` when calling `%s.%s.create()`. '
                 'This may be because you have a writable field on the '
                 'serializer class that is not a valid argument to '
-                '`%s.objects.create()`. You may need to make the field '
+                '`%s.%s.create()`. You may need to make the field '
                 'read-only, or override the %s.create() method to handle '
                 'this correctly.\nOriginal exception was:\n %s' %
                 (
                     ModelClass.__name__,
+                    ModelClass._default_manager.name,
                     ModelClass.__name__,
+                    ModelClass._default_manager.name,
                     self.__class__.__name__,
                     tb
                 )
@@ -949,14 +978,22 @@ class ModelSerializer(Serializer):
         # Note that unlike `.create()` we don't need to treat many-to-many
         # relationships as being a special case. During updates we already
         # have an instance pk for the relationships to be associated with.
+        m2m_fields = []
         for attr, value in validated_data.items():
             if attr in info.relations and info.relations[attr].to_many:
-                field = getattr(instance, attr)
-                field.set(value)
+                m2m_fields.append((attr, value))
             else:
                 setattr(instance, attr, value)
+
         instance.save()
 
+        # Note that many-to-many fields are set after updating instance.
+        # Setting m2m fields triggers signals which could potentially change
+        # updated instance and we do not want it to collide with .update()
+        for attr, value in m2m_fields:
+            field = getattr(instance, attr)
+            field.set(value)
+
         return instance
 
     # Determine the fields to apply...
@@ -1082,7 +1119,7 @@ class ModelSerializer(Serializer):
             # Ensure that all declared fields have also been included in the
             # `Meta.fields` option.
 
-            # Do not require any fields that are declared a parent class,
+            # Do not require any fields that are declared in a parent class,
             # in order to allow serializer subclasses to only include
             # a subset of fields.
             required_field_names = set(declared_fields)
@@ -1136,9 +1173,9 @@ class ModelSerializer(Serializer):
         """
         return (
             [model_info.pk.name] +
-            list(declared_fields.keys()) +
-            list(model_info.fields.keys()) +
-            list(model_info.forward_relations.keys())
+            list(declared_fields) +
+            list(model_info.fields) +
+            list(model_info.forward_relations)
         )
 
     # Methods for constructing serializer fields...
@@ -1194,7 +1231,7 @@ class ModelSerializer(Serializer):
                 'error_messages', 'validators', 'allow_null', 'allow_blank',
                 'choices'
             }
-            for key in list(field_kwargs.keys()):
+            for key in list(field_kwargs):
                 if key not in valid_kwargs:
                     field_kwargs.pop(key)
 
@@ -1208,6 +1245,11 @@ class ModelSerializer(Serializer):
             # `allow_blank` is only valid for textual fields.
             field_kwargs.pop('allow_blank', None)
 
+        if postgres_fields and isinstance(model_field, postgres_fields.JSONField):
+            # Populate the `encoder` argument of `JSONField` instances generated
+            # for the PostgreSQL specific `JSONField`.
+            field_kwargs['encoder'] = getattr(model_field, 'encoder', None)
+
         if postgres_fields and isinstance(model_field, postgres_fields.ArrayField):
             # Populate the `child` argument on `ListField` instances generated
             # for the PostgreSQL specific `ArrayField`.
@@ -1364,7 +1406,7 @@ class ModelSerializer(Serializer):
 
         # Include each of the `unique_together` field names,
         # so long as all the field names are included on the serializer.
-        for parent_class in [model] + list(model._meta.parents.keys()):
+        for parent_class in [model] + list(model._meta.parents):
             for unique_together_list in parent_class._meta.unique_together:
                 if set(field_names).issuperset(set(unique_together_list)):
                     unique_constraint_names |= set(unique_together_list)
@@ -1452,7 +1494,7 @@ class ModelSerializer(Serializer):
         # If the validators have been declared explicitly then use that.
         validators = getattr(getattr(self, 'Meta', None), 'validators', None)
         if validators is not None:
-            return validators[:]
+            return list(validators)
 
         # Otherwise use the default set of validators.
         return (
@@ -1466,7 +1508,7 @@ class ModelSerializer(Serializer):
         """
         model_class_inheritance_tree = (
             [self.Meta.model] +
-            list(self.Meta.model._meta.parents.keys())
+            list(self.Meta.model._meta.parents)
         )
 
         # The field names we're passing though here only include fields
@@ -1478,6 +1520,12 @@ class ModelSerializer(Serializer):
             if (field.source != '*') and ('.' not in field.source)
         }
 
+        # Special Case: Add read_only fields with defaults.
+        field_names |= {
+            field.source for field in self.fields.values()
+            if (field.read_only) and (field.default != empty) and (field.source != '*') and ('.' not in field.source)
+        }
+
         # Note that we make sure to check `unique_together` both on the
         # base model class, but also on any parent classes.
         validators = []
@@ -1541,10 +1589,7 @@ if hasattr(models, 'IPAddressField'):
     ModelSerializer.serializer_field_mapping[models.IPAddressField] = IPAddressField
 
 if postgres_fields:
-    class CharMappingField(DictField):
-        child = CharField(allow_blank=True)
-
-    ModelSerializer.serializer_field_mapping[postgres_fields.HStoreField] = CharMappingField
+    ModelSerializer.serializer_field_mapping[postgres_fields.HStoreField] = HStoreField
     ModelSerializer.serializer_field_mapping[postgres_fields.ArrayField] = ListField
     ModelSerializer.serializer_field_mapping[postgres_fields.JSONField] = JSONField
 
@@ -1566,9 +1611,9 @@ class HyperlinkedModelSerializer(ModelSerializer):
         """
         return (
             [self.url_field_name] +
-            list(declared_fields.keys()) +
-            list(model_info.fields.keys()) +
-            list(model_info.forward_relations.keys())
+            list(declared_fields) +
+            list(model_info.fields) +
+            list(model_info.forward_relations)
         )
 
     def build_nested_field(self, field_name, relation_info, nested_depth):
diff --git a/rest_framework/settings.py b/rest_framework/settings.py
index d9e3a2942..c4c0e7939 100644
--- a/rest_framework/settings.py
+++ b/rest_framework/settings.py
@@ -3,57 +3,56 @@ Settings for REST framework are all namespaced in the REST_FRAMEWORK setting.
 For example your project's `settings.py` file might look like this:
 
 REST_FRAMEWORK = {
-    'DEFAULT_RENDERER_CLASSES': (
+    'DEFAULT_RENDERER_CLASSES': [
         'rest_framework.renderers.JSONRenderer',
         'rest_framework.renderers.TemplateHTMLRenderer',
-    )
-    'DEFAULT_PARSER_CLASSES': (
+    ],
+    'DEFAULT_PARSER_CLASSES': [
         'rest_framework.parsers.JSONParser',
         'rest_framework.parsers.FormParser',
-        'rest_framework.parsers.MultiPartParser'
-    )
+        'rest_framework.parsers.MultiPartParser',
+    ],
 }
 
 This module provides the `api_setting` object, that is used to access
 REST framework settings, checking for user settings first, then falling
 back to the defaults.
 """
-from __future__ import unicode_literals
-
-from importlib import import_module
-
 from django.conf import settings
 from django.test.signals import setting_changed
-from django.utils import six
+from django.utils.module_loading import import_string
 
 from rest_framework import ISO_8601
 
 DEFAULTS = {
     # Base API policies
-    'DEFAULT_RENDERER_CLASSES': (
+    'DEFAULT_RENDERER_CLASSES': [
         'rest_framework.renderers.JSONRenderer',
         'rest_framework.renderers.BrowsableAPIRenderer',
-    ),
-    'DEFAULT_PARSER_CLASSES': (
+    ],
+    'DEFAULT_PARSER_CLASSES': [
         'rest_framework.parsers.JSONParser',
         'rest_framework.parsers.FormParser',
         'rest_framework.parsers.MultiPartParser'
-    ),
-    'DEFAULT_AUTHENTICATION_CLASSES': (
+    ],
+    'DEFAULT_AUTHENTICATION_CLASSES': [
         'rest_framework.authentication.SessionAuthentication',
         'rest_framework.authentication.BasicAuthentication'
-    ),
-    'DEFAULT_PERMISSION_CLASSES': (
+    ],
+    'DEFAULT_PERMISSION_CLASSES': [
         'rest_framework.permissions.AllowAny',
-    ),
-    'DEFAULT_THROTTLE_CLASSES': (),
+    ],
+    'DEFAULT_THROTTLE_CLASSES': [],
     'DEFAULT_CONTENT_NEGOTIATION_CLASS': 'rest_framework.negotiation.DefaultContentNegotiation',
     'DEFAULT_METADATA_CLASS': 'rest_framework.metadata.SimpleMetadata',
     'DEFAULT_VERSIONING_CLASS': None,
 
     # Generic view behavior
     'DEFAULT_PAGINATION_CLASS': None,
-    'DEFAULT_FILTER_BACKENDS': (),
+    'DEFAULT_FILTER_BACKENDS': [],
+
+    # Schema
+    'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.openapi.AutoSchema',
 
     # Throttling
     'DEFAULT_THROTTLE_RATES': {
@@ -87,10 +86,10 @@ DEFAULTS = {
     'NON_FIELD_ERRORS_KEY': 'non_field_errors',
 
     # Testing
-    'TEST_REQUEST_RENDERER_CLASSES': (
+    'TEST_REQUEST_RENDERER_CLASSES': [
         'rest_framework.renderers.MultiPartRenderer',
         'rest_framework.renderers.JSONRenderer'
-    ),
+    ],
     'TEST_REQUEST_DEFAULT_FORMAT': 'multipart',
 
     # Hyperlink settings
@@ -100,13 +99,13 @@ DEFAULTS = {
 
     # Input and output formats
     'DATE_FORMAT': ISO_8601,
-    'DATE_INPUT_FORMATS': (ISO_8601,),
+    'DATE_INPUT_FORMATS': [ISO_8601],
 
     'DATETIME_FORMAT': ISO_8601,
-    'DATETIME_INPUT_FORMATS': (ISO_8601,),
+    'DATETIME_INPUT_FORMATS': [ISO_8601],
 
     'TIME_FORMAT': ISO_8601,
-    'TIME_INPUT_FORMATS': (ISO_8601,),
+    'TIME_INPUT_FORMATS': [ISO_8601],
 
     # Encoding
     'UNICODE_JSON': True,
@@ -129,7 +128,7 @@ DEFAULTS = {
 
 
 # List of settings that may be in string import notation.
-IMPORT_STRINGS = (
+IMPORT_STRINGS = [
     'DEFAULT_RENDERER_CLASSES',
     'DEFAULT_PARSER_CLASSES',
     'DEFAULT_AUTHENTICATION_CLASSES',
@@ -140,19 +139,20 @@ IMPORT_STRINGS = (
     'DEFAULT_VERSIONING_CLASS',
     'DEFAULT_PAGINATION_CLASS',
     'DEFAULT_FILTER_BACKENDS',
+    'DEFAULT_SCHEMA_CLASS',
     'EXCEPTION_HANDLER',
     'TEST_REQUEST_RENDERER_CLASSES',
     'UNAUTHENTICATED_USER',
     'UNAUTHENTICATED_TOKEN',
     'VIEW_NAME_FUNCTION',
     'VIEW_DESCRIPTION_FUNCTION'
-)
+]
 
 
 # List of settings that have been removed
-REMOVED_SETTINGS = (
-    "PAGINATE_BY", "PAGINATE_BY_PARAM", "MAX_PAGINATE_BY",
-)
+REMOVED_SETTINGS = [
+    'PAGINATE_BY', 'PAGINATE_BY_PARAM', 'MAX_PAGINATE_BY',
+]
 
 
 def perform_import(val, setting_name):
@@ -162,7 +162,7 @@ def perform_import(val, setting_name):
     """
     if val is None:
         return None
-    elif isinstance(val, six.string_types):
+    elif isinstance(val, str):
         return import_from_string(val, setting_name)
     elif isinstance(val, (list, tuple)):
         return [import_from_string(item, setting_name) for item in val]
@@ -174,17 +174,13 @@ def import_from_string(val, setting_name):
     Attempt to import a class from a string representation.
     """
     try:
-        # Nod to tastypie's use of importlib.
-        parts = val.split('.')
-        module_path, class_name = '.'.join(parts[:-1]), parts[-1]
-        module = import_module(module_path)
-        return getattr(module, class_name)
-    except (ImportError, AttributeError) as e:
+        return import_string(val)
+    except ImportError as e:
         msg = "Could not import '%s' for API setting '%s'. %s: %s." % (val, setting_name, e.__class__.__name__, e)
         raise ImportError(msg)
 
 
-class APISettings(object):
+class APISettings:
     """
     A settings object, that allows API settings to be accessed as properties.
     For example:
@@ -200,6 +196,7 @@ class APISettings(object):
             self._user_settings = self.__check_user_settings(user_settings)
         self.defaults = defaults or DEFAULTS
         self.import_strings = import_strings or IMPORT_STRINGS
+        self._cached_attrs = set()
 
     @property
     def user_settings(self):
@@ -223,25 +220,32 @@ class APISettings(object):
             val = perform_import(val, attr)
 
         # Cache the result
+        self._cached_attrs.add(attr)
         setattr(self, attr, val)
         return val
 
     def __check_user_settings(self, user_settings):
-        SETTINGS_DOC = "http://www.django-rest-framework.org/api-guide/settings/"
+        SETTINGS_DOC = "https://www.django-rest-framework.org/api-guide/settings/"
         for setting in REMOVED_SETTINGS:
             if setting in user_settings:
                 raise RuntimeError("The '%s' setting has been removed. Please refer to '%s' for available settings." % (setting, SETTINGS_DOC))
         return user_settings
 
+    def reload(self):
+        for attr in self._cached_attrs:
+            delattr(self, attr)
+        self._cached_attrs.clear()
+        if hasattr(self, '_user_settings'):
+            delattr(self, '_user_settings')
+
 
 api_settings = APISettings(None, DEFAULTS, IMPORT_STRINGS)
 
 
 def reload_api_settings(*args, **kwargs):
-    global api_settings
-    setting, value = kwargs['setting'], kwargs['value']
+    setting = kwargs['setting']
     if setting == 'REST_FRAMEWORK':
-        api_settings = APISettings(value, DEFAULTS, IMPORT_STRINGS)
+        api_settings.reload()
 
 
 setting_changed.connect(reload_api_settings)
diff --git a/rest_framework/static/rest_framework/css/bootstrap-theme.min.css b/rest_framework/static/rest_framework/css/bootstrap-theme.min.css
new file mode 100644
index 000000000..30c85f627
--- /dev/null
+++ b/rest_framework/static/rest_framework/css/bootstrap-theme.min.css
@@ -0,0 +1,6 @@
+/*!
+ * Bootstrap v3.4.0 (https://getbootstrap.com/)
+ * Copyright 2011-2018 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */.btn-danger,.btn-default,.btn-info,.btn-primary,.btn-success,.btn-warning{text-shadow:0 -1px 0 rgba(0,0,0,.2);-webkit-box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 1px 1px rgba(0,0,0,.075);box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 1px 1px rgba(0,0,0,.075)}.btn-danger.active,.btn-danger:active,.btn-default.active,.btn-default:active,.btn-info.active,.btn-info:active,.btn-primary.active,.btn-primary:active,.btn-success.active,.btn-success:active,.btn-warning.active,.btn-warning:active{-webkit-box-shadow:inset 0 3px 5px rgba(0,0,0,.125);box-shadow:inset 0 3px 5px rgba(0,0,0,.125)}.btn-danger.disabled,.btn-danger[disabled],.btn-default.disabled,.btn-default[disabled],.btn-info.disabled,.btn-info[disabled],.btn-primary.disabled,.btn-primary[disabled],.btn-success.disabled,.btn-success[disabled],.btn-warning.disabled,.btn-warning[disabled],fieldset[disabled] .btn-danger,fieldset[disabled] .btn-default,fieldset[disabled] .btn-info,fieldset[disabled] 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diff --git a/rest_framework/static/rest_framework/css/bootstrap.min.css b/rest_framework/static/rest_framework/css/bootstrap.min.css
index ed3905e0e..7f3562ec2 100644
--- a/rest_framework/static/rest_framework/css/bootstrap.min.css
+++ b/rest_framework/static/rest_framework/css/bootstrap.min.css
@@ -1,6 +1,6 @@
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- * Bootstrap v3.3.7 (http://getbootstrap.com)
- * Copyright 2011-2016 Twitter, Inc.
+ * Bootstrap v3.4.0 (https://getbootstrap.com/)
+ * Copyright 2011-2018 Twitter, Inc.
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diff --git a/rest_framework/static/rest_framework/docs/css/font-awesome-4.0.3.css b/rest_framework/static/rest_framework/css/font-awesome-4.0.3.css
similarity index 100%
rename from rest_framework/static/rest_framework/docs/css/font-awesome-4.0.3.css
rename to rest_framework/static/rest_framework/css/font-awesome-4.0.3.css
diff --git a/rest_framework/static/rest_framework/docs/css/base.css b/rest_framework/static/rest_framework/docs/css/base.css
index 97728e3c6..0be2bafa9 100644
--- a/rest_framework/static/rest_framework/docs/css/base.css
+++ b/rest_framework/static/rest_framework/docs/css/base.css
@@ -30,7 +30,7 @@ pre.highlight code {
 
 .sidebar {
   overflow: auto;
-  font-family: verdana;
+  font-family: verdana, sans-serif;
   font-size: 12px;
   font-weight: 200;
   background-color: #2e353d;
@@ -111,7 +111,11 @@ pre.highlight code {
   border: none;
   border-bottom: 1px solid #23282e;
   margin-left: 0px;
-  text-indent: 10px;
+  line-height: 1.4;
+  padding-top: 10px;
+  padding-bottom: 10px;
+  padding-right: 10px;
+  padding-left: 25px;
 }
 
 .sidebar .menu-list ul .sub-menu li:hover,
@@ -128,11 +132,14 @@ pre.highlight code {
 .sidebar .menu-list ul .sub-menu li a:before,
 .sidebar .menu-list li .sub-menu li a:before {
   font-family: FontAwesome;
+  font-size: 14px;
+  font-weight: bold;
   content: "\f105";
-  display: inline-block;
-  padding-left: 10px;
-  padding-right: 10px;
+  display: inline;
   vertical-align: middle;
+  padding-left: 0;
+  padding-right: 7px;
+  margin-left: -12px;
 }
 
 .sidebar .menu-list li {
@@ -162,6 +169,10 @@ pre.highlight code {
   transition: all 1s ease;
 }
 
+.sidebar #menu-content {
+  padding-bottom: 70px;
+}
+
 body {
   margin: 0px;
   padding: 0px;
diff --git a/rest_framework/static/rest_framework/docs/css/bootstrap-theme.min.css b/rest_framework/static/rest_framework/docs/css/bootstrap-theme.min.css
deleted file mode 100644
index 5b8a17d0f..000000000
--- a/rest_framework/static/rest_framework/docs/css/bootstrap-theme.min.css
+++ /dev/null
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--- a/rest_framework/static/rest_framework/docs/fonts/glyphicons-halflings-regular.svg
+++ /dev/null
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old mode 100755
new mode 100644
diff --git a/rest_framework/static/rest_framework/docs/fonts/fontawesome-webfont.eot b/rest_framework/static/rest_framework/fonts/fontawesome-webfont.eot
old mode 100755
new mode 100644
similarity index 100%
rename from rest_framework/static/rest_framework/docs/fonts/fontawesome-webfont.eot
rename to rest_framework/static/rest_framework/fonts/fontawesome-webfont.eot
diff --git a/rest_framework/static/rest_framework/docs/fonts/fontawesome-webfont.svg b/rest_framework/static/rest_framework/fonts/fontawesome-webfont.svg
old mode 100755
new mode 100644
similarity index 100%
rename from rest_framework/static/rest_framework/docs/fonts/fontawesome-webfont.svg
rename to rest_framework/static/rest_framework/fonts/fontawesome-webfont.svg
diff --git a/rest_framework/static/rest_framework/docs/fonts/fontawesome-webfont.ttf b/rest_framework/static/rest_framework/fonts/fontawesome-webfont.ttf
old mode 100755
new mode 100644
similarity index 100%
rename from rest_framework/static/rest_framework/docs/fonts/fontawesome-webfont.ttf
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diff --git a/rest_framework/static/rest_framework/docs/fonts/fontawesome-webfont.woff b/rest_framework/static/rest_framework/fonts/fontawesome-webfont.woff
old mode 100755
new mode 100644
similarity index 100%
rename from rest_framework/static/rest_framework/docs/fonts/fontawesome-webfont.woff
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diff --git a/rest_framework/static/rest_framework/js/bootstrap.min.js b/rest_framework/static/rest_framework/js/bootstrap.min.js
index 9bcd2fcca..4cd821990 100644
--- a/rest_framework/static/rest_framework/js/bootstrap.min.js
+++ b/rest_framework/static/rest_framework/js/bootstrap.min.js
@@ -1,7 +1,6 @@
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diff --git a/rest_framework/static/rest_framework/js/csrf.js b/rest_framework/static/rest_framework/js/csrf.js
index 97c8d0124..6e4bf39a7 100644
--- a/rest_framework/static/rest_framework/js/csrf.js
+++ b/rest_framework/static/rest_framework/js/csrf.js
@@ -38,7 +38,7 @@ function sameOrigin(url) {
     !(/^(\/\/|http:|https:).*/.test(url));
 }
 
-var csrftoken = getCookie(window.drf.csrfCookieName);
+var csrftoken = window.drf.csrfToken;
 
 $.ajaxSetup({
   beforeSend: function(xhr, settings) {
diff --git a/rest_framework/static/rest_framework/js/default.js b/rest_framework/static/rest_framework/js/default.js
index d8394b0bf..bec2e4f9e 100644
--- a/rest_framework/static/rest_framework/js/default.js
+++ b/rest_framework/static/rest_framework/js/default.js
@@ -41,7 +41,7 @@ $(document).ready(function() {
     $('.form-switcher a:first').tab('show');
   }
 
-  $(window).load(function() {
+  $(window).on('load', function() {
     $('#errorModal').modal('show');
   });
 });
diff --git a/rest_framework/static/rest_framework/js/jquery-1.12.4.min.js b/rest_framework/static/rest_framework/js/jquery-1.12.4.min.js
deleted file mode 100644
index e83647587..000000000
--- a/rest_framework/static/rest_framework/js/jquery-1.12.4.min.js
+++ /dev/null
@@ -1,5 +0,0 @@
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diff --git a/rest_framework/status.py b/rest_framework/status.py
index d4522df3d..06d090733 100644
--- a/rest_framework/status.py
+++ b/rest_framework/status.py
@@ -1,11 +1,10 @@
 """
 Descriptive HTTP status codes, for code readability.
 
-See RFC 2616 - http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
-And RFC 6585 - http://tools.ietf.org/html/rfc6585
+See RFC 2616 - https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+And RFC 6585 - https://tools.ietf.org/html/rfc6585
 And RFC 4918 - https://tools.ietf.org/html/rfc4918
 """
-from __future__ import unicode_literals
 
 
 def is_informational(code):
@@ -38,6 +37,8 @@ HTTP_204_NO_CONTENT = 204
 HTTP_205_RESET_CONTENT = 205
 HTTP_206_PARTIAL_CONTENT = 206
 HTTP_207_MULTI_STATUS = 207
+HTTP_208_ALREADY_REPORTED = 208
+HTTP_226_IM_USED = 226
 HTTP_300_MULTIPLE_CHOICES = 300
 HTTP_301_MOVED_PERMANENTLY = 301
 HTTP_302_FOUND = 302
@@ -46,6 +47,7 @@ HTTP_304_NOT_MODIFIED = 304
 HTTP_305_USE_PROXY = 305
 HTTP_306_RESERVED = 306
 HTTP_307_TEMPORARY_REDIRECT = 307
+HTTP_308_PERMANENT_REDIRECT = 308
 HTTP_400_BAD_REQUEST = 400
 HTTP_401_UNAUTHORIZED = 401
 HTTP_402_PAYMENT_REQUIRED = 402
@@ -67,6 +69,7 @@ HTTP_417_EXPECTATION_FAILED = 417
 HTTP_422_UNPROCESSABLE_ENTITY = 422
 HTTP_423_LOCKED = 423
 HTTP_424_FAILED_DEPENDENCY = 424
+HTTP_426_UPGRADE_REQUIRED = 426
 HTTP_428_PRECONDITION_REQUIRED = 428
 HTTP_429_TOO_MANY_REQUESTS = 429
 HTTP_431_REQUEST_HEADER_FIELDS_TOO_LARGE = 431
@@ -77,5 +80,9 @@ HTTP_502_BAD_GATEWAY = 502
 HTTP_503_SERVICE_UNAVAILABLE = 503
 HTTP_504_GATEWAY_TIMEOUT = 504
 HTTP_505_HTTP_VERSION_NOT_SUPPORTED = 505
+HTTP_506_VARIANT_ALSO_NEGOTIATES = 506
 HTTP_507_INSUFFICIENT_STORAGE = 507
+HTTP_508_LOOP_DETECTED = 508
+HTTP_509_BANDWIDTH_LIMIT_EXCEEDED = 509
+HTTP_510_NOT_EXTENDED = 510
 HTTP_511_NETWORK_AUTHENTICATION_REQUIRED = 511
diff --git a/rest_framework/templates/rest_framework/admin.html b/rest_framework/templates/rest_framework/admin.html
index de011cd09..cfa47c984 100644
--- a/rest_framework/templates/rest_framework/admin.html
+++ b/rest_framework/templates/rest_framework/admin.html
@@ -1,4 +1,4 @@
-{% load staticfiles %}
+{% load static %}
 {% load i18n %}
 {% load rest_framework %}
 
@@ -34,7 +34,7 @@
               <div class="container">
                 <span>
                   {% block branding %}
-                    <a class='navbar-brand' rel="nofollow" href='http://www.django-rest-framework.org'>
+                    <a class='navbar-brand' rel="nofollow" href='https://www.django-rest-framework.org/'>
                       Django REST framework
                     </a>
                   {% endblock %}
@@ -110,6 +110,20 @@
               </form>
             {% endif %}
 
+            {% if extra_actions %}
+              <div class="dropdown" style="float: right; margin-right: 10px">
+                <button class="btn btn-default" id="extra-actions-menu" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
+                  {% trans "Extra Actions" %}
+                  <span class="caret"></span>
+                </button>
+                <ul class="dropdown-menu" aria-labelledby="extra-actions-menu">
+                  {% for action_name, url in extra_actions|items %}
+                  <li><a href="{{ url }}">{{ action_name }}</a></li>
+                  {% endfor %}
+                </ul>
+              </div>
+            {% endif %}
+
             {% if filter_form %}
               <button style="float: right; margin-right: 10px" data-toggle="modal" data-target="#filtersModal" class="btn btn-default">
                 <span class="glyphicon glyphicon-wrench" aria-hidden="true"></span>
@@ -233,10 +247,10 @@
         <script>
           window.drf = {
             csrfHeaderName: "{{ csrf_header_name|default:'X-CSRFToken' }}",
-            csrfCookieName: "{{ csrf_cookie_name|default:'csrftoken' }}"
+            csrfToken: "{{ csrf_token }}"
           };
         </script>
-        <script src="{% static "rest_framework/js/jquery-1.12.4.min.js" %}"></script>
+        <script src="{% static "rest_framework/js/jquery-3.4.1.min.js" %}"></script>
         <script src="{% static "rest_framework/js/ajax-form.js" %}"></script>
         <script src="{% static "rest_framework/js/csrf.js" %}"></script>
         <script src="{% static "rest_framework/js/bootstrap.min.js" %}"></script>
diff --git a/rest_framework/templates/rest_framework/admin/list.html b/rest_framework/templates/rest_framework/admin/list.html
index fd394d44e..ab3e84d17 100644
--- a/rest_framework/templates/rest_framework/admin/list.html
+++ b/rest_framework/templates/rest_framework/admin/list.html
@@ -1,7 +1,7 @@
 {% load rest_framework %}
 <table class="table table-striped">
   <thead>
-    <tr>{% for column in columns%}<th>{{ column|capfirst }}</th>{% endfor %}<th></th></tr>
+    <tr>{% for column in columns%}<th>{{ column|capfirst }}</th>{% endfor %}<th class="col-xs-1"></th></tr>
   </thead>
   <tbody>
     {% for row in results %}
@@ -14,7 +14,11 @@
           {% endif %}
         {% endfor %}
         <td>
+          {% if row.url %}
           <a href="{{ row.url }}"><span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span></a>
+          {% else %}
+          <span class="glyphicon glyphicon-chevron-right text-muted" aria-hidden="true"></span>
+          {% endif %}
         </td>
       </tr>
     {% endfor %}
diff --git a/rest_framework/templates/rest_framework/base.html b/rest_framework/templates/rest_framework/base.html
index 14007aa52..5d9d80b05 100644
--- a/rest_framework/templates/rest_framework/base.html
+++ b/rest_framework/templates/rest_framework/base.html
@@ -1,4 +1,4 @@
-{% load staticfiles %}
+{% load static %}
 {% load i18n %}
 {% load rest_framework %}
 
@@ -38,7 +38,7 @@
           <div class="container">
             <span>
               {% block branding %}
-                <a class='navbar-brand' rel="nofollow" href='http://www.django-rest-framework.org'>
+                <a class='navbar-brand' rel="nofollow" href='https://www.django-rest-framework.org/'>
                     Django REST framework
                 </a>
               {% endblock %}
@@ -76,6 +76,8 @@
           {% block content %}
 
           <div class="region"  aria-label="{% trans "request form" %}">
+          {% block request_forms %}
+          
           {% if 'GET' in allowed_methods %}
             <form id="get-form" class="pull-right">
               <fieldset>
@@ -128,12 +130,28 @@
             </div>
           {% endif %}
 
+          {% if extra_actions %}
+            <div class="dropdown" style="float: right; margin-right: 10px">
+              <button class="btn btn-default" id="extra-actions-menu" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
+                {% trans "Extra Actions" %}
+                <span class="caret"></span>
+              </button>
+              <ul class="dropdown-menu" aria-labelledby="extra-actions-menu">
+                {% for action_name, url in extra_actions|items %}
+                <li><a href="{{ url }}">{{ action_name }}</a></li>
+                {% endfor %}
+              </ul>
+            </div>
+          {% endif %}
+
           {% if filter_form %}
             <button style="float: right; margin-right: 10px" data-toggle="modal" data-target="#filtersModal" class="btn btn-default">
               <span class="glyphicon glyphicon-wrench" aria-hidden="true"></span>
               {% trans "Filters" %}
             </button>
           {% endif %}
+
+          {% endblock request_forms %}
           </div>
 
             <div class="content-main" role="main"  aria-label="{% trans "main content" %}">
@@ -157,10 +175,10 @@
               </div>
 
               <div class="response-info" aria-label="{% trans "response info" %}">
-                <pre class="prettyprint"><span class="meta nocode"><b>HTTP {{ response.status_code }} {{ response.status_text }}</b>{% autoescape off %}{% for key, val in response_headers|items %}
+                <pre class="prettyprint"><span class="meta nocode"><b>HTTP {{ response.status_code }} {{ response.status_text }}</b>{% for key, val in response_headers|items %}
 <b>{{ key }}:</b> <span class="lit">{{ val|break_long_headers|urlize_quoted_links }}</span>{% endfor %}
 
-</span>{{ content|urlize_quoted_links }}</pre>{% endautoescape %}
+</span>{{ content|urlize_quoted_links }}</pre>
               </div>
             </div>
 
@@ -187,7 +205,7 @@
                               {% csrf_token %}
                               {{ post_form }}
                               <div class="form-actions">
-                                <button class="btn btn-primary" title="Make a POST request on the {{ name }} resource">POST</button>
+                                <button class="btn btn-primary js-tooltip" title="Make a POST request on the {{ name }} resource">POST</button>
                               </div>
                             </fieldset>
                           </form>
@@ -201,7 +219,7 @@
                           <fieldset>
                             {% include "rest_framework/raw_data_form.html" %}
                             <div class="form-actions">
-                              <button class="btn btn-primary" title="Make a POST request on the {{ name }} resource">POST</button>
+                              <button class="btn btn-primary js-tooltip" title="Make a POST request on the {{ name }} resource">POST</button>
                             </div>
                           </fieldset>
                         </form>
@@ -272,10 +290,10 @@
       <script>
         window.drf = {
           csrfHeaderName: "{{ csrf_header_name|default:'X-CSRFToken' }}",
-          csrfCookieName: "{{ csrf_cookie_name|default:'csrftoken' }}"
+          csrfToken: "{% if request %}{{ csrf_token }}{% endif %}"
         };
       </script>
-      <script src="{% static "rest_framework/js/jquery-1.12.4.min.js" %}"></script>
+      <script src="{% static "rest_framework/js/jquery-3.4.1.min.js" %}"></script>
       <script src="{% static "rest_framework/js/ajax-form.js" %}"></script>
       <script src="{% static "rest_framework/js/csrf.js" %}"></script>
       <script src="{% static "rest_framework/js/bootstrap.min.js" %}"></script>
diff --git a/rest_framework/templates/rest_framework/docs/auth/session.html b/rest_framework/templates/rest_framework/docs/auth/session.html
index d09d3f2aa..59430d95e 100644
--- a/rest_framework/templates/rest_framework/docs/auth/session.html
+++ b/rest_framework/templates/rest_framework/docs/auth/session.html
@@ -12,7 +12,7 @@
     <div class="modal-body">
 
         {% if user.is_authenticated %}
-          <h4 class="text-center">You are logged in as {{ user.username }}.</h4>
+          <h4 class="text-center">You are logged in as {{ user.get_username }}.</h4>
         {% else %}
 
           <div class="text-center">
diff --git a/rest_framework/templates/rest_framework/docs/document.html b/rest_framework/templates/rest_framework/docs/document.html
index 7922142f3..9aecb40e0 100644
--- a/rest_framework/templates/rest_framework/docs/document.html
+++ b/rest_framework/templates/rest_framework/docs/document.html
@@ -8,9 +8,9 @@
     {% endif %}
 </div>
 <div class="col-md-6 intro-code">
-    {% if 'shell' in langs %}{% include "rest_framework/docs/langs/shell-intro.html" %}{% endif %}
-    {% if 'python' in langs %}{% include "rest_framework/docs/langs/python-intro.html" %}{% endif %}
-    {% if 'javascript' in langs %}{% include "rest_framework/docs/langs/javascript-intro.html" %}{% endif %}
+    {% for html in lang_intro_htmls %}
+        {% include html %}
+    {% endfor %}
 </div>
 </div>
 {% if document|data %}
diff --git a/rest_framework/templates/rest_framework/docs/error.html b/rest_framework/templates/rest_framework/docs/error.html
index 8015bd7f0..6afd25e7b 100644
--- a/rest_framework/templates/rest_framework/docs/error.html
+++ b/rest_framework/templates/rest_framework/docs/error.html
@@ -1,4 +1,4 @@
-{% load staticfiles %}
+{% load static %}
 <!DOCTYPE html>
 <html lang="en">
     <head>
@@ -66,6 +66,6 @@ at <code>rest_framework/docs/error.html</code>.</p>
 
 
 
-        <script src="{% static 'rest_framework/docs/js/jquery-1.10.2.min.js' %}"></script>
+        <script src="{% static 'rest_framework/js/jquery-3.4.1.min.js' %}"></script>
     </body>
 </html>
diff --git a/rest_framework/templates/rest_framework/docs/index.html b/rest_framework/templates/rest_framework/docs/index.html
index 9b7bb85d0..6804afe10 100644
--- a/rest_framework/templates/rest_framework/docs/index.html
+++ b/rest_framework/templates/rest_framework/docs/index.html
@@ -1,4 +1,4 @@
-{% load staticfiles %}
+{% load static %}
 <!DOCTYPE html>
 <html lang="en">
     <head>
@@ -8,9 +8,9 @@
 
 	    <title>{{ document.title }}</title>
 
-        <link href="{% static 'rest_framework/docs/css/bootstrap.min.css' %}" rel="stylesheet">
-        <link href="{% static 'rest_framework/docs/css/bootstrap-theme.min.css' %}" rel="stylesheet">
-        <link href="{% static 'rest_framework/docs/css/font-awesome-4.0.3.css' %}" rel="stylesheet">
+        <link href="{% static 'rest_framework/css/bootstrap.min.css' %}" rel="stylesheet">
+        <link href="{% static 'rest_framework/css/bootstrap-theme.min.css' %}" rel="stylesheet">
+        <link href="{% static 'rest_framework/css/font-awesome-4.0.3.css' %}" rel="stylesheet">
         <link href="{% static 'rest_framework/docs/css/base.css' %}" rel="stylesheet">
         <link href="{% static 'rest_framework/docs/css/jquery.json-view.min.css' %}" rel="stylesheet">
 
@@ -38,8 +38,8 @@
         {% include "rest_framework/docs/auth/basic.html" %}
         {% include "rest_framework/docs/auth/session.html" %}
 
-        <script src="{% static 'rest_framework/docs/js/jquery-1.10.2.min.js' %}"></script>
-        <script src="{% static 'rest_framework/docs/js/bootstrap.min.js' %}"></script>
+        <script src="{% static 'rest_framework/js/jquery-3.4.1.min.js' %}"></script>
+        <script src="{% static 'rest_framework/js/bootstrap.min.js' %}"></script>
         <script src="{% static 'rest_framework/docs/js/jquery.json-view.min.js' %}"></script>
         <script src="{% static 'rest_framework/docs/js/api.js' %}"></script>
         <script>
@@ -51,6 +51,7 @@
                 $('#auth-control').children().removeClass('active');
                 $('#auth-control').find("[data-auth='session']").closest('li').addClass('active');
             {% endif %}
+	    $('pre.highlight').filter('[data-language="{{ langs | first }}"]').removeClass('hide');
         </script>
     </body>
 </html>
diff --git a/rest_framework/templates/rest_framework/docs/langs/javascript-intro.html b/rest_framework/templates/rest_framework/docs/langs/javascript-intro.html
index 8ef880cbc..a6938fc45 100644
--- a/rest_framework/templates/rest_framework/docs/langs/javascript-intro.html
+++ b/rest_framework/templates/rest_framework/docs/langs/javascript-intro.html
@@ -1,5 +1,5 @@
 {% load rest_framework %}
-{% load staticfiles %}
+{% load static %}
 <pre class="highlight javascript hide" data-language="javascript"><code>{% code html %}<!-- Load the JavaScript client library -->
 <script src="{% static 'rest_framework/js/coreapi-0.1.1.js' %}"></script>
 <script src="{% url 'api-docs:schema-js' %}"></script>{% endcode %}</code></pre>
diff --git a/rest_framework/templates/rest_framework/docs/langs/shell-intro.html b/rest_framework/templates/rest_framework/docs/langs/shell-intro.html
index fa77bce4a..2320ddfa9 100644
--- a/rest_framework/templates/rest_framework/docs/langs/shell-intro.html
+++ b/rest_framework/templates/rest_framework/docs/langs/shell-intro.html
@@ -1,3 +1,3 @@
 {% load rest_framework %}
-<pre class="highlight shell" data-language="shell"><code>{% code bash %}# Install the command line client
+<pre class="highlight shell hide" data-language="shell"><code>{% code bash %}# Install the command line client
 $ pip install coreapi-cli{% endcode %}</code></pre>
diff --git a/rest_framework/templates/rest_framework/docs/langs/shell.html b/rest_framework/templates/rest_framework/docs/langs/shell.html
index d2744920c..e5f2a0322 100644
--- a/rest_framework/templates/rest_framework/docs/langs/shell.html
+++ b/rest_framework/templates/rest_framework/docs/langs/shell.html
@@ -1,6 +1,6 @@
 {% load rest_framework %}
-<pre class="highlight shell" data-language="shell"><code>{% code bash %}# Load the schema document
+<pre class="highlight shell hide" data-language="shell"><code>{% code bash %}# Load the schema document
 $ coreapi get {{ document.url }}{% if schema_format %} --format {{ schema_format }}{% endif %}
 
 # Interact with the API endpoint
-$ coreapi action {% if section_key %}{{ section_key }} {% endif %}{{ link_key }}{% for field in link.fields %} -p {{ field.name }}=...{% endfor %}{% endcode %}</code></pre>
+$ coreapi action {% if section_key %}{{ section_key }} {% endif %}{{ link_key|cut:"> " }}{% for field in link.fields %} -p {{ field.name }}=...{% endfor %}{% endcode %}</code></pre>
diff --git a/rest_framework/templates/rest_framework/docs/link.html b/rest_framework/templates/rest_framework/docs/link.html
index fc2320a5f..0f92a8873 100644
--- a/rest_framework/templates/rest_framework/docs/link.html
+++ b/rest_framework/templates/rest_framework/docs/link.html
@@ -29,7 +29,7 @@
         </thead>
         <tbody>
             {% for field in link.fields|with_location:'path' %}
-            <tr><td class="parameter-name"><code>{{ field.name }}</code>{% if field.required %} <span class="label label-warning">required</span>{% endif %}</td><td>{% if field.schema.description %}{{ field.schema.description }}{% endif %}</td></tr>
+            <tr><td class="parameter-name"><code>{{ field.name }}</code>{% if field.required %} <span class="label label-warning">required</span>{% endif %}</td><td>{% if field.schema.description %}{{ field.schema.description|safe }}{% endif %}</td></tr>
             {% endfor %}
         </tbody>
     </table>
@@ -43,7 +43,7 @@
         </thead>
         <tbody>
             {% for field in link.fields|with_location:'query' %}
-            <tr><td class="parameter-name"><code>{{ field.name }}</code>{% if field.required %} <span class="label label-warning">required</span>{% endif %}</td><td>{% if field.schema.description %}{{ field.schema.description }}{% endif %}</td></tr>
+            <tr><td class="parameter-name"><code>{{ field.name }}</code>{% if field.required %} <span class="label label-warning">required</span>{% endif %}</td><td>{% if field.schema.description %}{{ field.schema.description|safe }}{% endif %}</td></tr>
             {% endfor %}
         </tbody>
     </table>
@@ -57,7 +57,7 @@
         </thead>
         <tbody>
             {% for field in link.fields|with_location:'header' %}
-            <tr><td class="parameter-name"><code>{{ field.name }}</code>{% if field.required %} <span class="label label-warning">required</span>{% endif %}</td><td>{% if field.schema.description %}{{ field.schema.description }}{% endif %}</td></tr>
+            <tr><td class="parameter-name"><code>{{ field.name }}</code>{% if field.required %} <span class="label label-warning">required</span>{% endif %}</td><td>{% if field.schema.description %}{{ field.schema.description|safe }}{% endif %}</td></tr>
             {% endfor %}
         </tbody>
     </table>
@@ -71,7 +71,7 @@
         </thead>
         <tbody>
             {% for field in link.fields|with_location:'body' %}
-            <tr><td class="parameter-name"><code>{{ field.name }}</code>{% if field.required %} <span class="label label-warning">required</span>{% endif %}</td><td>{% if field.schema.description %}{{ field.schema.description }}{% endif %}</td></tr>
+            <tr><td class="parameter-name"><code>{{ field.name }}</code>{% if field.required %} <span class="label label-warning">required</span>{% endif %}</td><td>{% if field.schema.description %}{{ field.schema.description|safe }}{% endif %}</td></tr>
             {% endfor %}
         </tbody>
     </table>
@@ -84,7 +84,7 @@
         </thead>
         <tbody>
             {% for field in link.fields|with_location:'form' %}
-            <tr><td class="parameter-name"><code>{{ field.name }}</code>{% if field.required %} <span class="label label-warning">required</span>{% endif %}</td><td>{% if field.schema.description %}{{ field.schema.description }}{% endif %}</td></tr>
+            <tr><td class="parameter-name"><code>{{ field.name }}</code>{% if field.required %} <span class="label label-warning">required</span>{% endif %}</td><td>{% if field.schema.description %}{{ field.schema.description|safe }}{% endif %}</td></tr>
             {% endfor %}
         </tbody>
     </table>
@@ -93,9 +93,9 @@
 </div>
 
     <div class="col-md-6 code-samples">
-        {% if 'shell' in langs %}{% include "rest_framework/docs/langs/shell.html" %}{% endif %}
-        {% if 'python' in langs %}{% include "rest_framework/docs/langs/python.html" %}{% endif %}
-        {% if 'javascript' in langs %}{% include "rest_framework/docs/langs/javascript.html" %}{% endif %}
+        {% for html in lang_htmls %}
+            {% include html %}
+        {% endfor %}
     </div>
 </div>
 
diff --git a/rest_framework/templates/rest_framework/docs/sidebar.html b/rest_framework/templates/rest_framework/docs/sidebar.html
index d23787025..c318789f6 100644
--- a/rest_framework/templates/rest_framework/docs/sidebar.html
+++ b/rest_framework/templates/rest_framework/docs/sidebar.html
@@ -31,12 +31,12 @@
             </ul>
 
             <li data-toggle="collapse" data-target="#language-control" class="collapsed">
-                <a><i class="fa fa-code fa-lg"></i> Source Code</a> <span id="selected-language">shell</span>
+                <a><i class="fa fa-code fa-lg"></i> Source Code</a> <span id="selected-language">{{ langs | first }}</span>
             </li>
             <ul class="sub-menu collapse out" id="language-control">
-                <li class="active"><a href="#" data-language="shell">shell</a></li>
-                <li><a href="#" data-language="javascript">javascript</a></li>
-                <li><a href="#" data-language="python">python</a></li>
+            {% for lang in langs %}
+                <li{% if loop.first %} class="active"{% endif %}><a href="#" data-language="{{ lang }}">{{ lang }}</a></li>
+	    {% endfor %}
             </ul>
         </ul>
 
diff --git a/rest_framework/templates/rest_framework/horizontal/dict_field.html b/rest_framework/templates/rest_framework/horizontal/dict_field.html
new file mode 100644
index 000000000..7c7414bc4
--- /dev/null
+++ b/rest_framework/templates/rest_framework/horizontal/dict_field.html
@@ -0,0 +1,11 @@
+<div class="form-group">
+  {% if field.label %}
+    <label class="col-sm-2 control-label {% if style.hide_label %}sr-only{% endif %}">
+      {{ field.label }}
+    </label>
+  {% endif %}
+
+  <div class="col-sm-10">
+    <p class="form-control-static">Dictionaries are not currently supported in HTML input.</p>
+  </div>
+</div>
diff --git a/rest_framework/templates/rest_framework/horizontal/input.html b/rest_framework/templates/rest_framework/horizontal/input.html
index a6d657d7d..b90810008 100644
--- a/rest_framework/templates/rest_framework/horizontal/input.html
+++ b/rest_framework/templates/rest_framework/horizontal/input.html
@@ -6,7 +6,7 @@
   {% endif %}
 
   <div class="col-sm-10">
-    <input name="{{ field.name }}" {% if style.input_type != "file" %}class="form-control"{% endif %} type="{{ style.input_type }}" {% if style.placeholder %}placeholder="{{ style.placeholder }}"{% endif %} {% if field.value %}value="{{ field.value }}"{% endif %} {% if style.autofocus and style.input_type != "hidden" %}autofocus{% endif %}>
+    <input name="{{ field.name }}" {% if style.input_type != "file" %}class="form-control"{% endif %} type="{{ style.input_type }}" {% if style.placeholder %}placeholder="{{ style.placeholder }}"{% endif %} {% if field.value is not None %}value="{{ field.value }}"{% endif %} {% if style.autofocus and style.input_type != "hidden" %}autofocus{% endif %}>
 
     {% if field.errors %}
       {% for error in field.errors %}
diff --git a/rest_framework/templates/rest_framework/horizontal/list_field.html b/rest_framework/templates/rest_framework/horizontal/list_field.html
new file mode 100644
index 000000000..46a9b7ecd
--- /dev/null
+++ b/rest_framework/templates/rest_framework/horizontal/list_field.html
@@ -0,0 +1,11 @@
+<div class="form-group">
+  {% if field.label %}
+    <label class="col-sm-2 control-label {% if style.hide_label %}sr-only{% endif %}">
+      {{ field.label }}
+    </label>
+  {% endif %}
+
+  <div class="col-sm-10">
+    <p class="form-control-static">Lists are not currently supported in HTML input.</p>
+  </div>
+</div>
diff --git a/rest_framework/templates/rest_framework/inline/dict_field.html b/rest_framework/templates/rest_framework/inline/dict_field.html
new file mode 100644
index 000000000..1301452b9
--- /dev/null
+++ b/rest_framework/templates/rest_framework/inline/dict_field.html
@@ -0,0 +1,9 @@
+<div class="form-group">
+  {% if field.label %}
+    <label class="sr-only">
+      {{ field.label }}
+    </label>
+  {% endif %}
+
+  <p class="form-control-static">Dictionaries are not currently supported in HTML input.</p>
+</div>
diff --git a/rest_framework/templates/rest_framework/inline/input.html b/rest_framework/templates/rest_framework/inline/input.html
index 085c63cb3..26cdcb70c 100644
--- a/rest_framework/templates/rest_framework/inline/input.html
+++ b/rest_framework/templates/rest_framework/inline/input.html
@@ -5,5 +5,5 @@
     </label>
   {% endif %}
 
-  <input name="{{ field.name }}" {% if style.input_type != "file" %}class="form-control"{% endif %} type="{{ style.input_type }}" {% if style.placeholder %}placeholder="{{ style.placeholder }}"{% endif %} {% if field.value %}value="{{ field.value }}"{% endif %} {% if style.autofocus and style.input_type != "hidden" %}autofocus{% endif %}>
+  <input name="{{ field.name }}" {% if style.input_type != "file" %}class="form-control"{% endif %} type="{{ style.input_type }}" {% if style.placeholder %}placeholder="{{ style.placeholder }}"{% endif %} {% if field.value is not None %}value="{{ field.value }}"{% endif %} {% if style.autofocus and style.input_type != "hidden" %}autofocus{% endif %}>
 </div>
diff --git a/rest_framework/templates/rest_framework/inline/list_field.html b/rest_framework/templates/rest_framework/inline/list_field.html
new file mode 100644
index 000000000..321d01bd1
--- /dev/null
+++ b/rest_framework/templates/rest_framework/inline/list_field.html
@@ -0,0 +1,9 @@
+<div class="form-group">
+  {% if field.label %}
+    <label class="sr-only">
+      {{ field.label }}
+    </label>
+  {% endif %}
+
+  <p class="form-control-static">Lists are not currently supported in HTML input.</p>
+</div>
diff --git a/rest_framework/templates/rest_framework/login_base.html b/rest_framework/templates/rest_framework/login_base.html
index 631ad71ba..ba4891708 100644
--- a/rest_framework/templates/rest_framework/login_base.html
+++ b/rest_framework/templates/rest_framework/login_base.html
@@ -1,5 +1,4 @@
 {% extends "rest_framework/base.html" %}
-{% load staticfiles %}
 {% load rest_framework %}
 
 {% block body %}
diff --git a/rest_framework/templates/rest_framework/vertical/dict_field.html b/rest_framework/templates/rest_framework/vertical/dict_field.html
new file mode 100644
index 000000000..dde803b49
--- /dev/null
+++ b/rest_framework/templates/rest_framework/vertical/dict_field.html
@@ -0,0 +1,7 @@
+<div class="form-group">
+  {% if field.label %}
+    <label {% if style.hide_label %}class="sr-only"{% endif %}>{{ field.label }}</label>
+  {% endif %}
+
+  <p class="form-control-static">Dictionaries are not currently supported in HTML input.</p>
+</div>
diff --git a/rest_framework/templates/rest_framework/vertical/input.html b/rest_framework/templates/rest_framework/vertical/input.html
index a7cff2ca6..29c4370d5 100644
--- a/rest_framework/templates/rest_framework/vertical/input.html
+++ b/rest_framework/templates/rest_framework/vertical/input.html
@@ -3,7 +3,7 @@
     <label {% if style.hide_label %}class="sr-only"{% endif %}>{{ field.label }}</label>
   {% endif %}
 
-  <input name="{{ field.name }}" {% if style.input_type != "file" %}class="form-control"{% endif %} type="{{ style.input_type }}" {% if style.placeholder %}placeholder="{{ style.placeholder }}"{% endif %} {% if field.value %}value="{{ field.value }}"{% endif %} {% if style.autofocus and style.input_type != "hidden" %}autofocus{% endif %}>
+  <input name="{{ field.name }}" {% if style.input_type != "file" %}class="form-control"{% endif %} type="{{ style.input_type }}" {% if style.placeholder %}placeholder="{{ style.placeholder }}"{% endif %} {% if field.value is not None %}value="{{ field.value }}"{% endif %} {% if style.autofocus and style.input_type != "hidden" %}autofocus{% endif %}>
 
   {% if field.errors %}
     {% for error in field.errors %}
diff --git a/rest_framework/templates/rest_framework/vertical/list_field.html b/rest_framework/templates/rest_framework/vertical/list_field.html
new file mode 100644
index 000000000..47a60c5d9
--- /dev/null
+++ b/rest_framework/templates/rest_framework/vertical/list_field.html
@@ -0,0 +1,7 @@
+<div class="form-group">
+  {% if field.label %}
+    <label {% if style.hide_label %}class="sr-only"{% endif %}>{{ field.label }}</label>
+  {% endif %}
+
+  <p class="form-control-static">Lists are not currently supported in HTML input.</p>
+</div>
diff --git a/rest_framework/templatetags/rest_framework.py b/rest_framework/templatetags/rest_framework.py
index a331339a6..79dd953ff 100644
--- a/rest_framework/templatetags/rest_framework.py
+++ b/rest_framework/templatetags/rest_framework.py
@@ -1,13 +1,10 @@
-from __future__ import absolute_import, unicode_literals
-
 import re
 from collections import OrderedDict
 
 from django import template
 from django.template import loader
 from django.urls import NoReverseMatch, reverse
-from django.utils import six
-from django.utils.encoding import force_text, iri_to_uri
+from django.utils.encoding import force_str, iri_to_uri
 from django.utils.html import escape, format_html, smart_urlquote
 from django.utils.safestring import SafeData, mark_safe
 
@@ -175,7 +172,7 @@ def as_list_of_strings(value):
 @register.filter
 def add_class(value, css_class):
     """
-    http://stackoverflow.com/questions/4124220/django-adding-css-classes-when-rendering-form-fields-in-a-template
+    https://stackoverflow.com/questions/4124220/django-adding-css-classes-when-rendering-form-fields-in-a-template
 
     Inserts classes into template variables that contain HTML tags,
     useful for modifying forms without needing to change the Form objects.
@@ -187,7 +184,7 @@ def add_class(value, css_class):
     In the case of REST Framework, the filter is used to add Bootstrap-specific
     classes to the forms.
     """
-    html = six.text_type(value)
+    html = str(value)
     match = class_re.search(html)
     if match:
         m = re.search(r'^%s$|^%s\s|\s%s\s|\s%s$' % (css_class, css_class,
@@ -204,7 +201,7 @@ def add_class(value, css_class):
 @register.filter
 def format_value(value):
     if getattr(value, 'is_hyperlink', False):
-        name = six.text_type(value.obj)
+        name = str(value.obj)
         return mark_safe('<a href=%s>%s</a>' % (value, escape(name)))
     if value is None or isinstance(value, bool):
         return mark_safe('<code>%s</code>' % {True: 'true', False: 'false', None: 'null'}[value])
@@ -219,7 +216,7 @@ def format_value(value):
         template = loader.get_template('rest_framework/admin/dict_value.html')
         context = {'value': value}
         return template.render(context)
-    elif isinstance(value, six.string_types):
+    elif isinstance(value, str):
         if (
             (value.startswith('http:') or value.startswith('https:')) and not
             re.search(r'\s', value)
@@ -229,17 +226,21 @@ def format_value(value):
             return mark_safe('<a href="mailto:{value}">{value}</a>'.format(value=escape(value)))
         elif '\n' in value:
             return mark_safe('<pre>%s</pre>' % escape(value))
-    return six.text_type(value)
+    return str(value)
 
 
 @register.filter
 def items(value):
     """
     Simple filter to return the items of the dict. Useful when the dict may
-    have a key 'items' which is resolved first in Django tempalte dot-notation
+    have a key 'items' which is resolved first in Django template dot-notation
     lookup.  See issue #4931
     Also see: https://stackoverflow.com/questions/15416662/django-template-loop-over-dictionary-items-with-items-as-key
     """
+    if value is None:
+        # `{% for k, v in value.items %}` doesn't raise when value is None or
+        # not in the context, so neither should `{% for k, v in value|items %}`
+        return []
     return value.items()
 
 
@@ -310,7 +311,7 @@ def smart_urlquote_wrapper(matched_url):
         return None
 
 
-@register.filter
+@register.filter(needs_autoescape=True)
 def urlize_quoted_links(text, trim_url_limit=None, nofollow=True, autoescape=True):
     """
     Converts any URLs in text into clickable links.
@@ -332,7 +333,13 @@ def urlize_quoted_links(text, trim_url_limit=None, nofollow=True, autoescape=Tru
         return limit is not None and (len(x) > limit and ('%s...' % x[:max(0, limit - 3)])) or x
 
     safe_input = isinstance(text, SafeData)
-    words = word_split_re.split(force_text(text))
+
+    # Unfortunately, Django built-in cannot be used here, because escaping
+    # is to be performed on words, which have been forcibly coerced to text
+    def conditional_escape(text):
+        return escape(text) if autoescape and not safe_input else text
+
+    words = word_split_re.split(force_str(text))
     for i, word in enumerate(words):
         if '.' in word or '@' in word or ':' in word:
             # Deal with punctuation.
@@ -372,21 +379,15 @@ def urlize_quoted_links(text, trim_url_limit=None, nofollow=True, autoescape=Tru
             # Make link.
             if url:
                 trimmed = trim_url(middle)
-                if autoescape and not safe_input:
-                    lead, trail = escape(lead), escape(trail)
-                    url, trimmed = escape(url), escape(trimmed)
+                lead, trail = conditional_escape(lead), conditional_escape(trail)
+                url, trimmed = conditional_escape(url), conditional_escape(trimmed)
                 middle = '<a href="%s"%s>%s</a>' % (url, nofollow_attr, trimmed)
-                words[i] = mark_safe('%s%s%s' % (lead, middle, trail))
+                words[i] = '%s%s%s' % (lead, middle, trail)
             else:
-                if safe_input:
-                    words[i] = mark_safe(word)
-                elif autoescape:
-                    words[i] = escape(word)
-        elif safe_input:
-            words[i] = mark_safe(word)
-        elif autoescape:
-            words[i] = escape(word)
-    return ''.join(words)
+                words[i] = conditional_escape(word)
+        else:
+            words[i] = conditional_escape(word)
+    return mark_safe(''.join(words))
 
 
 @register.filter
diff --git a/rest_framework/test.py b/rest_framework/test.py
index ebad19a4e..ab16c2787 100644
--- a/rest_framework/test.py
+++ b/rest_framework/test.py
@@ -1,19 +1,15 @@
-# -- coding: utf-8 --
-
 # Note that we import as `DjangoRequestFactory` and `DjangoClient` in order
 # to make it harder for the user to import the wrong thing without realizing.
-from __future__ import unicode_literals
-
 import io
+from importlib import import_module
 
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
 from django.core.handlers.wsgi import WSGIHandler
-from django.test import testcases
+from django.test import override_settings, testcases
 from django.test.client import Client as DjangoClient
-from django.test.client import RequestFactory as DjangoRequestFactory
 from django.test.client import ClientHandler
-from django.utils import six
+from django.test.client import RequestFactory as DjangoRequestFactory
 from django.utils.encoding import force_bytes
 from django.utils.http import urlencode
 
@@ -31,7 +27,7 @@ if requests is not None:
         def get_all(self, key, default):
             return self.getheaders(key)
 
-    class MockOriginalResponse(object):
+    class MockOriginalResponse:
         def __init__(self, headers):
             self.msg = HeaderDict(headers)
             self.closed = False
@@ -108,7 +104,7 @@ if requests is not None:
 
     class RequestsClient(requests.Session):
         def __init__(self, *args, **kwargs):
-            super(RequestsClient, self).__init__(*args, **kwargs)
+            super().__init__(*args, **kwargs)
             adapter = DjangoTestAdapter()
             self.mount('http://', adapter)
             self.mount('https://', adapter)
@@ -116,7 +112,7 @@ if requests is not None:
         def request(self, method, url, *args, **kwargs):
             if not url.startswith('http'):
                 raise ValueError('Missing "http:" or "https:". Use a fully qualified URL, eg "http://testserver%s"' % url)
-            return super(RequestsClient, self).request(method, url, *args, **kwargs)
+            return super().request(method, url, *args, **kwargs)
 
 else:
     def RequestsClient(*args, **kwargs):
@@ -128,7 +124,7 @@ if coreapi is not None:
         def __init__(self, *args, **kwargs):
             self._session = RequestsClient()
             kwargs['transports'] = [coreapi.transports.HTTPTransport(session=self.session)]
-            return super(CoreAPIClient, self).__init__(*args, **kwargs)
+            return super().__init__(*args, **kwargs)
 
         @property
         def session(self):
@@ -148,7 +144,7 @@ class APIRequestFactory(DjangoRequestFactory):
         self.renderer_classes = {}
         for cls in self.renderer_classes_list:
             self.renderer_classes[cls.format] = cls
-        super(APIRequestFactory, self).__init__(**defaults)
+        super().__init__(**defaults)
 
     def _encode_data(self, data, format=None, content_type=None):
         """
@@ -170,11 +166,11 @@ class APIRequestFactory(DjangoRequestFactory):
             format = format or self.default_format
 
             assert format in self.renderer_classes, (
-                "Invalid format '{0}'. Available formats are {1}. "
+                "Invalid format '{}'. Available formats are {}. "
                 "Set TEST_REQUEST_RENDERER_CLASSES to enable "
                 "extra request formats.".format(
                     format,
-                    ', '.join(["'" + fmt + "'" for fmt in self.renderer_classes.keys()])
+                    ', '.join(["'" + fmt + "'" for fmt in self.renderer_classes])
                 )
             )
 
@@ -183,13 +179,13 @@ class APIRequestFactory(DjangoRequestFactory):
             ret = renderer.render(data)
 
             # Determine the content-type header from the renderer
-            content_type = "{0}; charset={1}".format(
+            content_type = "{}; charset={}".format(
                 renderer.media_type, renderer.charset
             )
 
             # Coerce text to bytes if required.
-            if isinstance(ret, six.text_type):
-                ret = bytes(ret.encode(renderer.charset))
+            if isinstance(ret, str):
+                ret = ret.encode(renderer.charset)
 
         return ret, content_type
 
@@ -201,8 +197,7 @@ class APIRequestFactory(DjangoRequestFactory):
             # Fix to support old behavior where you have the arguments in the
             # url. See #1461.
             query_string = force_bytes(path.split('?')[1])
-            if six.PY3:
-                query_string = query_string.decode('iso-8859-1')
+            query_string = query_string.decode('iso-8859-1')
             r['QUERY_STRING'] = query_string
         r.update(extra)
         return self.generic('GET', path, **r)
@@ -233,11 +228,11 @@ class APIRequestFactory(DjangoRequestFactory):
         if content_type is not None:
             extra['CONTENT_TYPE'] = str(content_type)
 
-        return super(APIRequestFactory, self).generic(
+        return super().generic(
             method, path, data, content_type, secure, **extra)
 
     def request(self, **kwargs):
-        request = super(APIRequestFactory, self).request(**kwargs)
+        request = super().request(**kwargs)
         request._dont_enforce_csrf_checks = not self.enforce_csrf_checks
         return request
 
@@ -251,18 +246,18 @@ class ForceAuthClientHandler(ClientHandler):
     def __init__(self, *args, **kwargs):
         self._force_user = None
         self._force_token = None
-        super(ForceAuthClientHandler, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def get_response(self, request):
         # This is the simplest place we can hook into to patch the
         # request object.
         force_authenticate(request, self._force_user, self._force_token)
-        return super(ForceAuthClientHandler, self).get_response(request)
+        return super().get_response(request)
 
 
 class APIClient(APIRequestFactory, DjangoClient):
     def __init__(self, enforce_csrf_checks=False, **defaults):
-        super(APIClient, self).__init__(**defaults)
+        super().__init__(**defaults)
         self.handler = ForceAuthClientHandler(enforce_csrf_checks)
         self._credentials = {}
 
@@ -285,17 +280,17 @@ class APIClient(APIRequestFactory, DjangoClient):
     def request(self, **kwargs):
         # Ensure that any credentials set get added to every request.
         kwargs.update(self._credentials)
-        return super(APIClient, self).request(**kwargs)
+        return super().request(**kwargs)
 
     def get(self, path, data=None, follow=False, **extra):
-        response = super(APIClient, self).get(path, data=data, **extra)
+        response = super().get(path, data=data, **extra)
         if follow:
             response = self._handle_redirects(response, **extra)
         return response
 
     def post(self, path, data=None, format=None, content_type=None,
              follow=False, **extra):
-        response = super(APIClient, self).post(
+        response = super().post(
             path, data=data, format=format, content_type=content_type, **extra)
         if follow:
             response = self._handle_redirects(response, **extra)
@@ -303,7 +298,7 @@ class APIClient(APIRequestFactory, DjangoClient):
 
     def put(self, path, data=None, format=None, content_type=None,
             follow=False, **extra):
-        response = super(APIClient, self).put(
+        response = super().put(
             path, data=data, format=format, content_type=content_type, **extra)
         if follow:
             response = self._handle_redirects(response, **extra)
@@ -311,7 +306,7 @@ class APIClient(APIRequestFactory, DjangoClient):
 
     def patch(self, path, data=None, format=None, content_type=None,
               follow=False, **extra):
-        response = super(APIClient, self).patch(
+        response = super().patch(
             path, data=data, format=format, content_type=content_type, **extra)
         if follow:
             response = self._handle_redirects(response, **extra)
@@ -319,7 +314,7 @@ class APIClient(APIRequestFactory, DjangoClient):
 
     def delete(self, path, data=None, format=None, content_type=None,
                follow=False, **extra):
-        response = super(APIClient, self).delete(
+        response = super().delete(
             path, data=data, format=format, content_type=content_type, **extra)
         if follow:
             response = self._handle_redirects(response, **extra)
@@ -327,7 +322,7 @@ class APIClient(APIRequestFactory, DjangoClient):
 
     def options(self, path, data=None, format=None, content_type=None,
                 follow=False, **extra):
-        response = super(APIClient, self).options(
+        response = super().options(
             path, data=data, format=format, content_type=content_type, **extra)
         if follow:
             response = self._handle_redirects(response, **extra)
@@ -341,7 +336,7 @@ class APIClient(APIRequestFactory, DjangoClient):
         self.handler._force_token = None
 
         if self.session:
-            super(APIClient, self).logout()
+            super().logout()
 
 
 class APITransactionTestCase(testcases.TransactionTestCase):
@@ -358,3 +353,44 @@ class APISimpleTestCase(testcases.SimpleTestCase):
 
 class APILiveServerTestCase(testcases.LiveServerTestCase):
     client_class = APIClient
+
+
+class URLPatternsTestCase(testcases.SimpleTestCase):
+    """
+    Isolate URL patterns on a per-TestCase basis. For example,
+
+    class ATestCase(URLPatternsTestCase):
+        urlpatterns = [...]
+
+        def test_something(self):
+            ...
+
+    class AnotherTestCase(URLPatternsTestCase):
+        urlpatterns = [...]
+
+        def test_something_else(self):
+            ...
+    """
+    @classmethod
+    def setUpClass(cls):
+        # Get the module of the TestCase subclass
+        cls._module = import_module(cls.__module__)
+        cls._override = override_settings(ROOT_URLCONF=cls.__module__)
+
+        if hasattr(cls._module, 'urlpatterns'):
+            cls._module_urlpatterns = cls._module.urlpatterns
+
+        cls._module.urlpatterns = cls.urlpatterns
+
+        cls._override.enable()
+        super().setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super().tearDownClass()
+        cls._override.disable()
+
+        if hasattr(cls, '_module_urlpatterns'):
+            cls._module.urlpatterns = cls._module_urlpatterns
+        else:
+            del cls._module.urlpatterns
diff --git a/rest_framework/throttling.py b/rest_framework/throttling.py
index 422431566..0ba2ba66b 100644
--- a/rest_framework/throttling.py
+++ b/rest_framework/throttling.py
@@ -1,8 +1,6 @@
 """
 Provides various throttling policies.
 """
-from __future__ import unicode_literals
-
 import time
 
 from django.core.cache import cache as default_cache
@@ -11,7 +9,7 @@ from django.core.exceptions import ImproperlyConfigured
 from rest_framework.settings import api_settings
 
 
-class BaseThrottle(object):
+class BaseThrottle:
     """
     Rate throttling of requests.
     """
@@ -54,7 +52,7 @@ class SimpleRateThrottle(BaseThrottle):
     A simple cache implementation, that only requires `.get_cache_key()`
     to be overridden.
 
-    The rate (requests / seconds) is set by a `throttle` attribute on the View
+    The rate (requests / seconds) is set by a `rate` attribute on the View
     class.  The attribute is a string of the form 'number_of_requests/period'.
 
     Period should be one of: ('s', 'sec', 'm', 'min', 'h', 'hour', 'd', 'day')
@@ -232,7 +230,7 @@ class ScopedRateThrottle(SimpleRateThrottle):
         self.num_requests, self.duration = self.parse_rate(self.rate)
 
         # We can now proceed as normal.
-        return super(ScopedRateThrottle, self).allow_request(request, view)
+        return super().allow_request(request, view)
 
     def get_cache_key(self, request, view):
         """
diff --git a/rest_framework/urlpatterns.py b/rest_framework/urlpatterns.py
index 4aabc7f14..831d344dd 100644
--- a/rest_framework/urlpatterns.py
+++ b/rest_framework/urlpatterns.py
@@ -1,12 +1,38 @@
-from __future__ import unicode_literals
-
 from django.conf.urls import include, url
 
-from rest_framework.compat import URLResolver, get_regex_pattern
+from rest_framework.compat import (
+    URLResolver, get_regex_pattern, is_route_pattern, path, register_converter
+)
 from rest_framework.settings import api_settings
 
 
-def apply_suffix_patterns(urlpatterns, suffix_pattern, suffix_required):
+def _get_format_path_converter(suffix_kwarg, allowed):
+    if allowed:
+        if len(allowed) == 1:
+            allowed_pattern = allowed[0]
+        else:
+            allowed_pattern = '(?:%s)' % '|'.join(allowed)
+        suffix_pattern = r"\.%s/?" % allowed_pattern
+    else:
+        suffix_pattern = r"\.[a-z0-9]+/?"
+
+    class FormatSuffixConverter:
+        regex = suffix_pattern
+
+        def to_python(self, value):
+            return value.strip('./')
+
+        def to_url(self, value):
+            return '.' + value + '/'
+
+    converter_name = 'drf_format_suffix'
+    if allowed:
+        converter_name += '_' + '_'.join(allowed)
+
+    return converter_name, FormatSuffixConverter
+
+
+def apply_suffix_patterns(urlpatterns, suffix_pattern, suffix_required, suffix_route=None):
     ret = []
     for urlpattern in urlpatterns:
         if isinstance(urlpattern, URLResolver):
@@ -18,8 +44,18 @@ def apply_suffix_patterns(urlpatterns, suffix_pattern, suffix_required):
             # Add in the included patterns, after applying the suffixes
             patterns = apply_suffix_patterns(urlpattern.url_patterns,
                                              suffix_pattern,
-                                             suffix_required)
-            ret.append(url(regex, include((patterns, app_name), namespace), kwargs))
+                                             suffix_required,
+                                             suffix_route)
+
+            # if the original pattern was a RoutePattern we need to preserve it
+            if is_route_pattern(urlpattern):
+                assert path is not None
+                route = str(urlpattern.pattern)
+                new_pattern = path(route, include((patterns, app_name), namespace), kwargs)
+            else:
+                new_pattern = url(regex, include((patterns, app_name), namespace), kwargs)
+
+            ret.append(new_pattern)
         else:
             # Regular URL pattern
             regex = get_regex_pattern(urlpattern).rstrip('$').rstrip('/') + suffix_pattern
@@ -29,7 +65,17 @@ def apply_suffix_patterns(urlpatterns, suffix_pattern, suffix_required):
             # Add in both the existing and the new urlpattern
             if not suffix_required:
                 ret.append(urlpattern)
-            ret.append(url(regex, view, kwargs, name))
+
+            # if the original pattern was a RoutePattern we need to preserve it
+            if is_route_pattern(urlpattern):
+                assert path is not None
+                assert suffix_route is not None
+                route = str(urlpattern.pattern).rstrip('$').rstrip('/') + suffix_route
+                new_pattern = path(route, view, kwargs, name)
+            else:
+                new_pattern = url(regex, view, kwargs, name)
+
+            ret.append(new_pattern)
 
     return ret
 
@@ -60,4 +106,12 @@ def format_suffix_patterns(urlpatterns, suffix_required=False, allowed=None):
     else:
         suffix_pattern = r'\.(?P<%s>[a-z0-9]+)/?$' % suffix_kwarg
 
-    return apply_suffix_patterns(urlpatterns, suffix_pattern, suffix_required)
+    if path and register_converter:
+        converter_name, suffix_converter = _get_format_path_converter(suffix_kwarg, allowed)
+        register_converter(suffix_converter, converter_name)
+
+        suffix_route = '<%s:%s>' % (converter_name, suffix_kwarg)
+    else:
+        suffix_route = None
+
+    return apply_suffix_patterns(urlpatterns, suffix_pattern, suffix_required, suffix_route)
diff --git a/rest_framework/urls.py b/rest_framework/urls.py
index 80fce5dc4..482a0a364 100644
--- a/rest_framework/urls.py
+++ b/rest_framework/urls.py
@@ -11,24 +11,11 @@ your API requires authentication:
 
 You should make sure your authentication settings include `SessionAuthentication`.
 """
-from __future__ import unicode_literals
-
-import django
 from django.conf.urls import url
 from django.contrib.auth import views
 
-if django.VERSION < (1, 11):
-    login = views.login
-    login_kwargs = {'template_name': 'rest_framework/login.html'}
-    logout = views.logout
-else:
-    login = views.LoginView.as_view(template_name='rest_framework/login.html')
-    login_kwargs = {}
-    logout = views.LogoutView.as_view()
-
-
 app_name = 'rest_framework'
 urlpatterns = [
-    url(r'^login/$', login, login_kwargs, name='login'),
-    url(r'^logout/$', logout, name='logout'),
+    url(r'^login/$', views.LoginView.as_view(template_name='rest_framework/login.html'), name='login'),
+    url(r'^logout/$', views.LogoutView.as_view(), name='logout'),
 ]
diff --git a/rest_framework/utils/breadcrumbs.py b/rest_framework/utils/breadcrumbs.py
index 4915eb978..54990e9f6 100644
--- a/rest_framework/utils/breadcrumbs.py
+++ b/rest_framework/utils/breadcrumbs.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.urls import get_script_prefix, resolve
 
 
@@ -30,7 +28,6 @@ def get_breadcrumbs(url, request=None):
                 # Probably an optional trailing slash.
                 if not seen or seen[-1] != view:
                     c = cls(**initkwargs)
-                    c.suffix = getattr(view, 'suffix', None)
                     name = c.get_view_name()
                     insert_url = preserve_builtin_query_params(prefix + url, request)
                     breadcrumbs_list.insert(0, (name, insert_url))
diff --git a/rest_framework/utils/encoders.py b/rest_framework/utils/encoders.py
index 148a2c9c0..27293b725 100644
--- a/rest_framework/utils/encoders.py
+++ b/rest_framework/utils/encoders.py
@@ -1,16 +1,14 @@
 """
 Helper classes for parsers.
 """
-from __future__ import absolute_import, unicode_literals
-
 import datetime
 import decimal
 import json  # noqa
 import uuid
 
 from django.db.models.query import QuerySet
-from django.utils import six, timezone
-from django.utils.encoding import force_text
+from django.utils import timezone
+from django.utils.encoding import force_str
 from django.utils.functional import Promise
 
 from rest_framework.compat import coreapi
@@ -23,9 +21,9 @@ class JSONEncoder(json.JSONEncoder):
     """
     def default(self, obj):
         # For Date Time string spec, see ECMA 262
-        # http://ecma-international.org/ecma-262/5.1/#sec-15.9.1.15
+        # https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.15
         if isinstance(obj, Promise):
-            return force_text(obj)
+            return force_str(obj)
         elif isinstance(obj, datetime.datetime):
             representation = obj.isoformat()
             if representation.endswith('+00:00'):
@@ -39,17 +37,17 @@ class JSONEncoder(json.JSONEncoder):
             representation = obj.isoformat()
             return representation
         elif isinstance(obj, datetime.timedelta):
-            return six.text_type(obj.total_seconds())
+            return str(obj.total_seconds())
         elif isinstance(obj, decimal.Decimal):
             # Serializers will coerce decimals to strings by default.
             return float(obj)
         elif isinstance(obj, uuid.UUID):
-            return six.text_type(obj)
+            return str(obj)
         elif isinstance(obj, QuerySet):
             return tuple(obj)
-        elif isinstance(obj, six.binary_type):
+        elif isinstance(obj, bytes):
             # Best-effort for binary blobs. See #4187.
-            return obj.decode('utf-8')
+            return obj.decode()
         elif hasattr(obj, 'tolist'):
             # Numpy arrays and array scalars.
             return obj.tolist()
@@ -59,10 +57,11 @@ class JSONEncoder(json.JSONEncoder):
                 'You should be using a schema renderer instead for this view.'
             )
         elif hasattr(obj, '__getitem__'):
+            cls = (list if isinstance(obj, (list, tuple)) else dict)
             try:
-                return dict(obj)
+                return cls(obj)
             except Exception:
                 pass
         elif hasattr(obj, '__iter__'):
             return tuple(item for item in obj)
-        return super(JSONEncoder, self).default(obj)
+        return super().default(obj)
diff --git a/rest_framework/utils/field_mapping.py b/rest_framework/utils/field_mapping.py
index 722981b20..b90c3eead 100644
--- a/rest_framework/utils/field_mapping.py
+++ b/rest_framework/utils/field_mapping.py
@@ -12,11 +12,11 @@ from rest_framework.compat import postgres_fields
 from rest_framework.validators import UniqueValidator
 
 NUMERIC_FIELD_TYPES = (
-    models.IntegerField, models.FloatField, models.DecimalField
+    models.IntegerField, models.FloatField, models.DecimalField, models.DurationField,
 )
 
 
-class ClassLookupDict(object):
+class ClassLookupDict:
     """
     Takes a dictionary with classes as keys.
     Lookups against this object will traverses the object's inheritance
@@ -88,6 +88,9 @@ def get_field_kwargs(field_name, model_field):
     if decimal_places is not None:
         kwargs['decimal_places'] = decimal_places
 
+    if isinstance(model_field, models.SlugField):
+        kwargs['allow_unicode'] = model_field.allow_unicode
+
     if isinstance(model_field, models.TextField) or (postgres_fields and isinstance(model_field, postgres_fields.JSONField)):
         kwargs['style'] = {'base_template': 'textarea.html'}
 
@@ -103,10 +106,12 @@ def get_field_kwargs(field_name, model_field):
     if model_field.null and not isinstance(model_field, models.NullBooleanField):
         kwargs['allow_null'] = True
 
-    if model_field.blank and (isinstance(model_field, models.CharField) or
-                              isinstance(model_field, models.TextField)):
+    if model_field.blank and (isinstance(model_field, (models.CharField, models.TextField))):
         kwargs['allow_blank'] = True
 
+    if not model_field.blank and (postgres_fields and isinstance(model_field, postgres_fields.ArrayField)):
+        kwargs['allow_empty'] = False
+
     if isinstance(model_field, models.FilePathField):
         kwargs['path'] = model_field.path
 
@@ -190,9 +195,7 @@ def get_field_kwargs(field_name, model_field):
     # Ensure that max_length is passed explicitly as a keyword arg,
     # rather than as a validator.
     max_length = getattr(model_field, 'max_length', None)
-    if max_length is not None and (isinstance(model_field, models.CharField) or
-                                   isinstance(model_field, models.TextField) or
-                                   isinstance(model_field, models.FileField)):
+    if max_length is not None and (isinstance(model_field, (models.CharField, models.TextField, models.FileField))):
         kwargs['max_length'] = max_length
         validator_kwarg = [
             validator for validator in validator_kwarg
@@ -246,6 +249,12 @@ def get_relation_kwargs(field_name, relation_info):
     if to_field:
         kwargs['to_field'] = to_field
 
+    limit_choices_to = model_field and model_field.get_limit_choices_to()
+    if limit_choices_to:
+        if not isinstance(limit_choices_to, models.Q):
+            limit_choices_to = models.Q(**limit_choices_to)
+        kwargs['queryset'] = kwargs['queryset'].filter(limit_choices_to)
+
     if has_through_model:
         kwargs['read_only'] = True
         kwargs.pop('queryset', None)
diff --git a/rest_framework/utils/formatting.py b/rest_framework/utils/formatting.py
index aa805f14e..c5917fd41 100644
--- a/rest_framework/utils/formatting.py
+++ b/rest_framework/utils/formatting.py
@@ -1,11 +1,9 @@
 """
 Utility functions to return a formatted name and description for a given view.
 """
-from __future__ import unicode_literals
-
 import re
 
-from django.utils.encoding import force_text
+from django.utils.encoding import force_str
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
 
@@ -31,7 +29,7 @@ def dedent(content):
     as it fails to dedent multiline docstrings that include
     unindented text on the initial line.
     """
-    content = force_text(content)
+    content = force_str(content)
     lines = [line for line in content.splitlines()[1:] if line.lstrip()]
 
     # unindent the content if needed
@@ -67,3 +65,29 @@ def markup_description(description):
         description = escape(description).replace('\n', '<br />')
         description = '<p>' + description + '</p>'
     return mark_safe(description)
+
+
+class lazy_format:
+    """
+    Delay formatting until it's actually needed.
+
+    Useful when the format string or one of the arguments is lazy.
+
+    Not using Django's lazy because it is too slow.
+    """
+    __slots__ = ('format_string', 'args', 'kwargs', 'result')
+
+    def __init__(self, format_string, *args, **kwargs):
+        self.result = None
+        self.format_string = format_string
+        self.args = args
+        self.kwargs = kwargs
+
+    def __str__(self):
+        if self.result is None:
+            self.result = self.format_string.format(*self.args, **self.kwargs)
+            self.format_string, self.args, self.kwargs = None, None, None
+        return self.result
+
+    def __mod__(self, value):
+        return str(self) % value
diff --git a/rest_framework/utils/html.py b/rest_framework/utils/html.py
index ca062c9fc..c7ede7803 100644
--- a/rest_framework/utils/html.py
+++ b/rest_framework/utils/html.py
@@ -12,7 +12,7 @@ def is_html_input(dictionary):
     return hasattr(dictionary, 'getlist')
 
 
-def parse_html_list(dictionary, prefix=''):
+def parse_html_list(dictionary, prefix='', default=None):
     """
     Used to support list values in HTML forms.
     Supports lists of primitives and/or dictionaries.
@@ -44,6 +44,8 @@ def parse_html_list(dictionary, prefix=''):
         {'foo': 'abc', 'bar': 'def'},
         {'foo': 'hij', 'bar': 'klm'}
     ]
+
+    :returns a list of objects, or the value specified in ``default`` if the list is empty
     """
     ret = {}
     regex = re.compile(r'^%s\[([0-9]+)\](.*)$' % re.escape(prefix))
@@ -59,7 +61,9 @@ def parse_html_list(dictionary, prefix=''):
             ret[index][key] = value
         else:
             ret[index] = MultiValueDict({key: [value]})
-    return [ret[item] for item in sorted(ret.keys())]
+
+    # return the items of the ``ret`` dict, sorted by key, or ``default`` if the dict is empty
+    return [ret[item] for item in sorted(ret)] if ret else default
 
 
 def parse_html_dict(dictionary, prefix=''):
diff --git a/rest_framework/utils/humanize_datetime.py b/rest_framework/utils/humanize_datetime.py
index 649f2abc6..48ef89547 100644
--- a/rest_framework/utils/humanize_datetime.py
+++ b/rest_framework/utils/humanize_datetime.py
@@ -13,7 +13,7 @@ def datetime_formats(formats):
 
 
 def date_formats(formats):
-    format = ', '.join(formats).replace(ISO_8601, 'YYYY[-MM[-DD]]')
+    format = ', '.join(formats).replace(ISO_8601, 'YYYY-MM-DD')
     return humanize_strptime(format)
 
 
diff --git a/rest_framework/utils/json.py b/rest_framework/utils/json.py
index cb5572380..1c1e69bf1 100644
--- a/rest_framework/utils/json.py
+++ b/rest_framework/utils/json.py
@@ -5,9 +5,6 @@ REST framework should always import this wrapper module in order to maintain
 spec-compliant encoding/decoding. Support for non-standard features should be
 handled by users at the renderer and parser layer.
 """
-
-from __future__ import absolute_import
-
 import functools
 import json  # noqa
 
diff --git a/rest_framework/utils/mediatypes.py b/rest_framework/utils/mediatypes.py
index 9fe3da05b..40bdf2615 100644
--- a/rest_framework/utils/mediatypes.py
+++ b/rest_framework/utils/mediatypes.py
@@ -1,12 +1,9 @@
 """
 Handling of media types, as found in HTTP Content-Type and Accept headers.
 
-See http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.7
+See https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.7
 """
-from __future__ import unicode_literals
-
 from django.http.multipartparser import parse_header
-from django.utils.encoding import python_2_unicode_compatible
 
 from rest_framework import HTTP_HEADER_ENCODING
 
@@ -46,8 +43,7 @@ def order_by_precedence(media_type_lst):
     return [media_types for media_types in ret if media_types]
 
 
-@python_2_unicode_compatible
-class _MediaType(object):
+class _MediaType:
     def __init__(self, media_type_str):
         self.orig = '' if (media_type_str is None) else media_type_str
         self.full_type, self.params = parse_header(self.orig.encode(HTTP_HEADER_ENCODING))
@@ -55,7 +51,7 @@ class _MediaType(object):
 
     def match(self, other):
         """Return true if this MediaType satisfies the given MediaType."""
-        for key in self.params.keys():
+        for key in self.params:
             if key != 'q' and other.params.get(key, None) != self.params.get(key, None):
                 return False
 
@@ -76,7 +72,7 @@ class _MediaType(object):
             return 0
         elif self.sub_type == '*':
             return 1
-        elif not self.params or list(self.params.keys()) == ['q']:
+        elif not self.params or list(self.params) == ['q']:
             return 2
         return 3
 
diff --git a/rest_framework/utils/representation.py b/rest_framework/utils/representation.py
index deeaf1f63..6f2efee16 100644
--- a/rest_framework/utils/representation.py
+++ b/rest_framework/utils/representation.py
@@ -2,16 +2,12 @@
 Helper functions for creating user-friendly representations
 of serializer classes and serializer fields.
 """
-from __future__ import unicode_literals
-
 import re
 
 from django.db import models
-from django.utils.encoding import force_text
+from django.utils.encoding import force_str
 from django.utils.functional import Promise
 
-from rest_framework.compat import unicode_repr
-
 
 def manager_repr(value):
     model = value.model
@@ -32,9 +28,9 @@ def smart_repr(value):
         return manager_repr(value)
 
     if isinstance(value, Promise) and value._delegate_text:
-        value = force_text(value)
+        value = force_str(value)
 
-    value = unicode_repr(value)
+    value = repr(value)
 
     # Representations like u'help text'
     # should simply be presented as 'help text'
@@ -45,9 +41,7 @@ def smart_repr(value):
     # <django.core.validators.RegexValidator object at 0x1047af050>
     # Should be presented as
     # <django.core.validators.RegexValidator object>
-    value = re.sub(' at 0x[0-9A-Fa-f]{4,32}>', '>', value)
-
-    return value
+    return re.sub(' at 0x[0-9A-Fa-f]{4,32}>', '>', value)
 
 
 def field_repr(field, force_many=False):
diff --git a/rest_framework/utils/serializer_helpers.py b/rest_framework/utils/serializer_helpers.py
index 6b662a66c..b18fbe0df 100644
--- a/rest_framework/utils/serializer_helpers.py
+++ b/rest_framework/utils/serializer_helpers.py
@@ -1,11 +1,8 @@
-from __future__ import unicode_literals
-
-import collections
 from collections import OrderedDict
+from collections.abc import MutableMapping
 
-from django.utils.encoding import force_text
+from django.utils.encoding import force_str
 
-from rest_framework.compat import unicode_to_repr
 from rest_framework.utils import json
 
 
@@ -18,7 +15,7 @@ class ReturnDict(OrderedDict):
 
     def __init__(self, *args, **kwargs):
         self.serializer = kwargs.pop('serializer')
-        super(ReturnDict, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def copy(self):
         return ReturnDict(self, serializer=self.serializer)
@@ -41,7 +38,7 @@ class ReturnList(list):
 
     def __init__(self, *args, **kwargs):
         self.serializer = kwargs.pop('serializer')
-        super(ReturnList, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def __repr__(self):
         return list.__repr__(self)
@@ -52,7 +49,7 @@ class ReturnList(list):
         return (list, (list(self),))
 
 
-class BoundField(object):
+class BoundField:
     """
     A field object that also includes `.value` and `.error` properties.
     Returned when iterating over a serializer instance,
@@ -74,9 +71,9 @@ class BoundField(object):
         return self._field.__class__
 
     def __repr__(self):
-        return unicode_to_repr('<%s value=%s errors=%s>' % (
+        return '<%s value=%s errors=%s>' % (
             self.__class__.__name__, self.value, self.errors
-        ))
+        )
 
     def as_form_field(self):
         value = '' if (self.value is None or self.value is False) else self.value
@@ -104,9 +101,9 @@ class NestedBoundField(BoundField):
     """
 
     def __init__(self, field, value, errors, prefix=''):
-        if value is None or value is '':
+        if value is None or value == '':
             value = {}
-        super(NestedBoundField, self).__init__(field, value, errors, prefix)
+        super().__init__(field, value, errors, prefix)
 
     def __iter__(self):
         for field in self.fields.values():
@@ -126,11 +123,11 @@ class NestedBoundField(BoundField):
             if isinstance(value, (list, dict)):
                 values[key] = value
             else:
-                values[key] = '' if (value is None or value is False) else force_text(value)
+                values[key] = '' if (value is None or value is False) else force_str(value)
         return self.__class__(self._field, values, self.errors, self._prefix)
 
 
-class BindingDict(collections.MutableMapping):
+class BindingDict(MutableMapping):
     """
     This dict-like object is used to store fields on a serializer.
 
diff --git a/rest_framework/utils/urls.py b/rest_framework/utils/urls.py
index 3766928d4..3534e5f49 100644
--- a/rest_framework/utils/urls.py
+++ b/rest_framework/utils/urls.py
@@ -1,5 +1,6 @@
+from urllib import parse
+
 from django.utils.encoding import force_str
-from django.utils.six.moves.urllib import parse as urlparse
 
 
 def replace_query_param(url, key, val):
@@ -7,11 +8,11 @@ def replace_query_param(url, key, val):
     Given a URL and a key/val pair, set or replace an item in the query
     parameters of the URL, and return the new URL.
     """
-    (scheme, netloc, path, query, fragment) = urlparse.urlsplit(force_str(url))
-    query_dict = urlparse.parse_qs(query, keep_blank_values=True)
+    (scheme, netloc, path, query, fragment) = parse.urlsplit(force_str(url))
+    query_dict = parse.parse_qs(query, keep_blank_values=True)
     query_dict[force_str(key)] = [force_str(val)]
-    query = urlparse.urlencode(sorted(list(query_dict.items())), doseq=True)
-    return urlparse.urlunsplit((scheme, netloc, path, query, fragment))
+    query = parse.urlencode(sorted(list(query_dict.items())), doseq=True)
+    return parse.urlunsplit((scheme, netloc, path, query, fragment))
 
 
 def remove_query_param(url, key):
@@ -19,8 +20,8 @@ def remove_query_param(url, key):
     Given a URL and a key/val pair, remove an item in the query
     parameters of the URL, and return the new URL.
     """
-    (scheme, netloc, path, query, fragment) = urlparse.urlsplit(force_str(url))
-    query_dict = urlparse.parse_qs(query, keep_blank_values=True)
+    (scheme, netloc, path, query, fragment) = parse.urlsplit(force_str(url))
+    query_dict = parse.parse_qs(query, keep_blank_values=True)
     query_dict.pop(key, None)
-    query = urlparse.urlencode(sorted(list(query_dict.items())), doseq=True)
-    return urlparse.urlunsplit((scheme, netloc, path, query, fragment))
+    query = parse.urlencode(sorted(list(query_dict.items())), doseq=True)
+    return parse.urlunsplit((scheme, netloc, path, query, fragment))
diff --git a/rest_framework/validators.py b/rest_framework/validators.py
index 2ea3e5ac1..1cbe31b5e 100644
--- a/rest_framework/validators.py
+++ b/rest_framework/validators.py
@@ -6,12 +6,9 @@ This gives us better separation of concerns, allows us to use single-step
 object creation, and makes it possible to switch between using the implicit
 `ModelSerializer` class and an equivalent explicit `Serializer` class.
 """
-from __future__ import unicode_literals
-
 from django.db import DataError
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
-from rest_framework.compat import unicode_to_repr
 from rest_framework.exceptions import ValidationError
 from rest_framework.utils.representation import smart_repr
 
@@ -33,7 +30,7 @@ def qs_filter(queryset, **kwargs):
         return queryset.none()
 
 
-class UniqueValidator(object):
+class UniqueValidator:
     """
     Validator that corresponds to `unique=True` on a model field.
 
@@ -82,13 +79,13 @@ class UniqueValidator(object):
             raise ValidationError(self.message, code='unique')
 
     def __repr__(self):
-        return unicode_to_repr('<%s(queryset=%s)>' % (
+        return '<%s(queryset=%s)>' % (
             self.__class__.__name__,
             smart_repr(self.queryset)
-        ))
+        )
 
 
-class UniqueTogetherValidator(object):
+class UniqueTogetherValidator:
     """
     Validator that corresponds to `unique_together = (...)` on a model class.
 
@@ -170,14 +167,14 @@ class UniqueTogetherValidator(object):
             raise ValidationError(message, code='unique')
 
     def __repr__(self):
-        return unicode_to_repr('<%s(queryset=%s, fields=%s)>' % (
+        return '<%s(queryset=%s, fields=%s)>' % (
             self.__class__.__name__,
             smart_repr(self.queryset),
             smart_repr(self.fields)
-        ))
+        )
 
 
-class BaseUniqueForValidator(object):
+class BaseUniqueForValidator:
     message = None
     missing_message = _('This field is required.')
 
@@ -236,12 +233,12 @@ class BaseUniqueForValidator(object):
             }, code='unique')
 
     def __repr__(self):
-        return unicode_to_repr('<%s(queryset=%s, field=%s, date_field=%s)>' % (
+        return '<%s(queryset=%s, field=%s, date_field=%s)>' % (
             self.__class__.__name__,
             smart_repr(self.queryset),
             smart_repr(self.field),
             smart_repr(self.date_field)
-        ))
+        )
 
 
 class UniqueForDateValidator(BaseUniqueForValidator):
diff --git a/rest_framework/versioning.py b/rest_framework/versioning.py
index 5c9a7ade1..8c35a1a58 100644
--- a/rest_framework/versioning.py
+++ b/rest_framework/versioning.py
@@ -1,9 +1,6 @@
-# coding: utf-8
-from __future__ import unicode_literals
-
 import re
 
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from rest_framework import exceptions
 from rest_framework.compat import unicode_http_header
@@ -13,7 +10,7 @@ from rest_framework.templatetags.rest_framework import replace_query_param
 from rest_framework.utils.mediatypes import _MediaType
 
 
-class BaseVersioning(object):
+class BaseVersioning:
     default_version = api_settings.DEFAULT_VERSION
     allowed_versions = api_settings.ALLOWED_VERSIONS
     version_param = api_settings.VERSION_PARAM
@@ -75,6 +72,9 @@ class URLPathVersioning(BaseVersioning):
 
     def determine_version(self, request, *args, **kwargs):
         version = kwargs.get(self.version_param, self.default_version)
+        if version is None:
+            version = self.default_version
+
         if not self.is_allowed_version(version):
             raise exceptions.NotFound(self.invalid_version_message)
         return version
@@ -84,7 +84,7 @@ class URLPathVersioning(BaseVersioning):
             kwargs = {} if (kwargs is None) else kwargs
             kwargs[self.version_param] = request.version
 
-        return super(URLPathVersioning, self).reverse(
+        return super().reverse(
             viewname, args, kwargs, request, format, **extra
         )
 
@@ -130,7 +130,7 @@ class NamespaceVersioning(BaseVersioning):
     def reverse(self, viewname, args=None, kwargs=None, request=None, format=None, **extra):
         if request.version is not None:
             viewname = self.get_versioned_viewname(viewname, request)
-        return super(NamespaceVersioning, self).reverse(
+        return super().reverse(
             viewname, args, kwargs, request, format, **extra
         )
 
@@ -176,7 +176,7 @@ class QueryParameterVersioning(BaseVersioning):
         return version
 
     def reverse(self, viewname, args=None, kwargs=None, request=None, format=None, **extra):
-        url = super(QueryParameterVersioning, self).reverse(
+        url = super().reverse(
             viewname, args, kwargs, request, format, **extra
         )
         if request.version is not None:
diff --git a/rest_framework/views.py b/rest_framework/views.py
index 3140bb9a3..bec10560a 100644
--- a/rest_framework/views.py
+++ b/rest_framework/views.py
@@ -1,53 +1,61 @@
 """
 Provides an APIView class that is the base of all views in REST framework.
 """
-from __future__ import unicode_literals
-
 from django.conf import settings
 from django.core.exceptions import PermissionDenied
 from django.db import connection, models, transaction
 from django.http import Http404
 from django.http.response import HttpResponseBase
-from django.utils import six
 from django.utils.cache import cc_delim_re, patch_vary_headers
 from django.utils.encoding import smart_text
-from django.utils.translation import ugettext_lazy as _
 from django.views.decorators.csrf import csrf_exempt
 from django.views.generic import View
 
 from rest_framework import exceptions, status
 from rest_framework.request import Request
 from rest_framework.response import Response
-from rest_framework.schemas import AutoSchema
+from rest_framework.schemas import DefaultSchema
 from rest_framework.settings import api_settings
 from rest_framework.utils import formatting
 
 
-def get_view_name(view_cls, suffix=None):
+def get_view_name(view):
     """
-    Given a view class, return a textual name to represent the view.
+    Given a view instance, return a textual name to represent the view.
     This name is used in the browsable API, and in OPTIONS responses.
 
     This function is the default for the `VIEW_NAME_FUNCTION` setting.
     """
-    name = view_cls.__name__
+    # Name may be set by some Views, such as a ViewSet.
+    name = getattr(view, 'name', None)
+    if name is not None:
+        return name
+
+    name = view.__class__.__name__
     name = formatting.remove_trailing_string(name, 'View')
     name = formatting.remove_trailing_string(name, 'ViewSet')
     name = formatting.camelcase_to_spaces(name)
+
+    # Suffix may be set by some Views, such as a ViewSet.
+    suffix = getattr(view, 'suffix', None)
     if suffix:
         name += ' ' + suffix
 
     return name
 
 
-def get_view_description(view_cls, html=False):
+def get_view_description(view, html=False):
     """
-    Given a view class, return a textual description to represent the view.
+    Given a view instance, return a textual description to represent the view.
     This name is used in the browsable API, and in OPTIONS responses.
 
     This function is the default for the `VIEW_DESCRIPTION_FUNCTION` setting.
     """
-    description = view_cls.__doc__ or ''
+    # Description may be set by some Views, such as a ViewSet.
+    description = getattr(view, 'description', None)
+    if description is None:
+        description = view.__class__.__doc__ or ''
+
     description = formatting.dedent(smart_text(description))
     if html:
         return formatting.markup_description(description)
@@ -70,6 +78,11 @@ def exception_handler(exc, context):
     Any unhandled exceptions may return `None`, which will cause a 500 error
     to be raised.
     """
+    if isinstance(exc, Http404):
+        exc = exceptions.NotFound()
+    elif isinstance(exc, PermissionDenied):
+        exc = exceptions.PermissionDenied()
+
     if isinstance(exc, exceptions.APIException):
         headers = {}
         if getattr(exc, 'auth_header', None):
@@ -85,20 +98,6 @@ def exception_handler(exc, context):
         set_rollback()
         return Response(data, status=exc.status_code, headers=headers)
 
-    elif isinstance(exc, Http404):
-        msg = _('Not found.')
-        data = {'detail': six.text_type(msg)}
-
-        set_rollback()
-        return Response(data, status=status.HTTP_404_NOT_FOUND)
-
-    elif isinstance(exc, PermissionDenied):
-        msg = _('Permission denied.')
-        data = {'detail': six.text_type(msg)}
-
-        set_rollback()
-        return Response(data, status=status.HTTP_403_FORBIDDEN)
-
     return None
 
 
@@ -117,7 +116,7 @@ class APIView(View):
     # Allow dependency injection of other settings to make testing easier.
     settings = api_settings
 
-    schema = AutoSchema()
+    schema = DefaultSchema()
 
     @classmethod
     def as_view(cls, **initkwargs):
@@ -136,7 +135,7 @@ class APIView(View):
                 )
             cls.queryset._fetch_all = force_evaluation
 
-        view = super(APIView, cls).as_view(**initkwargs)
+        view = super().as_view(**initkwargs)
         view.cls = cls
         view.initkwargs = initkwargs
 
@@ -235,7 +234,7 @@ class APIView(View):
         browsable API.
         """
         func = self.settings.VIEW_NAME_FUNCTION
-        return func(self.__class__, getattr(self, 'suffix', None))
+        return func(self)
 
     def get_view_description(self, html=False):
         """
@@ -243,7 +242,7 @@ class APIView(View):
         and in the browsable API.
         """
         func = self.settings.VIEW_DESCRIPTION_FUNCTION
-        return func(self.__class__, html)
+        return func(self, html)
 
     # API policy instantiation methods
 
@@ -351,9 +350,21 @@ class APIView(View):
         Check if request should be throttled.
         Raises an appropriate exception if the request is throttled.
         """
+        throttle_durations = []
         for throttle in self.get_throttles():
             if not throttle.allow_request(request, self):
-                self.throttled(request, throttle.wait())
+                throttle_durations.append(throttle.wait())
+
+        if throttle_durations:
+            # Filter out `None` values which may happen in case of config / rate
+            # changes, see #1438
+            durations = [
+                duration for duration in throttle_durations
+                if duration is not None
+            ]
+
+            duration = max(durations, default=None)
+            self.throttled(request, duration)
 
     def determine_version(self, request, *args, **kwargs):
         """
@@ -462,7 +473,7 @@ class APIView(View):
             renderer_format = getattr(request.accepted_renderer, 'format')
             use_plaintext_traceback = renderer_format not in ('html', 'api', 'admin')
             request.force_plaintext_errors(use_plaintext_traceback)
-        raise
+        raise exc
 
     # Note: Views are made CSRF exempt from within `as_view` as to prevent
     # accidental removal of this exemption in cases where `dispatch` needs to
diff --git a/rest_framework/viewsets.py b/rest_framework/viewsets.py
index 4ee7cdaf8..d94c81df4 100644
--- a/rest_framework/viewsets.py
+++ b/rest_framework/viewsets.py
@@ -16,10 +16,11 @@ automatically.
     router.register(r'users', UserViewSet, 'user')
     urlpatterns = router.urls
 """
-from __future__ import unicode_literals
-
+from collections import OrderedDict
 from functools import update_wrapper
+from inspect import getmembers
 
+from django.urls import NoReverseMatch
 from django.utils.decorators import classonlymethod
 from django.views.decorators.csrf import csrf_exempt
 
@@ -27,7 +28,11 @@ from rest_framework import generics, mixins, views
 from rest_framework.reverse import reverse
 
 
-class ViewSetMixin(object):
+def _is_extra_action(attr):
+    return hasattr(attr, 'mapping')
+
+
+class ViewSetMixin:
     """
     This is the magic.
 
@@ -47,10 +52,19 @@ class ViewSetMixin(object):
         instantiated view, we need to totally reimplement `.as_view`,
         and slightly modify the view function that is created and returned.
         """
+        # The name and description initkwargs may be explicitly overridden for
+        # certain route configurations. eg, names of extra actions.
+        cls.name = None
+        cls.description = None
+
         # The suffix initkwarg is reserved for displaying the viewset type.
+        # This initkwarg should have no effect if the name is provided.
         # eg. 'List' or 'Instance'.
         cls.suffix = None
 
+        # The detail initkwarg is reserved for introspecting the viewset type.
+        cls.detail = None
+
         # Setting a basename allows a view to reverse its action urls. This
         # value is provided by the router through the initkwargs.
         cls.basename = None
@@ -71,6 +85,11 @@ class ViewSetMixin(object):
                 raise TypeError("%s() received an invalid keyword %r" % (
                     cls.__name__, key))
 
+        # name and suffix are mutually exclusive
+        if 'name' in initkwargs and 'suffix' in initkwargs:
+            raise TypeError("%s() received both `name` and `suffix`, which are "
+                            "mutually exclusive arguments." % (cls.__name__))
+
         def view(request, *args, **kwargs):
             self = cls(**initkwargs)
             # We also store the mapping of request methods to actions,
@@ -106,16 +125,14 @@ class ViewSetMixin(object):
         # resolved URL.
         view.cls = cls
         view.initkwargs = initkwargs
-        view.suffix = initkwargs.get('suffix', None)
         view.actions = actions
         return csrf_exempt(view)
 
     def initialize_request(self, request, *args, **kwargs):
         """
-        Set the `.action` attribute on the view,
-        depending on the request method.
+        Set the `.action` attribute on the view, depending on the request method.
         """
-        request = super(ViewSetMixin, self).initialize_request(request, *args, **kwargs)
+        request = super().initialize_request(request, *args, **kwargs)
         method = request.method.lower()
         if method == 'options':
             # This is a special case as we always provide handling for the
@@ -135,6 +152,42 @@ class ViewSetMixin(object):
 
         return reverse(url_name, *args, **kwargs)
 
+    @classmethod
+    def get_extra_actions(cls):
+        """
+        Get the methods that are marked as an extra ViewSet `@action`.
+        """
+        return [method for _, method in getmembers(cls, _is_extra_action)]
+
+    def get_extra_action_url_map(self):
+        """
+        Build a map of {names: urls} for the extra actions.
+
+        This method will noop if `detail` was not provided as a view initkwarg.
+        """
+        action_urls = OrderedDict()
+
+        # exit early if `detail` has not been provided
+        if self.detail is None:
+            return action_urls
+
+        # filter for the relevant extra actions
+        actions = [
+            action for action in self.get_extra_actions()
+            if action.detail == self.detail
+        ]
+
+        for action in actions:
+            try:
+                url_name = '%s-%s' % (self.basename, action.url_name)
+                url = reverse(url_name, self.args, self.kwargs, request=self.request)
+                view = self.__class__(**action.kwargs)
+                action_urls[view.get_view_name()] = url
+            except NoReverseMatch:
+                pass  # URL requires additional arguments, ignore
+
+        return action_urls
+
 
 class ViewSet(ViewSetMixin, views.APIView):
     """
diff --git a/runtests.py b/runtests.py
index b24a2635d..968c344f8 100755
--- a/runtests.py
+++ b/runtests.py
@@ -1,37 +1,32 @@
-#! /usr/bin/env python
-from __future__ import print_function  # pragma nocover
+#! /usr/bin/env python3
+import subprocess
+import sys
 
-import os  # pragma nocover
-import subprocess  # pragma nocover
-import sys  # pragma nocover
+import pytest
 
-import pytest  # pragma nocover
-
-PYTEST_ARGS = {  # pragma nocover
-    'default': ['tests', '--tb=short', '-s', '-rw'],
-    'fast': ['tests', '--tb=short', '-q', '-s', '-rw'],
+PYTEST_ARGS = {
+    'default': [],
+    'fast': ['-q'],
 }
 
-FLAKE8_ARGS = ['rest_framework', 'tests']  # pragma nocover
+FLAKE8_ARGS = ['rest_framework', 'tests']
 
-ISORT_ARGS = ['--recursive', '--check-only', '-o' 'uritemplate', '-p', 'tests', 'rest_framework', 'tests']  # pragma nocover
-
-sys.path.append(os.path.dirname(__file__))  # pragma nocover
+ISORT_ARGS = ['--recursive', '--check-only', '--diff', 'rest_framework', 'tests']
 
 
-def exit_on_failure(ret, message=None):  # pragma nocover
+def exit_on_failure(ret, message=None):
     if ret:
         sys.exit(ret)
 
 
-def flake8_main(args):  # pragma nocover
+def flake8_main(args):
     print('Running flake8 code linting')
     ret = subprocess.call(['flake8'] + args)
     print('flake8 failed' if ret else 'flake8 passed')
     return ret
 
 
-def isort_main(args):  # pragma nocover
+def isort_main(args):
     print('Running isort code checking')
     ret = subprocess.call(['isort'] + args)
 
@@ -43,22 +38,22 @@ def isort_main(args):  # pragma nocover
     return ret
 
 
-def split_class_and_function(string):  # pragma nocover
+def split_class_and_function(string):
     class_string, function_string = string.split('.', 1)
     return "%s and %s" % (class_string, function_string)
 
 
-def is_function(string):  # pragma nocover
+def is_function(string):
     # `True` if it looks like a test function is included in the string.
     return string.startswith('test_') or '.test_' in string
 
 
-def is_class(string):  # pragma nocover
+def is_class(string):
     # `True` if first character is uppercase - assume it's a class name.
     return string[0] == string[0].upper()
 
 
-if __name__ == "__main__":  # pragma nocover
+if __name__ == "__main__":
     try:
         sys.argv.remove('--nolint')
     except ValueError:
@@ -94,10 +89,9 @@ if __name__ == "__main__":  # pragma nocover
             pass
         else:
             pytest_args = [
-                '--cov-report',
-                'xml',
-                '--cov',
-                'rest_framework'] + pytest_args
+                '--cov', '.',
+                '--cov-report', 'xml',
+            ] + pytest_args
 
         if first_arg.startswith('-'):
             # `runtests.py [flags]`
@@ -120,4 +114,4 @@ if __name__ == "__main__":  # pragma nocover
         exit_on_failure(flake8_main(FLAKE8_ARGS))
 
     if run_isort:
-        exit_on_failure(isort_main(ISORT_ARGS))
+        exit_on_failure(isort_main(ISORT_ARGS))
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
index aa34f62b7..81da18b1c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,9 +1,30 @@
-[bdist_wheel]
-universal = 1
-
 [metadata]
 license_file = LICENSE.md
 
+[tool:pytest]
+addopts=--tb=short --strict -ra
+testspath = tests
+
 [flake8]
-ignore = E501
+ignore = E501,W504
 banned-modules = json = use from rest_framework.utils import json!
+
+[isort]
+skip=.tox
+atomic=true
+multi_line_output=5
+known_standard_library=types
+known_third_party=pytest,_pytest,django,pytz,uritemplate
+known_first_party=rest_framework,tests
+
+[coverage:run]
+# NOTE: source is ignored with pytest-cov (but uses the same).
+source = .
+include = rest_framework/*,tests/*
+branch = 1
+
+[coverage:report]
+include = rest_framework/*,tests/*
+exclude_lines =
+    pragma: no cover
+    raise NotImplementedError
diff --git a/setup.py b/setup.py
index 0f0ef8497..379034b06 100755
--- a/setup.py
+++ b/setup.py
@@ -1,26 +1,41 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-import os  # pragma nocover
-import re  # pragma nocover
-import shutil  # pragma nocover
-import sys  # pragma nocover
-from io import open  # pragma nocover
+#!/usr/bin/env python3
+import os
+import re
+import shutil
+import sys
+from io import open
 
-from setuptools import setup, find_packages  # pragma nocover
+from setuptools import find_packages, setup
 
-try:  # pragma nocover
-    from pypandoc import convert_file
+CURRENT_PYTHON = sys.version_info[:2]
+REQUIRED_PYTHON = (3, 5)
 
-    def read_md(f):
-        return convert_file(f, 'rst')
-except ImportError:  # pragma nocover
-    print("warning: pypandoc module not found, could not convert Markdown to RST")
-
-    def read_md(f):  # pragma nocover
-        return open(f, 'r', encoding='utf-8').read()
+# This check and everything above must remain compatible with Python 2.7.
+if CURRENT_PYTHON < REQUIRED_PYTHON:
+    sys.stderr.write("""
+==========================
+Unsupported Python version
+==========================
+This version of Django REST Framework requires Python {}.{}, but you're trying
+to install it on Python {}.{}.
+This may be because you are using a version of pip that doesn't
+understand the python_requires classifier. Make sure you
+have pip >= 9.0 and setuptools >= 24.2, then try again:
+    $ python -m pip install --upgrade pip setuptools
+    $ python -m pip install djangorestframework
+This will install the latest version of Django REST Framework which works on
+your version of Python. If you can't upgrade your pip (or Python), request
+an older version of Django REST Framework:
+    $ python -m pip install "django<3.10"
+""".format(*(REQUIRED_PYTHON + CURRENT_PYTHON)))
+    sys.exit(1)
 
 
-def get_version(package):  # pragma nocover
+def read(f):
+    return open(f, 'r', encoding='utf-8').read()
+
+
+def get_version(package):
     """
     Return package version as listed in `__version__` in `init.py`.
     """
@@ -28,18 +43,18 @@ def get_version(package):  # pragma nocover
     return re.search("__version__ = ['\"]([^'\"]+)['\"]", init_py).group(1)
 
 
-version = get_version('rest_framework')  # pragma nocover
+version = get_version('rest_framework')
 
 
-if sys.argv[-1] == 'publish':  # pragma nocover
-    try:
-        import pypandoc
-    except ImportError:
-        print("pypandoc not installed.\nUse `pip install pypandoc`.\nExiting.")
+if sys.argv[-1] == 'publish':
     if os.system("pip freeze | grep twine"):
         print("twine not installed.\nUse `pip install twine`.\nExiting.")
         sys.exit()
     os.system("python setup.py sdist bdist_wheel")
+    if os.system("twine check dist/*"):
+        print("twine check failed. Packages might be outdated.")
+        print("Try using `pip install -U twine wheel`.\nExiting.")
+        sys.exit()
     os.system("twine upload dist/*")
     print("You probably want to also tag the version now:")
     print("  git tag -a %s -m 'version %s'" % (version, version))
@@ -50,41 +65,49 @@ if sys.argv[-1] == 'publish':  # pragma nocover
     sys.exit()
 
 
-setup(  # pragma nocover
+setup(
     name='djangorestframework',
     version=version,
-    url='http://www.django-rest-framework.org',
+    url='https://www.django-rest-framework.org/',
     license='BSD',
     description='Web APIs for Django, made easy.',
-    long_description=read_md('README.md'),
+    long_description=read('README.md'),
+    long_description_content_type='text/markdown',
     author='Tom Christie',
     author_email='tom@tomchristie.com',  # SEE NOTE BELOW (*)
     packages=find_packages(exclude=['tests*']),
     include_package_data=True,
     install_requires=[],
+    python_requires=">=3.5",
     zip_safe=False,
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Environment :: Web Environment',
         'Framework :: Django',
-        'Framework :: Django :: 1.10',
         'Framework :: Django :: 1.11',
+        'Framework :: Django :: 2.0',
+        'Framework :: Django :: 2.1',
+        'Framework :: Django :: 2.2',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3 :: Only',
         'Topic :: Internet :: WWW/HTTP',
-    ]
+    ],
+    project_urls={
+        'Funding': 'https://fund.django-rest-framework.org/topics/funding/',
+        'Source': 'https://github.com/encode/django-rest-framework',
+    },
 )
 
 # (*) Please direct queries to the discussion group, rather than to me directly
 #     Doing so helps ensure your question is helpful to other users.
 #     Queries directly to my email are likely to receive a canned response.
 #
-#     Many thanks for your understanding.
+#     Many thanks for your understanding.
\ No newline at end of file
diff --git a/tests/authentication/__init__.py b/tests/authentication/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/authentication/migrations/0001_initial.py b/tests/authentication/migrations/0001_initial.py
new file mode 100644
index 000000000..548b3576b
--- /dev/null
+++ b/tests/authentication/migrations/0001_initial.py
@@ -0,0 +1,21 @@
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CustomToken',
+            fields=[
+                ('key', models.CharField(max_length=40, primary_key=True, serialize=False)),
+                ('user', models.OneToOneField(on_delete=models.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]
diff --git a/tests/authentication/migrations/__init__.py b/tests/authentication/migrations/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/authentication/models.py b/tests/authentication/models.py
new file mode 100644
index 000000000..1a721de4d
--- /dev/null
+++ b/tests/authentication/models.py
@@ -0,0 +1,7 @@
+from django.conf import settings
+from django.db import models
+
+
+class CustomToken(models.Model):
+    key = models.CharField(max_length=40, primary_key=True)
+    user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
diff --git a/tests/test_authentication.py b/tests/authentication/test_authentication.py
similarity index 92%
rename from tests/test_authentication.py
rename to tests/authentication/test_authentication.py
index c08ea6970..37e265e17 100644
--- a/tests/test_authentication.py
+++ b/tests/authentication/test_authentication.py
@@ -1,16 +1,11 @@
-# coding: utf-8
-
-from __future__ import unicode_literals
-
 import base64
 
 import pytest
+from django.conf import settings
 from django.conf.urls import include, url
 from django.contrib.auth.models import User
-from django.db import models
 from django.http import HttpResponse
 from django.test import TestCase, override_settings
-from django.utils import six
 
 from rest_framework import (
     HTTP_HEADER_ENCODING, exceptions, permissions, renderers, status
@@ -25,14 +20,11 @@ from rest_framework.response import Response
 from rest_framework.test import APIClient, APIRequestFactory
 from rest_framework.views import APIView
 
+from .models import CustomToken
+
 factory = APIRequestFactory()
 
 
-class CustomToken(models.Model):
-    key = models.CharField(max_length=40, primary_key=True)
-    user = models.OneToOneField(User, on_delete=models.CASCADE)
-
-
 class CustomTokenAuthentication(TokenAuthentication):
     model = CustomToken
 
@@ -86,7 +78,7 @@ urlpatterns = [
 ]
 
 
-@override_settings(ROOT_URLCONF='tests.test_authentication')
+@override_settings(ROOT_URLCONF=__name__)
 class BasicAuthTests(TestCase):
     """Basic authentication"""
     def setUp(self):
@@ -168,7 +160,7 @@ class BasicAuthTests(TestCase):
         assert response.status_code == status.HTTP_401_UNAUTHORIZED
 
 
-@override_settings(ROOT_URLCONF='tests.test_authentication')
+@override_settings(ROOT_URLCONF=__name__)
 class SessionAuthTests(TestCase):
     """User session authentication"""
     def setUp(self):
@@ -191,7 +183,7 @@ class SessionAuthTests(TestCase):
         cf. [#1810](https://github.com/encode/django-rest-framework/pull/1810)
         """
         response = self.csrf_client.get('/auth/login/')
-        content = response.content.decode('utf8')
+        content = response.content.decode()
         assert '<label for="id_username">Username:</label>' in content
 
     def test_post_form_session_auth_failing_csrf(self):
@@ -202,6 +194,26 @@ class SessionAuthTests(TestCase):
         response = self.csrf_client.post('/session/', {'example': 'example'})
         assert response.status_code == status.HTTP_403_FORBIDDEN
 
+    def test_post_form_session_auth_passing_csrf(self):
+        """
+        Ensure POSTing form over session authentication with CSRF token succeeds.
+        Regression test for #6088
+        """
+        from django.middleware.csrf import _get_new_csrf_token
+
+        self.csrf_client.login(username=self.username, password=self.password)
+
+        # Set the csrf_token cookie so that CsrfViewMiddleware._get_token() works
+        token = _get_new_csrf_token()
+        self.csrf_client.cookies[settings.CSRF_COOKIE_NAME] = token
+
+        # Post the token matching the cookie value
+        response = self.csrf_client.post('/session/', {
+            'example': 'example',
+            'csrfmiddlewaretoken': token,
+        })
+        assert response.status_code == status.HTTP_200_OK
+
     def test_post_form_session_auth_passing(self):
         """
         Ensure POSTing form over session authentication with logged in
@@ -236,7 +248,7 @@ class SessionAuthTests(TestCase):
         assert response.status_code == status.HTTP_403_FORBIDDEN
 
 
-class BaseTokenAuthTests(object):
+class BaseTokenAuthTests:
     """Token authentication"""
     model = None
     path = None
@@ -349,7 +361,7 @@ class BaseTokenAuthTests(object):
         assert response.status_code == status.HTTP_401_UNAUTHORIZED
 
 
-@override_settings(ROOT_URLCONF='tests.test_authentication')
+@override_settings(ROOT_URLCONF=__name__)
 class TokenAuthTests(BaseTokenAuthTests, TestCase):
     model = Token
     path = '/token/'
@@ -364,7 +376,7 @@ class TokenAuthTests(BaseTokenAuthTests, TestCase):
         """Ensure generate_key returns a string"""
         token = self.model()
         key = token.generate_key()
-        assert isinstance(key, six.string_types)
+        assert isinstance(key, str)
 
     def test_token_login_json(self):
         """Ensure token login view using JSON POST works."""
@@ -408,13 +420,13 @@ class TokenAuthTests(BaseTokenAuthTests, TestCase):
         assert response.data['token'] == self.key
 
 
-@override_settings(ROOT_URLCONF='tests.test_authentication')
+@override_settings(ROOT_URLCONF=__name__)
 class CustomTokenAuthTests(BaseTokenAuthTests, TestCase):
     model = CustomToken
     path = '/customtoken/'
 
 
-@override_settings(ROOT_URLCONF='tests.test_authentication')
+@override_settings(ROOT_URLCONF=__name__)
 class CustomKeywordTokenAuthTests(BaseTokenAuthTests, TestCase):
     model = Token
     path = '/customkeywordtoken/'
@@ -517,18 +529,20 @@ class BasicAuthenticationUnitTests(TestCase):
     def test_basic_authentication_raises_error_if_user_not_active(self):
         from rest_framework import authentication
 
-        class MockUser(object):
+        class MockUser:
             is_active = False
         old_authenticate = authentication.authenticate
         authentication.authenticate = lambda **kwargs: MockUser()
-        auth = authentication.BasicAuthentication()
-        with pytest.raises(exceptions.AuthenticationFailed) as error:
-            auth.authenticate_credentials('foo', 'bar')
-        assert 'User inactive or deleted.' in str(error)
-        authentication.authenticate = old_authenticate
+        try:
+            auth = authentication.BasicAuthentication()
+            with pytest.raises(exceptions.AuthenticationFailed) as exc_info:
+                auth.authenticate_credentials('foo', 'bar')
+            assert 'User inactive or deleted.' in str(exc_info.value)
+        finally:
+            authentication.authenticate = old_authenticate
 
 
-@override_settings(ROOT_URLCONF='tests.test_authentication',
+@override_settings(ROOT_URLCONF=__name__,
                    AUTHENTICATION_BACKENDS=('django.contrib.auth.backends.RemoteUserBackend',))
 class RemoteUserAuthenticationUnitTests(TestCase):
     def setUp(self):
diff --git a/tests/browsable_api/auth_urls.py b/tests/browsable_api/auth_urls.py
index 0e9379717..7530c5e40 100644
--- a/tests/browsable_api/auth_urls.py
+++ b/tests/browsable_api/auth_urls.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.conf.urls import include, url
 
 from .views import MockView
diff --git a/tests/browsable_api/no_auth_urls.py b/tests/browsable_api/no_auth_urls.py
index 5fc95c727..348bfe1c0 100644
--- a/tests/browsable_api/no_auth_urls.py
+++ b/tests/browsable_api/no_auth_urls.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.conf.urls import url
 
 from .views import MockView
diff --git a/tests/browsable_api/test_browsable_api.py b/tests/browsable_api/test_browsable_api.py
index 684d7ae14..17644c2ac 100644
--- a/tests/browsable_api/test_browsable_api.py
+++ b/tests/browsable_api/test_browsable_api.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.contrib.auth.models import User
 from django.test import TestCase, override_settings
 
@@ -26,18 +24,18 @@ class DropdownWithAuthTests(TestCase):
     def test_name_shown_when_logged_in(self):
         self.client.login(username=self.username, password=self.password)
         response = self.client.get('/')
-        content = response.content.decode('utf8')
+        content = response.content.decode()
         assert 'john' in content
 
     def test_logout_shown_when_logged_in(self):
         self.client.login(username=self.username, password=self.password)
         response = self.client.get('/')
-        content = response.content.decode('utf8')
+        content = response.content.decode()
         assert '>Log out<' in content
 
     def test_login_shown_when_logged_out(self):
         response = self.client.get('/')
-        content = response.content.decode('utf8')
+        content = response.content.decode()
         assert '>Log in<' in content
 
 
@@ -61,16 +59,16 @@ class NoDropdownWithoutAuthTests(TestCase):
     def test_name_shown_when_logged_in(self):
         self.client.login(username=self.username, password=self.password)
         response = self.client.get('/')
-        content = response.content.decode('utf8')
+        content = response.content.decode()
         assert 'john' in content
 
     def test_dropdown_not_shown_when_logged_in(self):
         self.client.login(username=self.username, password=self.password)
         response = self.client.get('/')
-        content = response.content.decode('utf8')
+        content = response.content.decode()
         assert '<li class="dropdown">' not in content
 
     def test_dropdown_not_shown_when_logged_out(self):
         response = self.client.get('/')
-        content = response.content.decode('utf8')
+        content = response.content.decode()
         assert '<li class="dropdown">' not in content
diff --git a/tests/browsable_api/test_browsable_nested_api.py b/tests/browsable_api/test_browsable_nested_api.py
index 8f38b3c4e..f945d2a43 100644
--- a/tests/browsable_api/test_browsable_nested_api.py
+++ b/tests/browsable_api/test_browsable_nested_api.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.conf.urls import url
 from django.test import TestCase
 from django.test.utils import override_settings
@@ -36,7 +34,7 @@ class DropdownWithAuthTests(TestCase):
     def test_login(self):
         response = self.client.get('/api/')
         assert 200 == response.status_code
-        content = response.content.decode('utf-8')
+        content = response.content.decode()
         assert 'form action="/api/"' in content
         assert 'input name="nested.one"' in content
         assert 'input name="nested.two"' in content
diff --git a/tests/browsable_api/views.py b/tests/browsable_api/views.py
index 03758f10b..e1cf13a1e 100644
--- a/tests/browsable_api/views.py
+++ b/tests/browsable_api/views.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from rest_framework import authentication, renderers
 from rest_framework.response import Response
 from rest_framework.views import APIView
diff --git a/tests/conftest.py b/tests/conftest.py
index 9906935d7..ac29e4a42 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,12 +1,22 @@
-def pytest_configure():
-    from django.conf import settings
+import os
+import sys
 
-    MIDDLEWARE = (
-        'django.middleware.common.CommonMiddleware',
-        'django.contrib.sessions.middleware.SessionMiddleware',
-        'django.contrib.auth.middleware.AuthenticationMiddleware',
-        'django.contrib.messages.middleware.MessageMiddleware',
-    )
+import django
+from django.core import management
+
+
+def pytest_addoption(parser):
+    parser.addoption('--no-pkgroot', action='store_true', default=False,
+                     help='Remove package root directory from sys.path, ensuring that '
+                          'rest_framework is imported from the installed site-packages. '
+                          'Used for testing the distribution.')
+    parser.addoption('--staticfiles', action='store_true', default=False,
+                     help='Run tests with static files collection, using manifest '
+                          'staticfiles storage. Used for testing the distribution.')
+
+
+def pytest_configure(config):
+    from django.conf import settings
 
     settings.configure(
         DEBUG_PROPAGATE_EXCEPTIONS=True,
@@ -31,9 +41,14 @@ def pytest_configure():
                 }
             },
         ],
-        MIDDLEWARE=MIDDLEWARE,
-        MIDDLEWARE_CLASSES=MIDDLEWARE,
+        MIDDLEWARE=(
+            'django.middleware.common.CommonMiddleware',
+            'django.contrib.sessions.middleware.SessionMiddleware',
+            'django.contrib.auth.middleware.AuthenticationMiddleware',
+            'django.contrib.messages.middleware.MessageMiddleware',
+        ),
         INSTALLED_APPS=(
+            'django.contrib.admin',
             'django.contrib.auth',
             'django.contrib.contenttypes',
             'django.contrib.sessions',
@@ -41,6 +56,8 @@ def pytest_configure():
             'django.contrib.staticfiles',
             'rest_framework',
             'rest_framework.authtoken',
+            'tests.authentication',
+            'tests.generic_relations',
             'tests.importable',
             'tests',
         ),
@@ -64,8 +81,21 @@ def pytest_configure():
             'guardian',
         )
 
-    try:
-        import django
-        django.setup()
-    except AttributeError:
-        pass
+    if config.getoption('--no-pkgroot'):
+        sys.path.pop(0)
+
+        # import rest_framework before pytest re-adds the package root directory.
+        import rest_framework
+        package_dir = os.path.join(os.getcwd(), 'rest_framework')
+        assert not rest_framework.__file__.startswith(package_dir)
+
+    # Manifest storage will raise an exception if static files are not present (ie, a packaging failure).
+    if config.getoption('--staticfiles'):
+        import rest_framework
+        settings.STATIC_ROOT = os.path.join(os.path.dirname(rest_framework.__file__), 'static-root')
+        settings.STATICFILES_STORAGE = 'django.contrib.staticfiles.storage.ManifestStaticFilesStorage'
+
+    django.setup()
+
+    if config.getoption('--staticfiles'):
+        management.call_command('collectstatic', verbosity=0, interactive=False)
diff --git a/tests/generic_relations/__init__.py b/tests/generic_relations/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/generic_relations/migrations/0001_initial.py b/tests/generic_relations/migrations/0001_initial.py
new file mode 100644
index 000000000..ea04d8d67
--- /dev/null
+++ b/tests/generic_relations/migrations/0001_initial.py
@@ -0,0 +1,36 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('contenttypes', '0002_remove_content_type_name'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Bookmark',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('url', models.URLField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Note',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('text', models.TextField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Tag',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('tag', models.SlugField()),
+                ('object_id', models.PositiveIntegerField()),
+                ('content_type', models.ForeignKey(on_delete=models.CASCADE, to='contenttypes.ContentType')),
+            ],
+        ),
+    ]
diff --git a/tests/generic_relations/migrations/__init__.py b/tests/generic_relations/migrations/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/generic_relations/models.py b/tests/generic_relations/models.py
new file mode 100644
index 000000000..20df3e4a2
--- /dev/null
+++ b/tests/generic_relations/models.py
@@ -0,0 +1,40 @@
+from django.contrib.contenttypes.fields import (
+    GenericForeignKey, GenericRelation
+)
+from django.contrib.contenttypes.models import ContentType
+from django.db import models
+
+
+class Tag(models.Model):
+    """
+    Tags have a descriptive slug, and are attached to an arbitrary object.
+    """
+    tag = models.SlugField()
+    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
+    object_id = models.PositiveIntegerField()
+    tagged_item = GenericForeignKey('content_type', 'object_id')
+
+    def __str__(self):
+        return self.tag
+
+
+class Bookmark(models.Model):
+    """
+    A URL bookmark that may have multiple tags attached.
+    """
+    url = models.URLField()
+    tags = GenericRelation(Tag)
+
+    def __str__(self):
+        return 'Bookmark: %s' % self.url
+
+
+class Note(models.Model):
+    """
+    A textual note that may have multiple tags attached.
+    """
+    text = models.TextField()
+    tags = GenericRelation(Tag)
+
+    def __str__(self):
+        return 'Note: %s' % self.text
diff --git a/tests/test_relations_generic.py b/tests/generic_relations/test_generic_relations.py
similarity index 62%
rename from tests/test_relations_generic.py
rename to tests/generic_relations/test_generic_relations.py
index a3798b0a3..33f8ea1d0 100644
--- a/tests/test_relations_generic.py
+++ b/tests/generic_relations/test_generic_relations.py
@@ -1,52 +1,8 @@
-from __future__ import unicode_literals
-
-from django.contrib.contenttypes.fields import (
-    GenericForeignKey, GenericRelation
-)
-from django.contrib.contenttypes.models import ContentType
-from django.db import models
 from django.test import TestCase
-from django.utils.encoding import python_2_unicode_compatible
 
 from rest_framework import serializers
 
-
-@python_2_unicode_compatible
-class Tag(models.Model):
-    """
-    Tags have a descriptive slug, and are attached to an arbitrary object.
-    """
-    tag = models.SlugField()
-    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
-    object_id = models.PositiveIntegerField()
-    tagged_item = GenericForeignKey('content_type', 'object_id')
-
-    def __str__(self):
-        return self.tag
-
-
-@python_2_unicode_compatible
-class Bookmark(models.Model):
-    """
-    A URL bookmark that may have multiple tags attached.
-    """
-    url = models.URLField()
-    tags = GenericRelation(Tag)
-
-    def __str__(self):
-        return 'Bookmark: %s' % self.url
-
-
-@python_2_unicode_compatible
-class Note(models.Model):
-    """
-    A textual note that may have multiple tags attached.
-    """
-    text = models.TextField()
-    tags = GenericRelation(Tag)
-
-    def __str__(self):
-        return 'Note: %s' % self.text
+from .models import Bookmark, Note, Tag
 
 
 class TestGenericRelations(TestCase):
diff --git a/tests/importable/__init__.py b/tests/importable/__init__.py
index b36599027..ded08258c 100644
--- a/tests/importable/__init__.py
+++ b/tests/importable/__init__.py
@@ -1 +1,16 @@
-from rest_framework import compat  # noqa
+"""
+This test "app" exists to ensure that parts of Django REST Framework can be
+imported/invoked before Django itself has been fully initialized.
+"""
+
+from rest_framework import compat, serializers  # noqa
+
+
+# test initializing fields with lazy translations
+class ExampleSerializer(serializers.Serializer):
+    charfield = serializers.CharField(min_length=1, max_length=2)
+    integerfield = serializers.IntegerField(min_value=1, max_value=2)
+    floatfield = serializers.FloatField(min_value=1, max_value=2)
+    decimalfield = serializers.DecimalField(max_digits=10, decimal_places=1, min_value=1, max_value=2)
+    durationfield = serializers.DurationField(min_value=1, max_value=2)
+    listfield = serializers.ListField(min_length=1, max_length=2)
diff --git a/tests/importable/test_installed.py b/tests/importable/test_installed.py
index 072d3b2e4..c7e53af23 100644
--- a/tests/importable/test_installed.py
+++ b/tests/importable/test_installed.py
@@ -4,10 +4,21 @@ from tests import importable
 
 
 def test_installed():
-    # ensure that apps can freely import rest_framework.compat
+    # ensure the test app hasn't been removed from the test suite
     assert 'tests.importable' in settings.INSTALLED_APPS
 
 
-def test_imported():
-    # ensure that the __init__ hasn't been mucked with
+def test_compat():
     assert hasattr(importable, 'compat')
+
+
+def test_serializer_fields_initialization():
+    assert hasattr(importable, 'ExampleSerializer')
+
+    serializer = importable.ExampleSerializer()
+    assert 'charfield' in serializer.fields
+    assert 'integerfield' in serializer.fields
+    assert 'floatfield' in serializer.fields
+    assert 'decimalfield' in serializer.fields
+    assert 'durationfield' in serializer.fields
+    assert 'listfield' in serializer.fields
diff --git a/tests/models.py b/tests/models.py
index e5d49a0a5..2c340a3e6 100644
--- a/tests/models.py
+++ b/tests/models.py
@@ -1,9 +1,7 @@
-from __future__ import unicode_literals
-
 import uuid
 
 from django.db import models
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class RESTFrameworkModel(models.Model):
@@ -52,6 +50,20 @@ class ForeignKeySource(RESTFrameworkModel):
                                on_delete=models.CASCADE)
 
 
+class ForeignKeySourceWithLimitedChoices(RESTFrameworkModel):
+    target = models.ForeignKey(ForeignKeyTarget, help_text='Target',
+                               verbose_name='Target',
+                               limit_choices_to={"name__startswith": "limited-"},
+                               on_delete=models.CASCADE)
+
+
+class ForeignKeySourceWithQLimitedChoices(RESTFrameworkModel):
+    target = models.ForeignKey(ForeignKeyTarget, help_text='Target',
+                               verbose_name='Target',
+                               limit_choices_to=models.Q(name__startswith="limited-"),
+                               on_delete=models.CASCADE)
+
+
 # Nullable ForeignKey
 class NullableForeignKeySource(RESTFrameworkModel):
     name = models.CharField(max_length=100)
@@ -69,6 +81,17 @@ class NullableUUIDForeignKeySource(RESTFrameworkModel):
                                on_delete=models.CASCADE)
 
 
+class NestedForeignKeySource(RESTFrameworkModel):
+    """
+    Used for testing FK chain. A -> B -> C.
+    """
+    name = models.CharField(max_length=100)
+    target = models.ForeignKey(NullableForeignKeySource, null=True, blank=True,
+                               related_name='nested_sources',
+                               verbose_name='Intermediate target object',
+                               on_delete=models.CASCADE)
+
+
 # OneToOne
 class OneToOneTarget(RESTFrameworkModel):
     name = models.CharField(max_length=100)
diff --git a/tests/schemas/__init__.py b/tests/schemas/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/test_schemas.py b/tests/schemas/test_coreapi.py
similarity index 64%
rename from tests/test_schemas.py
rename to tests/schemas/test_coreapi.py
index ba561a959..a634d6968 100644
--- a/tests/test_schemas.py
+++ b/tests/schemas/test_coreapi.py
@@ -9,15 +9,14 @@ from django.test import TestCase, override_settings
 from rest_framework import (
     filters, generics, pagination, permissions, serializers
 )
-from rest_framework.compat import coreapi, coreschema, get_regex_pattern
-from rest_framework.decorators import (
-    api_view, detail_route, list_route, schema
-)
+from rest_framework.compat import coreapi, coreschema, get_regex_pattern, path
+from rest_framework.decorators import action, api_view, schema
 from rest_framework.request import Request
 from rest_framework.routers import DefaultRouter, SimpleRouter
 from rest_framework.schemas import (
     AutoSchema, ManualSchema, SchemaGenerator, get_schema_view
 )
+from rest_framework.schemas.coreapi import field_to_schema
 from rest_framework.schemas.generators import EndpointEnumerator
 from rest_framework.schemas.utils import is_list_view
 from rest_framework.test import APIClient, APIRequestFactory
@@ -25,12 +24,13 @@ from rest_framework.utils import formatting
 from rest_framework.views import APIView
 from rest_framework.viewsets import GenericViewSet, ModelViewSet
 
-from .models import BasicModel
+from ..models import BasicModel, ForeignKeySource, ManyToManySource
+from . import views
 
 factory = APIRequestFactory()
 
 
-class MockUser(object):
+class MockUser:
     def is_authenticated(self):
         return True
 
@@ -51,6 +51,10 @@ class ExampleSerializer(serializers.Serializer):
     hidden = serializers.HiddenField(default='hello')
 
 
+class AnotherSerializerWithDictField(serializers.Serializer):
+    a = serializers.DictField()
+
+
 class AnotherSerializerWithListFields(serializers.Serializer):
     a = serializers.ListField(child=serializers.IntegerField())
     b = serializers.ListSerializer(child=serializers.CharField())
@@ -67,42 +71,78 @@ class ExampleViewSet(ModelViewSet):
     filter_backends = [filters.OrderingFilter]
     serializer_class = ExampleSerializer
 
-    @detail_route(methods=['post'], serializer_class=AnotherSerializer)
+    @action(methods=['post'], detail=True, serializer_class=AnotherSerializer)
     def custom_action(self, request, pk):
         """
         A description of custom action.
         """
-        return super(ExampleSerializer, self).retrieve(self, request)
+        raise NotImplementedError
 
-    @detail_route(methods=['post'], serializer_class=AnotherSerializerWithListFields)
+    @action(methods=['post'], detail=True, serializer_class=AnotherSerializerWithDictField)
+    def custom_action_with_dict_field(self, request, pk):
+        """
+        A custom action using a dict field in the serializer.
+        """
+        raise NotImplementedError
+
+    @action(methods=['post'], detail=True, serializer_class=AnotherSerializerWithListFields)
     def custom_action_with_list_fields(self, request, pk):
         """
         A custom action using both list field and list serializer in the serializer.
         """
-        return super(ExampleSerializer, self).retrieve(self, request)
+        raise NotImplementedError
 
-    @list_route()
+    @action(detail=False)
     def custom_list_action(self, request):
-        return super(ExampleViewSet, self).list(self, request)
+        raise NotImplementedError
 
-    @list_route(methods=['post', 'get'], serializer_class=EmptySerializer)
+    @action(methods=['post', 'get'], detail=False, serializer_class=EmptySerializer)
     def custom_list_action_multiple_methods(self, request):
-        return super(ExampleViewSet, self).list(self, request)
+        """Custom description."""
+        raise NotImplementedError
+
+    @custom_list_action_multiple_methods.mapping.delete
+    def custom_list_action_multiple_methods_delete(self, request):
+        """Deletion description."""
+        raise NotImplementedError
+
+    @action(detail=False, schema=None)
+    def excluded_action(self, request):
+        pass
 
     def get_serializer(self, *args, **kwargs):
         assert self.request
         assert self.action
-        return super(ExampleViewSet, self).get_serializer(*args, **kwargs)
+        return super().get_serializer(*args, **kwargs)
 
+    @action(methods=['get', 'post'], detail=False)
+    def documented_custom_action(self, request):
+        """
+        get:
+        A description of the get method on the custom action.
 
-if coreapi:
-    schema_view = get_schema_view(title='Example API')
-else:
-    def schema_view(request):
+        post:
+        A description of the post method on the custom action.
+        """
         pass
 
+    @documented_custom_action.mapping.put
+    def put_documented_custom_action(self, request, *args, **kwargs):
+        """
+        A description of the put method on the custom action from mapping.
+        """
+        pass
+
+
+with override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'}):
+    if coreapi:
+        schema_view = get_schema_view(title='Example API')
+    else:
+        def schema_view(request):
+            pass
+
 router = DefaultRouter()
-router.register('example', ExampleViewSet, base_name='example')
+router.register('example', ExampleViewSet, basename='example')
 urlpatterns = [
     url(r'^$', schema_view),
     url(r'^', include(router.urls))
@@ -110,7 +150,7 @@ urlpatterns = [
 
 
 @unittest.skipUnless(coreapi, 'coreapi is not installed')
-@override_settings(ROOT_URLCONF='tests.test_schemas')
+@override_settings(ROOT_URLCONF=__name__, REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
 class TestRouterGeneratedSchema(TestCase):
     def test_anonymous_request(self):
         client = APIClient()
@@ -137,7 +177,15 @@ class TestRouterGeneratedSchema(TestCase):
                     'custom_list_action_multiple_methods': {
                         'read': coreapi.Link(
                             url='/example/custom_list_action_multiple_methods/',
-                            action='get'
+                            action='get',
+                            description='Custom description.',
+                        )
+                    },
+                    'documented_custom_action': {
+                        'read': coreapi.Link(
+                            url='/example/documented_custom_action/',
+                            action='get',
+                            description='A description of the get method on the custom action.',
                         )
                     },
                     'read': coreapi.Link(
@@ -200,6 +248,16 @@ class TestRouterGeneratedSchema(TestCase):
                             coreapi.Field('d', required=False, location='form', schema=coreschema.String(title='D')),
                         ]
                     ),
+                    'custom_action_with_dict_field': coreapi.Link(
+                        url='/example/{id}/custom_action_with_dict_field/',
+                        action='post',
+                        encoding='application/json',
+                        description='A custom action using a dict field in the serializer.',
+                        fields=[
+                            coreapi.Field('id', required=True, location='path', schema=coreschema.String()),
+                            coreapi.Field('a', required=True, location='form', schema=coreschema.Object(title='A')),
+                        ]
+                    ),
                     'custom_action_with_list_fields': coreapi.Link(
                         url='/example/{id}/custom_action_with_list_fields/',
                         action='post',
@@ -218,12 +276,46 @@ class TestRouterGeneratedSchema(TestCase):
                     'custom_list_action_multiple_methods': {
                         'read': coreapi.Link(
                             url='/example/custom_list_action_multiple_methods/',
-                            action='get'
+                            action='get',
+                            description='Custom description.',
                         ),
                         'create': coreapi.Link(
                             url='/example/custom_list_action_multiple_methods/',
-                            action='post'
-                        )
+                            action='post',
+                            description='Custom description.',
+                        ),
+                        'delete': coreapi.Link(
+                            url='/example/custom_list_action_multiple_methods/',
+                            action='delete',
+                            description='Deletion description.',
+                        ),
+                    },
+                    'documented_custom_action': {
+                        'read': coreapi.Link(
+                            url='/example/documented_custom_action/',
+                            action='get',
+                            description='A description of the get method on the custom action.',
+                        ),
+                        'create': coreapi.Link(
+                            url='/example/documented_custom_action/',
+                            action='post',
+                            description='A description of the post method on the custom action.',
+                            encoding='application/json',
+                            fields=[
+                                coreapi.Field('a', required=True, location='form', schema=coreschema.String(title='A', description='A field description')),
+                                coreapi.Field('b', required=False, location='form', schema=coreschema.String(title='B'))
+                            ]
+                        ),
+                        'update': coreapi.Link(
+                            url='/example/documented_custom_action/',
+                            action='put',
+                            description='A description of the put method on the custom action from mapping.',
+                            encoding='application/json',
+                            fields=[
+                                coreapi.Field('a', required=True, location='form', schema=coreschema.String(title='A', description='A field description')),
+                                coreapi.Field('b', required=False, location='form', schema=coreschema.String(title='B'))
+                            ]
+                        ),
                     },
                     'update': coreapi.Link(
                         url='/example/{id}/',
@@ -310,12 +402,13 @@ class ExampleDetailView(APIView):
 
 
 @unittest.skipUnless(coreapi, 'coreapi is not installed')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
 class TestSchemaGenerator(TestCase):
     def setUp(self):
         self.patterns = [
-            url(r'^example/?$', ExampleListView.as_view()),
-            url(r'^example/(?P<pk>\d+)/?$', ExampleDetailView.as_view()),
-            url(r'^example/(?P<pk>\d+)/sub/?$', ExampleDetailView.as_view()),
+            url(r'^example/?$', views.ExampleListView.as_view()),
+            url(r'^example/(?P<pk>\d+)/?$', views.ExampleDetailView.as_view()),
+            url(r'^example/(?P<pk>\d+)/sub/?$', views.ExampleDetailView.as_view()),
         ]
 
     def test_schema_for_regular_views(self):
@@ -362,12 +455,67 @@ class TestSchemaGenerator(TestCase):
 
 
 @unittest.skipUnless(coreapi, 'coreapi is not installed')
+@unittest.skipUnless(path, 'needs Django 2')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
+class TestSchemaGeneratorDjango2(TestCase):
+    def setUp(self):
+        self.patterns = [
+            path('example/', views.ExampleListView.as_view()),
+            path('example/<int:pk>/', views.ExampleDetailView.as_view()),
+            path('example/<int:pk>/sub/', views.ExampleDetailView.as_view()),
+        ]
+
+    def test_schema_for_regular_views(self):
+        """
+        Ensure that schema generation works for APIView classes.
+        """
+        generator = SchemaGenerator(title='Example API', patterns=self.patterns)
+        schema = generator.get_schema()
+        expected = coreapi.Document(
+            url='',
+            title='Example API',
+            content={
+                'example': {
+                    'create': coreapi.Link(
+                        url='/example/',
+                        action='post',
+                        fields=[]
+                    ),
+                    'list': coreapi.Link(
+                        url='/example/',
+                        action='get',
+                        fields=[]
+                    ),
+                    'read': coreapi.Link(
+                        url='/example/{id}/',
+                        action='get',
+                        fields=[
+                            coreapi.Field('id', required=True, location='path', schema=coreschema.String())
+                        ]
+                    ),
+                    'sub': {
+                        'list': coreapi.Link(
+                            url='/example/{id}/sub/',
+                            action='get',
+                            fields=[
+                                coreapi.Field('id', required=True, location='path', schema=coreschema.String())
+                            ]
+                        )
+                    }
+                }
+            }
+        )
+        assert schema == expected
+
+
+@unittest.skipUnless(coreapi, 'coreapi is not installed')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
 class TestSchemaGeneratorNotAtRoot(TestCase):
     def setUp(self):
         self.patterns = [
-            url(r'^api/v1/example/?$', ExampleListView.as_view()),
-            url(r'^api/v1/example/(?P<pk>\d+)/?$', ExampleDetailView.as_view()),
-            url(r'^api/v1/example/(?P<pk>\d+)/sub/?$', ExampleDetailView.as_view()),
+            url(r'^api/v1/example/?$', views.ExampleListView.as_view()),
+            url(r'^api/v1/example/(?P<pk>\d+)/?$', views.ExampleDetailView.as_view()),
+            url(r'^api/v1/example/(?P<pk>\d+)/sub/?$', views.ExampleDetailView.as_view()),
         ]
 
     def test_schema_for_regular_views(self):
@@ -415,10 +563,11 @@ class TestSchemaGeneratorNotAtRoot(TestCase):
 
 
 @unittest.skipUnless(coreapi, 'coreapi is not installed')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
 class TestSchemaGeneratorWithMethodLimitedViewSets(TestCase):
     def setUp(self):
         router = DefaultRouter()
-        router.register('example1', MethodLimitedViewSet, base_name='example1')
+        router.register('example1', MethodLimitedViewSet, basename='example1')
         self.patterns = [
             url(r'^', include(router.urls))
         ]
@@ -453,9 +602,17 @@ class TestSchemaGeneratorWithMethodLimitedViewSets(TestCase):
                     'custom_list_action_multiple_methods': {
                         'read': coreapi.Link(
                             url='/example1/custom_list_action_multiple_methods/',
-                            action='get'
+                            action='get',
+                            description='Custom description.',
                         )
                     },
+                    'documented_custom_action': {
+                        'read': coreapi.Link(
+                            url='/example1/documented_custom_action/',
+                            action='get',
+                            description='A description of the get method on the custom action.',
+                        ),
+                    },
                     'read': coreapi.Link(
                         url='/example1/{id}/',
                         action='get',
@@ -471,13 +628,14 @@ class TestSchemaGeneratorWithMethodLimitedViewSets(TestCase):
 
 
 @unittest.skipUnless(coreapi, 'coreapi is not installed')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
 class TestSchemaGeneratorWithRestrictedViewSets(TestCase):
     def setUp(self):
         router = DefaultRouter()
-        router.register('example1', Http404ExampleViewSet, base_name='example1')
-        router.register('example2', PermissionDeniedExampleViewSet, base_name='example2')
+        router.register('example1', Http404ExampleViewSet, basename='example1')
+        router.register('example2', PermissionDeniedExampleViewSet, basename='example2')
         self.patterns = [
-            url('^example/?$', ExampleListView.as_view()),
+            url('^example/?$', views.ExampleListView.as_view()),
             url(r'^', include(router.urls))
         ]
 
@@ -505,7 +663,100 @@ class TestSchemaGeneratorWithRestrictedViewSets(TestCase):
         assert schema == expected
 
 
+class ForeignKeySourceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ForeignKeySource
+        fields = ('id', 'name', 'target')
+
+
+class ForeignKeySourceView(generics.CreateAPIView):
+    queryset = ForeignKeySource.objects.all()
+    serializer_class = ForeignKeySourceSerializer
+
+
 @unittest.skipUnless(coreapi, 'coreapi is not installed')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
+class TestSchemaGeneratorWithForeignKey(TestCase):
+    def setUp(self):
+        self.patterns = [
+            url(r'^example/?$', ForeignKeySourceView.as_view()),
+        ]
+
+    def test_schema_for_regular_views(self):
+        """
+        Ensure that AutoField foreign keys are output as Integer.
+        """
+        generator = SchemaGenerator(title='Example API', patterns=self.patterns)
+        schema = generator.get_schema()
+
+        expected = coreapi.Document(
+            url='',
+            title='Example API',
+            content={
+                'example': {
+                    'create': coreapi.Link(
+                        url='/example/',
+                        action='post',
+                        encoding='application/json',
+                        fields=[
+                            coreapi.Field('name', required=True, location='form', schema=coreschema.String(title='Name')),
+                            coreapi.Field('target', required=True, location='form', schema=coreschema.Integer(description='Target', title='Target')),
+                        ]
+                    )
+                }
+            }
+        )
+        assert schema == expected
+
+
+class ManyToManySourceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ManyToManySource
+        fields = ('id', 'name', 'targets')
+
+
+class ManyToManySourceView(generics.CreateAPIView):
+    queryset = ManyToManySource.objects.all()
+    serializer_class = ManyToManySourceSerializer
+
+
+@unittest.skipUnless(coreapi, 'coreapi is not installed')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
+class TestSchemaGeneratorWithManyToMany(TestCase):
+    def setUp(self):
+        self.patterns = [
+            url(r'^example/?$', ManyToManySourceView.as_view()),
+        ]
+
+    def test_schema_for_regular_views(self):
+        """
+        Ensure that AutoField many to many fields are output as Integer.
+        """
+        generator = SchemaGenerator(title='Example API', patterns=self.patterns)
+        schema = generator.get_schema()
+
+        expected = coreapi.Document(
+            url='',
+            title='Example API',
+            content={
+                'example': {
+                    'create': coreapi.Link(
+                        url='/example/',
+                        action='post',
+                        encoding='application/json',
+                        fields=[
+                            coreapi.Field('name', required=True, location='form', schema=coreschema.String(title='Name')),
+                            coreapi.Field('targets', required=True, location='form', schema=coreschema.Array(title='Targets', items=coreschema.Integer())),
+                        ]
+                    )
+                }
+            }
+        )
+        assert schema == expected
+
+
+@unittest.skipUnless(coreapi, 'coreapi is not installed')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
 class Test4605Regression(TestCase):
     def test_4605_regression(self):
         generator = SchemaGenerator()
@@ -516,6 +767,12 @@ class Test4605Regression(TestCase):
         assert prefix == '/'
 
 
+class CustomViewInspector(AutoSchema):
+    """A dummy AutoSchema subclass"""
+    pass
+
+
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
 class TestAutoSchema(TestCase):
 
     def test_apiview_schema_descriptor(self):
@@ -523,11 +780,24 @@ class TestAutoSchema(TestCase):
         assert hasattr(view, 'schema')
         assert isinstance(view.schema, AutoSchema)
 
+    def test_set_custom_inspector_class_on_view(self):
+        class CustomView(APIView):
+            schema = CustomViewInspector()
+
+        view = CustomView()
+        assert isinstance(view.schema, CustomViewInspector)
+
+    def test_set_custom_inspector_class_via_settings(self):
+        with override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'tests.schemas.test_coreapi.CustomViewInspector'}):
+            view = APIView()
+            assert isinstance(view.schema, CustomViewInspector)
+
     def test_get_link_requires_instance(self):
         descriptor = APIView.schema  # Accessed from class
         with pytest.raises(AssertionError):
             descriptor.get_link(None, None, None)  # ???: Do the dummy arguments require a tighter assert?
 
+    @pytest.mark.skipif(not coreapi, reason='coreapi is not installed')
     def test_update_fields(self):
         """
         That updating fields by-name helper is correct
@@ -563,6 +833,7 @@ class TestAutoSchema(TestCase):
         assert len(fields) == 1
         assert fields[0].required is False
 
+    @pytest.mark.skipif(not coreapi, reason='coreapi is not installed')
     def test_get_manual_fields(self):
         """That get_manual_fields is applied during get_link"""
 
@@ -583,6 +854,46 @@ class TestAutoSchema(TestCase):
         assert len(fields) == 2
         assert "my_extra_field" in [f.name for f in fields]
 
+    @pytest.mark.skipif(not coreapi, reason='coreapi is not installed')
+    def test_viewset_action_with_schema(self):
+        class CustomViewSet(GenericViewSet):
+            @action(detail=True, schema=AutoSchema(manual_fields=[
+                coreapi.Field(
+                    "my_extra_field",
+                    required=True,
+                    location="path",
+                    schema=coreschema.String()
+                ),
+            ]))
+            def extra_action(self, pk, **kwargs):
+                pass
+
+        router = SimpleRouter()
+        router.register(r'detail', CustomViewSet, basename='detail')
+
+        generator = SchemaGenerator()
+        view = generator.create_view(router.urls[0].callback, 'GET')
+        link = view.schema.get_link('/a/url/{id}/', 'GET', '')
+        fields = link.fields
+
+        assert len(fields) == 2
+        assert "my_extra_field" in [f.name for f in fields]
+
+    @pytest.mark.skipif(not coreapi, reason='coreapi is not installed')
+    def test_viewset_action_with_null_schema(self):
+        class CustomViewSet(GenericViewSet):
+            @action(detail=True, schema=None)
+            def extra_action(self, pk, **kwargs):
+                pass
+
+        router = SimpleRouter()
+        router.register(r'detail', CustomViewSet, basename='detail')
+
+        generator = SchemaGenerator()
+        view = generator.create_view(router.urls[0].callback, 'GET')
+        assert view.schema is None
+
+    @pytest.mark.skipif(not coreapi, reason='coreapi is not installed')
     def test_view_with_manual_schema(self):
 
         path = '/example'
@@ -629,7 +940,49 @@ class TestAutoSchema(TestCase):
         link = view.schema.get_link(path, method, base_url)
         assert link == expected
 
+    @unittest.skipUnless(coreschema, 'coreschema is not installed')
+    def test_field_to_schema(self):
+        label = 'Test label'
+        help_text = 'This is a helpful test text'
 
+        cases = [
+            # tuples are ([field], [expected schema])
+            # TODO: Add remaining cases
+            (
+                serializers.BooleanField(label=label, help_text=help_text),
+                coreschema.Boolean(title=label, description=help_text)
+            ),
+            (
+                serializers.DecimalField(1000, 1000, label=label, help_text=help_text),
+                coreschema.Number(title=label, description=help_text)
+            ),
+            (
+                serializers.FloatField(label=label, help_text=help_text),
+                coreschema.Number(title=label, description=help_text)
+            ),
+            (
+                serializers.IntegerField(label=label, help_text=help_text),
+                coreschema.Integer(title=label, description=help_text)
+            ),
+            (
+                serializers.DateField(label=label, help_text=help_text),
+                coreschema.String(title=label, description=help_text, format='date')
+            ),
+            (
+                serializers.DateTimeField(label=label, help_text=help_text),
+                coreschema.String(title=label, description=help_text, format='date-time')
+            ),
+            (
+                serializers.JSONField(label=label, help_text=help_text),
+                coreschema.Object(title=label, description=help_text)
+            ),
+        ]
+
+        for case in cases:
+            self.assertEqual(field_to_schema(case[0]), case[1])
+
+
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
 def test_docstring_is_not_stripped_by_get_description():
     class ExampleDocstringAPIView(APIView):
         """
@@ -666,25 +1019,25 @@ def test_docstring_is_not_stripped_by_get_description():
 
 
 # Views for SchemaGenerationExclusionTests
-class ExcludedAPIView(APIView):
-    schema = None
+with override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'}):
+    class ExcludedAPIView(APIView):
+        schema = None
 
-    def get(self, request, *args, **kwargs):
+        def get(self, request, *args, **kwargs):
+            pass
+
+    @api_view(['GET'])
+    @schema(None)
+    def excluded_fbv(request):
+        pass
+
+    @api_view(['GET'])
+    def included_fbv(request):
         pass
 
 
-@api_view(['GET'])
-@schema(None)
-def excluded_fbv(request):
-    pass
-
-
-@api_view(['GET'])
-def included_fbv(request):
-    pass
-
-
 @unittest.skipUnless(coreapi, 'coreapi is not installed')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
 class SchemaGenerationExclusionTests(TestCase):
     def setUp(self):
         self.patterns = [
@@ -736,43 +1089,6 @@ class SchemaGenerationExclusionTests(TestCase):
 
         assert should_include == expected
 
-    def test_deprecations(self):
-        with pytest.warns(PendingDeprecationWarning) as record:
-            @api_view(["GET"], exclude_from_schema=True)
-            def view(request):
-                pass
-
-        assert len(record) == 1
-        assert str(record[0].message) == (
-            "The `exclude_from_schema` argument to `api_view` is pending "
-            "deprecation. Use the `schema` decorator instead, passing `None`."
-        )
-
-        class OldFashionedExcludedView(APIView):
-            exclude_from_schema = True
-
-            def get(self, request, *args, **kwargs):
-                pass
-
-        patterns = [
-            url('^excluded-old-fashioned/$', OldFashionedExcludedView.as_view()),
-        ]
-
-        inspector = EndpointEnumerator(patterns)
-        with pytest.warns(PendingDeprecationWarning) as record:
-            inspector.get_api_endpoints()
-
-        assert len(record) == 1
-        assert str(record[0].message) == (
-            "The `OldFashionedExcludedView.exclude_from_schema` attribute is "
-            "pending deprecation. Set `schema = None` instead."
-        )
-
-
-@api_view(["GET"])
-def simple_fbv(request):
-    pass
-
 
 class BasicModelSerializer(serializers.ModelSerializer):
     class Meta:
@@ -795,24 +1111,30 @@ class NamingCollisionViewSet(GenericViewSet):
     """
     permision_class = ()
 
-    @list_route()
+    @action(detail=False)
     def detail(self, request):
         return {}
 
-    @list_route(url_path='detail/export')
+    @action(detail=False, url_path='detail/export')
     def detail_export(self, request):
         return {}
 
 
 naming_collisions_router = SimpleRouter()
-naming_collisions_router.register(r'collision', NamingCollisionViewSet, base_name="collision")
+naming_collisions_router.register(r'collision', NamingCollisionViewSet, basename="collision")
 
 
+@pytest.mark.skipif(not coreapi, reason='coreapi is not installed')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
 class TestURLNamingCollisions(TestCase):
     """
     Ref: https://github.com/encode/django-rest-framework/issues/4704
     """
     def test_manually_routing_nested_routes(self):
+        @api_view(["GET"])
+        def simple_fbv(request):
+            pass
+
         patterns = [
             url(r'^test', simple_fbv),
             url(r'^test/list/', simple_fbv),
@@ -879,7 +1201,10 @@ class TestURLNamingCollisions(TestCase):
 
         generator = SchemaGenerator(title='Naming Colisions', patterns=patterns)
         schema = generator.get_schema()
-        desc = schema['detail_0'].description  # not important here
+
+        # not important here
+        desc_0 = schema['detail']['detail_export'].description
+        desc_1 = schema['detail_0'].description
 
         expected = coreapi.Document(
             url='',
@@ -889,12 +1214,12 @@ class TestURLNamingCollisions(TestCase):
                     'detail_export': coreapi.Link(
                         url='/from-routercollision/detail/export/',
                         action='get',
-                        description=desc)
+                        description=desc_0)
                 },
                 'detail_0': coreapi.Link(
                     url='/from-routercollision/detail/',
                     action='get',
-                    description=desc
+                    description=desc_1
                 )
             }
         )
@@ -915,6 +1240,10 @@ class TestURLNamingCollisions(TestCase):
 
     def test_url_under_same_key_not_replaced_another(self):
 
+        @api_view(["GET"])
+        def simple_fbv(request):
+            pass
+
         patterns = [
             url(r'^test/list/', simple_fbv),
             url(r'^test/(?P<pk>\d+)/list/', simple_fbv),
@@ -976,7 +1305,7 @@ def test_head_and_options_methods_are_excluded():
 
     class AViewSet(ModelViewSet):
 
-        @detail_route(methods=['options', 'get'])
+        @action(methods=['options', 'get'], detail=True)
         def custom_action(self, request, pk):
             pass
 
@@ -989,9 +1318,8 @@ def test_head_and_options_methods_are_excluded():
     assert inspector.get_allowed_methods(callback) == ["GET"]
 
 
-class TestAutoSchemaAllowsFilters(object):
-    class MockAPIView(APIView):
-        filter_backends = [filters.OrderingFilter]
+class MockAPIView(APIView):
+    filter_backends = [filters.OrderingFilter]
 
     def _test(self, method):
         view = self.MockAPIView()
@@ -1035,3 +1363,13 @@ class TestAutoSchemaAllowsFilters(object):
 
     def test_FOO(self):
         assert not self._test('FOO')
+
+
+@pytest.mark.skipif(not coreapi, reason='coreapi is not installed')
+def test_schema_handles_exception():
+    schema_view = get_schema_view(permission_classes=[DenyAllUsingPermissionDenied])
+    request = factory.get('/')
+    response = schema_view(request)
+    response.render()
+    assert response.status_code == 403
+    assert b"You do not have permission to perform this action." in response.content
diff --git a/tests/schemas/test_get_schema_view.py b/tests/schemas/test_get_schema_view.py
new file mode 100644
index 000000000..f582c6495
--- /dev/null
+++ b/tests/schemas/test_get_schema_view.py
@@ -0,0 +1,20 @@
+import pytest
+from django.test import TestCase, override_settings
+
+from rest_framework import renderers
+from rest_framework.schemas import coreapi, get_schema_view, openapi
+
+
+class GetSchemaViewTests(TestCase):
+    """For the get_schema_view() helper."""
+    def test_openapi(self):
+        schema_view = get_schema_view(title="With OpenAPI")
+        assert isinstance(schema_view.initkwargs['schema_generator'], openapi.SchemaGenerator)
+        assert renderers.OpenAPIRenderer in schema_view.cls().renderer_classes
+
+    @pytest.mark.skipif(not coreapi.coreapi, reason='coreapi is not installed')
+    def test_coreapi(self):
+        with override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'}):
+            schema_view = get_schema_view(title="With CoreAPI")
+            assert isinstance(schema_view.initkwargs['schema_generator'], coreapi.SchemaGenerator)
+            assert renderers.CoreAPIOpenAPIRenderer in schema_view.cls().renderer_classes
diff --git a/tests/schemas/test_managementcommand.py b/tests/schemas/test_managementcommand.py
new file mode 100644
index 000000000..6cdf7f8b1
--- /dev/null
+++ b/tests/schemas/test_managementcommand.py
@@ -0,0 +1,134 @@
+import io
+
+import pytest
+from django.conf.urls import url
+from django.core.management import call_command
+from django.test import TestCase
+from django.test.utils import override_settings
+
+from rest_framework.compat import uritemplate, yaml
+from rest_framework.management.commands import generateschema
+from rest_framework.utils import formatting, json
+from rest_framework.views import APIView
+
+
+class FooView(APIView):
+    def get(self, request):
+        pass
+
+
+urlpatterns = [
+    url(r'^$', FooView.as_view())
+]
+
+
+class CustomSchemaGenerator:
+    SCHEMA = {"key": "value"}
+
+    def __init__(self, *args, **kwargs):
+        pass
+
+    def get_schema(self, **kwargs):
+        return self.SCHEMA
+
+
+@override_settings(ROOT_URLCONF=__name__)
+@pytest.mark.skipif(not uritemplate, reason='uritemplate is not installed')
+class GenerateSchemaTests(TestCase):
+    """Tests for management command generateschema."""
+
+    def setUp(self):
+        self.out = io.StringIO()
+
+    def test_command_detects_schema_generation_mode(self):
+        """Switching between CoreAPI & OpenAPI"""
+        command = generateschema.Command()
+        assert command.get_mode() == generateschema.OPENAPI_MODE
+        with override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'}):
+            assert command.get_mode() == generateschema.COREAPI_MODE
+
+    @pytest.mark.skipif(yaml is None, reason='PyYAML is required.')
+    def test_renders_default_schema_with_custom_title_url_and_description(self):
+        call_command('generateschema',
+                     '--title=SampleAPI',
+                     '--url=http://api.sample.com',
+                     '--description=Sample description',
+                     stdout=self.out)
+        # Check valid YAML was output.
+        schema = yaml.safe_load(self.out.getvalue())
+        assert schema['openapi'] == '3.0.2'
+
+    def test_renders_openapi_json_schema(self):
+        call_command('generateschema',
+                     '--format=openapi-json',
+                     stdout=self.out)
+        # Check valid JSON was output.
+        out_json = json.loads(self.out.getvalue())
+        assert out_json['openapi'] == '3.0.2'
+
+    def test_accepts_custom_schema_generator(self):
+        call_command('generateschema',
+                     '--generator_class={}.{}'.format(__name__, CustomSchemaGenerator.__name__),
+                     stdout=self.out)
+        out_json = yaml.safe_load(self.out.getvalue())
+        assert out_json == CustomSchemaGenerator.SCHEMA
+
+    @pytest.mark.skipif(yaml is None, reason='PyYAML is required.')
+    @override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
+    def test_coreapi_renders_default_schema_with_custom_title_url_and_description(self):
+        expected_out = """info:
+                            description: Sample description
+                            title: SampleAPI
+                            version: ''
+                          openapi: 3.0.0
+                          paths:
+                            /:
+                              get:
+                                operationId: list
+                          servers:
+                          - url: http://api.sample.com/
+                          """
+        call_command('generateschema',
+                     '--title=SampleAPI',
+                     '--url=http://api.sample.com',
+                     '--description=Sample description',
+                     stdout=self.out)
+
+        self.assertIn(formatting.dedent(expected_out), self.out.getvalue())
+
+    @override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
+    def test_coreapi_renders_openapi_json_schema(self):
+        expected_out = {
+            "openapi": "3.0.0",
+            "info": {
+                "version": "",
+                "title": "",
+                "description": ""
+            },
+            "servers": [
+                {
+                    "url": ""
+                }
+            ],
+            "paths": {
+                "/": {
+                    "get": {
+                        "operationId": "list"
+                    }
+                }
+            }
+        }
+        call_command('generateschema',
+                     '--format=openapi-json',
+                     stdout=self.out)
+        out_json = json.loads(self.out.getvalue())
+
+        self.assertDictEqual(out_json, expected_out)
+
+    @override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'})
+    def test_renders_corejson_schema(self):
+        expected_out = """{"_type":"document","":{"list":{"_type":"link","url":"/","action":"get"}}}"""
+        call_command('generateschema',
+                     '--format=corejson',
+                     stdout=self.out)
+        self.assertIn(expected_out, self.out.getvalue())
diff --git a/tests/schemas/test_openapi.py b/tests/schemas/test_openapi.py
new file mode 100644
index 000000000..622f78cdd
--- /dev/null
+++ b/tests/schemas/test_openapi.py
@@ -0,0 +1,719 @@
+import pytest
+from django.conf.urls import url
+from django.test import RequestFactory, TestCase, override_settings
+from django.utils.translation import gettext_lazy as _
+
+from rest_framework import filters, generics, pagination, routers, serializers
+from rest_framework.compat import uritemplate
+from rest_framework.parsers import JSONParser, MultiPartParser
+from rest_framework.renderers import JSONRenderer
+from rest_framework.request import Request
+from rest_framework.schemas.openapi import AutoSchema, SchemaGenerator
+
+from . import views
+
+
+def create_request(path):
+    factory = RequestFactory()
+    request = Request(factory.get(path))
+    return request
+
+
+def create_view(view_cls, method, request):
+    generator = SchemaGenerator()
+    view = generator.create_view(view_cls.as_view(), method, request)
+    return view
+
+
+class TestBasics(TestCase):
+    def dummy_view(request):
+        pass
+
+    def test_filters(self):
+        classes = [filters.SearchFilter, filters.OrderingFilter]
+        for c in classes:
+            f = c()
+            assert f.get_schema_operation_parameters(self.dummy_view)
+
+    def test_pagination(self):
+        classes = [pagination.PageNumberPagination, pagination.LimitOffsetPagination, pagination.CursorPagination]
+        for c in classes:
+            f = c()
+            assert f.get_schema_operation_parameters(self.dummy_view)
+
+
+class TestFieldMapping(TestCase):
+    def test_list_field_mapping(self):
+        inspector = AutoSchema()
+        cases = [
+            (serializers.ListField(), {'items': {}, 'type': 'array'}),
+            (serializers.ListField(child=serializers.BooleanField()), {'items': {'type': 'boolean'}, 'type': 'array'}),
+            (serializers.ListField(child=serializers.FloatField()), {'items': {'type': 'number'}, 'type': 'array'}),
+            (serializers.ListField(child=serializers.CharField()), {'items': {'type': 'string'}, 'type': 'array'}),
+            (serializers.ListField(child=serializers.IntegerField(max_value=4294967295)),
+             {'items': {'type': 'integer', 'format': 'int64'}, 'type': 'array'}),
+            (serializers.IntegerField(min_value=2147483648),
+             {'type': 'integer', 'minimum': 2147483648, 'format': 'int64'}),
+        ]
+        for field, mapping in cases:
+            with self.subTest(field=field):
+                assert inspector._map_field(field) == mapping
+
+    def test_lazy_string_field(self):
+        class Serializer(serializers.Serializer):
+            text = serializers.CharField(help_text=_('lazy string'))
+
+        inspector = AutoSchema()
+
+        data = inspector._map_serializer(Serializer())
+        assert isinstance(data['properties']['text']['description'], str), "description must be str"
+
+
+@pytest.mark.skipif(uritemplate is None, reason='uritemplate not installed.')
+class TestOperationIntrospection(TestCase):
+
+    def test_path_without_parameters(self):
+        path = '/example/'
+        method = 'GET'
+
+        view = create_view(
+            views.DocStringExampleListView,
+            method,
+            create_request(path)
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        operation = inspector.get_operation(path, method)
+        assert operation == {
+            'operationId': 'listDocStringExamples',
+            'description': 'A description of my GET operation.',
+            'parameters': [],
+            'responses': {
+                '200': {
+                    'description': '',
+                    'content': {
+                        'application/json': {
+                            'schema': {
+                                'type': 'array',
+                                'items': {},
+                            },
+                        },
+                    },
+                },
+            },
+        }
+
+    def test_path_with_id_parameter(self):
+        path = '/example/{id}/'
+        method = 'GET'
+
+        view = create_view(
+            views.DocStringExampleDetailView,
+            method,
+            create_request(path)
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        operation = inspector.get_operation(path, method)
+        assert operation == {
+            'operationId': 'RetrieveDocStringExampleDetail',
+            'description': 'A description of my GET operation.',
+            'parameters': [{
+                'description': '',
+                'in': 'path',
+                'name': 'id',
+                'required': True,
+                'schema': {
+                    'type': 'string',
+                },
+            }],
+            'responses': {
+                '200': {
+                    'description': '',
+                    'content': {
+                        'application/json': {
+                            'schema': {
+                            },
+                        },
+                    },
+                },
+            },
+        }
+
+    def test_request_body(self):
+        path = '/'
+        method = 'POST'
+
+        class Serializer(serializers.Serializer):
+            text = serializers.CharField()
+            read_only = serializers.CharField(read_only=True)
+
+        class View(generics.GenericAPIView):
+            serializer_class = Serializer
+
+        view = create_view(
+            View,
+            method,
+            create_request(path)
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        request_body = inspector._get_request_body(path, method)
+        assert request_body['content']['application/json']['schema']['required'] == ['text']
+        assert list(request_body['content']['application/json']['schema']['properties'].keys()) == ['text']
+
+    def test_empty_required(self):
+        path = '/'
+        method = 'POST'
+
+        class Serializer(serializers.Serializer):
+            read_only = serializers.CharField(read_only=True)
+            write_only = serializers.CharField(write_only=True, required=False)
+
+        class View(generics.GenericAPIView):
+            serializer_class = Serializer
+
+        view = create_view(
+            View,
+            method,
+            create_request(path)
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        request_body = inspector._get_request_body(path, method)
+        # there should be no empty 'required' property, see #6834
+        assert 'required' not in request_body['content']['application/json']['schema']
+
+        for response in inspector._get_responses(path, method).values():
+            assert 'required' not in response['content']['application/json']['schema']
+
+    def test_empty_required_with_patch_method(self):
+        path = '/'
+        method = 'PATCH'
+
+        class Serializer(serializers.Serializer):
+            read_only = serializers.CharField(read_only=True)
+            write_only = serializers.CharField(write_only=True, required=False)
+
+        class View(generics.GenericAPIView):
+            serializer_class = Serializer
+
+        view = create_view(
+            View,
+            method,
+            create_request(path)
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        request_body = inspector._get_request_body(path, method)
+        # there should be no empty 'required' property, see #6834
+        assert 'required' not in request_body['content']['application/json']['schema']
+        for response in inspector._get_responses(path, method).values():
+            assert 'required' not in response['content']['application/json']['schema']
+
+    def test_response_body_generation(self):
+        path = '/'
+        method = 'POST'
+
+        class Serializer(serializers.Serializer):
+            text = serializers.CharField()
+            write_only = serializers.CharField(write_only=True)
+
+        class View(generics.GenericAPIView):
+            serializer_class = Serializer
+
+        view = create_view(
+            View,
+            method,
+            create_request(path)
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        responses = inspector._get_responses(path, method)
+        assert responses['200']['content']['application/json']['schema']['required'] == ['text']
+        assert list(responses['200']['content']['application/json']['schema']['properties'].keys()) == ['text']
+        assert 'description' in responses['200']
+
+    def test_response_body_nested_serializer(self):
+        path = '/'
+        method = 'POST'
+
+        class NestedSerializer(serializers.Serializer):
+            number = serializers.IntegerField()
+
+        class Serializer(serializers.Serializer):
+            text = serializers.CharField()
+            nested = NestedSerializer()
+
+        class View(generics.GenericAPIView):
+            serializer_class = Serializer
+
+        view = create_view(
+            View,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        responses = inspector._get_responses(path, method)
+        schema = responses['200']['content']['application/json']['schema']
+        assert sorted(schema['required']) == ['nested', 'text']
+        assert sorted(list(schema['properties'].keys())) == ['nested', 'text']
+        assert schema['properties']['nested']['type'] == 'object'
+        assert list(schema['properties']['nested']['properties'].keys()) == ['number']
+        assert schema['properties']['nested']['required'] == ['number']
+
+    def test_list_response_body_generation(self):
+        """Test that an array schema is returned for list views."""
+        path = '/'
+        method = 'GET'
+
+        class ItemSerializer(serializers.Serializer):
+            text = serializers.CharField()
+
+        class View(generics.GenericAPIView):
+            serializer_class = ItemSerializer
+
+        view = create_view(
+            View,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        responses = inspector._get_responses(path, method)
+        assert responses == {
+            '200': {
+                'description': '',
+                'content': {
+                    'application/json': {
+                        'schema': {
+                            'type': 'array',
+                            'items': {
+                                'properties': {
+                                    'text': {
+                                        'type': 'string',
+                                    },
+                                },
+                                'required': ['text'],
+                            },
+                        },
+                    },
+                },
+            },
+        }
+
+    def test_paginated_list_response_body_generation(self):
+        """Test that pagination properties are added for a paginated list view."""
+        path = '/'
+        method = 'GET'
+
+        class Pagination(pagination.BasePagination):
+            def get_paginated_response_schema(self, schema):
+                return {
+                    'type': 'object',
+                    'item': schema,
+                }
+
+        class ItemSerializer(serializers.Serializer):
+            text = serializers.CharField()
+
+        class View(generics.GenericAPIView):
+            serializer_class = ItemSerializer
+            pagination_class = Pagination
+
+        view = create_view(
+            View,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        responses = inspector._get_responses(path, method)
+        assert responses == {
+            '200': {
+                'description': '',
+                'content': {
+                    'application/json': {
+                        'schema': {
+                            'type': 'object',
+                            'item': {
+                                'type': 'array',
+                                'items': {
+                                    'properties': {
+                                        'text': {
+                                            'type': 'string',
+                                        },
+                                    },
+                                    'required': ['text'],
+                                },
+                            },
+                        },
+                    },
+                },
+            },
+        }
+
+    def test_delete_response_body_generation(self):
+        """Test that a view's delete method generates a proper response body schema."""
+        path = '/{id}/'
+        method = 'DELETE'
+
+        class View(generics.DestroyAPIView):
+            serializer_class = views.ExampleSerializer
+
+        view = create_view(
+            View,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        responses = inspector._get_responses(path, method)
+        assert responses == {
+            '204': {
+                'description': '',
+            },
+        }
+
+    def test_parser_mapping(self):
+        """Test that view's parsers are mapped to OA media types"""
+        path = '/{id}/'
+        method = 'POST'
+
+        class View(generics.CreateAPIView):
+            serializer_class = views.ExampleSerializer
+            parser_classes = [JSONParser, MultiPartParser]
+
+        view = create_view(
+            View,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        request_body = inspector._get_request_body(path, method)
+
+        assert len(request_body['content'].keys()) == 2
+        assert 'multipart/form-data' in request_body['content']
+        assert 'application/json' in request_body['content']
+
+    def test_renderer_mapping(self):
+        """Test that view's renderers are mapped to OA media types"""
+        path = '/{id}/'
+        method = 'GET'
+
+        class View(generics.CreateAPIView):
+            serializer_class = views.ExampleSerializer
+            renderer_classes = [JSONRenderer]
+
+        view = create_view(
+            View,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        responses = inspector._get_responses(path, method)
+        # TODO this should be changed once the multiple response
+        # schema support is there
+        success_response = responses['200']
+
+        assert len(success_response['content'].keys()) == 1
+        assert 'application/json' in success_response['content']
+
+    def test_serializer_filefield(self):
+        path = '/{id}/'
+        method = 'POST'
+
+        class ItemSerializer(serializers.Serializer):
+            attachment = serializers.FileField()
+
+        class View(generics.CreateAPIView):
+            serializer_class = ItemSerializer
+
+        view = create_view(
+            View,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        request_body = inspector._get_request_body(path, method)
+        mp_media = request_body['content']['multipart/form-data']
+        attachment = mp_media['schema']['properties']['attachment']
+        assert attachment['format'] == 'binary'
+
+    def test_retrieve_response_body_generation(self):
+        """
+        Test that a list of properties is returned for retrieve item views.
+
+        Pagination properties should not be added as the view represents a single item.
+        """
+        path = '/{id}/'
+        method = 'GET'
+
+        class Pagination(pagination.BasePagination):
+            def get_paginated_response_schema(self, schema):
+                return {
+                    'type': 'object',
+                    'item': schema,
+                }
+
+        class ItemSerializer(serializers.Serializer):
+            text = serializers.CharField()
+
+        class View(generics.GenericAPIView):
+            serializer_class = ItemSerializer
+            pagination_class = Pagination
+
+        view = create_view(
+            View,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        responses = inspector._get_responses(path, method)
+        assert responses == {
+            '200': {
+                'description': '',
+                'content': {
+                    'application/json': {
+                        'schema': {
+                            'properties': {
+                                'text': {
+                                    'type': 'string',
+                                },
+                            },
+                            'required': ['text'],
+                        },
+                    },
+                },
+            },
+        }
+
+    def test_operation_id_generation(self):
+        path = '/'
+        method = 'GET'
+
+        view = create_view(
+            views.ExampleGenericAPIView,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        operationId = inspector._get_operation_id(path, method)
+        assert operationId == 'listExamples'
+
+    def test_repeat_operation_ids(self):
+        router = routers.SimpleRouter()
+        router.register('account', views.ExampleGenericViewSet, basename="account")
+        urlpatterns = router.urls
+
+        generator = SchemaGenerator(patterns=urlpatterns)
+
+        request = create_request('/')
+        schema = generator.get_schema(request=request)
+        schema_str = str(schema)
+        print(schema_str)
+        assert schema_str.count("operationId") == 2
+        assert schema_str.count("newExample") == 1
+        assert schema_str.count("oldExample") == 1
+
+    def test_serializer_datefield(self):
+        path = '/'
+        method = 'GET'
+        view = create_view(
+            views.ExampleGenericAPIView,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        responses = inspector._get_responses(path, method)
+        response_schema = responses['200']['content']['application/json']['schema']
+        properties = response_schema['items']['properties']
+        assert properties['date']['type'] == properties['datetime']['type'] == 'string'
+        assert properties['date']['format'] == 'date'
+        assert properties['datetime']['format'] == 'date-time'
+
+    def test_serializer_hstorefield(self):
+        path = '/'
+        method = 'GET'
+        view = create_view(
+            views.ExampleGenericAPIView,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        responses = inspector._get_responses(path, method)
+        response_schema = responses['200']['content']['application/json']['schema']
+        properties = response_schema['items']['properties']
+        assert properties['hstore']['type'] == 'object'
+
+    def test_serializer_validators(self):
+        path = '/'
+        method = 'GET'
+        view = create_view(
+            views.ExampleValidatedAPIView,
+            method,
+            create_request(path),
+        )
+        inspector = AutoSchema()
+        inspector.view = view
+
+        responses = inspector._get_responses(path, method)
+        response_schema = responses['200']['content']['application/json']['schema']
+        properties = response_schema['items']['properties']
+
+        assert properties['integer']['type'] == 'integer'
+        assert properties['integer']['maximum'] == 99
+        assert properties['integer']['minimum'] == -11
+
+        assert properties['string']['minLength'] == 2
+        assert properties['string']['maxLength'] == 10
+
+        assert properties['lst']['minItems'] == 2
+        assert properties['lst']['maxItems'] == 10
+
+        assert properties['regex']['pattern'] == r'[ABC]12{3}'
+        assert properties['regex']['description'] == 'must have an A, B, or C followed by 1222'
+
+        assert properties['decimal1']['type'] == 'number'
+        assert properties['decimal1']['multipleOf'] == .01
+        assert properties['decimal1']['maximum'] == 10000
+        assert properties['decimal1']['minimum'] == -10000
+
+        assert properties['decimal2']['type'] == 'number'
+        assert properties['decimal2']['multipleOf'] == .0001
+
+        assert properties['email']['type'] == 'string'
+        assert properties['email']['format'] == 'email'
+        assert properties['email']['default'] == 'foo@bar.com'
+
+        assert properties['url']['type'] == 'string'
+        assert properties['url']['nullable'] is True
+        assert properties['url']['default'] == 'http://www.example.com'
+
+        assert properties['uuid']['type'] == 'string'
+        assert properties['uuid']['format'] == 'uuid'
+
+        assert properties['ip4']['type'] == 'string'
+        assert properties['ip4']['format'] == 'ipv4'
+
+        assert properties['ip6']['type'] == 'string'
+        assert properties['ip6']['format'] == 'ipv6'
+
+        assert properties['ip']['type'] == 'string'
+        assert 'format' not in properties['ip']
+
+
+@pytest.mark.skipif(uritemplate is None, reason='uritemplate not installed.')
+@override_settings(REST_FRAMEWORK={'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.openapi.AutoSchema'})
+class TestGenerator(TestCase):
+
+    def test_override_settings(self):
+        assert isinstance(views.ExampleListView.schema, AutoSchema)
+
+    def test_paths_construction(self):
+        """Construction of the `paths` key."""
+        patterns = [
+            url(r'^example/?$', views.ExampleListView.as_view()),
+        ]
+        generator = SchemaGenerator(patterns=patterns)
+        generator._initialise_endpoints()
+
+        paths = generator.get_paths()
+
+        assert '/example/' in paths
+        example_operations = paths['/example/']
+        assert len(example_operations) == 2
+        assert 'get' in example_operations
+        assert 'post' in example_operations
+
+    def test_prefixed_paths_construction(self):
+        """Construction of the `paths` key maintains a common prefix."""
+        patterns = [
+            url(r'^v1/example/?$', views.ExampleListView.as_view()),
+            url(r'^v1/example/{pk}/?$', views.ExampleDetailView.as_view()),
+        ]
+        generator = SchemaGenerator(patterns=patterns)
+        generator._initialise_endpoints()
+
+        paths = generator.get_paths()
+
+        assert '/v1/example/' in paths
+        assert '/v1/example/{id}/' in paths
+
+    def test_mount_url_prefixed_to_paths(self):
+        patterns = [
+            url(r'^example/?$', views.ExampleListView.as_view()),
+            url(r'^example/{pk}/?$', views.ExampleDetailView.as_view()),
+        ]
+        generator = SchemaGenerator(patterns=patterns, url='/api')
+        generator._initialise_endpoints()
+
+        paths = generator.get_paths()
+
+        assert '/api/example/' in paths
+        assert '/api/example/{id}/' in paths
+
+    def test_schema_construction(self):
+        """Construction of the top level dictionary."""
+        patterns = [
+            url(r'^example/?$', views.ExampleListView.as_view()),
+        ]
+        generator = SchemaGenerator(patterns=patterns)
+
+        request = create_request('/')
+        schema = generator.get_schema(request=request)
+
+        assert 'openapi' in schema
+        assert 'paths' in schema
+
+    def test_schema_information(self):
+        """Construction of the top level dictionary."""
+        patterns = [
+            url(r'^example/?$', views.ExampleListView.as_view()),
+        ]
+        generator = SchemaGenerator(patterns=patterns, title='My title', version='1.2.3', description='My description')
+
+        request = create_request('/')
+        schema = generator.get_schema(request=request)
+
+        assert schema['info']['title'] == 'My title'
+        assert schema['info']['version'] == '1.2.3'
+        assert schema['info']['description'] == 'My description'
+
+    def test_schema_information_empty(self):
+        """Construction of the top level dictionary."""
+        patterns = [
+            url(r'^example/?$', views.ExampleListView.as_view()),
+        ]
+        generator = SchemaGenerator(patterns=patterns)
+
+        request = create_request('/')
+        schema = generator.get_schema(request=request)
+
+        assert schema['info']['title'] == ''
+        assert schema['info']['version'] == ''
diff --git a/tests/schemas/views.py b/tests/schemas/views.py
new file mode 100644
index 000000000..f8d143e71
--- /dev/null
+++ b/tests/schemas/views.py
@@ -0,0 +1,138 @@
+import uuid
+
+from django.core.validators import (
+    DecimalValidator, MaxLengthValidator, MaxValueValidator,
+    MinLengthValidator, MinValueValidator, RegexValidator
+)
+
+from rest_framework import generics, permissions, serializers
+from rest_framework.decorators import action
+from rest_framework.response import Response
+from rest_framework.views import APIView
+from rest_framework.viewsets import GenericViewSet
+
+
+class ExampleListView(APIView):
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly]
+
+    def get(self, *args, **kwargs):
+        pass
+
+    def post(self, request, *args, **kwargs):
+        pass
+
+
+class ExampleDetailView(APIView):
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly]
+
+    def get(self, *args, **kwargs):
+        pass
+
+
+class DocStringExampleListView(APIView):
+    """
+    get: A description of my GET operation.
+    post: A description of my POST operation.
+    """
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly]
+
+    def get(self, *args, **kwargs):
+        pass
+
+    def post(self, request, *args, **kwargs):
+        pass
+
+
+class DocStringExampleDetailView(APIView):
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly]
+
+    def get(self, *args, **kwargs):
+        """
+        A description of my GET operation.
+        """
+        pass
+
+
+# Generics.
+class ExampleSerializer(serializers.Serializer):
+    date = serializers.DateField()
+    datetime = serializers.DateTimeField()
+    hstore = serializers.HStoreField()
+
+
+class ExampleGenericAPIView(generics.GenericAPIView):
+    serializer_class = ExampleSerializer
+
+    def get(self, *args, **kwargs):
+        from datetime import datetime
+        now = datetime.now()
+
+        serializer = self.get_serializer(data=now.date(), datetime=now)
+        return Response(serializer.data)
+
+
+class ExampleGenericViewSet(GenericViewSet):
+    serializer_class = ExampleSerializer
+
+    def get(self, *args, **kwargs):
+        from datetime import datetime
+        now = datetime.now()
+
+        serializer = self.get_serializer(data=now.date(), datetime=now)
+        return Response(serializer.data)
+
+    @action(detail=False)
+    def new(self, *args, **kwargs):
+        pass
+
+    @action(detail=False)
+    def old(self, *args, **kwargs):
+        pass
+
+
+# Validators and/or equivalent Field attributes.
+class ExampleValidatedSerializer(serializers.Serializer):
+    integer = serializers.IntegerField(
+        validators=(
+            MaxValueValidator(limit_value=99),
+            MinValueValidator(limit_value=-11),
+        )
+    )
+    string = serializers.CharField(
+        validators=(
+            MaxLengthValidator(limit_value=10),
+            MinLengthValidator(limit_value=2),
+        )
+    )
+    regex = serializers.CharField(
+        validators=(
+            RegexValidator(regex=r'[ABC]12{3}'),
+        ),
+        help_text='must have an A, B, or C followed by 1222'
+    )
+    lst = serializers.ListField(
+        validators=(
+            MaxLengthValidator(limit_value=10),
+            MinLengthValidator(limit_value=2),
+        )
+    )
+    decimal1 = serializers.DecimalField(max_digits=6, decimal_places=2)
+    decimal2 = serializers.DecimalField(max_digits=5, decimal_places=0,
+                                        validators=(DecimalValidator(max_digits=17, decimal_places=4),))
+    email = serializers.EmailField(default='foo@bar.com')
+    url = serializers.URLField(default='http://www.example.com', allow_null=True)
+    uuid = serializers.UUIDField()
+    ip4 = serializers.IPAddressField(protocol='ipv4')
+    ip6 = serializers.IPAddressField(protocol='ipv6')
+    ip = serializers.IPAddressField()
+
+
+class ExampleValidatedAPIView(generics.GenericAPIView):
+    serializer_class = ExampleValidatedSerializer
+
+    def get(self, *args, **kwargs):
+        serializer = self.get_serializer(integer=33, string='hello', regex='foo', decimal1=3.55,
+                                         decimal2=5.33, email='a@b.co',
+                                         url='http://localhost', uuid=uuid.uuid4(), ip4='127.0.0.1', ip6='::1',
+                                         ip='192.168.1.1')
+        return Response(serializer.data)
diff --git a/tests/test_api_client.py b/tests/test_api_client.py
index e4354ec60..74a3579e2 100644
--- a/tests/test_api_client.py
+++ b/tests/test_api_client.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import os
 import tempfile
 import unittest
diff --git a/tests/test_atomic_requests.py b/tests/test_atomic_requests.py
index 697c549de..de04d2c06 100644
--- a/tests/test_atomic_requests.py
+++ b/tests/test_atomic_requests.py
@@ -1,12 +1,9 @@
-from __future__ import unicode_literals
-
 import unittest
 
 from django.conf.urls import url
 from django.db import connection, connections, transaction
 from django.http import Http404
 from django.test import TestCase, TransactionTestCase, override_settings
-from django.utils.decorators import method_decorator
 
 from rest_framework import status
 from rest_framework.exceptions import APIException
@@ -37,9 +34,9 @@ class APIExceptionView(APIView):
 
 
 class NonAtomicAPIExceptionView(APIView):
-    @method_decorator(transaction.non_atomic_requests)
+    @transaction.non_atomic_requests
     def dispatch(self, *args, **kwargs):
-        return super(NonAtomicAPIExceptionView, self).dispatch(*args, **kwargs)
+        return super().dispatch(*args, **kwargs)
 
     def get(self, request, *args, **kwargs):
         BasicModel.objects.all()
diff --git a/tests/test_authtoken.py b/tests/test_authtoken.py
index c8957f978..036e317ef 100644
--- a/tests/test_authtoken.py
+++ b/tests/test_authtoken.py
@@ -1,9 +1,10 @@
+from io import StringIO
+
 import pytest
 from django.contrib.admin import site
 from django.contrib.auth.models import User
 from django.core.management import CommandError, call_command
 from django.test import TestCase
-from django.utils.six import StringIO
 
 from rest_framework.authtoken.admin import TokenAdmin
 from rest_framework.authtoken.management.commands.drf_create_token import \
diff --git a/tests/test_bound_fields.py b/tests/test_bound_fields.py
index e90e65edf..dc5ab542f 100644
--- a/tests/test_bound_fields.py
+++ b/tests/test_bound_fields.py
@@ -28,7 +28,7 @@ class TestSimpleBoundField:
         assert serializer['text'].value == 'abc'
         assert serializer['text'].errors is None
         assert serializer['text'].name == 'text'
-        assert serializer['amount'].value is 123
+        assert serializer['amount'].value == 123
         assert serializer['amount'].errors is None
         assert serializer['amount'].name == 'amount'
 
@@ -43,7 +43,7 @@ class TestSimpleBoundField:
         assert serializer['text'].value == 'x' * 1000
         assert serializer['text'].errors == ['Ensure this field has no more than 100 characters.']
         assert serializer['text'].name == 'text'
-        assert serializer['amount'].value is 123
+        assert serializer['amount'].value == 123
         assert serializer['amount'].errors is None
         assert serializer['amount'].name == 'amount'
 
@@ -54,7 +54,7 @@ class TestSimpleBoundField:
 
         serializer = ExampleSerializer()
         del serializer.fields['text']
-        assert 'text' not in serializer.fields.keys()
+        assert 'text' not in serializer.fields
 
     def test_as_form_fields(self):
         class ExampleSerializer(serializers.Serializer):
@@ -151,7 +151,7 @@ class TestNestedBoundField:
                 '<legend>Nested1</legend>'
                 '<divclass="form-group">'
                 '<label>Textfield</label>'
-                '<inputname="nested2.nested1.text_field"class="form-control"type="text">'
+                '<inputname="nested2.nested1.text_field"class="form-control"type="text"value="">'
                 '</div>'
                 '</fieldset>'
                 '<divclass="form-group">'
diff --git a/tests/test_decorators.py b/tests/test_decorators.py
index 6331742db..e10f0e5c5 100644
--- a/tests/test_decorators.py
+++ b/tests/test_decorators.py
@@ -1,12 +1,11 @@
-from __future__ import unicode_literals
-
+import pytest
 from django.test import TestCase
 
 from rest_framework import status
 from rest_framework.authentication import BasicAuthentication
 from rest_framework.decorators import (
-    api_view, authentication_classes, parser_classes, permission_classes,
-    renderer_classes, schema, throttle_classes
+    action, api_view, authentication_classes, parser_classes,
+    permission_classes, renderer_classes, schema, throttle_classes
 )
 from rest_framework.parsers import JSONParser
 from rest_framework.permissions import IsAuthenticated
@@ -166,3 +165,122 @@ class DecoratorTestCase(TestCase):
             return Response({})
 
         assert isinstance(view.cls.schema, CustomSchema)
+
+
+class ActionDecoratorTestCase(TestCase):
+
+    def test_defaults(self):
+        @action(detail=True)
+        def test_action(request):
+            """Description"""
+
+        assert test_action.mapping == {'get': 'test_action'}
+        assert test_action.detail is True
+        assert test_action.url_path == 'test_action'
+        assert test_action.url_name == 'test-action'
+        assert test_action.kwargs == {
+            'name': 'Test action',
+            'description': 'Description',
+        }
+
+    def test_detail_required(self):
+        with pytest.raises(AssertionError) as excinfo:
+            @action()
+            def test_action(request):
+                raise NotImplementedError
+
+        assert str(excinfo.value) == "@action() missing required argument: 'detail'"
+
+    def test_method_mapping_http_methods(self):
+        # All HTTP methods should be mappable
+        @action(detail=False, methods=[])
+        def test_action():
+            raise NotImplementedError
+
+        for name in APIView.http_method_names:
+            def method():
+                raise NotImplementedError
+
+            method.__name__ = name
+            getattr(test_action.mapping, name)(method)
+
+        # ensure the mapping returns the correct method name
+        for name in APIView.http_method_names:
+            assert test_action.mapping[name] == name
+
+    def test_view_name_kwargs(self):
+        """
+        'name' and 'suffix' are mutually exclusive kwargs used for generating
+        a view's display name.
+        """
+        # by default, generate name from method
+        @action(detail=True)
+        def test_action(request):
+            raise NotImplementedError
+
+        assert test_action.kwargs == {
+            'description': None,
+            'name': 'Test action',
+        }
+
+        # name kwarg supersedes name generation
+        @action(detail=True, name='test name')
+        def test_action(request):
+            raise NotImplementedError
+
+        assert test_action.kwargs == {
+            'description': None,
+            'name': 'test name',
+        }
+
+        # suffix kwarg supersedes name generation
+        @action(detail=True, suffix='Suffix')
+        def test_action(request):
+            raise NotImplementedError
+
+        assert test_action.kwargs == {
+            'description': None,
+            'suffix': 'Suffix',
+        }
+
+        # name + suffix is a conflict.
+        with pytest.raises(TypeError) as excinfo:
+            action(detail=True, name='test name', suffix='Suffix')
+
+        assert str(excinfo.value) == "`name` and `suffix` are mutually exclusive arguments."
+
+    def test_method_mapping(self):
+        @action(detail=False)
+        def test_action(request):
+            raise NotImplementedError
+
+        @test_action.mapping.post
+        def test_action_post(request):
+            raise NotImplementedError
+
+        # The secondary handler methods should not have the action attributes
+        for name in ['mapping', 'detail', 'url_path', 'url_name', 'kwargs']:
+            assert hasattr(test_action, name) and not hasattr(test_action_post, name)
+
+    def test_method_mapping_already_mapped(self):
+        @action(detail=True)
+        def test_action(request):
+            raise NotImplementedError
+
+        msg = "Method 'get' has already been mapped to '.test_action'."
+        with self.assertRaisesMessage(AssertionError, msg):
+            @test_action.mapping.get
+            def test_action_get(request):
+                raise NotImplementedError
+
+    def test_method_mapping_overwrite(self):
+        @action(detail=True)
+        def test_action():
+            raise NotImplementedError
+
+        msg = ("Method mapping does not behave like the property decorator. You "
+               "cannot use the same method name for each mapping declaration.")
+        with self.assertRaisesMessage(AssertionError, msg):
+            @test_action.mapping.post
+            def test_action():
+                raise NotImplementedError
diff --git a/tests/test_description.py b/tests/test_description.py
index 6ccbec882..ae00fe4a9 100644
--- a/tests/test_description.py
+++ b/tests/test_description.py
@@ -1,15 +1,9 @@
-# -- coding: utf-8 --
-
-from __future__ import unicode_literals
-
 from django.test import TestCase
-from django.utils.encoding import python_2_unicode_compatible
 
 from rest_framework.compat import apply_markdown
 from rest_framework.utils.formatting import dedent
 from rest_framework.views import APIView
 
-
 # We check that docstrings get nicely un-indented.
 DESCRIPTION = """an example docstring
 ====================
@@ -86,6 +80,22 @@ class TestViewNamesAndDescriptions(TestCase):
             pass
         assert MockView().get_view_name() == 'Mock'
 
+    def test_view_name_uses_name_attribute(self):
+        class MockView(APIView):
+            name = 'Foo'
+        assert MockView().get_view_name() == 'Foo'
+
+    def test_view_name_uses_suffix_attribute(self):
+        class MockView(APIView):
+            suffix = 'List'
+        assert MockView().get_view_name() == 'Mock List'
+
+    def test_view_name_preferences_name_over_suffix(self):
+        class MockView(APIView):
+            name = 'Foo'
+            suffix = 'List'
+        assert MockView().get_view_name() == 'Foo'
+
     def test_view_description_uses_docstring(self):
         """Ensure view descriptions are based on the docstring."""
         class MockView(APIView):
@@ -113,6 +123,17 @@ class TestViewNamesAndDescriptions(TestCase):
 
         assert MockView().get_view_description() == DESCRIPTION
 
+    def test_view_description_uses_description_attribute(self):
+        class MockView(APIView):
+            description = 'Foo'
+        assert MockView().get_view_description() == 'Foo'
+
+    def test_view_description_allows_empty_description(self):
+        class MockView(APIView):
+            """Description."""
+            description = ''
+        assert MockView().get_view_description() == ''
+
     def test_view_description_can_be_empty(self):
         """
         Ensure that if a view has no docstring,
@@ -131,8 +152,8 @@ class TestViewNamesAndDescriptions(TestCase):
         """
         # use a mock object instead of gettext_lazy to ensure that we can't end
         # up with a test case string in our l10n catalog
-        @python_2_unicode_compatible
-        class MockLazyStr(object):
+
+        class MockLazyStr:
             def __init__(self, string):
                 self.s = string
 
diff --git a/tests/test_encoders.py b/tests/test_encoders.py
index 27136df87..c104dd5a5 100644
--- a/tests/test_encoders.py
+++ b/tests/test_encoders.py
@@ -8,9 +8,10 @@ from django.utils.timezone import utc
 
 from rest_framework.compat import coreapi
 from rest_framework.utils.encoders import JSONEncoder
+from rest_framework.utils.serializer_helpers import ReturnList
 
 
-class MockList(object):
+class MockList:
     def tolist(self):
         return [1, 2, 3]
 
@@ -76,6 +77,7 @@ class JSONEncoderTests(TestCase):
         unique_id = uuid4()
         assert self.encoder.default(unique_id) == str(unique_id)
 
+    @pytest.mark.skipif(not coreapi, reason='coreapi is not installed')
     def test_encode_coreapi_raises_error(self):
         """
         Tests encoding a coreapi objects raises proper error
@@ -92,3 +94,10 @@ class JSONEncoderTests(TestCase):
         """
         foo = MockList()
         assert self.encoder.default(foo) == [1, 2, 3]
+
+    def test_encode_empty_returnlist(self):
+        """
+        Tests encoding an empty ReturnList
+        """
+        foo = ReturnList(serializer=None)
+        assert self.encoder.default(foo) == []
diff --git a/tests/test_exceptions.py b/tests/test_exceptions.py
index c4e536eda..44995f4cd 100644
--- a/tests/test_exceptions.py
+++ b/tests/test_exceptions.py
@@ -1,11 +1,14 @@
-from __future__ import unicode_literals
-
-from django.test import TestCase
-from django.utils import six
-from django.utils.translation import ugettext_lazy as _
+from django.test import RequestFactory, TestCase
+from django.utils import translation
+from django.utils.translation import gettext_lazy as _
 
 from rest_framework.exceptions import (
+<<<<<<< HEAD
     ErrorDetail, Throttled, _get_error_details, ValidationError
+=======
+    APIException, ErrorDetail, Throttled, _get_error_details, bad_request,
+    server_error
+>>>>>>> 0d6589cf45940bb67ace74a06b2c5b053f1c31ef
 )
 
 
@@ -49,10 +52,65 @@ class ExceptionTestCase(TestCase):
 
         exception = Throttled(wait=2)
         assert exception.get_full_details() == {
-            'message': 'Request was throttled. Expected available in {} seconds.'.format(2 if six.PY3 else 2.),
+            'message': 'Request was throttled. Expected available in {} seconds.'.format(2),
             'code': 'throttled'}
 
         exception = Throttled(wait=2, detail='Slow down!')
         assert exception.get_full_details() == {
-            'message': 'Slow down! Expected available in {} seconds.'.format(2 if six.PY3 else 2.),
+            'message': 'Slow down! Expected available in {} seconds.'.format(2),
             'code': 'throttled'}
+
+
+class ErrorDetailTests(TestCase):
+
+    def test_eq(self):
+        assert ErrorDetail('msg') == ErrorDetail('msg')
+        assert ErrorDetail('msg', 'code') == ErrorDetail('msg', code='code')
+
+        assert ErrorDetail('msg') == 'msg'
+        assert ErrorDetail('msg', 'code') == 'msg'
+
+    def test_ne(self):
+        assert ErrorDetail('msg1') != ErrorDetail('msg2')
+        assert ErrorDetail('msg') != ErrorDetail('msg', code='invalid')
+
+        assert ErrorDetail('msg1') != 'msg2'
+        assert ErrorDetail('msg1', 'code') != 'msg2'
+
+    def test_repr(self):
+        assert repr(ErrorDetail('msg1')) == \
+            'ErrorDetail(string={!r}, code=None)'.format('msg1')
+        assert repr(ErrorDetail('msg1', 'code')) == \
+            'ErrorDetail(string={!r}, code={!r})'.format('msg1', 'code')
+
+    def test_str(self):
+        assert str(ErrorDetail('msg1')) == 'msg1'
+        assert str(ErrorDetail('msg1', 'code')) == 'msg1'
+
+    def test_hash(self):
+        assert hash(ErrorDetail('msg')) == hash('msg')
+        assert hash(ErrorDetail('msg', 'code')) == hash('msg')
+
+
+class TranslationTests(TestCase):
+
+    @translation.override('fr')
+    def test_message(self):
+        # this test largely acts as a sanity test to ensure the translation files are present.
+        self.assertEqual(_('A server error occurred.'), 'Une erreur du serveur est survenue.')
+        self.assertEqual(str(APIException()), 'Une erreur du serveur est survenue.')
+
+
+def test_server_error():
+    request = RequestFactory().get('/')
+    response = server_error(request)
+    assert response.status_code == 500
+    assert response["content-type"] == 'application/json'
+
+
+def test_bad_request():
+    request = RequestFactory().get('/')
+    exception = Exception('Something went wrong — Not used')
+    response = bad_request(request, exception)
+    assert response.status_code == 400
+    assert response["content-type"] == 'application/json'
diff --git a/tests/test_fields.py b/tests/test_fields.py
index fc9ce192a..1d302b730 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -1,34 +1,27 @@
 import datetime
 import os
 import re
-import unittest
 import uuid
 from decimal import ROUND_DOWN, ROUND_UP, Decimal
 
 import pytest
+import pytz
+from django.core.exceptions import ValidationError as DjangoValidationError
 from django.http import QueryDict
 from django.test import TestCase, override_settings
-from django.utils import six
-from django.utils.timezone import activate, deactivate, utc
+from django.utils.timezone import activate, deactivate, override, utc
 
 import rest_framework
-from rest_framework import compat, serializers
-from rest_framework.fields import DjangoImageField, is_simple_callable
-
-try:
-    import pytz
-except ImportError:
-    pytz = None
-
-try:
-    import typings
-except ImportError:
-    typings = False
-
+from rest_framework import exceptions, serializers
+from rest_framework.compat import ProhibitNullCharactersValidator
+from rest_framework.fields import (
+    BuiltinSignatureError, DjangoImageField, is_simple_callable
+)
 
 # Tests for helper functions.
 # ---------------------------
 
+
 class TestIsSimpleCallable:
 
     def test_method(self):
@@ -95,11 +88,23 @@ class TestIsSimpleCallable:
 
         assert is_simple_callable(ChoiceModel().get_choice_field_display)
 
-    @unittest.skipUnless(typings, 'requires python 3.5')
+    def test_builtin_function(self):
+        # Built-in function signatures are not easily inspectable, so the
+        # current expectation is to just raise a helpful error message.
+        timestamp = datetime.datetime.now()
+
+        with pytest.raises(BuiltinSignatureError) as exc_info:
+            is_simple_callable(timestamp.date)
+
+        assert str(exc_info.value) == (
+            'Built-in function signatures are not inspectable. Wrap the '
+            'function call in a simple, pure Python function.')
+
     def test_type_annotation(self):
         # The annotation will otherwise raise a syntax error in python < 3.5
-        exec("def valid(param: str='value'):  pass", locals())
-        valid = locals()['valid']
+        locals = {}
+        exec("def valid(param: str='value'):  pass", locals)
+        valid = locals['valid']
 
         assert is_simple_callable(valid)
 
@@ -168,7 +173,7 @@ class TestEmpty:
         """
         field = serializers.IntegerField(default=123)
         output = field.run_validation()
-        assert output is 123
+        assert output == 123
 
 
 class TestSource:
@@ -194,7 +199,7 @@ class TestSource:
         class ExampleSerializer(serializers.Serializer):
             example_field = serializers.CharField(source='example_callable')
 
-        class ExampleInstance(object):
+        class ExampleInstance:
             def example_callable(self):
                 return 'example callable value'
 
@@ -205,7 +210,7 @@ class TestSource:
         class ExampleSerializer(serializers.Serializer):
             example_field = serializers.CharField(source='example_callable', read_only=True)
 
-        class ExampleInstance(object):
+        class ExampleInstance:
             def example_callable(self):
                 raise AttributeError('method call failed')
 
@@ -215,14 +220,33 @@ class TestSource:
 
         assert 'method call failed' in str(exc_info.value)
 
+    def test_builtin_callable_source_raises(self):
+        class BuiltinSerializer(serializers.Serializer):
+            date = serializers.ReadOnlyField(source='timestamp.date')
+
+        with pytest.raises(BuiltinSignatureError) as exc_info:
+            BuiltinSerializer({'timestamp': datetime.datetime.now()}).data
+
+        assert str(exc_info.value) == (
+            'Field source for `BuiltinSerializer.date` maps to a built-in '
+            'function type and is invalid. Define a property or method on '
+            'the `dict` instance that wraps the call to the built-in function.')
+
 
 class TestReadOnly:
     def setup(self):
         class TestSerializer(serializers.Serializer):
-            read_only = serializers.ReadOnlyField()
+            read_only = serializers.ReadOnlyField(default="789")
             writable = serializers.IntegerField()
         self.Serializer = TestSerializer
 
+    def test_writable_fields(self):
+        """
+        Read-only fields should not be writable, even with default ()
+        """
+        serializer = self.Serializer()
+        assert len(list(serializer._writable_fields)) == 1
+
     def test_validate_read_only(self):
         """
         Read-only serializers.should not be included in validation.
@@ -401,7 +425,7 @@ class TestHTMLInput:
 
         serializer = TestSerializer(data=QueryDict('message='))
         assert serializer.is_valid()
-        assert list(serializer.validated_data.keys()) == ['message']
+        assert list(serializer.validated_data) == ['message']
 
     def test_empty_html_uuidfield_with_optional(self):
         class TestSerializer(serializers.Serializer):
@@ -409,7 +433,7 @@ class TestHTMLInput:
 
         serializer = TestSerializer(data=QueryDict('message='))
         assert serializer.is_valid()
-        assert list(serializer.validated_data.keys()) == []
+        assert list(serializer.validated_data) == []
 
     def test_empty_html_charfield_allow_null(self):
         class TestSerializer(serializers.Serializer):
@@ -459,6 +483,55 @@ class TestHTMLInput:
         assert serializer.is_valid()
         assert serializer.validated_data == {'scores': [1]}
 
+    def test_querydict_list_input_no_values_uses_default(self):
+        """
+        When there are no values passed in, and default is set
+        The field should return the default value
+        """
+        class TestSerializer(serializers.Serializer):
+            a = serializers.IntegerField(required=True)
+            scores = serializers.ListField(default=lambda: [1, 3])
+
+        serializer = TestSerializer(data=QueryDict('a=1&'))
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'a': 1, 'scores': [1, 3]}
+
+    def test_querydict_list_input_supports_indexed_keys(self):
+        """
+        When data is passed in the format `scores[0]=1&scores[1]=3`
+        The field should return the correct list, ignoring the default
+        """
+        class TestSerializer(serializers.Serializer):
+            scores = serializers.ListField(default=lambda: [1, 3])
+
+        serializer = TestSerializer(data=QueryDict("scores[0]=5&scores[1]=6"))
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'scores': ['5', '6']}
+
+    def test_querydict_list_input_no_values_no_default_and_not_required(self):
+        """
+        When there are no keys passed, there is no default, and required=False
+        The field should be skipped
+        """
+        class TestSerializer(serializers.Serializer):
+            scores = serializers.ListField(required=False)
+
+        serializer = TestSerializer(data=QueryDict(''))
+        assert serializer.is_valid()
+        assert serializer.validated_data == {}
+
+    def test_querydict_list_input_posts_key_but_no_values(self):
+        """
+        When there are no keys passed, there is no default, and required=False
+        The field should return an array of 1 item, blank
+        """
+        class TestSerializer(serializers.Serializer):
+            scores = serializers.ListField(required=False)
+
+        serializer = TestSerializer(data=QueryDict('scores=&'))
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'scores': ['']}
+
 
 class TestCreateOnlyDefault:
     def setup(self):
@@ -573,7 +646,7 @@ class TestBooleanField(FieldValues):
         False: False,
     }
     invalid_inputs = {
-        'foo': ['"foo" is not a valid boolean.'],
+        'foo': ['Must be a valid boolean.'],
         None: ['This field may not be null.']
     }
     outputs = {
@@ -598,13 +671,13 @@ class TestBooleanField(FieldValues):
         for input_value in inputs:
             with pytest.raises(serializers.ValidationError) as exc_info:
                 field.run_validation(input_value)
-            expected = ['"{0}" is not a valid boolean.'.format(input_value)]
+            expected = ['Must be a valid boolean.'.format(input_value)]
             assert exc_info.value.detail == expected
 
 
 class TestNullBooleanField(TestBooleanField):
     """
-    Valid and invalid values for `BooleanField`.
+    Valid and invalid values for `NullBooleanField`.
     """
     valid_inputs = {
         'true': True,
@@ -615,7 +688,7 @@ class TestNullBooleanField(TestBooleanField):
         None: None
     }
     invalid_inputs = {
-        'foo': ['"foo" is not a valid boolean.'],
+        'foo': ['Must be a valid boolean.'],
     }
     outputs = {
         'true': True,
@@ -629,6 +702,16 @@ class TestNullBooleanField(TestBooleanField):
     field = serializers.NullBooleanField()
 
 
+class TestNullableBooleanField(TestNullBooleanField):
+    """
+    Valid and invalid values for `BooleanField` when `allow_null=True`.
+    """
+
+    @property
+    def field(self):
+        return serializers.BooleanField(allow_null=True)
+
+
 # String types...
 
 class TestCharField(FieldValues):
@@ -665,6 +748,36 @@ class TestCharField(FieldValues):
             field.run_validation('   ')
         assert exc_info.value.detail == ['This field may not be blank.']
 
+    @pytest.mark.skipif(ProhibitNullCharactersValidator is None, reason="Skipped on Django < 2.0")
+    def test_null_bytes(self):
+        field = serializers.CharField()
+
+        for value in ('\0', 'foo\0', '\0foo', 'foo\0foo'):
+            with pytest.raises(serializers.ValidationError) as exc_info:
+                field.run_validation(value)
+            assert exc_info.value.detail == [
+                'Null characters are not allowed.'
+            ]
+
+    def test_iterable_validators(self):
+        """
+        Ensure `validators` parameter is compatible with reasonable iterables.
+        """
+        value = 'example'
+
+        for validators in ([], (), set()):
+            field = serializers.CharField(validators=validators)
+            field.run_validation(value)
+
+        def raise_exception(value):
+            raise exceptions.ValidationError('Raised error')
+
+        for validators in ([raise_exception], (raise_exception,), {raise_exception}):
+            field = serializers.CharField(validators=validators)
+            with pytest.raises(serializers.ValidationError) as exc_info:
+                field.run_validation(value)
+            assert exc_info.value.detail == ['Raised error']
+
 
 class TestEmailField(FieldValues):
     """
@@ -727,7 +840,7 @@ class TestSlugField(FieldValues):
 
         validation_error = False
         try:
-            field.run_validation(u'slug-99-\u0420')
+            field.run_validation('slug-99-\u0420')
         except serializers.ValidationError:
             validation_error = True
 
@@ -759,8 +872,8 @@ class TestUUIDField(FieldValues):
         284758210125106368185219588917561929842: uuid.UUID('d63a6fb6-88d5-40c7-a91c-9edf73283072')
     }
     invalid_inputs = {
-        '825d7aeb-05a9-45b5-a5b7': ['"825d7aeb-05a9-45b5-a5b7" is not a valid UUID.'],
-        (1, 2, 3): ['"(1, 2, 3)" is not a valid UUID.']
+        '825d7aeb-05a9-45b5-a5b7': ['Must be a valid UUID.'],
+        (1, 2, 3): ['Must be a valid UUID.']
     }
     outputs = {
         uuid.UUID('825d7aeb-05a9-45b5-a5b7-05df87923cda'): '825d7aeb-05a9-45b5-a5b7-05df87923cda'
@@ -967,6 +1080,7 @@ class TestDecimalField(FieldValues):
     invalid_inputs = (
         ('abc', ["A valid number is required."]),
         (Decimal('Nan'), ["A valid number is required."]),
+        (Decimal('Snan'), ["A valid number is required."]),
         (Decimal('Inf'), ["A valid number is required."]),
         ('12.345', ["Ensure that there are no more than 3 digits in total."]),
         (200000000000.0, ["Ensure that there are no more than 3 digits in total."]),
@@ -1053,7 +1167,7 @@ class TestLocalizedDecimalField(TestCase):
 
     def test_localize_forces_coerce_to_string(self):
         field = serializers.DecimalField(max_digits=2, decimal_places=1, coerce_to_string=False, localize=True)
-        assert isinstance(field.to_representation(Decimal('1.1')), six.string_types)
+        assert isinstance(field.to_representation(Decimal('1.1')), str)
 
 
 class TestQuantizedValueForDecimal(TestCase):
@@ -1115,14 +1229,16 @@ class TestDateField(FieldValues):
         datetime.date(2001, 1, 1): datetime.date(2001, 1, 1),
     }
     invalid_inputs = {
-        'abc': ['Date has wrong format. Use one of these formats instead: YYYY[-MM[-DD]].'],
-        '2001-99-99': ['Date has wrong format. Use one of these formats instead: YYYY[-MM[-DD]].'],
+        'abc': ['Date has wrong format. Use one of these formats instead: YYYY-MM-DD.'],
+        '2001-99-99': ['Date has wrong format. Use one of these formats instead: YYYY-MM-DD.'],
+        '2001-01': ['Date has wrong format. Use one of these formats instead: YYYY-MM-DD.'],
+        '2001': ['Date has wrong format. Use one of these formats instead: YYYY-MM-DD.'],
         datetime.datetime(2001, 1, 1, 12, 00): ['Expected a date but got a datetime.'],
     }
     outputs = {
         datetime.date(2001, 1, 1): '2001-01-01',
         '2001-01-01': '2001-01-01',
-        six.text_type('2016-01-10'): '2016-01-10',
+        str('2016-01-10'): '2016-01-10',
         None: None,
         '': None,
     }
@@ -1189,7 +1305,7 @@ class TestDateTimeField(FieldValues):
         datetime.datetime(2001, 1, 1, 13, 00): '2001-01-01T13:00:00Z',
         datetime.datetime(2001, 1, 1, 13, 00, tzinfo=utc): '2001-01-01T13:00:00Z',
         '2001-01-01T00:00:00': '2001-01-01T00:00:00',
-        six.text_type('2016-01-10T00:00:00'): '2016-01-10T00:00:00',
+        str('2016-01-10T00:00:00'): '2016-01-10T00:00:00',
         None: None,
         '': None,
     }
@@ -1250,7 +1366,6 @@ class TestNaiveDateTimeField(FieldValues):
     field = serializers.DateTimeField(default_timezone=None)
 
 
-@pytest.mark.skipif(pytz is None, reason='pytz not installed')
 class TestTZWithDateTimeField(FieldValues):
     """
     Valid and invalid values for `DateTimeField` when not using UTC as the timezone.
@@ -1273,7 +1388,6 @@ class TestTZWithDateTimeField(FieldValues):
         cls.field = serializers.DateTimeField(default_timezone=kolkata)
 
 
-@pytest.mark.skipif(pytz is None, reason='pytz not installed')
 @override_settings(TIME_ZONE='UTC', USE_TZ=True)
 class TestDefaultTZDateTimeField(TestCase):
     """
@@ -1296,6 +1410,27 @@ class TestDefaultTZDateTimeField(TestCase):
         assert self.field.default_timezone() == utc
 
 
+@pytest.mark.skipif(pytz is None, reason='pytz not installed')
+@override_settings(TIME_ZONE='UTC', USE_TZ=True)
+class TestCustomTimezoneForDateTimeField(TestCase):
+
+    @classmethod
+    def setup_class(cls):
+        cls.kolkata = pytz.timezone('Asia/Kolkata')
+        cls.date_format = '%d/%m/%Y %H:%M'
+
+    def test_should_render_date_time_in_default_timezone(self):
+        field = serializers.DateTimeField(default_timezone=self.kolkata, format=self.date_format)
+        dt = datetime.datetime(2018, 2, 8, 14, 15, 16, tzinfo=pytz.utc)
+
+        with override(self.kolkata):
+            rendered_date = field.to_representation(dt)
+
+        rendered_date_in_timezone = dt.astimezone(self.kolkata).strftime(self.date_format)
+
+        assert rendered_date == rendered_date_in_timezone
+
+
 class TestNaiveDayLightSavingTimeTimeZoneDateTimeField(FieldValues):
     """
     Invalid values for `DateTimeField` with datetime in DST shift (non-existing or ambiguous) and timezone with DST.
@@ -1312,7 +1447,7 @@ class TestNaiveDayLightSavingTimeTimeZoneDateTimeField(FieldValues):
     class MockTimezone:
         @staticmethod
         def localize(value, is_dst):
-            raise compat.InvalidTimeError()
+            raise pytz.InvalidTimeError()
 
         def __str__(self):
             return 'America/New_York'
@@ -1380,6 +1515,23 @@ class TestNoOutputFormatTimeField(FieldValues):
     field = serializers.TimeField(format=None)
 
 
+class TestMinMaxDurationField(FieldValues):
+    """
+    Valid and invalid values for `DurationField` with min and max limits.
+    """
+    valid_inputs = {
+        '3 08:32:01.000123': datetime.timedelta(days=3, hours=8, minutes=32, seconds=1, microseconds=123),
+        86401: datetime.timedelta(days=1, seconds=1),
+    }
+    invalid_inputs = {
+        3600: ['Ensure this value is greater than or equal to 1 day, 0:00:00.'],
+        '4 08:32:01.000123': ['Ensure this value is less than or equal to 4 days, 0:00:00.'],
+        '3600': ['Ensure this value is greater than or equal to 1 day, 0:00:00.'],
+    }
+    outputs = {}
+    field = serializers.DurationField(min_value=datetime.timedelta(days=1), max_value=datetime.timedelta(days=4))
+
+
 class TestDurationField(FieldValues):
     """
     Valid and invalid values for `DurationField`.
@@ -1495,7 +1647,7 @@ class TestChoiceField(FieldValues):
             ]
         )
         field.choices = [1]
-        assert field.run_validation(1) is 1
+        assert field.run_validation(1) == 1
         with pytest.raises(serializers.ValidationError) as exc_info:
             field.run_validation(2)
         assert exc_info.value.detail == ['"2" is not a valid choice.']
@@ -1767,7 +1919,7 @@ class TestListField(FieldValues):
     ]
     invalid_inputs = [
         ('not a list', ['Expected a list of items but got type "str".']),
-        ([1, 2, 'error'], ['A valid integer is required.']),
+        ([1, 2, 'error', 'error'], {2: ['A valid integer is required.'], 3: ['A valid integer is required.']}),
         ({'one': 'two'}, ['Expected a list of items but got type "dict".'])
     ]
     outputs = [
@@ -1794,6 +1946,25 @@ class TestListField(FieldValues):
         assert exc_info.value.detail == ['Expected a list of items but got type "dict".']
 
 
+class TestNestedListField(FieldValues):
+    """
+    Values for nested `ListField` with IntegerField as child.
+    """
+    valid_inputs = [
+        ([[1, 2], [3]], [[1, 2], [3]]),
+        ([[]], [[]])
+    ]
+    invalid_inputs = [
+        (['not a list'], {0: ['Expected a list of items but got type "str".']}),
+        ([[1, 2, 'error'], ['error']], {0: {2: ['A valid integer is required.']}, 1: {0: ['A valid integer is required.']}}),
+        ([{'one': 'two'}], {0: ['Expected a list of items but got type "dict".']})
+    ]
+    outputs = [
+        ([[1, 2], [3]], [[1, 2], [3]]),
+    ]
+    field = serializers.ListField(child=serializers.ListField(child=serializers.IntegerField()))
+
+
 class TestEmptyListField(FieldValues):
     """
     Values for `ListField` with allow_empty=False flag.
@@ -1834,13 +2005,14 @@ class TestUnvalidatedListField(FieldValues):
 
 class TestDictField(FieldValues):
     """
-    Values for `ListField` with CharField as child.
+    Values for `DictField` with CharField as child.
     """
     valid_inputs = [
         ({'a': 1, 'b': '2', 3: 3}, {'a': '1', 'b': '2', '3': '3'}),
+        ({}, {}),
     ]
     invalid_inputs = [
-        ({'a': 1, 'b': None}, ['This field may not be null.']),
+        ({'a': 1, 'b': None, 'c': None}, {'b': ['This field may not be null.'], 'c': ['This field may not be null.']}),
         ('not a dict', ['Expected a dictionary of items but got type "str".']),
     ]
     outputs = [
@@ -1865,10 +2037,37 @@ class TestDictField(FieldValues):
         output = field.run_validation(None)
         assert output is None
 
+    def test_allow_empty_disallowed(self):
+        """
+        If allow_empty is False then an empty dict is not a valid input.
+        """
+        field = serializers.DictField(allow_empty=False)
+        with pytest.raises(serializers.ValidationError) as exc_info:
+            field.run_validation({})
+
+        assert exc_info.value.detail == ['This dictionary may not be empty.']
+
+
+class TestNestedDictField(FieldValues):
+    """
+    Values for nested `DictField` with CharField as child.
+    """
+    valid_inputs = [
+        ({0: {'a': 1, 'b': '2'}, 1: {3: 3}}, {'0': {'a': '1', 'b': '2'}, '1': {'3': '3'}}),
+    ]
+    invalid_inputs = [
+        ({0: {'a': 1, 'b': None}, 1: {'c': None}}, {'0': {'b': ['This field may not be null.']}, '1': {'c': ['This field may not be null.']}}),
+        ({0: 'not a dict'}, {'0': ['Expected a dictionary of items but got type "str".']}),
+    ]
+    outputs = [
+        ({0: {'a': 1, 'b': '2'}, 1: {3: 3}}, {'0': {'a': '1', 'b': '2'}, '1': {'3': '3'}}),
+    ]
+    field = serializers.DictField(child=serializers.DictField(child=serializers.CharField()))
+
 
 class TestDictFieldWithNullChild(FieldValues):
     """
-    Values for `ListField` with allow_null CharField as child.
+    Values for `DictField` with allow_null CharField as child.
     """
     valid_inputs = [
         ({'a': None, 'b': '2', 3: 3}, {'a': None, 'b': '2', '3': '3'}),
@@ -1883,7 +2082,7 @@ class TestDictFieldWithNullChild(FieldValues):
 
 class TestUnvalidatedDictField(FieldValues):
     """
-    Values for `ListField` with no `child` argument.
+    Values for `DictField` with no `child` argument.
     """
     valid_inputs = [
         ({'a': 1, 'b': [4, 5, 6], 1: 123}, {'a': 1, 'b': [4, 5, 6], '1': 123}),
@@ -1897,6 +2096,49 @@ class TestUnvalidatedDictField(FieldValues):
     field = serializers.DictField()
 
 
+class TestHStoreField(FieldValues):
+    """
+    Values for `ListField` with CharField as child.
+    """
+    valid_inputs = [
+        ({'a': 1, 'b': '2', 3: 3}, {'a': '1', 'b': '2', '3': '3'}),
+        ({'a': 1, 'b': None}, {'a': '1', 'b': None}),
+    ]
+    invalid_inputs = [
+        ('not a dict', ['Expected a dictionary of items but got type "str".']),
+    ]
+    outputs = [
+        ({'a': 1, 'b': '2', 3: 3}, {'a': '1', 'b': '2', '3': '3'}),
+    ]
+    field = serializers.HStoreField()
+
+    def test_child_is_charfield(self):
+        with pytest.raises(AssertionError) as exc_info:
+            serializers.HStoreField(child=serializers.IntegerField())
+
+        assert str(exc_info.value) == (
+            "The `child` argument must be an instance of `CharField`, "
+            "as the hstore extension stores values as strings."
+        )
+
+    def test_no_source_on_child(self):
+        with pytest.raises(AssertionError) as exc_info:
+            serializers.HStoreField(child=serializers.CharField(source='other'))
+
+        assert str(exc_info.value) == (
+            "The `source` argument is not meaningful when applied to a `child=` field. "
+            "Remove `source=` from the field declaration."
+        )
+
+    def test_allow_null(self):
+        """
+        If `allow_null=True` then `None` is a valid input.
+        """
+        field = serializers.HStoreField(allow_null=True)
+        output = field.run_validation(None)
+        assert output is None
+
+
 class TestJSONField(FieldValues):
     """
     Values for `JSONField`.
@@ -1963,8 +2205,8 @@ class TestBinaryJSONField(FieldValues):
     field = serializers.JSONField(binary=True)
 
 
-# Tests for FieldField.
-# ---------------------
+# Tests for FileField.
+# --------------------
 
 class MockRequest:
     def build_absolute_uri(self, value):
@@ -1997,14 +2239,132 @@ class TestSerializerMethodField:
         }
 
     def test_redundant_method_name(self):
+        # Prior to v3.10, redundant method names were not allowed.
+        # This restriction has since been removed.
         class ExampleSerializer(serializers.Serializer):
             example_field = serializers.SerializerMethodField('get_example_field')
 
-        with pytest.raises(AssertionError) as exc_info:
-            ExampleSerializer().fields
-        assert str(exc_info.value) == (
-            "It is redundant to specify `get_example_field` on "
-            "SerializerMethodField 'example_field' in serializer "
-            "'ExampleSerializer', because it is the same as the default "
-            "method name. Remove the `method_name` argument."
-        )
+        field = ExampleSerializer().fields['example_field']
+        assert field.method_name == 'get_example_field'
+
+
+# Tests for ModelField.
+# ---------------------
+
+class TestModelField:
+    def test_max_length_init(self):
+        field = serializers.ModelField(None)
+        assert len(field.validators) == 0
+
+        field = serializers.ModelField(None, max_length=10)
+        assert len(field.validators) == 1
+
+
+# Tests for validation errors
+# ---------------------------
+
+class TestValidationErrorCode:
+    @pytest.mark.parametrize('use_list', (False, True))
+    def test_validationerror_code_with_msg(self, use_list):
+
+        class ExampleSerializer(serializers.Serializer):
+            password = serializers.CharField()
+
+            def validate_password(self, obj):
+                err = DjangoValidationError(
+                    'exc_msg %s', code='exc_code', params=('exc_param',),
+                )
+                if use_list:
+                    err = DjangoValidationError([err])
+                raise err
+
+        serializer = ExampleSerializer(data={'password': 123})
+        serializer.is_valid()
+        assert serializer.errors == {'password': ['exc_msg exc_param']}
+        assert serializer.errors['password'][0].code == 'exc_code'
+
+    @pytest.mark.parametrize('use_list', (False, True))
+    def test_validationerror_code_with_msg_including_percent(self, use_list):
+
+        class ExampleSerializer(serializers.Serializer):
+            password = serializers.CharField()
+
+            def validate_password(self, obj):
+                err = DjangoValidationError('exc_msg with %', code='exc_code')
+                if use_list:
+                    err = DjangoValidationError([err])
+                raise err
+
+        serializer = ExampleSerializer(data={'password': 123})
+        serializer.is_valid()
+        assert serializer.errors == {'password': ['exc_msg with %']}
+        assert serializer.errors['password'][0].code == 'exc_code'
+
+    @pytest.mark.parametrize('code', (None, 'exc_code',))
+    @pytest.mark.parametrize('use_list', (False, True))
+    def test_validationerror_code_with_dict(self, use_list, code):
+
+        class ExampleSerializer(serializers.Serializer):
+
+            def validate(self, obj):
+                if code is None:
+                    err = DjangoValidationError({
+                        'email': 'email error',
+                    })
+                else:
+                    err = DjangoValidationError({
+                        'email': DjangoValidationError(
+                            'email error',
+                            code=code),
+                    })
+                if use_list:
+                    err = DjangoValidationError([err])
+                raise err
+
+        serializer = ExampleSerializer(data={})
+        serializer.is_valid()
+        expected_code = code if code else 'invalid'
+        if use_list:
+            assert serializer.errors == {
+                'non_field_errors': [
+                    exceptions.ErrorDetail(
+                        string='email error',
+                        code=expected_code
+                    )
+                ]
+            }
+        else:
+            assert serializer.errors == {
+                'email': ['email error'],
+            }
+            assert serializer.errors['email'][0].code == expected_code
+
+    @pytest.mark.parametrize('code', (None, 'exc_code',))
+    def test_validationerror_code_with_dict_list_same_code(self, code):
+
+        class ExampleSerializer(serializers.Serializer):
+
+            def validate(self, obj):
+                if code is None:
+                    raise DjangoValidationError({'email': ['email error 1',
+                                                           'email error 2']})
+                raise DjangoValidationError({'email': [
+                    DjangoValidationError('email error 1', code=code),
+                    DjangoValidationError('email error 2', code=code),
+                ]})
+
+        serializer = ExampleSerializer(data={})
+        serializer.is_valid()
+        expected_code = code if code else 'invalid'
+        assert serializer.errors == {
+            'email': [
+                exceptions.ErrorDetail(
+                    string='email error 1',
+                    code=expected_code
+                ),
+                exceptions.ErrorDetail(
+                    string='email error 2',
+                    code=expected_code
+                ),
+            ]
+        }
diff --git a/tests/test_filters.py b/tests/test_filters.py
index f9e068fec..6d7969a92 100644
--- a/tests/test_filters.py
+++ b/tests/test_filters.py
@@ -1,15 +1,15 @@
-from __future__ import unicode_literals
-
 import datetime
+from importlib import reload as reload_module
 
 import pytest
 from django.core.exceptions import ImproperlyConfigured
 from django.db import models
+from django.db.models.functions import Concat, Upper
 from django.test import TestCase
 from django.test.utils import override_settings
-from django.utils.six.moves import reload_module
 
 from rest_framework import filters, generics, serializers
+from rest_framework.compat import coreschema
 from rest_framework.test import APIRequestFactory
 
 factory = APIRequestFactory()
@@ -28,6 +28,7 @@ class BaseFilterTests(TestCase):
         with pytest.raises(NotImplementedError):
             self.filter_backend.filter_queryset(None, None, None)
 
+    @pytest.mark.skipif(not coreschema, reason='coreschema is not installed')
     def test_get_schema_fields_checks_for_coreapi(self):
         filters.coreapi = None
         with pytest.raises(AssertionError):
@@ -154,6 +155,40 @@ class SearchFilterTests(TestCase):
 
         reload_module(filters)
 
+    def test_search_with_filter_subclass(self):
+        class CustomSearchFilter(filters.SearchFilter):
+            # Filter that dynamically changes search fields
+            def get_search_fields(self, view, request):
+                if request.query_params.get('title_only'):
+                    return ('$title',)
+                return super().get_search_fields(view, request)
+
+        class SearchListView(generics.ListAPIView):
+            queryset = SearchFilterModel.objects.all()
+            serializer_class = SearchFilterSerializer
+            filter_backends = (CustomSearchFilter,)
+            search_fields = ('$title', '$text')
+
+        view = SearchListView.as_view()
+        request = factory.get('/', {'search': r'^\w{3}$'})
+        response = view(request)
+        assert len(response.data) == 10
+
+        request = factory.get('/', {'search': r'^\w{3}$', 'title_only': 'true'})
+        response = view(request)
+        assert response.data == [
+            {'id': 3, 'title': 'zzz', 'text': 'cde'}
+        ]
+
+    def test_search_field_with_null_characters(self):
+        view = generics.GenericAPIView()
+        request = factory.get('/?search=\0as%00d\x00f')
+        request = view.initialize_request(request)
+
+        terms = filters.SearchFilter().get_search_terms(request)
+
+        assert terms == ['asdf']
+
 
 class AttributeModel(models.Model):
     label = models.CharField(max_length=32)
@@ -219,7 +254,7 @@ class SearchFilterM2MTests(TestCase):
         # ...
         for idx in range(3):
             label = 'w' * (idx + 1)
-            AttributeModel(label=label)
+            AttributeModel.objects.create(label=label)
 
         for idx in range(10):
             title = 'z' * (idx + 1)
@@ -302,6 +337,38 @@ class SearchFilterToManyTests(TestCase):
         assert len(response.data) == 1
 
 
+class SearchFilterAnnotatedSerializer(serializers.ModelSerializer):
+    title_text = serializers.CharField()
+
+    class Meta:
+        model = SearchFilterModel
+        fields = ('title', 'text', 'title_text')
+
+
+class SearchFilterAnnotatedFieldTests(TestCase):
+    @classmethod
+    def setUpTestData(cls):
+        SearchFilterModel.objects.create(title='abc', text='def')
+        SearchFilterModel.objects.create(title='ghi', text='jkl')
+
+    def test_search_in_annotated_field(self):
+        class SearchListView(generics.ListAPIView):
+            queryset = SearchFilterModel.objects.annotate(
+                title_text=Upper(
+                    Concat(models.F('title'), models.F('text'))
+                )
+            ).all()
+            serializer_class = SearchFilterAnnotatedSerializer
+            filter_backends = (filters.SearchFilter,)
+            search_fields = ('title_text',)
+
+        view = SearchListView.as_view()
+        request = factory.get('/', {'search': 'ABCDEF'})
+        response = view(request)
+        assert len(response.data) == 1
+        assert response.data[0]['title_text'] == 'ABCDEF'
+
+
 class OrderingFilterModel(models.Model):
     title = models.CharField(max_length=20, verbose_name='verbose title')
     text = models.CharField(max_length=100)
diff --git a/tests/test_generics.py b/tests/test_generics.py
index c0ff1c5c4..0b91e3465 100644
--- a/tests/test_generics.py
+++ b/tests/test_generics.py
@@ -1,11 +1,8 @@
-from __future__ import unicode_literals
-
 import pytest
 from django.db import models
 from django.http import Http404
 from django.shortcuts import get_object_or_404
 from django.test import TestCase
-from django.utils import six
 
 from rest_framework import generics, renderers, serializers, status
 from rest_framework.response import Response
@@ -167,7 +164,7 @@ class TestRootView(TestCase):
         request = factory.post('/', data, HTTP_ACCEPT='text/html')
         response = self.view(request).render()
         expected_error = '<span class="help-block">Ensure this field has no more than 100 characters.</span>'
-        assert expected_error in response.rendered_content.decode('utf-8')
+        assert expected_error in response.rendered_content.decode()
 
 
 EXPECTED_QUERIES_FOR_PUT = 2
@@ -245,7 +242,7 @@ class TestInstanceView(TestCase):
         with self.assertNumQueries(2):
             response = self.view(request, pk=1).render()
         assert response.status_code == status.HTTP_204_NO_CONTENT
-        assert response.content == six.b('')
+        assert response.content == b''
         ids = [obj.id for obj in self.objects.all()]
         assert ids == [2, 3]
 
@@ -291,7 +288,7 @@ class TestInstanceView(TestCase):
         """
         data = {'text': 'foo'}
         filtered_out_pk = BasicModel.objects.filter(text='filtered out')[0].pk
-        request = factory.put('/{0}'.format(filtered_out_pk), data, format='json')
+        request = factory.put('/{}'.format(filtered_out_pk), data, format='json')
         response = self.view(request, pk=filtered_out_pk).render()
         assert response.status_code == status.HTTP_404_NOT_FOUND
 
@@ -314,7 +311,7 @@ class TestInstanceView(TestCase):
         request = factory.put('/', data, HTTP_ACCEPT='text/html')
         response = self.view(request, pk=1).render()
         expected_error = '<span class="help-block">Ensure this field has no more than 100 characters.</span>'
-        assert expected_error in response.rendered_content.decode('utf-8')
+        assert expected_error in response.rendered_content.decode()
 
 
 class TestFKInstanceView(TestCase):
@@ -446,12 +443,12 @@ class TestM2MBrowsableAPI(TestCase):
         assert response.status_code == status.HTTP_200_OK
 
 
-class InclusiveFilterBackend(object):
+class InclusiveFilterBackend:
     def filter_queryset(self, request, queryset, view):
         return queryset.filter(text='foo')
 
 
-class ExclusiveFilterBackend(object):
+class ExclusiveFilterBackend:
     def filter_queryset(self, request, queryset, view):
         return queryset.filter(text='other')
 
@@ -541,7 +538,7 @@ class TestFilterBackendAppliedToViews(TestCase):
         view = DynamicSerializerView.as_view()
         request = factory.get('/')
         response = view(request).render()
-        content = response.content.decode('utf8')
+        content = response.content.decode()
         assert 'field_b' in content
         assert 'field_a' not in content
 
@@ -653,7 +650,7 @@ class ApiViewsTests(TestCase):
 
 class GetObjectOr404Tests(TestCase):
     def setUp(self):
-        super(GetObjectOr404Tests, self).setUp()
+        super().setUp()
         self.uuid_object = UUIDForeignKeyTarget.objects.create(name='bar')
 
     def test_get_object_or_404_with_valid_uuid(self):
diff --git a/tests/test_htmlrenderer.py b/tests/test_htmlrenderer.py
index decd25a3f..e31a9ced5 100644
--- a/tests/test_htmlrenderer.py
+++ b/tests/test_htmlrenderer.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import django.template.loader
 import pytest
 from django.conf.urls import url
@@ -7,7 +5,6 @@ from django.core.exceptions import ImproperlyConfigured, PermissionDenied
 from django.http import Http404
 from django.template import TemplateDoesNotExist, engines
 from django.test import TestCase, override_settings
-from django.utils import six
 
 from rest_framework import status
 from rest_framework.decorators import api_view, renderer_classes
@@ -47,7 +44,7 @@ urlpatterns = [
 @override_settings(ROOT_URLCONF='tests.test_htmlrenderer')
 class TemplateHTMLRendererTests(TestCase):
     def setUp(self):
-        class MockResponse(object):
+        class MockResponse:
             template_name = None
         self.mock_response = MockResponse()
         self._monkey_patch_get_template()
@@ -85,13 +82,13 @@ class TemplateHTMLRendererTests(TestCase):
     def test_not_found_html_view(self):
         response = self.client.get('/not_found')
         self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
-        self.assertEqual(response.content, six.b("404 Not Found"))
+        self.assertEqual(response.content, b"404 Not Found")
         self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
     def test_permission_denied_html_view(self):
         response = self.client.get('/permission_denied')
         self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
-        self.assertEqual(response.content, six.b("403 Forbidden"))
+        self.assertEqual(response.content, b"403 Forbidden")
         self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
     # 2 tests below are based on order of if statements in corresponding method
@@ -105,14 +102,14 @@ class TemplateHTMLRendererTests(TestCase):
     def test_get_template_names_returns_view_template_name(self):
         renderer = TemplateHTMLRenderer()
 
-        class MockResponse(object):
+        class MockResponse:
             template_name = None
 
-        class MockView(object):
+        class MockView:
             def get_template_names(self):
                 return ['template from get_template_names method']
 
-        class MockView2(object):
+        class MockView2:
             template_name = 'template from template_name attribute'
 
         template_name = renderer.get_template_names(self.mock_response,
@@ -156,12 +153,11 @@ class TemplateHTMLRendererExceptionTests(TestCase):
         response = self.client.get('/not_found')
         self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
         self.assertTrue(response.content in (
-            six.b("404: Not found"), six.b("404 Not Found")))
+            b"404: Not found", b"404 Not Found"))
         self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
     def test_permission_denied_html_view_with_template(self):
         response = self.client.get('/permission_denied')
         self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
-        self.assertTrue(response.content in (
-            six.b("403: Permission denied"), six.b("403 Forbidden")))
+        self.assertTrue(response.content in (b"403: Permission denied", b"403 Forbidden"))
         self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
diff --git a/tests/test_metadata.py b/tests/test_metadata.py
index b9db36e81..e1a1fd352 100644
--- a/tests/test_metadata.py
+++ b/tests/test_metadata.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import pytest
 from django.core.validators import MaxValueValidator, MinValueValidator
 from django.db import models
@@ -84,6 +82,7 @@ class TestMetadata:
                 )
             )
             nested_field = NestedField()
+            uuid_field = serializers.UUIDField(label="UUID field")
 
         class ExampleView(views.APIView):
             """Example view."""
@@ -172,7 +171,13 @@ class TestMetadata:
                                 'label': 'B'
                             }
                         }
-                    }
+                    },
+                    'uuid_field': {
+                        "type": "string",
+                        "required": True,
+                        "read_only": False,
+                        "label": "UUID field",
+                    },
                 }
             }
         }
@@ -207,7 +212,7 @@ class TestMetadata:
         view = ExampleView.as_view()
         response = view(request=request)
         assert response.status_code == status.HTTP_200_OK
-        assert list(response.data['actions'].keys()) == ['PUT']
+        assert list(response.data['actions']) == ['PUT']
 
     def test_object_permissions(self):
         """
@@ -268,6 +273,27 @@ class TestMetadata:
         view = ExampleView.as_view(versioning_class=scheme)
         view(request=request)
 
+    def test_dont_show_hidden_fields(self):
+        """
+        HiddenField shouldn't show up in SimpleMetadata at all.
+        """
+        class ExampleSerializer(serializers.Serializer):
+            integer_field = serializers.IntegerField(max_value=10)
+            hidden_field = serializers.HiddenField(default=1)
+
+        class ExampleView(views.APIView):
+            """Example view."""
+            def post(self, request):
+                pass
+
+            def get_serializer(self):
+                return ExampleSerializer()
+
+        view = ExampleView.as_view()
+        response = view(request=request)
+        assert response.status_code == status.HTTP_200_OK
+        assert set(response.data['actions']['POST'].keys()) == {'integer_field'}
+
     def test_list_serializer_metadata_returns_info_about_fields_of_child_serializer(self):
         class ExampleSerializer(serializers.Serializer):
             integer_field = serializers.IntegerField(max_value=10)
diff --git a/tests/test_middleware.py b/tests/test_middleware.py
index 9df7d8e3e..28a5e558a 100644
--- a/tests/test_middleware.py
+++ b/tests/test_middleware.py
@@ -22,7 +22,7 @@ urlpatterns = [
 ]
 
 
-class RequestUserMiddleware(object):
+class RequestUserMiddleware:
     def __init__(self, get_response):
         self.get_response = get_response
 
@@ -34,7 +34,7 @@ class RequestUserMiddleware(object):
         return response
 
 
-class RequestPOSTMiddleware(object):
+class RequestPOSTMiddleware:
     def __init__(self, get_response):
         self.get_response = get_response
 
diff --git a/tests/test_model_serializer.py b/tests/test_model_serializer.py
index c2c7fb61e..21ec82347 100644
--- a/tests/test_model_serializer.py
+++ b/tests/test_model_serializer.py
@@ -5,23 +5,27 @@ shortcuts for automatically creating serializers based on a given model class.
 These tests deal with ensuring that we correctly map the model fields onto
 an appropriate set of serializer fields for each case.
 """
-from __future__ import unicode_literals
-
+import datetime
 import decimal
+import sys
 from collections import OrderedDict
 
+import django
 import pytest
 from django.core.exceptions import ImproperlyConfigured
+from django.core.serializers.json import DjangoJSONEncoder
 from django.core.validators import (
     MaxValueValidator, MinLengthValidator, MinValueValidator
 )
 from django.db import models
-from django.db.models import DurationField as ModelDurationField
+from django.db.models.signals import m2m_changed
+from django.dispatch import receiver
 from django.test import TestCase
-from django.utils import six
 
 from rest_framework import serializers
-from rest_framework.compat import unicode_repr
+from rest_framework.compat import postgres_fields
+
+from .models import NestedForeignKeySource
 
 
 def dedent(blocktext):
@@ -179,7 +183,7 @@ class TestRegularFieldMappings(TestCase):
                 null_boolean_field = NullBooleanField(required=False)
                 positive_integer_field = IntegerField()
                 positive_small_integer_field = IntegerField()
-                slug_field = SlugField(max_length=100)
+                slug_field = SlugField(allow_unicode=False, max_length=100)
                 small_integer_field = IntegerField()
                 text_field = CharField(max_length=100, style={'base_template': 'textarea.html'})
                 file_field = FileField(max_length=100)
@@ -189,7 +193,7 @@ class TestRegularFieldMappings(TestCase):
                 file_path_field = FilePathField(path='/tmp/')
         """)
 
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
     def test_field_options(self):
         class TestSerializer(serializers.ModelSerializer):
@@ -208,14 +212,26 @@ class TestRegularFieldMappings(TestCase):
                 descriptive_field = IntegerField(help_text='Some help text', label='A label')
                 choices_field = ChoiceField(choices=(('red', 'Red'), ('blue', 'Blue'), ('green', 'Green')))
         """)
-        if six.PY2:
-            # This particular case is too awkward to resolve fully across
-            # both py2 and py3.
-            expected = expected.replace(
-                "('red', 'Red'), ('blue', 'Blue'), ('green', 'Green')",
-                "(u'red', u'Red'), (u'blue', u'Blue'), (u'green', u'Green')"
-            )
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
+
+    # merge this into test_regular_fields / RegularFieldsModel when
+    # Django 2.1 is the minimum supported version
+    @pytest.mark.skipif(django.VERSION < (2, 1), reason='Django version < 2.1')
+    def test_nullable_boolean_field(self):
+        class NullableBooleanModel(models.Model):
+            field = models.BooleanField(null=True, default=False)
+
+        class NullableBooleanSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = NullableBooleanModel
+                fields = ['field']
+
+        expected = dedent("""
+            NullableBooleanSerializer():
+                field = BooleanField(allow_null=True, required=False)
+        """)
+
+        self.assertEqual(repr(NullableBooleanSerializer()), expected)
 
     def test_method_field(self):
         """
@@ -287,7 +303,7 @@ class TestRegularFieldMappings(TestCase):
     def test_invalid_field(self):
         """
         Field names that do not map to a model field or relationship should
-        raise a configuration errror.
+        raise a configuration error.
         """
         class TestSerializer(serializers.ModelSerializer):
             class Meta:
@@ -347,7 +363,7 @@ class TestDurationFieldMapping(TestCase):
             """
             A model that defines DurationField.
             """
-            duration_field = ModelDurationField()
+            duration_field = models.DurationField()
 
         class TestSerializer(serializers.ModelSerializer):
             class Meta:
@@ -359,7 +375,32 @@ class TestDurationFieldMapping(TestCase):
                 id = IntegerField(label='ID', read_only=True)
                 duration_field = DurationField()
         """)
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
+
+    def test_duration_field_with_validators(self):
+        class ValidatedDurationFieldModel(models.Model):
+            """
+            A model that defines DurationField with validators.
+            """
+            duration_field = models.DurationField(
+                validators=[MinValueValidator(datetime.timedelta(days=1)), MaxValueValidator(datetime.timedelta(days=3))]
+            )
+
+        class TestSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = ValidatedDurationFieldModel
+                fields = '__all__'
+
+        expected = dedent("""
+            TestSerializer():
+                id = IntegerField(label='ID', read_only=True)
+                duration_field = DurationField(max_value=datetime.timedelta(3), min_value=datetime.timedelta(1))
+        """) if sys.version_info < (3, 7) else dedent("""
+            TestSerializer():
+                id = IntegerField(label='ID', read_only=True)
+                duration_field = DurationField(max_value=datetime.timedelta(days=3), min_value=datetime.timedelta(days=1))
+        """)
+        self.assertEqual(repr(TestSerializer()), expected)
 
 
 class TestGenericIPAddressFieldValidation(TestCase):
@@ -376,7 +417,59 @@ class TestGenericIPAddressFieldValidation(TestCase):
         self.assertFalse(s.is_valid())
         self.assertEqual(1, len(s.errors['address']),
                          'Unexpected number of validation errors: '
-                         '{0}'.format(s.errors))
+                         '{}'.format(s.errors))
+
+
+@pytest.mark.skipif('not postgres_fields')
+class TestPosgresFieldsMapping(TestCase):
+    def test_hstore_field(self):
+        class HStoreFieldModel(models.Model):
+            hstore_field = postgres_fields.HStoreField()
+
+        class TestSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = HStoreFieldModel
+                fields = ['hstore_field']
+
+        expected = dedent("""
+            TestSerializer():
+                hstore_field = HStoreField()
+        """)
+        self.assertEqual(repr(TestSerializer()), expected)
+
+    def test_array_field(self):
+        class ArrayFieldModel(models.Model):
+            array_field = postgres_fields.ArrayField(base_field=models.CharField())
+            array_field_with_blank = postgres_fields.ArrayField(blank=True, base_field=models.CharField())
+
+        class TestSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = ArrayFieldModel
+                fields = ['array_field', 'array_field_with_blank']
+
+        expected = dedent("""
+            TestSerializer():
+                array_field = ListField(allow_empty=False, child=CharField(label='Array field', validators=[<django.core.validators.MaxLengthValidator object>]))
+                array_field_with_blank = ListField(child=CharField(label='Array field with blank', validators=[<django.core.validators.MaxLengthValidator object>]), required=False)
+        """)
+        self.assertEqual(repr(TestSerializer()), expected)
+
+    def test_json_field(self):
+        class JSONFieldModel(models.Model):
+            json_field = postgres_fields.JSONField()
+            json_field_with_encoder = postgres_fields.JSONField(encoder=DjangoJSONEncoder)
+
+        class TestSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = JSONFieldModel
+                fields = ['json_field', 'json_field_with_encoder']
+
+        expected = dedent("""
+            TestSerializer():
+                json_field = JSONField(encoder=None, style={'base_template': 'textarea.html'})
+                json_field_with_encoder = JSONField(encoder=<class 'django.core.serializers.json.DjangoJSONEncoder'>, style={'base_template': 'textarea.html'})
+        """)
+        self.assertEqual(repr(TestSerializer()), expected)
 
 
 # Tests for relational field mappings.
@@ -434,7 +527,7 @@ class TestRelationalFieldMappings(TestCase):
                 many_to_many = PrimaryKeyRelatedField(allow_empty=False, many=True, queryset=ManyToManyTargetModel.objects.all())
                 through = PrimaryKeyRelatedField(many=True, read_only=True)
         """)
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
     def test_nested_relations(self):
         class TestSerializer(serializers.ModelSerializer):
@@ -459,7 +552,7 @@ class TestRelationalFieldMappings(TestCase):
                     id = IntegerField(label='ID', read_only=True)
                     name = CharField(max_length=100)
         """)
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
     def test_hyperlinked_relations(self):
         class TestSerializer(serializers.HyperlinkedModelSerializer):
@@ -475,7 +568,7 @@ class TestRelationalFieldMappings(TestCase):
                 many_to_many = HyperlinkedRelatedField(allow_empty=False, many=True, queryset=ManyToManyTargetModel.objects.all(), view_name='manytomanytargetmodel-detail')
                 through = HyperlinkedRelatedField(many=True, read_only=True, view_name='throughtargetmodel-detail')
         """)
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
     def test_nested_hyperlinked_relations(self):
         class TestSerializer(serializers.HyperlinkedModelSerializer):
@@ -500,7 +593,7 @@ class TestRelationalFieldMappings(TestCase):
                     url = HyperlinkedIdentityField(view_name='throughtargetmodel-detail')
                     name = CharField(max_length=100)
         """)
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
     def test_nested_hyperlinked_relations_starred_source(self):
         class TestSerializer(serializers.HyperlinkedModelSerializer):
@@ -531,7 +624,7 @@ class TestRelationalFieldMappings(TestCase):
                     name = CharField(max_length=100)
         """)
         self.maxDiff = None
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
     def test_nested_unique_together_relations(self):
         class TestSerializer(serializers.HyperlinkedModelSerializer):
@@ -550,14 +643,7 @@ class TestRelationalFieldMappings(TestCase):
                     url = HyperlinkedIdentityField(view_name='onetoonetargetmodel-detail')
                     name = CharField(max_length=100)
         """)
-        if six.PY2:
-            # This case is also too awkward to resolve fully across both py2
-            # and py3.  (See above)
-            expected = expected.replace(
-                "('foreign_key', 'one_to_one')",
-                "(u'foreign_key', u'one_to_one')"
-            )
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
     def test_pk_reverse_foreign_key(self):
         class TestSerializer(serializers.ModelSerializer):
@@ -571,7 +657,7 @@ class TestRelationalFieldMappings(TestCase):
                 name = CharField(max_length=100)
                 reverse_foreign_key = PrimaryKeyRelatedField(many=True, queryset=RelationalModel.objects.all())
         """)
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
     def test_pk_reverse_one_to_one(self):
         class TestSerializer(serializers.ModelSerializer):
@@ -585,7 +671,7 @@ class TestRelationalFieldMappings(TestCase):
                 name = CharField(max_length=100)
                 reverse_one_to_one = PrimaryKeyRelatedField(queryset=RelationalModel.objects.all())
         """)
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
     def test_pk_reverse_many_to_many(self):
         class TestSerializer(serializers.ModelSerializer):
@@ -599,7 +685,7 @@ class TestRelationalFieldMappings(TestCase):
                 name = CharField(max_length=100)
                 reverse_many_to_many = PrimaryKeyRelatedField(many=True, queryset=RelationalModel.objects.all())
         """)
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
     def test_pk_reverse_through(self):
         class TestSerializer(serializers.ModelSerializer):
@@ -613,7 +699,7 @@ class TestRelationalFieldMappings(TestCase):
                 name = CharField(max_length=100)
                 reverse_through = PrimaryKeyRelatedField(many=True, read_only=True)
         """)
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
 
 
 class DisplayValueTargetModel(models.Model):
@@ -982,9 +1068,9 @@ class TestMetaInheritance(TestCase):
                 char_field = CharField(max_length=100)
                 non_model_field = CharField()
         """)
-        self.assertEqual(unicode_repr(ChildSerializer()), child_expected)
-        self.assertEqual(unicode_repr(TestSerializer()), test_expected)
-        self.assertEqual(unicode_repr(ChildSerializer()), child_expected)
+        self.assertEqual(repr(ChildSerializer()), child_expected)
+        self.assertEqual(repr(TestSerializer()), test_expected)
+        self.assertEqual(repr(ChildSerializer()), child_expected)
 
 
 class OneToOneTargetTestModel(models.Model):
@@ -1053,14 +1139,14 @@ class Issue3674Test(TestCase):
                 title = CharField(max_length=64)
                 children = PrimaryKeyRelatedField(many=True, queryset=TestChildModel.objects.all())
         """)
-        self.assertEqual(unicode_repr(TestParentModelSerializer()), parent_expected)
+        self.assertEqual(repr(TestParentModelSerializer()), parent_expected)
 
         child_expected = dedent("""
             TestChildModelSerializer():
                 value = CharField(max_length=64, validators=[<UniqueValidator(queryset=TestChildModel.objects.all())>])
                 parent = PrimaryKeyRelatedField(queryset=TestParentModel.objects.all())
         """)
-        self.assertEqual(unicode_repr(TestChildModelSerializer()), child_expected)
+        self.assertEqual(repr(TestChildModelSerializer()), child_expected)
 
     def test_nonID_PK_foreignkey_model_serializer(self):
 
@@ -1116,6 +1202,25 @@ class Test5004UniqueChoiceField(TestCase):
 
 
 class TestFieldSource(TestCase):
+    def test_traverse_nullable_fk(self):
+        """
+        A dotted source with nullable elements uses default when any item in the chain is None. #5849.
+
+        Similar to model example from test_serializer.py `test_default_for_multiple_dotted_source` method,
+        but using RelatedField, rather than CharField.
+        """
+        class TestSerializer(serializers.ModelSerializer):
+            target = serializers.PrimaryKeyRelatedField(
+                source='target.target', read_only=True, allow_null=True, default=None
+            )
+
+            class Meta:
+                model = NestedForeignKeySource
+                fields = ('target', )
+
+        model = NestedForeignKeySource.objects.create()
+        assert TestSerializer(model).data['target'] is None
+
     def test_named_field_source(self):
         class TestSerializer(serializers.ModelSerializer):
 
@@ -1133,4 +1238,68 @@ class TestFieldSource(TestCase):
                 number_field = IntegerField(source='integer_field')
         """)
         self.maxDiff = None
-        self.assertEqual(unicode_repr(TestSerializer()), expected)
+        self.assertEqual(repr(TestSerializer()), expected)
+
+
+class Issue6110TestModel(models.Model):
+    """Model without .objects manager."""
+
+    name = models.CharField(max_length=64)
+    all_objects = models.Manager()
+
+
+class Issue6110ModelSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Issue6110TestModel
+        fields = ('name',)
+
+
+class Issue6110Test(TestCase):
+    def test_model_serializer_custom_manager(self):
+        instance = Issue6110ModelSerializer().create({'name': 'test_name'})
+        self.assertEqual(instance.name, 'test_name')
+
+    def test_model_serializer_custom_manager_error_message(self):
+        msginitial = ('Got a `TypeError` when calling `Issue6110TestModel.all_objects.create()`.')
+        with self.assertRaisesMessage(TypeError, msginitial):
+            Issue6110ModelSerializer().create({'wrong_param': 'wrong_param'})
+
+
+class Issue6751Model(models.Model):
+    many_to_many = models.ManyToManyField(ManyToManyTargetModel, related_name='+')
+    char_field = models.CharField(max_length=100)
+    char_field2 = models.CharField(max_length=100)
+
+
+@receiver(m2m_changed, sender=Issue6751Model.many_to_many.through)
+def process_issue6751model_m2m_changed(action, instance, **_):
+    if action == 'post_add':
+        instance.char_field = 'value changed by signal'
+        instance.save()
+
+
+class Issue6751Test(TestCase):
+    def test_model_serializer_save_m2m_after_instance(self):
+        class TestSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = Issue6751Model
+                fields = (
+                    'many_to_many',
+                    'char_field',
+                )
+
+        instance = Issue6751Model.objects.create(char_field='initial value')
+        m2m_target = ManyToManyTargetModel.objects.create(name='target')
+
+        serializer = TestSerializer(
+            instance=instance,
+            data={
+                'many_to_many': (m2m_target.id,),
+                'char_field': 'will be changed by signal',
+            }
+        )
+
+        serializer.is_valid()
+        serializer.save()
+
+        self.assertEqual(instance.char_field, 'value changed by signal')
diff --git a/tests/test_multitable_inheritance.py b/tests/test_multitable_inheritance.py
index c406fceda..1e8ab3448 100644
--- a/tests/test_multitable_inheritance.py
+++ b/tests/test_multitable_inheritance.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.db import models
 from django.test import TestCase
 
@@ -44,7 +42,7 @@ class InheritedModelSerializationTests(TestCase):
         """
         child = ChildModel(name1='parent name', name2='child name')
         serializer = DerivedModelSerializer(child)
-        assert set(serializer.data.keys()) == {'name1', 'name2', 'id'}
+        assert set(serializer.data) == {'name1', 'name2', 'id'}
 
     def test_onetoone_primary_key_model_fields_as_expected(self):
         """
@@ -54,7 +52,7 @@ class InheritedModelSerializationTests(TestCase):
         parent = ParentModel.objects.create(name1='parent name')
         associate = AssociatedModel.objects.create(name='hello', ref=parent)
         serializer = AssociatedModelSerializer(associate)
-        assert set(serializer.data.keys()) == {'name', 'ref'}
+        assert set(serializer.data) == {'name', 'ref'}
 
     def test_data_is_valid_without_parent_ptr(self):
         """
diff --git a/tests/test_negotiation.py b/tests/test_negotiation.py
index 7ce3f92a9..089a86c62 100644
--- a/tests/test_negotiation.py
+++ b/tests/test_negotiation.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import pytest
 from django.http import Http404
 from django.test import TestCase
@@ -80,7 +78,7 @@ class TestAcceptedMediaType(TestCase):
         assert str(mediatype) == 'test/*; foo=bar'
 
     def test_raise_error_if_no_suitable_renderers_found(self):
-        class MockRenderer(object):
+        class MockRenderer:
             format = 'xml'
         renderers = [MockRenderer()]
         with pytest.raises(Http404):
diff --git a/tests/test_one_to_one_with_inheritance.py b/tests/test_one_to_one_with_inheritance.py
index 4bc9cec0b..40793d7ca 100644
--- a/tests/test_one_to_one_with_inheritance.py
+++ b/tests/test_one_to_one_with_inheritance.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.db import models
 from django.test import TestCase
 
@@ -39,5 +37,5 @@ class InheritedModelSerializationTests(TestCase):
         """
         child = ChildModel(name1='parent name', name2='child name')
         serializer = DerivedModelSerializer(child)
-        self.assertEqual(set(serializer.data.keys()),
+        self.assertEqual(set(serializer.data),
                          {'name1', 'name2', 'id', 'childassociatedmodel'})
diff --git a/tests/test_pagination.py b/tests/test_pagination.py
index d9ad9e6f6..cd84c8151 100644
--- a/tests/test_pagination.py
+++ b/tests/test_pagination.py
@@ -1,6 +1,3 @@
-# coding: utf-8
-from __future__ import unicode_literals
-
 import pytest
 from django.core.paginator import Paginator as DjangoPaginator
 from django.db import models
@@ -207,7 +204,7 @@ class TestPageNumberPagination:
             ]
         }
         assert self.pagination.display_page_controls
-        assert isinstance(self.pagination.to_html(), type(''))
+        assert isinstance(self.pagination.to_html(), str)
 
     def test_second_page(self):
         request = Request(factory.get('/', {'page': 2}))
@@ -262,6 +259,37 @@ class TestPageNumberPagination:
         with pytest.raises(exceptions.NotFound):
             self.paginate_queryset(request)
 
+    def test_get_paginated_response_schema(self):
+        unpaginated_schema = {
+            'type': 'object',
+            'item': {
+                'properties': {
+                    'test-property': {
+                        'type': 'integer',
+                    },
+                },
+            },
+        }
+
+        assert self.pagination.get_paginated_response_schema(unpaginated_schema) == {
+            'type': 'object',
+            'properties': {
+                'count': {
+                    'type': 'integer',
+                    'example': 123,
+                },
+                'next': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'previous': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'results': unpaginated_schema,
+            },
+        }
+
 
 class TestPageNumberPaginationOverride:
     """
@@ -313,7 +341,7 @@ class TestPageNumberPaginationOverride:
             ]
         }
         assert not self.pagination.display_page_controls
-        assert isinstance(self.pagination.to_html(), type(''))
+        assert isinstance(self.pagination.to_html(), str)
 
     def test_invalid_page(self):
         request = Request(factory.get('/', {'page': 'invalid'}))
@@ -368,7 +396,7 @@ class TestLimitOffset:
             ]
         }
         assert self.pagination.display_page_controls
-        assert isinstance(self.pagination.to_html(), type(''))
+        assert isinstance(self.pagination.to_html(), str)
 
     def test_pagination_not_applied_if_limit_or_default_limit_not_set(self):
         class MockPagination(pagination.LimitOffsetPagination):
@@ -502,7 +530,7 @@ class TestLimitOffset:
         content = self.get_paginated_content(queryset)
         next_limit = self.pagination.default_limit
         next_offset = self.pagination.default_limit
-        next_url = 'http://testserver/?limit={0}&offset={1}'.format(next_limit, next_offset)
+        next_url = 'http://testserver/?limit={}&offset={}'.format(next_limit, next_offset)
         assert queryset == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
         assert content.get('next') == next_url
 
@@ -515,7 +543,7 @@ class TestLimitOffset:
         content = self.get_paginated_content(queryset)
         next_limit = self.pagination.default_limit
         next_offset = self.pagination.default_limit
-        next_url = 'http://testserver/?limit={0}&offset={1}'.format(next_limit, next_offset)
+        next_url = 'http://testserver/?limit={}&offset={}'.format(next_limit, next_offset)
         assert queryset == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
         assert content.get('next') == next_url
 
@@ -531,13 +559,44 @@ class TestLimitOffset:
         max_limit = self.pagination.max_limit
         next_offset = offset + max_limit
         prev_offset = offset - max_limit
-        base_url = 'http://testserver/?limit={0}'.format(max_limit)
-        next_url = base_url + '&offset={0}'.format(next_offset)
-        prev_url = base_url + '&offset={0}'.format(prev_offset)
+        base_url = 'http://testserver/?limit={}'.format(max_limit)
+        next_url = base_url + '&offset={}'.format(next_offset)
+        prev_url = base_url + '&offset={}'.format(prev_offset)
         assert queryset == list(range(51, 66))
         assert content.get('next') == next_url
         assert content.get('previous') == prev_url
 
+    def test_get_paginated_response_schema(self):
+        unpaginated_schema = {
+            'type': 'object',
+            'item': {
+                'properties': {
+                    'test-property': {
+                        'type': 'integer',
+                    },
+                },
+            },
+        }
+
+        assert self.pagination.get_paginated_response_schema(unpaginated_schema) == {
+            'type': 'object',
+            'properties': {
+                'count': {
+                    'type': 'integer',
+                    'example': 123,
+                },
+                'next': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'previous': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'results': unpaginated_schema,
+            },
+        }
+
 
 class CursorPaginationTestsMixin:
 
@@ -631,7 +690,53 @@ class CursorPaginationTestsMixin:
         assert current == [1, 1, 1, 1, 1]
         assert next == [1, 2, 3, 4, 4]
 
-        assert isinstance(self.pagination.to_html(), type(''))
+        assert isinstance(self.pagination.to_html(), str)
+
+    def test_cursor_pagination_current_page_empty_forward(self):
+        # Regression test for #6504
+        self.pagination.base_url = "/"
+
+        # We have a cursor on the element at position 100, but this element doesn't exist
+        # anymore.
+        cursor = pagination.Cursor(reverse=False, offset=0, position=100)
+        url = self.pagination.encode_cursor(cursor)
+        self.pagination.base_url = "/"
+
+        # Loading the page with this cursor doesn't crash
+        (previous, current, next, previous_url, next_url) = self.get_pages(url)
+
+        # The previous url doesn't crash either
+        (previous, current, next, previous_url, next_url) = self.get_pages(previous_url)
+
+        # And point to things that are not completely off.
+        assert previous == [7, 7, 7, 8, 9]
+        assert current == [9, 9, 9, 9, 9]
+        assert next == []
+        assert previous_url is not None
+        assert next_url is not None
+
+    def test_cursor_pagination_current_page_empty_reverse(self):
+        # Regression test for #6504
+        self.pagination.base_url = "/"
+
+        # We have a cursor on the element at position 100, but this element doesn't exist
+        # anymore.
+        cursor = pagination.Cursor(reverse=True, offset=0, position=100)
+        url = self.pagination.encode_cursor(cursor)
+        self.pagination.base_url = "/"
+
+        # Loading the page with this cursor doesn't crash
+        (previous, current, next, previous_url, next_url) = self.get_pages(url)
+
+        # The previous url doesn't crash either
+        (previous, current, next, previous_url, next_url) = self.get_pages(next_url)
+
+        # And point to things that are not completely off.
+        assert previous == [7, 7, 7, 7, 8]
+        assert current == []
+        assert next is None
+        assert previous_url is not None
+        assert next_url is None
 
     def test_cursor_pagination_with_page_size(self):
         (previous, current, next, previous_url, next_url) = self.get_pages('/?page_size=20')
@@ -791,6 +896,33 @@ class CursorPaginationTestsMixin:
         assert current == [1, 1, 1, 1, 1]
         assert next == [1, 2, 3, 4, 4]
 
+    def test_get_paginated_response_schema(self):
+        unpaginated_schema = {
+            'type': 'object',
+            'item': {
+                'properties': {
+                    'test-property': {
+                        'type': 'integer',
+                    },
+                },
+            },
+        }
+
+        assert self.pagination.get_paginated_response_schema(unpaginated_schema) == {
+            'type': 'object',
+            'properties': {
+                'next': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'previous': {
+                    'type': 'string',
+                    'nullable': True,
+                },
+                'results': unpaginated_schema,
+            },
+        }
+
 
 class TestCursorPagination(CursorPaginationTestsMixin):
     """
@@ -798,11 +930,11 @@ class TestCursorPagination(CursorPaginationTestsMixin):
     """
 
     def setup(self):
-        class MockObject(object):
+        class MockObject:
             def __init__(self, idx):
                 self.created = idx
 
-        class MockQuerySet(object):
+        class MockQuerySet:
             def __init__(self, items):
                 self.items = items
 
diff --git a/tests/test_parsers.py b/tests/test_parsers.py
index 0a18aad1a..dcd62fac9 100644
--- a/tests/test_parsers.py
+++ b/tests/test_parsers.py
@@ -1,6 +1,4 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
+import io
 import math
 
 import pytest
@@ -10,7 +8,6 @@ from django.core.files.uploadhandler import (
 )
 from django.http.request import RawPostDataException
 from django.test import TestCase
-from django.utils.six import BytesIO, StringIO
 
 from rest_framework.exceptions import ParseError
 from rest_framework.parsers import (
@@ -33,7 +30,7 @@ class TestFormParser(TestCase):
         """ Make sure the `QueryDict` works OK """
         parser = FormParser()
 
-        stream = StringIO(self.string)
+        stream = io.StringIO(self.string)
         data = parser.parse(stream)
 
         assert Form(data).is_valid() is True
@@ -41,11 +38,9 @@ class TestFormParser(TestCase):
 
 class TestFileUploadParser(TestCase):
     def setUp(self):
-        class MockRequest(object):
+        class MockRequest:
             pass
-        self.stream = BytesIO(
-            "Test text file".encode('utf-8')
-        )
+        self.stream = io.BytesIO(b"Test text file")
         request = MockRequest()
         request.upload_handlers = (MemoryFileUploadHandler(),)
         request.META = {
@@ -62,7 +57,7 @@ class TestFileUploadParser(TestCase):
         self.stream.seek(0)
         data_and_files = parser.parse(self.stream, None, self.parser_context)
         file_obj = data_and_files.files['file']
-        assert file_obj._size == 14
+        assert file_obj.size == 14
 
     def test_parse_missing_filename(self):
         """
@@ -131,7 +126,7 @@ class TestFileUploadParser(TestCase):
 
 class TestJSONParser(TestCase):
     def bytes(self, value):
-        return BytesIO(value.encode('utf-8'))
+        return io.BytesIO(value.encode())
 
     def test_float_strictness(self):
         parser = JSONParser()
diff --git a/tests/test_permissions.py b/tests/test_permissions.py
index 5d7cb20ea..b6178c0bb 100644
--- a/tests/test_permissions.py
+++ b/tests/test_permissions.py
@@ -1,9 +1,11 @@
-from __future__ import unicode_literals
-
 import base64
 import unittest
+from unittest import mock
 
-from django.contrib.auth.models import Group, Permission, User
+import django
+import pytest
+from django.conf import settings
+from django.contrib.auth.models import AnonymousUser, Group, Permission, User
 from django.db import models
 from django.test import TestCase
 from django.urls import ResolverMatch
@@ -12,8 +14,7 @@ from rest_framework import (
     HTTP_HEADER_ENCODING, authentication, generics, permissions, serializers,
     status, views
 )
-from rest_framework.compat import guardian
-from rest_framework.filters import DjangoObjectPermissionsFilter
+from rest_framework.compat import PY36
 from rest_framework.routers import DefaultRouter
 from rest_framework.test import APIRequestFactory
 from tests.models import BasicModel
@@ -151,7 +152,7 @@ class ModelPermissionsIntegrationTests(TestCase):
         response = root_view(request, pk='1')
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertIn('actions', response.data)
-        self.assertEqual(list(response.data['actions'].keys()), ['POST'])
+        self.assertEqual(list(response.data['actions']), ['POST'])
 
         request = factory.options(
             '/1',
@@ -160,7 +161,7 @@ class ModelPermissionsIntegrationTests(TestCase):
         response = instance_view(request, pk='1')
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertIn('actions', response.data)
-        self.assertEqual(list(response.data['actions'].keys()), ['PUT'])
+        self.assertEqual(list(response.data['actions']), ['PUT'])
 
     def test_options_disallowed(self):
         request = factory.options(
@@ -195,7 +196,7 @@ class ModelPermissionsIntegrationTests(TestCase):
         response = instance_view(request, pk='1')
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertIn('actions', response.data)
-        self.assertEqual(list(response.data['actions'].keys()), ['PUT'])
+        self.assertEqual(list(response.data['actions']), ['PUT'])
 
     def test_empty_view_does_not_assert(self):
         request = factory.get('/1', HTTP_AUTHORIZATION=self.permitted_credentials)
@@ -248,10 +249,12 @@ class BasicPermModel(models.Model):
 
     class Meta:
         app_label = 'tests'
-        permissions = (
-            ('view_basicpermmodel', 'Can view basic perm model'),
-            # add, change, delete built in to django
-        )
+
+        if django.VERSION < (2, 1):
+            permissions = (
+                ('view_basicpermmodel', 'Can view basic perm model'),
+                # add, change, delete built in to django
+            )
 
 
 class BasicPermSerializer(serializers.ModelSerializer):
@@ -305,7 +308,7 @@ class GetQuerysetObjectPermissionInstanceView(generics.RetrieveUpdateDestroyAPIV
 get_queryset_object_permissions_view = GetQuerysetObjectPermissionInstanceView.as_view()
 
 
-@unittest.skipUnless(guardian, 'django-guardian not installed')
+@unittest.skipUnless('guardian' in settings.INSTALLED_APPS, 'django-guardian not installed')
 class ObjectPermissionsIntegrationTests(TestCase):
     """
     Integration tests for the object level permissions API.
@@ -326,14 +329,14 @@ class ObjectPermissionsIntegrationTests(TestCase):
         everyone = Group.objects.create(name='everyone')
         model_name = BasicPermModel._meta.model_name
         app_label = BasicPermModel._meta.app_label
-        f = '{0}_{1}'.format
+        f = '{}_{}'.format
         perms = {
             'view': f('view', model_name),
             'change': f('change', model_name),
             'delete': f('delete', model_name)
         }
         for perm in perms.values():
-            perm = '{0}.{1}'.format(app_label, perm)
+            perm = '{}.{}'.format(app_label, perm)
             assign_perm(perm, everyone)
         everyone.user_set.add(*users.values())
 
@@ -414,20 +417,14 @@ class ObjectPermissionsIntegrationTests(TestCase):
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
     # Read list
+    # Note: this previously tested `DjangoObjectPermissionsFilter`, which has
+    # since been moved to a separate package. These now act as sanity checks.
     def test_can_read_list_permissions(self):
         request = factory.get('/', HTTP_AUTHORIZATION=self.credentials['readonly'])
-        object_permissions_list_view.cls.filter_backends = (DjangoObjectPermissionsFilter,)
         response = object_permissions_list_view(request)
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertEqual(response.data[0].get('id'), 1)
 
-    def test_cannot_read_list_permissions(self):
-        request = factory.get('/', HTTP_AUTHORIZATION=self.credentials['writeonly'])
-        object_permissions_list_view.cls.filter_backends = (DjangoObjectPermissionsFilter,)
-        response = object_permissions_list_view(request)
-        self.assertEqual(response.status_code, status.HTTP_200_OK)
-        self.assertListEqual(response.data, [])
-
     def test_cannot_method_not_allowed(self):
         request = factory.generic('METHOD_NOT_ALLOWED', '/', HTTP_AUTHORIZATION=self.credentials['readonly'])
         response = object_permissions_list_view(request)
@@ -497,25 +494,192 @@ class CustomPermissionsTests(TestCase):
         self.custom_message = 'Custom: You cannot access this resource'
 
     def test_permission_denied(self):
-            response = denied_view(self.request, pk=1)
-            detail = response.data.get('detail')
-            self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
-            self.assertNotEqual(detail, self.custom_message)
+        response = denied_view(self.request, pk=1)
+        detail = response.data.get('detail')
+        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
+        self.assertNotEqual(detail, self.custom_message)
 
     def test_permission_denied_with_custom_detail(self):
-            response = denied_view_with_detail(self.request, pk=1)
-            detail = response.data.get('detail')
-            self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
-            self.assertEqual(detail, self.custom_message)
+        response = denied_view_with_detail(self.request, pk=1)
+        detail = response.data.get('detail')
+        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
+        self.assertEqual(detail, self.custom_message)
 
     def test_permission_denied_for_object(self):
-            response = denied_object_view(self.request, pk=1)
-            detail = response.data.get('detail')
-            self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
-            self.assertNotEqual(detail, self.custom_message)
+        response = denied_object_view(self.request, pk=1)
+        detail = response.data.get('detail')
+        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
+        self.assertNotEqual(detail, self.custom_message)
 
     def test_permission_denied_for_object_with_custom_detail(self):
-            response = denied_object_view_with_detail(self.request, pk=1)
-            detail = response.data.get('detail')
-            self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
-            self.assertEqual(detail, self.custom_message)
+        response = denied_object_view_with_detail(self.request, pk=1)
+        detail = response.data.get('detail')
+        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
+        self.assertEqual(detail, self.custom_message)
+
+
+class PermissionsCompositionTests(TestCase):
+
+    def setUp(self):
+        self.username = 'john'
+        self.email = 'lennon@thebeatles.com'
+        self.password = 'password'
+        self.user = User.objects.create_user(
+            self.username,
+            self.email,
+            self.password
+        )
+        self.client.login(username=self.username, password=self.password)
+
+    def test_and_false(self):
+        request = factory.get('/1', format='json')
+        request.user = AnonymousUser()
+        composed_perm = permissions.IsAuthenticated & permissions.AllowAny
+        assert composed_perm().has_permission(request, None) is False
+
+    def test_and_true(self):
+        request = factory.get('/1', format='json')
+        request.user = self.user
+        composed_perm = permissions.IsAuthenticated & permissions.AllowAny
+        assert composed_perm().has_permission(request, None) is True
+
+    def test_or_false(self):
+        request = factory.get('/1', format='json')
+        request.user = AnonymousUser()
+        composed_perm = permissions.IsAuthenticated | permissions.AllowAny
+        assert composed_perm().has_permission(request, None) is True
+
+    def test_or_true(self):
+        request = factory.get('/1', format='json')
+        request.user = self.user
+        composed_perm = permissions.IsAuthenticated | permissions.AllowAny
+        assert composed_perm().has_permission(request, None) is True
+
+    def test_not_false(self):
+        request = factory.get('/1', format='json')
+        request.user = AnonymousUser()
+        composed_perm = ~permissions.IsAuthenticated
+        assert composed_perm().has_permission(request, None) is True
+
+    def test_not_true(self):
+        request = factory.get('/1', format='json')
+        request.user = self.user
+        composed_perm = ~permissions.AllowAny
+        assert composed_perm().has_permission(request, None) is False
+
+    def test_several_levels_without_negation(self):
+        request = factory.get('/1', format='json')
+        request.user = self.user
+        composed_perm = (
+            permissions.IsAuthenticated &
+            permissions.IsAuthenticated &
+            permissions.IsAuthenticated &
+            permissions.IsAuthenticated
+        )
+        assert composed_perm().has_permission(request, None) is True
+
+    def test_several_levels_and_precedence_with_negation(self):
+        request = factory.get('/1', format='json')
+        request.user = self.user
+        composed_perm = (
+            permissions.IsAuthenticated &
+            ~ permissions.IsAdminUser &
+            permissions.IsAuthenticated &
+            ~(permissions.IsAdminUser & permissions.IsAdminUser)
+        )
+        assert composed_perm().has_permission(request, None) is True
+
+    def test_several_levels_and_precedence(self):
+        request = factory.get('/1', format='json')
+        request.user = self.user
+        composed_perm = (
+            permissions.IsAuthenticated &
+            permissions.IsAuthenticated |
+            permissions.IsAuthenticated &
+            permissions.IsAuthenticated
+        )
+        assert composed_perm().has_permission(request, None) is True
+
+    @pytest.mark.skipif(not PY36, reason="assert_called_once() not available")
+    def test_or_lazyness(self):
+        request = factory.get('/1', format='json')
+        request.user = AnonymousUser()
+
+        with mock.patch.object(permissions.AllowAny, 'has_permission', return_value=True) as mock_allow:
+            with mock.patch.object(permissions.IsAuthenticated, 'has_permission', return_value=False) as mock_deny:
+                composed_perm = (permissions.AllowAny | permissions.IsAuthenticated)
+                hasperm = composed_perm().has_permission(request, None)
+                self.assertIs(hasperm, True)
+                mock_allow.assert_called_once()
+                mock_deny.assert_not_called()
+
+        with mock.patch.object(permissions.AllowAny, 'has_permission', return_value=True) as mock_allow:
+            with mock.patch.object(permissions.IsAuthenticated, 'has_permission', return_value=False) as mock_deny:
+                composed_perm = (permissions.IsAuthenticated | permissions.AllowAny)
+                hasperm = composed_perm().has_permission(request, None)
+                self.assertIs(hasperm, True)
+                mock_deny.assert_called_once()
+                mock_allow.assert_called_once()
+
+    @pytest.mark.skipif(not PY36, reason="assert_called_once() not available")
+    def test_object_or_lazyness(self):
+        request = factory.get('/1', format='json')
+        request.user = AnonymousUser()
+
+        with mock.patch.object(permissions.AllowAny, 'has_object_permission', return_value=True) as mock_allow:
+            with mock.patch.object(permissions.IsAuthenticated, 'has_object_permission', return_value=False) as mock_deny:
+                composed_perm = (permissions.AllowAny | permissions.IsAuthenticated)
+                hasperm = composed_perm().has_object_permission(request, None, None)
+                self.assertIs(hasperm, True)
+                mock_allow.assert_called_once()
+                mock_deny.assert_not_called()
+
+        with mock.patch.object(permissions.AllowAny, 'has_object_permission', return_value=True) as mock_allow:
+            with mock.patch.object(permissions.IsAuthenticated, 'has_object_permission', return_value=False) as mock_deny:
+                composed_perm = (permissions.IsAuthenticated | permissions.AllowAny)
+                hasperm = composed_perm().has_object_permission(request, None, None)
+                self.assertIs(hasperm, True)
+                mock_deny.assert_called_once()
+                mock_allow.assert_called_once()
+
+    @pytest.mark.skipif(not PY36, reason="assert_called_once() not available")
+    def test_and_lazyness(self):
+        request = factory.get('/1', format='json')
+        request.user = AnonymousUser()
+
+        with mock.patch.object(permissions.AllowAny, 'has_permission', return_value=True) as mock_allow:
+            with mock.patch.object(permissions.IsAuthenticated, 'has_permission', return_value=False) as mock_deny:
+                composed_perm = (permissions.AllowAny & permissions.IsAuthenticated)
+                hasperm = composed_perm().has_permission(request, None)
+                self.assertIs(hasperm, False)
+                mock_allow.assert_called_once()
+                mock_deny.assert_called_once()
+
+        with mock.patch.object(permissions.AllowAny, 'has_permission', return_value=True) as mock_allow:
+            with mock.patch.object(permissions.IsAuthenticated, 'has_permission', return_value=False) as mock_deny:
+                composed_perm = (permissions.IsAuthenticated & permissions.AllowAny)
+                hasperm = composed_perm().has_permission(request, None)
+                self.assertIs(hasperm, False)
+                mock_allow.assert_not_called()
+                mock_deny.assert_called_once()
+
+    @pytest.mark.skipif(not PY36, reason="assert_called_once() not available")
+    def test_object_and_lazyness(self):
+        request = factory.get('/1', format='json')
+        request.user = AnonymousUser()
+
+        with mock.patch.object(permissions.AllowAny, 'has_object_permission', return_value=True) as mock_allow:
+            with mock.patch.object(permissions.IsAuthenticated, 'has_object_permission', return_value=False) as mock_deny:
+                composed_perm = (permissions.AllowAny & permissions.IsAuthenticated)
+                hasperm = composed_perm().has_object_permission(request, None, None)
+                self.assertIs(hasperm, False)
+                mock_allow.assert_called_once()
+                mock_deny.assert_called_once()
+
+        with mock.patch.object(permissions.AllowAny, 'has_object_permission', return_value=True) as mock_allow:
+            with mock.patch.object(permissions.IsAuthenticated, 'has_object_permission', return_value=False) as mock_deny:
+                composed_perm = (permissions.IsAuthenticated & permissions.AllowAny)
+                hasperm = composed_perm().has_object_permission(request, None, None)
+                self.assertIs(hasperm, False)
+                mock_allow.assert_not_called()
+                mock_deny.assert_called_once()
diff --git a/tests/test_relations.py b/tests/test_relations.py
index fd3256e89..c89293415 100644
--- a/tests/test_relations.py
+++ b/tests/test_relations.py
@@ -3,7 +3,7 @@ import uuid
 import pytest
 from _pytest.monkeypatch import MonkeyPatch
 from django.conf.urls import url
-from django.core.exceptions import ImproperlyConfigured
+from django.core.exceptions import ImproperlyConfigured, ObjectDoesNotExist
 from django.test import override_settings
 from django.utils.datastructures import MultiValueDict
 
@@ -26,7 +26,7 @@ class TestStringRelatedField(APISimpleTestCase):
         assert representation == '<MockObject name=foo, pk=1>'
 
 
-class MockApiSettings(object):
+class MockApiSettings:
     def __init__(self, cutoff, cutoff_text):
         self.HTML_SELECT_CUTOFF = cutoff
         self.HTML_SELECT_CUTOFF_TEXT = cutoff_text
@@ -167,6 +167,22 @@ class TestHyperlinkedRelatedField(APISimpleTestCase):
         representation = self.field.to_representation(MockObject(pk=''))
         assert representation is None
 
+    def test_serialize_empty_relationship_attribute(self):
+        class TestSerializer(serializers.Serializer):
+            via_unreachable = serializers.HyperlinkedRelatedField(
+                source='does_not_exist.unreachable',
+                view_name='example',
+                read_only=True,
+            )
+
+        class TestSerializable:
+            @property
+            def does_not_exist(self):
+                raise ObjectDoesNotExist
+
+        serializer = TestSerializer(TestSerializable())
+        assert serializer.data == {'via_unreachable': None}
+
     def test_hyperlinked_related_lookup_exists(self):
         instance = self.field.to_internal_value('http://example.org/example/foobar/')
         assert instance is self.queryset.items[0]
@@ -181,6 +197,36 @@ class TestHyperlinkedRelatedField(APISimpleTestCase):
         msg = excinfo.value.detail[0]
         assert msg == 'Invalid hyperlink - Object does not exist.'
 
+    def test_hyperlinked_related_internal_type_error(self):
+        class Field(serializers.HyperlinkedRelatedField):
+            def get_object(self, incorrect, signature):
+                raise NotImplementedError()
+
+        field = Field(view_name='example', queryset=self.queryset)
+        with pytest.raises(TypeError):
+            field.to_internal_value('http://example.org/example/doesnotexist/')
+
+    def hyperlinked_related_queryset_error(self, exc_type):
+        class QuerySet:
+            def get(self, *args, **kwargs):
+                raise exc_type
+
+        field = serializers.HyperlinkedRelatedField(
+            view_name='example',
+            lookup_field='name',
+            queryset=QuerySet(),
+        )
+        with pytest.raises(serializers.ValidationError) as excinfo:
+            field.to_internal_value('http://example.org/example/doesnotexist/')
+        msg = excinfo.value.detail[0]
+        assert msg == 'Invalid hyperlink - Object does not exist.'
+
+    def test_hyperlinked_related_queryset_type_error(self):
+        self.hyperlinked_related_queryset_error(TypeError)
+
+    def test_hyperlinked_related_queryset_value_error(self):
+        self.hyperlinked_related_queryset_error(ValueError)
+
 
 class TestHyperlinkedIdentityField(APISimpleTestCase):
     def setUp(self):
@@ -205,7 +251,7 @@ class TestHyperlinkedIdentityField(APISimpleTestCase):
     def test_improperly_configured(self):
         """
         If a matching view cannot be reversed with the given instance,
-        the the user has misconfigured something, as the URL conf and the
+        the user has misconfigured something, as the URL conf and the
         hyperlinked field do not match.
         """
         self.field.reverse = fail_reverse
diff --git a/tests/test_relations_hyperlink.py b/tests/test_relations_hyperlink.py
index 887a6f423..5ad0e31ff 100644
--- a/tests/test_relations_hyperlink.py
+++ b/tests/test_relations_hyperlink.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.conf.urls import url
 from django.test import TestCase, override_settings
 
diff --git a/tests/test_relations_pk.py b/tests/test_relations_pk.py
index 3317d6251..0da9da890 100644
--- a/tests/test_relations_pk.py
+++ b/tests/test_relations_pk.py
@@ -1,12 +1,10 @@
-from __future__ import unicode_literals
-
 from django.test import TestCase
-from django.utils import six
 
 from rest_framework import serializers
 from tests.models import (
-    ForeignKeySource, ForeignKeyTarget, ManyToManySource, ManyToManyTarget,
-    NullableForeignKeySource, NullableOneToOneSource,
+    ForeignKeySource, ForeignKeySourceWithLimitedChoices,
+    ForeignKeySourceWithQLimitedChoices, ForeignKeyTarget, ManyToManySource,
+    ManyToManyTarget, NullableForeignKeySource, NullableOneToOneSource,
     NullableUUIDForeignKeySource, OneToOnePKSource, OneToOneTarget,
     UUIDForeignKeyTarget
 )
@@ -38,6 +36,12 @@ class ForeignKeySourceSerializer(serializers.ModelSerializer):
         fields = ('id', 'name', 'target')
 
 
+class ForeignKeySourceWithLimitedChoicesSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ForeignKeySourceWithLimitedChoices
+        fields = ("id", "target")
+
+
 # Nullable ForeignKey
 class NullableForeignKeySourceSerializer(serializers.ModelSerializer):
     class Meta:
@@ -256,7 +260,7 @@ class PKForeignKeyTests(TestCase):
         instance = ForeignKeySource.objects.get(pk=1)
         serializer = ForeignKeySourceSerializer(instance, data=data)
         assert not serializer.is_valid()
-        assert serializer.errors == {'target': ['Incorrect type. Expected pk value, received %s.' % six.text_type.__name__]}
+        assert serializer.errors == {'target': ['Incorrect type. Expected pk value, received str.']}
 
     def test_reverse_foreign_key_update(self):
         data = {'id': 2, 'name': 'target-2', 'sources': [1, 3]}
@@ -360,6 +364,30 @@ class PKForeignKeyTests(TestCase):
         serializer.is_valid(raise_exception=True)
         assert 'target' not in serializer.validated_data
 
+    def test_queryset_size_without_limited_choices(self):
+        limited_target = ForeignKeyTarget(name="limited-target")
+        limited_target.save()
+        queryset = ForeignKeySourceSerializer().fields["target"].get_queryset()
+        assert len(queryset) == 3
+
+    def test_queryset_size_with_limited_choices(self):
+        limited_target = ForeignKeyTarget(name="limited-target")
+        limited_target.save()
+        queryset = ForeignKeySourceWithLimitedChoicesSerializer().fields["target"].get_queryset()
+        assert len(queryset) == 1
+
+    def test_queryset_size_with_Q_limited_choices(self):
+        limited_target = ForeignKeyTarget(name="limited-target")
+        limited_target.save()
+
+        class QLimitedChoicesSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = ForeignKeySourceWithQLimitedChoices
+                fields = ("id", "target")
+
+        queryset = QLimitedChoicesSerializer().fields["target"].get_queryset()
+        assert len(queryset) == 1
+
 
 class PKNullableForeignKeyTests(TestCase):
     def setUp(self):
@@ -531,7 +559,7 @@ class OneToOnePrimaryKeyTests(TestCase):
         # When: Trying to create a second object
         second_source = OneToOnePKSourceSerializer(data=data)
         self.assertFalse(second_source.is_valid())
-        expected = {'target': [u'one to one pk source with this target already exists.']}
+        expected = {'target': ['one to one pk source with this target already exists.']}
         self.assertDictEqual(second_source.errors, expected)
 
     def test_one_to_one_when_primary_key_does_not_exist(self):
diff --git a/tests/test_renderers.py b/tests/test_renderers.py
index ba8400c06..c79c0a766 100644
--- a/tests/test_renderers.py
+++ b/tests/test_renderers.py
@@ -1,31 +1,32 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 import re
-from collections import MutableMapping, OrderedDict
+from collections import OrderedDict
+from collections.abc import MutableMapping
 
 import pytest
 from django.conf.urls import include, url
 from django.core.cache import cache
 from django.db import models
 from django.http.request import HttpRequest
+from django.template import loader
 from django.test import TestCase, override_settings
-from django.utils import six
 from django.utils.safestring import SafeText
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
-import coreapi
 from rest_framework import permissions, serializers, status
+from rest_framework.compat import coreapi
+from rest_framework.decorators import action
 from rest_framework.renderers import (
     AdminRenderer, BaseRenderer, BrowsableAPIRenderer, DocumentationRenderer,
     HTMLFormRenderer, JSONRenderer, SchemaJSRenderer, StaticHTMLRenderer
 )
 from rest_framework.request import Request
 from rest_framework.response import Response
+from rest_framework.routers import SimpleRouter
 from rest_framework.settings import api_settings
-from rest_framework.test import APIRequestFactory
+from rest_framework.test import APIRequestFactory, URLPatternsTestCase
 from rest_framework.utils import json
 from rest_framework.views import APIView
+from rest_framework.viewsets import ViewSet
 
 DUMMYSTATUS = status.HTTP_200_OK
 DUMMYCONTENT = 'dummycontent'
@@ -75,8 +76,7 @@ class MockView(APIView):
     renderer_classes = (RendererA, RendererB)
 
     def get(self, request, **kwargs):
-        response = Response(DUMMYCONTENT, status=DUMMYSTATUS)
-        return response
+        return Response(DUMMYCONTENT, status=DUMMYSTATUS)
 
 
 class MockGETView(APIView):
@@ -171,7 +171,7 @@ class RendererEndToEndTests(TestCase):
         resp = self.client.head('/')
         self.assertEqual(resp.status_code, DUMMYSTATUS)
         self.assertEqual(resp['Content-Type'], RendererA.media_type + '; charset=utf-8')
-        self.assertEqual(resp.content, six.b(''))
+        self.assertEqual(resp.content, b'')
 
     def test_default_renderer_serializes_content_on_accept_any(self):
         """If the Accept header is set to */* the default renderer should serialize the response."""
@@ -303,14 +303,14 @@ class JSONRendererTests(TestCase):
         o = DummyTestModel.objects.create(name='dummy')
         qs = DummyTestModel.objects.values('id', 'name')
         ret = JSONRenderer().render(qs)
-        data = json.loads(ret.decode('utf-8'))
+        data = json.loads(ret.decode())
         self.assertEqual(data, [{'id': o.id, 'name': o.name}])
 
     def test_render_queryset_values_list(self):
         o = DummyTestModel.objects.create(name='dummy')
         qs = DummyTestModel.objects.values_list('id', 'name')
         ret = JSONRenderer().render(qs)
-        data = json.loads(ret.decode('utf-8'))
+        data = json.loads(ret.decode())
         self.assertEqual(data, [[o.id, o.name]])
 
     def test_render_dict_abc_obj(self):
@@ -340,11 +340,11 @@ class JSONRendererTests(TestCase):
         x['key'] = 'string value'
         x[2] = 3
         ret = JSONRenderer().render(x)
-        data = json.loads(ret.decode('utf-8'))
+        data = json.loads(ret.decode())
         self.assertEqual(data, {'key': 'string value', '2': 3})
 
     def test_render_obj_with_getitem(self):
-        class DictLike(object):
+        class DictLike:
             def __init__(self):
                 self._dict = {}
 
@@ -380,7 +380,7 @@ class JSONRendererTests(TestCase):
         renderer = JSONRenderer()
         content = renderer.render(obj, 'application/json')
         # Fix failing test case which depends on version of JSON library.
-        self.assertEqual(content.decode('utf-8'), _flat_repr)
+        self.assertEqual(content.decode(), _flat_repr)
 
     def test_with_content_type_args(self):
         """
@@ -389,7 +389,7 @@ class JSONRendererTests(TestCase):
         obj = {'foo': ['bar', 'baz']}
         renderer = JSONRenderer()
         content = renderer.render(obj, 'application/json; indent=2')
-        self.assertEqual(strip_trailing_whitespace(content.decode('utf-8')), _indented_repr)
+        self.assertEqual(strip_trailing_whitespace(content.decode()), _indented_repr)
 
 
 class UnicodeJSONRendererTests(TestCase):
@@ -400,7 +400,7 @@ class UnicodeJSONRendererTests(TestCase):
         obj = {'countries': ['United Kingdom', 'France', 'España']}
         renderer = JSONRenderer()
         content = renderer.render(obj, 'application/json')
-        self.assertEqual(content, '{"countries":["United Kingdom","France","España"]}'.encode('utf-8'))
+        self.assertEqual(content, '{"countries":["United Kingdom","France","España"]}'.encode())
 
     def test_u2028_u2029(self):
         # The \u2028 and \u2029 characters should be escaped,
@@ -409,7 +409,7 @@ class UnicodeJSONRendererTests(TestCase):
         obj = {'should_escape': '\u2028\u2029'}
         renderer = JSONRenderer()
         content = renderer.render(obj, 'application/json')
-        self.assertEqual(content, '{"should_escape":"\\u2028\\u2029"}'.encode('utf-8'))
+        self.assertEqual(content, '{"should_escape":"\\u2028\\u2029"}'.encode())
 
 
 class AsciiJSONRendererTests(TestCase):
@@ -422,7 +422,7 @@ class AsciiJSONRendererTests(TestCase):
         obj = {'countries': ['United Kingdom', 'France', 'España']}
         renderer = AsciiJSONRenderer()
         content = renderer.render(obj, 'application/json')
-        self.assertEqual(content, '{"countries":["United Kingdom","France","Espa\\u00f1a"]}'.encode('utf-8'))
+        self.assertEqual(content, '{"countries":["United Kingdom","France","Espa\\u00f1a"]}'.encode())
 
 
 # Tests for caching issue, #346
@@ -622,7 +622,22 @@ class StaticHTMLRendererTests(TestCase):
         assert result == '500 Internal Server Error'
 
 
-class BrowsableAPIRendererTests(TestCase):
+class BrowsableAPIRendererTests(URLPatternsTestCase):
+    class ExampleViewSet(ViewSet):
+        def list(self, request):
+            return Response()
+
+        @action(detail=False, name="Extra list action")
+        def list_action(self, request):
+            raise NotImplementedError
+
+    class AuthExampleViewSet(ExampleViewSet):
+        permission_classes = [permissions.IsAuthenticated]
+
+    router = SimpleRouter()
+    router.register('examples', ExampleViewSet, basename='example')
+    router.register('auth-examples', AuthExampleViewSet, basename='auth-example')
+    urlpatterns = [url(r'^api/', include(router.urls))]
 
     def setUp(self):
         self.renderer = BrowsableAPIRenderer()
@@ -632,7 +647,7 @@ class BrowsableAPIRendererTests(TestCase):
         assert self.renderer.get_description({}, status_code=403) == ''
 
     def test_get_filter_form_returns_none_if_data_is_not_list_instance(self):
-        class DummyView(object):
+        class DummyView:
             get_queryset = None
             filter_backends = None
 
@@ -640,6 +655,18 @@ class BrowsableAPIRendererTests(TestCase):
                                                view=DummyView(), request={})
         assert result is None
 
+    def test_extra_actions_dropdown(self):
+        resp = self.client.get('/api/examples/', HTTP_ACCEPT='text/html')
+        assert 'id="extra-actions-menu"' in resp.content.decode()
+        assert '/api/examples/list_action/' in resp.content.decode()
+        assert '>Extra list action<' in resp.content.decode()
+
+    def test_extra_actions_dropdown_not_authed(self):
+        resp = self.client.get('/api/unauth-examples/', HTTP_ACCEPT='text/html')
+        assert 'id="extra-actions-menu"' not in resp.content.decode()
+        assert '/api/examples/list_action/' not in resp.content.decode()
+        assert '>Extra list action<' not in resp.content.decode()
+
 
 class AdminRendererTests(TestCase):
 
@@ -708,7 +735,77 @@ class AdminRendererTests(TestCase):
         response.render()
         self.assertContains(response, '<tr><th>Iteritems</th><td>a string</td></tr>', html=True)
 
+    def test_get_result_url(self):
+        factory = APIRequestFactory()
 
+        class DummyGenericViewsetLike(APIView):
+            lookup_field = 'test'
+
+            def reverse_action(view, *args, **kwargs):
+                self.assertEqual(kwargs['kwargs']['test'], 1)
+                return '/example/'
+
+        # get the view instance instead of the view function
+        view = DummyGenericViewsetLike.as_view()
+        request = factory.get('/')
+        response = view(request)
+        view = response.renderer_context['view']
+
+        self.assertEqual(self.renderer.get_result_url({'test': 1}, view), '/example/')
+        self.assertIsNone(self.renderer.get_result_url({}, view))
+
+    def test_get_result_url_no_result(self):
+        factory = APIRequestFactory()
+
+        class DummyView(APIView):
+            lookup_field = 'test'
+
+        # get the view instance instead of the view function
+        view = DummyView.as_view()
+        request = factory.get('/')
+        response = view(request)
+        view = response.renderer_context['view']
+
+        self.assertIsNone(self.renderer.get_result_url({'test': 1}, view))
+        self.assertIsNone(self.renderer.get_result_url({}, view))
+
+    def test_get_context_result_urls(self):
+        factory = APIRequestFactory()
+
+        class DummyView(APIView):
+            lookup_field = 'test'
+
+            def reverse_action(view, url_name, args=None, kwargs=None):
+                return '/%s/%d' % (url_name, kwargs['test'])
+
+        # get the view instance instead of the view function
+        view = DummyView.as_view()
+        request = factory.get('/')
+        response = view(request)
+
+        data = [
+            {'test': 1},
+            {'url': '/example', 'test': 2},
+            {'url': None, 'test': 3},
+            {},
+        ]
+        context = {
+            'view': DummyView(),
+            'request': Request(request),
+            'response': response
+        }
+
+        context = self.renderer.get_context(data, None, context)
+        results = context['results']
+
+        self.assertEqual(len(results), 4)
+        self.assertEqual(results[0]['url'], '/detail/1')
+        self.assertEqual(results[1]['url'], '/example')
+        self.assertEqual(results[2]['url'], None)
+        self.assertNotIn('url', results[3])
+
+
+@pytest.mark.skipif(not coreapi, reason='coreapi is not installed')
 class TestDocumentationRenderer(TestCase):
 
     def test_document_with_link_named_data(self):
@@ -737,7 +834,18 @@ class TestDocumentationRenderer(TestCase):
         html = renderer.render(document, accepted_media_type="text/html", renderer_context={"request": request})
         assert '<h1>Data Endpoint API</h1>' in html
 
+    def test_shell_code_example_rendering(self):
+        template = loader.get_template('rest_framework/docs/langs/shell.html')
+        context = {
+            'document': coreapi.Document(url='https://api.example.org/'),
+            'link_key': 'testcases > list',
+            'link': coreapi.Link(url='/data/', action='get', fields=[]),
+        }
+        html = template.render(context)
+        assert 'testcases list' in html
 
+
+@pytest.mark.skipif(not coreapi, reason='coreapi is not installed')
 class TestSchemaJSRenderer(TestCase):
 
     def test_schemajs_output(self):
diff --git a/tests/test_request.py b/tests/test_request.py
index 76589a440..0f682deb0 100644
--- a/tests/test_request.py
+++ b/tests/test_request.py
@@ -1,8 +1,6 @@
 """
 Tests for content parsing, and form-overloaded content parsing.
 """
-from __future__ import unicode_literals
-
 import os.path
 import tempfile
 
@@ -13,8 +11,8 @@ from django.contrib.auth.middleware import AuthenticationMiddleware
 from django.contrib.auth.models import User
 from django.contrib.sessions.middleware import SessionMiddleware
 from django.core.files.uploadedfile import SimpleUploadedFile
+from django.http.request import RawPostDataException
 from django.test import TestCase, override_settings
-from django.utils import six
 
 from rest_framework import status
 from rest_framework.authentication import SessionAuthentication
@@ -81,7 +79,7 @@ class TestContentParsing(TestCase):
         Ensure request.data returns content for POST request with
         non-form content.
         """
-        content = six.b('qwerty')
+        content = b'qwerty'
         content_type = 'text/plain'
         request = Request(factory.post('/', content, content_type=content_type))
         request.parsers = (PlainTextParser(),)
@@ -103,8 +101,8 @@ class TestContentParsing(TestCase):
         upload = SimpleUploadedFile("file.txt", b"file_content")
         request = Request(factory.post('/', {'upload': upload}))
         request.parsers = (FormParser(), MultiPartParser())
-        assert list(request.POST.keys()) == []
-        assert list(request.FILES.keys()) == ['upload']
+        assert list(request.POST) == []
+        assert list(request.FILES) == ['upload']
 
     def test_standard_behaviour_determines_form_content_PUT(self):
         """
@@ -120,7 +118,7 @@ class TestContentParsing(TestCase):
         Ensure request.data returns content for PUT request with
         non-form content.
         """
-        content = six.b('qwerty')
+        content = b'qwerty'
         content_type = 'text/plain'
         request = Request(factory.put('/', content, content_type=content_type))
         request.parsers = (PlainTextParser(), )
@@ -137,6 +135,11 @@ class MockView(APIView):
         return Response(status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 
 
+class EchoView(APIView):
+    def post(self, request):
+        return Response(status=status.HTTP_200_OK, data=request.data)
+
+
 class FileUploadView(APIView):
     def post(self, request):
         filenames = [file.temporary_file_path() for file in request.FILES.values()]
@@ -149,6 +152,7 @@ class FileUploadView(APIView):
 
 urlpatterns = [
     url(r'^$', MockView.as_view()),
+    url(r'^echo/$', EchoView.as_view()),
     url(r'^upload/$', FileUploadView.as_view())
 ]
 
@@ -228,7 +232,7 @@ class TestUserSetter(TestCase):
         This proves that when an AttributeError is raised inside of the request.user
         property, that we can handle this and report the true, underlying error.
         """
-        class AuthRaisesAttributeError(object):
+        class AuthRaisesAttributeError:
             def authenticate(self, request):
                 self.MISSPELLED_NAME_THAT_DOESNT_EXIST
 
@@ -242,10 +246,6 @@ class TestUserSetter(TestCase):
         with pytest.raises(WrappedAttributeError, match=expected):
             request.user
 
-        # python 2 hasattr fails for *any* exception, not just AttributeError
-        if six.PY2:
-            return
-
         with pytest.raises(WrappedAttributeError, match=expected):
             hasattr(request, 'user')
 
@@ -271,24 +271,64 @@ class TestSecure(TestCase):
         assert request.scheme == 'https'
 
 
-class TestWSGIRequestProxy(TestCase):
-    def test_attribute_access(self):
-        wsgi_request = factory.get('/')
-        request = Request(wsgi_request)
+class TestHttpRequest(TestCase):
+    def test_attribute_access_proxy(self):
+        http_request = factory.get('/')
+        request = Request(http_request)
 
         inner_sentinel = object()
-        wsgi_request.inner_property = inner_sentinel
+        http_request.inner_property = inner_sentinel
         assert request.inner_property is inner_sentinel
 
         outer_sentinel = object()
         request.inner_property = outer_sentinel
         assert request.inner_property is outer_sentinel
 
-    def test_exception(self):
+    def test_exception_proxy(self):
         # ensure the exception message is not for the underlying WSGIRequest
-        wsgi_request = factory.get('/')
-        request = Request(wsgi_request)
+        http_request = factory.get('/')
+        request = Request(http_request)
 
         message = "'Request' object has no attribute 'inner_property'"
         with self.assertRaisesMessage(AttributeError, message):
             request.inner_property
+
+    @override_settings(ROOT_URLCONF='tests.test_request')
+    def test_duplicate_request_stream_parsing_exception(self):
+        """
+        Check assumption that duplicate stream parsing will result in a
+        `RawPostDataException` being raised.
+        """
+        response = APIClient().post('/echo/', data={'a': 'b'}, format='json')
+        request = response.renderer_context['request']
+
+        # ensure that request stream was consumed by json parser
+        assert request.content_type.startswith('application/json')
+        assert response.data == {'a': 'b'}
+
+        # pass same HttpRequest to view, stream already consumed
+        with pytest.raises(RawPostDataException):
+            EchoView.as_view()(request._request)
+
+    @override_settings(ROOT_URLCONF='tests.test_request')
+    def test_duplicate_request_form_data_access(self):
+        """
+        Form data is copied to the underlying django request for middleware
+        and file closing reasons. Duplicate processing of a request with form
+        data is 'safe' in so far as accessing `request.POST` does not trigger
+        the duplicate stream parse exception.
+        """
+        response = APIClient().post('/echo/', data={'a': 'b'})
+        request = response.renderer_context['request']
+
+        # ensure that request stream was consumed by form parser
+        assert request.content_type.startswith('multipart/form-data')
+        assert response.data == {'a': ['b']}
+
+        # pass same HttpRequest to view, form data set on underlying request
+        response = EchoView.as_view()(request._request)
+        request = response.renderer_context['request']
+
+        # ensure that request stream was consumed by form parser
+        assert request.content_type.startswith('multipart/form-data')
+        assert response.data == {'a': ['b']}
diff --git a/tests/test_requests_client.py b/tests/test_requests_client.py
index 161429f73..59b388c5a 100644
--- a/tests/test_requests_client.py
+++ b/tests/test_requests_client.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import unittest
 
 from django.conf.urls import url
diff --git a/tests/test_response.py b/tests/test_response.py
index e92bf54c1..d3a56d01b 100644
--- a/tests/test_response.py
+++ b/tests/test_response.py
@@ -1,8 +1,5 @@
-from __future__ import unicode_literals
-
 from django.conf.urls import include, url
 from django.test import TestCase, override_settings
-from django.utils import six
 
 from rest_framework import generics, routers, serializers, status, viewsets
 from rest_framework.parsers import JSONParser
@@ -150,7 +147,7 @@ class RendererIntegrationTests(TestCase):
         resp = self.client.head('/')
         self.assertEqual(resp.status_code, DUMMYSTATUS)
         self.assertEqual(resp['Content-Type'], RendererA.media_type + '; charset=utf-8')
-        self.assertEqual(resp.content, six.b(''))
+        self.assertEqual(resp.content, b'')
 
     def test_default_renderer_serializes_content_on_accept_any(self):
         """If the Accept header is set to */* the default renderer should serialize the response."""
@@ -260,7 +257,7 @@ class Issue807Tests(TestCase):
         """
         headers = {"HTTP_ACCEPT": RendererA.media_type}
         resp = self.client.get('/', **headers)
-        expected = "{0}; charset={1}".format(RendererA.media_type, 'utf-8')
+        expected = "{}; charset={}".format(RendererA.media_type, 'utf-8')
         self.assertEqual(expected, resp['Content-Type'])
 
     def test_if_there_is_charset_specified_on_renderer_it_gets_appended(self):
@@ -270,7 +267,7 @@ class Issue807Tests(TestCase):
         """
         headers = {"HTTP_ACCEPT": RendererC.media_type}
         resp = self.client.get('/', **headers)
-        expected = "{0}; charset={1}".format(RendererC.media_type, RendererC.charset)
+        expected = "{}; charset={}".format(RendererC.media_type, RendererC.charset)
         self.assertEqual(expected, resp['Content-Type'])
 
     def test_content_type_set_explicitly_on_response(self):
diff --git a/tests/test_reverse.py b/tests/test_reverse.py
index 145b1a54f..9ab1667c5 100644
--- a/tests/test_reverse.py
+++ b/tests/test_reverse.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.conf.urls import url
 from django.test import TestCase, override_settings
 from django.urls import NoReverseMatch
@@ -19,7 +17,7 @@ urlpatterns = [
 ]
 
 
-class MockVersioningScheme(object):
+class MockVersioningScheme:
 
     def __init__(self, raise_error=False):
         self.raise_error = raise_error
diff --git a/tests/test_routers.py b/tests/test_routers.py
index 5a1cfe8f4..0f428e2a5 100644
--- a/tests/test_routers.py
+++ b/tests/test_routers.py
@@ -1,5 +1,4 @@
-from __future__ import unicode_literals
-
+import warnings
 from collections import namedtuple
 
 import pytest
@@ -7,14 +6,16 @@ from django.conf.urls import include, url
 from django.core.exceptions import ImproperlyConfigured
 from django.db import models
 from django.test import TestCase, override_settings
-from django.urls import resolve
+from django.urls import resolve, reverse
 
-from rest_framework import permissions, serializers, viewsets
+from rest_framework import (
+    RemovedInDRF311Warning, permissions, serializers, viewsets
+)
 from rest_framework.compat import get_regex_pattern
-from rest_framework.decorators import detail_route, list_route
+from rest_framework.decorators import action
 from rest_framework.response import Response
 from rest_framework.routers import DefaultRouter, SimpleRouter
-from rest_framework.test import APIRequestFactory
+from rest_framework.test import APIRequestFactory, URLPatternsTestCase
 from rest_framework.utils import json
 
 factory = APIRequestFactory()
@@ -67,12 +68,12 @@ class EmptyPrefixViewSet(viewsets.ModelViewSet):
 
 
 class RegexUrlPathViewSet(viewsets.ViewSet):
-    @list_route(url_path='list/(?P<kwarg>[0-9]{4})')
+    @action(detail=False, url_path='list/(?P<kwarg>[0-9]{4})')
     def regex_url_path_list(self, request, *args, **kwargs):
         kwarg = self.kwargs.get('kwarg', '')
         return Response({'kwarg': kwarg})
 
-    @detail_route(url_path='detail/(?P<kwarg>[0-9]{4})')
+    @action(detail=True, url_path='detail/(?P<kwarg>[0-9]{4})')
     def regex_url_path_detail(self, request, *args, **kwargs):
         pk = self.kwargs.get('pk', '')
         kwarg = self.kwargs.get('kwarg', '')
@@ -86,78 +87,90 @@ kwarged_notes_router = SimpleRouter()
 kwarged_notes_router.register(r'notes', KWargedNoteViewSet)
 
 namespaced_router = DefaultRouter()
-namespaced_router.register(r'example', MockViewSet, base_name='example')
+namespaced_router.register(r'example', MockViewSet, basename='example')
 
 empty_prefix_router = SimpleRouter()
-empty_prefix_router.register(r'', EmptyPrefixViewSet, base_name='empty_prefix')
-empty_prefix_urls = [
-    url(r'^', include(empty_prefix_router.urls)),
-]
+empty_prefix_router.register(r'', EmptyPrefixViewSet, basename='empty_prefix')
 
 regex_url_path_router = SimpleRouter()
-regex_url_path_router.register(r'', RegexUrlPathViewSet, base_name='regex')
-
-urlpatterns = [
-    url(r'^non-namespaced/', include(namespaced_router.urls)),
-    url(r'^namespaced/', include((namespaced_router.urls, 'example'), namespace='example')),
-    url(r'^example/', include(notes_router.urls)),
-    url(r'^example2/', include(kwarged_notes_router.urls)),
-
-    url(r'^empty-prefix/', include(empty_prefix_urls)),
-    url(r'^regex/', include(regex_url_path_router.urls))
-]
+regex_url_path_router.register(r'', RegexUrlPathViewSet, basename='regex')
 
 
 class BasicViewSet(viewsets.ViewSet):
     def list(self, request, *args, **kwargs):
         return Response({'method': 'list'})
 
-    @detail_route(methods=['post'])
+    @action(methods=['post'], detail=True)
     def action1(self, request, *args, **kwargs):
         return Response({'method': 'action1'})
 
-    @detail_route(methods=['post'])
+    @action(methods=['post', 'delete'], detail=True)
     def action2(self, request, *args, **kwargs):
         return Response({'method': 'action2'})
 
-    @detail_route(methods=['post', 'delete'])
-    def action3(self, request, *args, **kwargs):
-        return Response({'method': 'action2'})
+    @action(methods=['post'], detail=True)
+    def action3(self, request, pk, *args, **kwargs):
+        return Response({'post': pk})
 
-    @detail_route()
-    def link1(self, request, *args, **kwargs):
-        return Response({'method': 'link1'})
-
-    @detail_route()
-    def link2(self, request, *args, **kwargs):
-        return Response({'method': 'link2'})
+    @action3.mapping.delete
+    def action3_delete(self, request, pk, *args, **kwargs):
+        return Response({'delete': pk})
 
 
-class TestSimpleRouter(TestCase):
+class TestSimpleRouter(URLPatternsTestCase, TestCase):
+    router = SimpleRouter()
+    router.register('basics', BasicViewSet, basename='basic')
+
+    urlpatterns = [
+        url(r'^api/', include(router.urls)),
+    ]
+
     def setUp(self):
         self.router = SimpleRouter()
 
-    def test_link_and_action_decorator(self):
-        routes = self.router.get_routes(BasicViewSet)
-        decorator_routes = routes[2:]
-        # Make sure all these endpoints exist and none have been clobbered
-        for i, endpoint in enumerate(['action1', 'action2', 'action3', 'link1', 'link2']):
-            route = decorator_routes[i]
-            # check url listing
-            assert route.url == '^{{prefix}}/{{lookup}}/{0}{{trailing_slash}}$'.format(endpoint)
-            # check method to function mapping
-            if endpoint == 'action3':
-                methods_map = ['post', 'delete']
-            elif endpoint.startswith('action'):
-                methods_map = ['post']
-            else:
-                methods_map = ['get']
-            for method in methods_map:
-                assert route.mapping[method] == endpoint
+    def test_action_routes(self):
+        # Get action routes (first two are list/detail)
+        routes = self.router.get_routes(BasicViewSet)[2:]
+
+        assert routes[0].url == '^{prefix}/{lookup}/action1{trailing_slash}$'
+        assert routes[0].mapping == {
+            'post': 'action1',
+        }
+
+        assert routes[1].url == '^{prefix}/{lookup}/action2{trailing_slash}$'
+        assert routes[1].mapping == {
+            'post': 'action2',
+            'delete': 'action2',
+        }
+
+        assert routes[2].url == '^{prefix}/{lookup}/action3{trailing_slash}$'
+        assert routes[2].mapping == {
+            'post': 'action3',
+            'delete': 'action3_delete',
+        }
+
+    def test_multiple_action_handlers(self):
+        # Standard action
+        response = self.client.post(reverse('basic-action3', args=[1]))
+        assert response.data == {'post': '1'}
+
+        # Additional handler registered with MethodMapper
+        response = self.client.delete(reverse('basic-action3', args=[1]))
+        assert response.data == {'delete': '1'}
+
+    def test_register_after_accessing_urls(self):
+        self.router.register(r'notes', NoteViewSet)
+        assert len(self.router.urls) == 2  # list and detail
+        self.router.register(r'notes_bis', NoteViewSet)
+        assert len(self.router.urls) == 4
 
 
-@override_settings(ROOT_URLCONF='tests.test_routers')
-class TestRootView(TestCase):
+class TestRootView(URLPatternsTestCase, TestCase):
+    urlpatterns = [
+        url(r'^non-namespaced/', include(namespaced_router.urls)),
+        url(r'^namespaced/', include((namespaced_router.urls, 'namespaced'), namespace='namespaced')),
+    ]
+
     def test_retrieve_namespaced_root(self):
         response = self.client.get('/namespaced/')
         assert response.data == {"example": "http://testserver/namespaced/example/"}
@@ -167,11 +180,15 @@ class TestRootView(TestCase):
         assert response.data == {"example": "http://testserver/non-namespaced/example/"}
 
 
-@override_settings(ROOT_URLCONF='tests.test_routers')
-class TestCustomLookupFields(TestCase):
+class TestCustomLookupFields(URLPatternsTestCase, TestCase):
     """
     Ensure that custom lookup fields are correctly routed.
     """
+    urlpatterns = [
+        url(r'^example/', include(notes_router.urls)),
+        url(r'^example2/', include(kwarged_notes_router.urls)),
+    ]
+
     def setUp(self):
         RouterTestModel.objects.create(uuid='123', text='foo bar')
         RouterTestModel.objects.create(uuid='a b', text='baz qux')
@@ -219,12 +236,17 @@ class TestLookupValueRegex(TestCase):
 
 
 @override_settings(ROOT_URLCONF='tests.test_routers')
-class TestLookupUrlKwargs(TestCase):
+class TestLookupUrlKwargs(URLPatternsTestCase, TestCase):
     """
     Ensure the router honors lookup_url_kwarg.
 
     Setup a deep lookup_field, but map it to a simple URL kwarg.
     """
+    urlpatterns = [
+        url(r'^example/', include(notes_router.urls)),
+        url(r'^example2/', include(kwarged_notes_router.urls)),
+    ]
+
     def setUp(self):
         RouterTestModel.objects.create(uuid='123', text='foo bar')
 
@@ -297,14 +319,14 @@ class TestActionKeywordArgs(TestCase):
         class TestViewSet(viewsets.ModelViewSet):
             permission_classes = []
 
-            @detail_route(methods=['post'], permission_classes=[permissions.AllowAny])
+            @action(methods=['post'], detail=True, permission_classes=[permissions.AllowAny])
             def custom(self, request, *args, **kwargs):
                 return Response({
                     'permission_classes': self.permission_classes
                 })
 
         self.router = SimpleRouter()
-        self.router.register(r'test', TestViewSet, base_name='test')
+        self.router.register(r'test', TestViewSet, basename='test')
         self.view = self.router.urls[-1].callback
 
     def test_action_kwargs(self):
@@ -315,21 +337,21 @@ class TestActionKeywordArgs(TestCase):
 
 class TestActionAppliedToExistingRoute(TestCase):
     """
-    Ensure `@detail_route` decorator raises an except when applied
+    Ensure `@action` decorator raises an except when applied
     to an existing route
     """
 
     def test_exception_raised_when_action_applied_to_existing_route(self):
         class TestViewSet(viewsets.ModelViewSet):
 
-            @detail_route(methods=['post'])
+            @action(methods=['post'], detail=True)
             def retrieve(self, request, *args, **kwargs):
                 return Response({
                     'hello': 'world'
                 })
 
         self.router = SimpleRouter()
-        self.router.register(r'test', TestViewSet, base_name='test')
+        self.router.register(r'test', TestViewSet, basename='test')
 
         with pytest.raises(ImproperlyConfigured):
             self.router.urls
@@ -339,27 +361,27 @@ class DynamicListAndDetailViewSet(viewsets.ViewSet):
     def list(self, request, *args, **kwargs):
         return Response({'method': 'list'})
 
-    @list_route(methods=['post'])
+    @action(methods=['post'], detail=False)
     def list_route_post(self, request, *args, **kwargs):
         return Response({'method': 'action1'})
 
-    @detail_route(methods=['post'])
+    @action(methods=['post'], detail=True)
     def detail_route_post(self, request, *args, **kwargs):
         return Response({'method': 'action2'})
 
-    @list_route()
+    @action(detail=False)
     def list_route_get(self, request, *args, **kwargs):
         return Response({'method': 'link1'})
 
-    @detail_route()
+    @action(detail=True)
     def detail_route_get(self, request, *args, **kwargs):
         return Response({'method': 'link2'})
 
-    @list_route(url_path="list_custom-route")
+    @action(detail=False, url_path="list_custom-route")
     def list_custom_route_get(self, request, *args, **kwargs):
         return Response({'method': 'link1'})
 
-    @detail_route(url_path="detail_custom-route")
+    @action(detail=True, url_path="detail_custom-route")
     def detail_custom_route_get(self, request, *args, **kwargs):
         return Response({'method': 'link2'})
 
@@ -408,46 +430,129 @@ class TestDynamicListAndDetailRouter(TestCase):
         self._test_list_and_detail_route_decorators(SubDynamicListAndDetailViewSet)
 
 
-@override_settings(ROOT_URLCONF='tests.test_routers')
-class TestEmptyPrefix(TestCase):
+class TestEmptyPrefix(URLPatternsTestCase, TestCase):
+    urlpatterns = [
+        url(r'^empty-prefix/', include(empty_prefix_router.urls)),
+    ]
+
     def test_empty_prefix_list(self):
         response = self.client.get('/empty-prefix/')
         assert response.status_code == 200
-        assert json.loads(response.content.decode('utf-8')) == [{'uuid': '111', 'text': 'First'},
-                                                                {'uuid': '222', 'text': 'Second'}]
+        assert json.loads(response.content.decode()) == [{'uuid': '111', 'text': 'First'},
+                                                         {'uuid': '222', 'text': 'Second'}]
 
     def test_empty_prefix_detail(self):
         response = self.client.get('/empty-prefix/1/')
         assert response.status_code == 200
-        assert json.loads(response.content.decode('utf-8')) == {'uuid': '111', 'text': 'First'}
+        assert json.loads(response.content.decode()) == {'uuid': '111', 'text': 'First'}
 
 
-@override_settings(ROOT_URLCONF='tests.test_routers')
-class TestRegexUrlPath(TestCase):
+class TestRegexUrlPath(URLPatternsTestCase, TestCase):
+    urlpatterns = [
+        url(r'^regex/', include(regex_url_path_router.urls)),
+    ]
+
     def test_regex_url_path_list(self):
         kwarg = '1234'
         response = self.client.get('/regex/list/{}/'.format(kwarg))
         assert response.status_code == 200
-        assert json.loads(response.content.decode('utf-8')) == {'kwarg': kwarg}
+        assert json.loads(response.content.decode()) == {'kwarg': kwarg}
 
     def test_regex_url_path_detail(self):
         pk = '1'
         kwarg = '1234'
         response = self.client.get('/regex/{}/detail/{}/'.format(pk, kwarg))
         assert response.status_code == 200
-        assert json.loads(response.content.decode('utf-8')) == {'pk': pk, 'kwarg': kwarg}
+        assert json.loads(response.content.decode()) == {'pk': pk, 'kwarg': kwarg}
 
 
-@override_settings(ROOT_URLCONF='tests.test_routers')
-class TestViewInitkwargs(TestCase):
+class TestViewInitkwargs(URLPatternsTestCase, TestCase):
+    urlpatterns = [
+        url(r'^example/', include(notes_router.urls)),
+    ]
+
     def test_suffix(self):
         match = resolve('/example/notes/')
         initkwargs = match.func.initkwargs
 
         assert initkwargs['suffix'] == 'List'
 
+    def test_detail(self):
+        match = resolve('/example/notes/')
+        initkwargs = match.func.initkwargs
+
+        assert not initkwargs['detail']
+
     def test_basename(self):
         match = resolve('/example/notes/')
         initkwargs = match.func.initkwargs
 
         assert initkwargs['basename'] == 'routertestmodel'
+
+
+class TestBaseNameRename(TestCase):
+
+    def test_base_name_and_basename_assertion(self):
+        router = SimpleRouter()
+
+        msg = "Do not provide both the `basename` and `base_name` arguments."
+        with warnings.catch_warnings(record=True) as w, \
+                self.assertRaisesMessage(AssertionError, msg):
+            warnings.simplefilter('always')
+            router.register('mock', MockViewSet, 'mock', base_name='mock')
+
+        msg = "The `base_name` argument is pending deprecation in favor of `basename`."
+        assert len(w) == 1
+        assert str(w[0].message) == msg
+
+    def test_base_name_argument_deprecation(self):
+        router = SimpleRouter()
+
+        with pytest.warns(RemovedInDRF311Warning) as w:
+            warnings.simplefilter('always')
+            router.register('mock', MockViewSet, base_name='mock')
+
+        msg = "The `base_name` argument is pending deprecation in favor of `basename`."
+        assert len(w) == 1
+        assert str(w[0].message) == msg
+        assert router.registry == [
+            ('mock', MockViewSet, 'mock'),
+        ]
+
+    def test_basename_argument_no_warnings(self):
+        router = SimpleRouter()
+
+        with warnings.catch_warnings(record=True) as w:
+            warnings.simplefilter('always')
+            router.register('mock', MockViewSet, basename='mock')
+
+        assert len(w) == 0
+        assert router.registry == [
+            ('mock', MockViewSet, 'mock'),
+        ]
+
+    def test_get_default_base_name_deprecation(self):
+        msg = "`CustomRouter.get_default_base_name` method should be renamed `get_default_basename`."
+
+        # Class definition should raise a warning
+        with pytest.warns(RemovedInDRF311Warning) as w:
+            warnings.simplefilter('always')
+
+            class CustomRouter(SimpleRouter):
+                def get_default_base_name(self, viewset):
+                    return 'foo'
+
+        assert len(w) == 1
+        assert str(w[0].message) == msg
+
+        # Deprecated method implementation should still be called
+        with warnings.catch_warnings(record=True) as w:
+            warnings.simplefilter('always')
+
+            router = CustomRouter()
+            router.register('mock', MockViewSet)
+
+        assert len(w) == 0
+        assert router.registry == [
+            ('mock', MockViewSet, 'foo'),
+        ]
diff --git a/tests/test_serializer.py b/tests/test_serializer.py
index da1394515..fab0472b9 100644
--- a/tests/test_serializer.py
+++ b/tests/test_serializer.py
@@ -1,30 +1,23 @@
-# coding: utf-8
-from __future__ import unicode_literals
-
 import inspect
 import pickle
 import re
-import unittest
-from collections import Mapping
+from collections import ChainMap
+from collections.abc import Mapping
 
 import pytest
 from django.db import models
 
-from rest_framework import fields, relations, serializers
-from rest_framework.compat import unicode_repr
+from rest_framework import exceptions, fields, relations, serializers
 from rest_framework.fields import Field
 
+from .models import (
+    ForeignKeyTarget, NestedForeignKeySource, NullableForeignKeySource
+)
 from .utils import MockObject
 
-try:
-    from collections import ChainMap
-except ImportError:
-    ChainMap = False
-
 
 # Test serializer fields imports.
 # -------------------------------
-
 class TestFieldImports:
     def is_field(self, name, value):
         return (
@@ -128,7 +121,6 @@ class TestSerializer:
         assert not serializer.is_valid()
         assert serializer.errors == {'non_field_errors': ['No data provided']}
 
-    @unittest.skipUnless(ChainMap, 'requires python 3.3')
     def test_serialize_chainmap(self):
         data = ChainMap({'char': 'abc'}, {'integer': 123})
         serializer = self.Serializer(data=data)
@@ -153,6 +145,65 @@ class TestSerializer:
         assert serializer.validated_data == {'char': 'abc', 'integer': 123}
         assert serializer.errors == {}
 
+    def test_custom_to_internal_value(self):
+        """
+        to_internal_value() is expected to return a dict, but subclasses may
+        return application specific type.
+        """
+        class Point:
+            def __init__(self, srid, x, y):
+                self.srid = srid
+                self.coords = (x, y)
+
+        # Declares a serializer that converts data into an object
+        class NestedPointSerializer(serializers.Serializer):
+            longitude = serializers.FloatField(source='x')
+            latitude = serializers.FloatField(source='y')
+
+            def to_internal_value(self, data):
+                kwargs = super().to_internal_value(data)
+                return Point(srid=4326, **kwargs)
+
+        serializer = NestedPointSerializer(data={'longitude': 6.958307, 'latitude': 50.941357})
+        assert serializer.is_valid()
+        assert isinstance(serializer.validated_data, Point)
+        assert serializer.validated_data.srid == 4326
+        assert serializer.validated_data.coords[0] == 6.958307
+        assert serializer.validated_data.coords[1] == 50.941357
+        assert serializer.errors == {}
+
+    def test_iterable_validators(self):
+        """
+        Ensure `validators` parameter is compatible with reasonable iterables.
+        """
+        data = {'char': 'abc', 'integer': 123}
+
+        for validators in ([], (), set()):
+            class ExampleSerializer(serializers.Serializer):
+                char = serializers.CharField(validators=validators)
+                integer = serializers.IntegerField()
+
+            serializer = ExampleSerializer(data=data)
+            assert serializer.is_valid()
+            assert serializer.validated_data == data
+            assert serializer.errors == {}
+
+        def raise_exception(value):
+            raise exceptions.ValidationError('Raised error')
+
+        for validators in ([raise_exception], (raise_exception,), {raise_exception}):
+            class ExampleSerializer(serializers.Serializer):
+                char = serializers.CharField(validators=validators)
+                integer = serializers.IntegerField()
+
+            serializer = ExampleSerializer(data=data)
+            assert not serializer.is_valid()
+            assert serializer.data == data
+            assert serializer.validated_data == {}
+            assert serializer.errors == {'char': [
+                exceptions.ErrorDetail(string='Raised error', code='invalid')
+            ]}
+
 
 class TestValidateMethod:
     def test_non_field_error_validate_method(self):
@@ -266,7 +317,8 @@ class TestBaseSerializer:
 
 class TestStarredSource:
     """
-    Tests for `source='*'` argument, which is used for nested representations.
+    Tests for `source='*'` argument, which is often used for complex field or
+    nested representations.
 
     For example:
 
@@ -286,11 +338,28 @@ class TestStarredSource:
             c = serializers.IntegerField()
             d = serializers.IntegerField()
 
-        class TestSerializer(serializers.Serializer):
+        class NestedBaseSerializer(serializers.Serializer):
             nested1 = NestedSerializer1(source='*')
             nested2 = NestedSerializer2(source='*')
 
-        self.Serializer = TestSerializer
+        # nullable nested serializer testing
+        class NullableNestedSerializer(serializers.Serializer):
+            nested = NestedSerializer1(source='*', allow_null=True)
+
+        # nullable custom field testing
+        class CustomField(serializers.Field):
+            def to_representation(self, instance):
+                return getattr(instance, 'foo', None)
+
+            def to_internal_value(self, data):
+                return {'foo': data}
+
+        class NullableFieldSerializer(serializers.Serializer):
+            field = CustomField(source='*', allow_null=True)
+
+        self.Serializer = NestedBaseSerializer
+        self.NullableNestedSerializer = NullableNestedSerializer
+        self.NullableFieldSerializer = NullableFieldSerializer
 
     def test_nested_validate(self):
         """
@@ -305,6 +374,12 @@ class TestStarredSource:
             'd': 4
         }
 
+    def test_nested_null_validate(self):
+        serializer = self.NullableNestedSerializer(data={'nested': None})
+
+        # validation should fail (but not error) since nested fields are required
+        assert not serializer.is_valid()
+
     def test_nested_serialize(self):
         """
         An object can be serialized into a nested representation.
@@ -313,6 +388,20 @@ class TestStarredSource:
         serializer = self.Serializer(instance)
         assert serializer.data == self.data
 
+    def test_field_validate(self):
+        serializer = self.NullableFieldSerializer(data={'field': 'bar'})
+
+        # validation should pass since no internal validation
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'foo': 'bar'}
+
+    def test_field_null_validate(self):
+        serializer = self.NullableFieldSerializer(data={'field': None})
+
+        # validation should pass since no internal validation
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'foo': None}
+
 
 class TestIncorrectlyConfigured:
     def test_incorrect_field_name(self):
@@ -335,23 +424,6 @@ class TestIncorrectlyConfigured:
         )
 
 
-class TestUnicodeRepr:
-    def test_unicode_repr(self):
-        class ExampleSerializer(serializers.Serializer):
-            example = serializers.CharField()
-
-        class ExampleObject:
-            def __init__(self):
-                self.example = '한국'
-
-            def __repr__(self):
-                return unicode_repr(self.example)
-
-        instance = ExampleObject()
-        serializer = ExampleSerializer(instance)
-        repr(serializer)  # Should not error.
-
-
 class TestNotRequiredOutput:
     def test_not_required_output_for_dict(self):
         """
@@ -381,14 +453,6 @@ class TestNotRequiredOutput:
         serializer.save()
         assert serializer.data == {'included': 'abc'}
 
-    def test_not_required_output_for_allow_null_field(self):
-        class ExampleSerializer(serializers.Serializer):
-            omitted = serializers.CharField(required=False, allow_null=True)
-            included = serializers.CharField()
-
-        serializer = ExampleSerializer({'included': 'abc'})
-        assert 'omitted' not in serializer.data
-
 
 class TestDefaultOutput:
     def setup(self):
@@ -453,6 +517,22 @@ class TestDefaultOutput:
 
         assert Serializer({'a': {'b': {'c': 'abc'}}}).data == {'c': 'abc'}
 
+        # Same test using model objects to exercise both paths in
+        # rest_framework.fields.get_attribute() (#5880)
+        class ModelSerializer(serializers.Serializer):
+            target = serializers.CharField(default='x', source='target.target.name')
+
+        a = NestedForeignKeySource(name="Root Object", target=None)
+        assert ModelSerializer(a).data == {'target': 'x'}
+
+        b = NullableForeignKeySource(name="Intermediary Object", target=None)
+        a.target = b
+        assert ModelSerializer(a).data == {'target': 'x'}
+
+        c = ForeignKeyTarget(name="Target Object")
+        b.target = c
+        assert ModelSerializer(a).data == {'target': 'Target Object'}
+
     def test_default_for_nested_serializer(self):
         class NestedSerializer(serializers.Serializer):
             a = serializers.CharField(default='1')
@@ -467,12 +547,16 @@ class TestDefaultOutput:
         assert Serializer({'nested': {'a': '3', 'b': {'c': '4'}}}).data == {'nested': {'a': '3', 'c': '4'}}
 
     def test_default_for_allow_null(self):
-        # allow_null=True should imply default=None
+        """
+        Without an explicit default, allow_null implies default=None when serializing. #5518 #5708
+        """
         class Serializer(serializers.Serializer):
             foo = serializers.CharField()
             bar = serializers.CharField(source='foo.bar', allow_null=True)
+            optional = serializers.CharField(required=False, allow_null=True)
 
-        assert Serializer({'foo': None}).data == {'foo': None, 'bar': None}
+        # allow_null=True should imply default=None when serializing:
+        assert Serializer({'foo': None}).data == {'foo': None, 'bar': None, 'optional': None, }
 
 
 class TestCacheSerializerData:
@@ -494,7 +578,7 @@ class TestCacheSerializerData:
 class TestDefaultInclusions:
     def setup(self):
         class ExampleSerializer(serializers.Serializer):
-            char = serializers.CharField(read_only=True, default='abc')
+            char = serializers.CharField(default='abc')
             integer = serializers.IntegerField()
         self.Serializer = ExampleSerializer
 
@@ -536,7 +620,7 @@ class Test2555Regression:
     def test_serializer_context(self):
         class NestedSerializer(serializers.Serializer):
             def __init__(self, *args, **kwargs):
-                super(NestedSerializer, self).__init__(*args, **kwargs)
+                super().__init__(*args, **kwargs)
                 # .context should not cache
                 self.context
 
diff --git a/tests/test_serializer_bulk_update.py b/tests/test_serializer_bulk_update.py
index d9e5d7978..0465578bb 100644
--- a/tests/test_serializer_bulk_update.py
+++ b/tests/test_serializer_bulk_update.py
@@ -1,10 +1,7 @@
 """
 Tests to cover bulk create and update using serializers.
 """
-from __future__ import unicode_literals
-
 from django.test import TestCase
-from django.utils import six
 
 from rest_framework import serializers
 
@@ -87,8 +84,7 @@ class BulkCreateSerializerTests(TestCase):
         serializer = self.BookSerializer(data=data, many=True)
         assert serializer.is_valid() is False
 
-        text_type_string = six.text_type.__name__
-        message = 'Invalid data. Expected a dictionary, but got %s.' % text_type_string
+        message = 'Invalid data. Expected a dictionary, but got str.'
         expected_errors = [
             {'non_field_errors': [message]},
             {'non_field_errors': [message]},
diff --git a/tests/test_serializer_lists.py b/tests/test_serializer_lists.py
index a7955d83c..98e72385a 100644
--- a/tests/test_serializer_lists.py
+++ b/tests/test_serializer_lists.py
@@ -1,6 +1,9 @@
+import pytest
+from django.http import QueryDict
 from django.utils.datastructures import MultiValueDict
 
 from rest_framework import serializers
+from rest_framework.exceptions import ErrorDetail
 
 
 class BasicObject:
@@ -15,7 +18,7 @@ class BasicObject:
     def __eq__(self, other):
         if self._data.keys() != other._data.keys():
             return False
-        for key in self._data.keys():
+        for key in self._data:
             if self._data[key] != other._data[key]:
                 return False
         return True
@@ -222,6 +225,49 @@ class TestNestedListSerializer:
         assert serializer.validated_data == expected_output
 
 
+class TestNestedListSerializerAllowEmpty:
+    """Tests the behaviour of allow_empty=False when a ListSerializer is used as a field."""
+
+    @pytest.mark.parametrize('partial', (False, True))
+    def test_allow_empty_true(self, partial):
+        """
+        If allow_empty is True, empty lists should be allowed regardless of the value
+        of partial on the parent serializer.
+        """
+        class ChildSerializer(serializers.Serializer):
+            id = serializers.IntegerField()
+
+        class ParentSerializer(serializers.Serializer):
+            ids = ChildSerializer(many=True, allow_empty=True)
+
+        serializer = ParentSerializer(data={'ids': []}, partial=partial)
+        assert serializer.is_valid()
+        assert serializer.validated_data == {
+            'ids': [],
+        }
+
+    @pytest.mark.parametrize('partial', (False, True))
+    def test_allow_empty_false(self, partial):
+        """
+        If allow_empty is False, empty lists should fail validation regardless of the value
+        of partial on the parent serializer.
+        """
+        class ChildSerializer(serializers.Serializer):
+            id = serializers.IntegerField()
+
+        class ParentSerializer(serializers.Serializer):
+            ids = ChildSerializer(many=True, allow_empty=False)
+
+        serializer = ParentSerializer(data={'ids': []}, partial=partial)
+        assert not serializer.is_valid()
+        assert serializer.errors == {
+            'ids': {
+                'non_field_errors': [
+                    ErrorDetail(string='This list may not be empty.', code='empty')],
+            }
+        }
+
+
 class TestNestedListOfListsSerializer:
     def setup(self):
         class TestSerializer(serializers.Serializer):
@@ -532,3 +578,32 @@ class TestSerializerPartialUsage:
                 assert value == updated_data_list[index][key]
 
         assert serializer.errors == {}
+
+
+class TestEmptyListSerializer:
+    """
+    Tests the behaviour of ListSerializers when there is no data passed to it
+    """
+
+    def setup(self):
+        class ExampleListSerializer(serializers.ListSerializer):
+            child = serializers.IntegerField()
+
+        self.Serializer = ExampleListSerializer
+
+    def test_nested_serializer_with_list_json(self):
+        # pass an empty array to the serializer
+        input_data = []
+
+        serializer = self.Serializer(data=input_data)
+
+        assert serializer.is_valid()
+        assert serializer.validated_data == []
+
+    def test_nested_serializer_with_list_multipart(self):
+        # pass an "empty" QueryDict to the serializer (should be the same as an empty array)
+        input_data = QueryDict('')
+        serializer = self.Serializer(data=input_data)
+
+        assert serializer.is_valid()
+        assert serializer.validated_data == []
diff --git a/tests/test_serializer_nested.py b/tests/test_serializer_nested.py
index 09b8dd105..a614e05d1 100644
--- a/tests/test_serializer_nested.py
+++ b/tests/test_serializer_nested.py
@@ -1,6 +1,11 @@
+import pytest
+from django.db import models
 from django.http import QueryDict
+from django.test import TestCase
 
 from rest_framework import serializers
+from rest_framework.compat import postgres_fields
+from rest_framework.serializers import raise_errors_on_nested_writes
 
 
 class TestNestedSerializer:
@@ -202,3 +207,147 @@ class TestNestedSerializerWithList:
 
         assert serializer.is_valid()
         assert serializer.validated_data['nested']['example'] == {1, 2}
+
+
+class TestNotRequiredNestedSerializerWithMany:
+    def setup(self):
+        class NestedSerializer(serializers.Serializer):
+            one = serializers.IntegerField(max_value=10)
+
+        class TestSerializer(serializers.Serializer):
+            nested = NestedSerializer(required=False, many=True)
+
+        self.Serializer = TestSerializer
+
+    def test_json_validate(self):
+        input_data = {}
+        serializer = self.Serializer(data=input_data)
+
+        # request is empty, therefor 'nested' should not be in serializer.data
+        assert serializer.is_valid()
+        assert 'nested' not in serializer.validated_data
+
+        input_data = {'nested': [{'one': '1'}, {'one': 2}]}
+        serializer = self.Serializer(data=input_data)
+        assert serializer.is_valid()
+        assert 'nested' in serializer.validated_data
+
+    def test_multipart_validate(self):
+        # leave querydict empty
+        input_data = QueryDict('')
+        serializer = self.Serializer(data=input_data)
+
+        # the querydict is empty, therefor 'nested' should not be in serializer.data
+        assert serializer.is_valid()
+        assert 'nested' not in serializer.validated_data
+
+        input_data = QueryDict('nested[0]one=1&nested[1]one=2')
+
+        serializer = self.Serializer(data=input_data)
+        assert serializer.is_valid()
+        assert 'nested' in serializer.validated_data
+
+
+class NestedWriteProfile(models.Model):
+    address = models.CharField(max_length=100)
+
+
+class NestedWritePerson(models.Model):
+    profile = models.ForeignKey(NestedWriteProfile, on_delete=models.CASCADE)
+
+
+class TestNestedWriteErrors(TestCase):
+    # tests for rests_framework.serializers.raise_errors_on_nested_writes
+    def test_nested_serializer_error(self):
+        class ProfileSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = NestedWriteProfile
+                fields = ['address']
+
+        class NestedProfileSerializer(serializers.ModelSerializer):
+            profile = ProfileSerializer()
+
+            class Meta:
+                model = NestedWritePerson
+                fields = ['profile']
+
+        serializer = NestedProfileSerializer(data={'profile': {'address': '52 festive road'}})
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'profile': {'address': '52 festive road'}}
+        with pytest.raises(AssertionError) as exc_info:
+            serializer.save()
+
+        assert str(exc_info.value) == (
+            'The `.create()` method does not support writable nested fields by '
+            'default.\nWrite an explicit `.create()` method for serializer '
+            '`tests.test_serializer_nested.NestedProfileSerializer`, or set '
+            '`read_only=True` on nested serializer fields.'
+        )
+
+    def test_dotted_source_field_error(self):
+        class DottedAddressSerializer(serializers.ModelSerializer):
+            address = serializers.CharField(source='profile.address')
+
+            class Meta:
+                model = NestedWritePerson
+                fields = ['address']
+
+        serializer = DottedAddressSerializer(data={'address': '52 festive road'})
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'profile': {'address': '52 festive road'}}
+        with pytest.raises(AssertionError) as exc_info:
+            serializer.save()
+
+        assert str(exc_info.value) == (
+            'The `.create()` method does not support writable dotted-source '
+            'fields by default.\nWrite an explicit `.create()` method for '
+            'serializer `tests.test_serializer_nested.DottedAddressSerializer`, '
+            'or set `read_only=True` on dotted-source serializer fields.'
+        )
+
+
+if postgres_fields:
+    class NonRelationalPersonModel(models.Model):
+        """Model declaring a postgres JSONField"""
+        data = postgres_fields.JSONField()
+
+
+@pytest.mark.skipif(not postgres_fields, reason='psycopg2 is not installed')
+class TestNestedNonRelationalFieldWrite:
+    """
+    Test that raise_errors_on_nested_writes does not raise `AssertionError` when the
+    model field is not a relation.
+    """
+
+    def test_nested_serializer_create_and_update(self):
+
+        class NonRelationalPersonDataSerializer(serializers.Serializer):
+            occupation = serializers.CharField()
+
+        class NonRelationalPersonSerializer(serializers.ModelSerializer):
+            data = NonRelationalPersonDataSerializer()
+
+            class Meta:
+                model = NonRelationalPersonModel
+                fields = ['data']
+
+        serializer = NonRelationalPersonSerializer(data={'data': {'occupation': 'developer'}})
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'data': {'occupation': 'developer'}}
+        raise_errors_on_nested_writes('create', serializer, serializer.validated_data)
+        raise_errors_on_nested_writes('update', serializer, serializer.validated_data)
+
+    def test_dotted_source_field_create_and_update(self):
+
+        class DottedNonRelationalPersonSerializer(serializers.ModelSerializer):
+            occupation = serializers.CharField(source='data.occupation')
+
+            class Meta:
+                model = NonRelationalPersonModel
+                fields = ['occupation']
+
+        serializer = DottedNonRelationalPersonSerializer(data={'occupation': 'developer'})
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'data': {'occupation': 'developer'}}
+        raise_errors_on_nested_writes('create', serializer, serializer.validated_data)
+        raise_errors_on_nested_writes('update', serializer, serializer.validated_data)
diff --git a/tests/test_settings.py b/tests/test_settings.py
index 9ba552d28..b78125ff9 100644
--- a/tests/test_settings.py
+++ b/tests/test_settings.py
@@ -1,8 +1,6 @@
-from __future__ import unicode_literals
+from django.test import TestCase, override_settings
 
-from django.test import TestCase
-
-from rest_framework.settings import APISettings
+from rest_framework.settings import APISettings, api_settings
 
 
 class TestSettings(TestCase):
@@ -28,6 +26,23 @@ class TestSettings(TestCase):
                 'MAX_PAGINATE_BY': 100
             })
 
+    def test_compatibility_with_override_settings(self):
+        """
+        Ref #5658 & #2466: Documented usage of api_settings
+        is bound at import time:
+
+            from rest_framework.settings import api_settings
+
+        setting_changed signal hook must ensure bound instance
+        is refreshed.
+        """
+        assert api_settings.PAGE_SIZE is None, "Checking a known default should be None"
+
+        with override_settings(REST_FRAMEWORK={'PAGE_SIZE': 10}):
+            assert api_settings.PAGE_SIZE == 10, "Setting should have been updated"
+
+        assert api_settings.PAGE_SIZE is None, "Setting should have been restored"
+
 
 class TestSettingTypes(TestCase):
     def test_settings_consistently_coerced_to_list(self):
diff --git a/tests/test_status.py b/tests/test_status.py
index 1cd6e229e..07d893bee 100644
--- a/tests/test_status.py
+++ b/tests/test_status.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.test import TestCase
 
 from rest_framework.status import (
diff --git a/tests/test_templates.py b/tests/test_templates.py
new file mode 100644
index 000000000..0dba78ea2
--- /dev/null
+++ b/tests/test_templates.py
@@ -0,0 +1,17 @@
+import re
+
+from django.shortcuts import render
+
+
+def test_base_template_with_context():
+    context = {'request': True, 'csrf_token': 'TOKEN'}
+    result = render({}, 'rest_framework/base.html', context=context)
+    assert re.search(r'\bcsrfToken: "TOKEN"', result.content.decode())
+
+
+def test_base_template_with_no_context():
+    # base.html should be renderable with no context,
+    # so it can be easily extended.
+    result = render({}, 'rest_framework/base.html')
+    # note that this response will not include a valid CSRF token
+    assert re.search(r'\bcsrfToken: ""', result.content.decode())
diff --git a/tests/test_templatetags.py b/tests/test_templatetags.py
index dfbd5d9de..28d6b4011 100644
--- a/tests/test_templatetags.py
+++ b/tests/test_templatetags.py
@@ -1,8 +1,6 @@
-# encoding: utf-8
-from __future__ import unicode_literals
-
 import unittest
 
+from django.template import Context, Template
 from django.test import TestCase
 
 from rest_framework.compat import coreapi, coreschema
@@ -224,7 +222,7 @@ class TemplateTagTests(TestCase):
         assert result == ''
 
     def test_get_pagination_html(self):
-        class MockPager(object):
+        class MockPager:
             def __init__(self):
                 self.called = False
 
@@ -304,6 +302,25 @@ class URLizerTests(TestCase):
             '&quot;foo_set&quot;: [\n    &quot;<a href="http://api/foos/1/">http://api/foos/1/</a>&quot;\n], '
         self._urlize_dict_check(data)
 
+    def test_template_render_with_autoescape(self):
+        """
+        Test that HTML is correctly escaped in Browsable API views.
+        """
+        template = Template("{% load rest_framework %}{{ content|urlize_quoted_links }}")
+        rendered = template.render(Context({'content': '<script>alert()</script> http://example.com'}))
+        assert rendered == '&lt;script&gt;alert()&lt;/script&gt;' \
+                           ' <a href="http://example.com" rel="nofollow">http://example.com</a>'
+
+    def test_template_render_with_noautoescape(self):
+        """
+        Test if the autoescape value is getting passed to urlize_quoted_links filter.
+        """
+        template = Template("{% load rest_framework %}"
+                            "{% autoescape off %}{{ content|urlize_quoted_links }}"
+                            "{% endautoescape %}")
+        rendered = template.render(Context({'content': '<b> "http://example.com" </b>'}))
+        assert rendered == '<b> "<a href="http://example.com" rel="nofollow">http://example.com</a>" </b>'
+
 
 @unittest.skipUnless(coreapi, 'coreapi is not installed')
 class SchemaLinksTests(TestCase):
@@ -320,7 +337,7 @@ class SchemaLinksTests(TestCase):
         )
         section = schema['users']
         flat_links = schema_links(section)
-        assert len(flat_links) is 0
+        assert len(flat_links) == 0
 
     def test_single_action(self):
         schema = coreapi.Document(
@@ -338,7 +355,7 @@ class SchemaLinksTests(TestCase):
         )
         section = schema['users']
         flat_links = schema_links(section)
-        assert len(flat_links) is 1
+        assert len(flat_links) == 1
         assert 'list' in flat_links
 
     def test_default_actions(self):
@@ -376,7 +393,7 @@ class SchemaLinksTests(TestCase):
         )
         section = schema['users']
         flat_links = schema_links(section)
-        assert len(flat_links) is 4
+        assert len(flat_links) == 4
         assert 'list' in flat_links
         assert 'create' in flat_links
         assert 'read' in flat_links
@@ -424,7 +441,7 @@ class SchemaLinksTests(TestCase):
         )
         section = schema['users']
         flat_links = schema_links(section)
-        assert len(flat_links) is 5
+        assert len(flat_links) == 5
         assert 'list' in flat_links
         assert 'create' in flat_links
         assert 'read' in flat_links
@@ -482,7 +499,7 @@ class SchemaLinksTests(TestCase):
         )
         section = schema['users']
         flat_links = schema_links(section)
-        assert len(flat_links) is 6
+        assert len(flat_links) == 6
         assert 'list' in flat_links
         assert 'create' in flat_links
         assert 'read' in flat_links
@@ -523,7 +540,7 @@ class SchemaLinksTests(TestCase):
                             ]
                         ),
                         'create': coreapi.Link(
-                            url='/aniamls/cat',
+                            url='/animals/cat',
                             action='post',
                             fields=[]
                         )
@@ -533,7 +550,7 @@ class SchemaLinksTests(TestCase):
         )
         section = schema['animals']
         flat_links = schema_links(section)
-        assert len(flat_links) is 4
+        assert len(flat_links) == 4
         assert 'cat > create' in flat_links
         assert 'cat > list' in flat_links
         assert 'dog > read' in flat_links
@@ -572,7 +589,7 @@ class SchemaLinksTests(TestCase):
                             ]
                         ),
                         'create': coreapi.Link(
-                            url='/aniamls/cat',
+                            url='/animals/cat',
                             action='post',
                             fields=[]
                         )
@@ -602,7 +619,7 @@ class SchemaLinksTests(TestCase):
         )
         section = schema['animals']
         flat_links = schema_links(section)
-        assert len(flat_links) is 4
+        assert len(flat_links) == 4
         assert 'cat > create' in flat_links
         assert 'cat > list' in flat_links
         assert 'dog > read' in flat_links
@@ -610,6 +627,6 @@ class SchemaLinksTests(TestCase):
 
         section = schema['farmers']
         flat_links = schema_links(section)
-        assert len(flat_links) is 2
+        assert len(flat_links) == 2
         assert 'silo > list' in flat_links
         assert 'silo > soy > list' in flat_links
diff --git a/tests/test_testing.py b/tests/test_testing.py
index 1af6ef02e..8094bfd8d 100644
--- a/tests/test_testing.py
+++ b/tests/test_testing.py
@@ -1,6 +1,3 @@
-# encoding: utf-8
-from __future__ import unicode_literals
-
 from io import BytesIO
 
 from django.conf.urls import url
@@ -12,7 +9,7 @@ from rest_framework import fields, serializers
 from rest_framework.decorators import api_view
 from rest_framework.response import Response
 from rest_framework.test import (
-    APIClient, APIRequestFactory, force_authenticate
+    APIClient, APIRequestFactory, URLPatternsTestCase, force_authenticate
 )
 
 
@@ -283,3 +280,30 @@ class TestAPIRequestFactory(TestCase):
             content_type='application/json',
         )
         assert request.META['CONTENT_TYPE'] == 'application/json'
+
+
+class TestUrlPatternTestCase(URLPatternsTestCase):
+    urlpatterns = [
+        url(r'^$', view),
+    ]
+
+    @classmethod
+    def setUpClass(cls):
+        assert urlpatterns is not cls.urlpatterns
+        super().setUpClass()
+        assert urlpatterns is cls.urlpatterns
+
+    @classmethod
+    def tearDownClass(cls):
+        assert urlpatterns is cls.urlpatterns
+        super().tearDownClass()
+        assert urlpatterns is not cls.urlpatterns
+
+    def test_urlpatterns(self):
+        assert self.client.get('/').status_code == 200
+
+
+class TestExistingPatterns(TestCase):
+    def test_urlpatterns(self):
+        # sanity test to ensure that this test module does not have a '/' route
+        assert self.client.get('/').status_code == 404
diff --git a/tests/test_throttling.py b/tests/test_throttling.py
index b220a33a6..d5a61232d 100644
--- a/tests/test_throttling.py
+++ b/tests/test_throttling.py
@@ -1,7 +1,6 @@
 """
 Tests for the throttling implementations in the permissions module.
 """
-from __future__ import unicode_literals
 
 import pytest
 from django.contrib.auth.models import User
@@ -31,6 +30,11 @@ class User3MinRateThrottle(UserRateThrottle):
     scope = 'minutes'
 
 
+class User6MinRateThrottle(UserRateThrottle):
+    rate = '6/min'
+    scope = 'minutes'
+
+
 class NonTimeThrottle(BaseThrottle):
     def allow_request(self, request, view):
         if not hasattr(self.__class__, 'called'):
@@ -39,6 +43,13 @@ class NonTimeThrottle(BaseThrottle):
         return False
 
 
+class MockView_DoubleThrottling(APIView):
+    throttle_classes = (User3SecRateThrottle, User6MinRateThrottle,)
+
+    def get(self, request):
+        return Response('foo')
+
+
 class MockView(APIView):
     throttle_classes = (User3SecRateThrottle,)
 
@@ -81,7 +92,8 @@ class ThrottlingTests(TestCase):
         """
         Explicitly set the timer, overriding time.time()
         """
-        view.throttle_classes[0].timer = lambda self: value
+        for cls in view.throttle_classes:
+            cls.timer = lambda self: value
 
     def test_request_throttling_expires(self):
         """
@@ -116,6 +128,58 @@ class ThrottlingTests(TestCase):
         """
         self.ensure_is_throttled(MockView, 200)
 
+    def test_request_throttling_multiple_throttles(self):
+        """
+        Ensure all throttle classes see each request even when the request is
+        already being throttled
+        """
+        self.set_throttle_timer(MockView_DoubleThrottling, 0)
+        request = self.factory.get('/')
+        for dummy in range(4):
+            response = MockView_DoubleThrottling.as_view()(request)
+        assert response.status_code == 429
+        assert int(response['retry-after']) == 1
+
+        # At this point our client made 4 requests (one was throttled) in a
+        # second. If we advance the timer by one additional second, the client
+        # should be allowed to make 2 more before being throttled by the 2nd
+        # throttle class, which has a limit of 6 per minute.
+        self.set_throttle_timer(MockView_DoubleThrottling, 1)
+        for dummy in range(2):
+            response = MockView_DoubleThrottling.as_view()(request)
+            assert response.status_code == 200
+
+        response = MockView_DoubleThrottling.as_view()(request)
+        assert response.status_code == 429
+        assert int(response['retry-after']) == 59
+
+        # Just to make sure check again after two more seconds.
+        self.set_throttle_timer(MockView_DoubleThrottling, 2)
+        response = MockView_DoubleThrottling.as_view()(request)
+        assert response.status_code == 429
+        assert int(response['retry-after']) == 58
+
+    def test_throttle_rate_change_negative(self):
+        self.set_throttle_timer(MockView_DoubleThrottling, 0)
+        request = self.factory.get('/')
+        for dummy in range(24):
+            response = MockView_DoubleThrottling.as_view()(request)
+        assert response.status_code == 429
+        assert int(response['retry-after']) == 60
+
+        previous_rate = User3SecRateThrottle.rate
+        try:
+            User3SecRateThrottle.rate = '1/sec'
+
+            for dummy in range(24):
+                response = MockView_DoubleThrottling.as_view()(request)
+
+            assert response.status_code == 429
+            assert int(response['retry-after']) == 60
+        finally:
+            # reset
+            User3SecRateThrottle.rate = previous_rate
+
     def ensure_response_header_contains_proper_throttle_field(self, view, expected_headers):
         """
         Ensure the response returns an Retry-After field with status and next attributes
@@ -296,7 +360,7 @@ class ScopedRateThrottleTests(TestCase):
             assert response.status_code == 200
 
     def test_get_cache_key_returns_correct_key_if_user_is_authenticated(self):
-        class DummyView(object):
+        class DummyView:
             throttle_scope = 'user'
 
         request = Request(HttpRequest())
diff --git a/tests/test_urlpatterns.py b/tests/test_urlpatterns.py
index e84465141..25cc0032e 100644
--- a/tests/test_urlpatterns.py
+++ b/tests/test_urlpatterns.py
@@ -1,12 +1,11 @@
-from __future__ import unicode_literals
-
+import unittest
 from collections import namedtuple
 
 from django.conf.urls import include, url
 from django.test import TestCase
 from django.urls import Resolver404
 
-from rest_framework.compat import make_url_resolver
+from rest_framework.compat import make_url_resolver, path, re_path
 from rest_framework.test import APIRequestFactory
 from rest_framework.urlpatterns import format_suffix_patterns
 
@@ -23,41 +22,29 @@ class FormatSuffixTests(TestCase):
     Tests `format_suffix_patterns` against different URLPatterns to ensure the
     URLs still resolve properly, including any captured parameters.
     """
-    def _resolve_urlpatterns(self, urlpatterns, test_paths):
+    def _resolve_urlpatterns(self, urlpatterns, test_paths, allowed=None):
         factory = APIRequestFactory()
         try:
-            urlpatterns = format_suffix_patterns(urlpatterns)
+            urlpatterns = format_suffix_patterns(urlpatterns, allowed=allowed)
         except Exception:
             self.fail("Failed to apply `format_suffix_patterns` on  the supplied urlpatterns")
         resolver = make_url_resolver(r'^/', urlpatterns)
         for test_path in test_paths:
-            request = factory.get(test_path.path)
             try:
-                callback, callback_args, callback_kwargs = resolver.resolve(request.path_info)
-            except Exception:
-                self.fail("Failed to resolve URL: %s" % request.path_info)
-            assert callback_args == test_path.args
-            assert callback_kwargs == test_path.kwargs
+                test_path, expected_resolved = test_path
+            except (TypeError, ValueError):
+                expected_resolved = True
 
-    def test_trailing_slash(self):
-        factory = APIRequestFactory()
-        urlpatterns = format_suffix_patterns([
-            url(r'^test/$', dummy_view),
-        ])
-        resolver = make_url_resolver(r'^/', urlpatterns)
-
-        test_paths = [
-            (URLTestPath('/test.api', (), {'format': 'api'}), True),
-            (URLTestPath('/test/.api', (), {'format': 'api'}), False),
-            (URLTestPath('/test.api/', (), {'format': 'api'}), True),
-        ]
-
-        for test_path, expected_resolved in test_paths:
             request = factory.get(test_path.path)
             try:
                 callback, callback_args, callback_kwargs = resolver.resolve(request.path_info)
             except Resolver404:
                 callback, callback_args, callback_kwargs = (None, None, None)
+                if expected_resolved:
+                    raise
+            except Exception:
+                self.fail("Failed to resolve URL: %s" % request.path_info)
+
             if not expected_resolved:
                 assert callback is None
                 continue
@@ -65,10 +52,28 @@ class FormatSuffixTests(TestCase):
             assert callback_args == test_path.args
             assert callback_kwargs == test_path.kwargs
 
-    def test_format_suffix(self):
-        urlpatterns = [
-            url(r'^test$', dummy_view),
+    def _test_trailing_slash(self, urlpatterns):
+        test_paths = [
+            (URLTestPath('/test.api', (), {'format': 'api'}), True),
+            (URLTestPath('/test/.api', (), {'format': 'api'}), False),
+            (URLTestPath('/test.api/', (), {'format': 'api'}), True),
         ]
+        self._resolve_urlpatterns(urlpatterns, test_paths)
+
+    def test_trailing_slash(self):
+        urlpatterns = [
+            url(r'^test/$', dummy_view),
+        ]
+        self._test_trailing_slash(urlpatterns)
+
+    @unittest.skipUnless(path, 'needs Django 2')
+    def test_trailing_slash_django2(self):
+        urlpatterns = [
+            path('test/', dummy_view),
+        ]
+        self._test_trailing_slash(urlpatterns)
+
+    def _test_format_suffix(self, urlpatterns):
         test_paths = [
             URLTestPath('/test', (), {}),
             URLTestPath('/test.api', (), {'format': 'api'}),
@@ -76,10 +81,36 @@ class FormatSuffixTests(TestCase):
         ]
         self._resolve_urlpatterns(urlpatterns, test_paths)
 
-    def test_default_args(self):
+    def test_format_suffix(self):
         urlpatterns = [
-            url(r'^test$', dummy_view, {'foo': 'bar'}),
+            url(r'^test$', dummy_view),
         ]
+        self._test_format_suffix(urlpatterns)
+
+    @unittest.skipUnless(path, 'needs Django 2')
+    def test_format_suffix_django2(self):
+        urlpatterns = [
+            path('test', dummy_view),
+        ]
+        self._test_format_suffix(urlpatterns)
+
+    @unittest.skipUnless(path, 'needs Django 2')
+    def test_format_suffix_django2_args(self):
+        urlpatterns = [
+            path('convtest/<int:pk>', dummy_view),
+            re_path(r'^retest/(?P<pk>[0-9]+)$', dummy_view),
+        ]
+        test_paths = [
+            URLTestPath('/convtest/42', (), {'pk': 42}),
+            URLTestPath('/convtest/42.api', (), {'pk': 42, 'format': 'api'}),
+            URLTestPath('/convtest/42.asdf', (), {'pk': 42, 'format': 'asdf'}),
+            URLTestPath('/retest/42', (), {'pk': '42'}),
+            URLTestPath('/retest/42.api', (), {'pk': '42', 'format': 'api'}),
+            URLTestPath('/retest/42.asdf', (), {'pk': '42', 'format': 'asdf'}),
+        ]
+        self._resolve_urlpatterns(urlpatterns, test_paths)
+
+    def _test_default_args(self, urlpatterns):
         test_paths = [
             URLTestPath('/test', (), {'foo': 'bar', }),
             URLTestPath('/test.api', (), {'foo': 'bar', 'format': 'api'}),
@@ -87,6 +118,27 @@ class FormatSuffixTests(TestCase):
         ]
         self._resolve_urlpatterns(urlpatterns, test_paths)
 
+    def test_default_args(self):
+        urlpatterns = [
+            url(r'^test$', dummy_view, {'foo': 'bar'}),
+        ]
+        self._test_default_args(urlpatterns)
+
+    @unittest.skipUnless(path, 'needs Django 2')
+    def test_default_args_django2(self):
+        urlpatterns = [
+            path('test', dummy_view, {'foo': 'bar'}),
+        ]
+        self._test_default_args(urlpatterns)
+
+    def _test_included_urls(self, urlpatterns):
+        test_paths = [
+            URLTestPath('/test/path', (), {'foo': 'bar', }),
+            URLTestPath('/test/path.api', (), {'foo': 'bar', 'format': 'api'}),
+            URLTestPath('/test/path.asdf', (), {'foo': 'bar', 'format': 'asdf'}),
+        ]
+        self._resolve_urlpatterns(urlpatterns, test_paths)
+
     def test_included_urls(self):
         nested_patterns = [
             url(r'^path$', dummy_view)
@@ -94,9 +146,79 @@ class FormatSuffixTests(TestCase):
         urlpatterns = [
             url(r'^test/', include(nested_patterns), {'foo': 'bar'}),
         ]
+        self._test_included_urls(urlpatterns)
+
+    @unittest.skipUnless(path, 'needs Django 2')
+    def test_included_urls_django2(self):
+        nested_patterns = [
+            path('path', dummy_view)
+        ]
+        urlpatterns = [
+            path('test/', include(nested_patterns), {'foo': 'bar'}),
+        ]
+        self._test_included_urls(urlpatterns)
+
+    @unittest.skipUnless(path, 'needs Django 2')
+    def test_included_urls_django2_mixed(self):
+        nested_patterns = [
+            path('path', dummy_view)
+        ]
+        urlpatterns = [
+            url('^test/', include(nested_patterns), {'foo': 'bar'}),
+        ]
+        self._test_included_urls(urlpatterns)
+
+    @unittest.skipUnless(path, 'needs Django 2')
+    def test_included_urls_django2_mixed_args(self):
+        nested_patterns = [
+            path('path/<int:child>', dummy_view),
+            url('^url/(?P<child>[0-9]+)$', dummy_view)
+        ]
+        urlpatterns = [
+            url('^purl/(?P<parent>[0-9]+)/', include(nested_patterns), {'foo': 'bar'}),
+            path('ppath/<int:parent>/', include(nested_patterns), {'foo': 'bar'}),
+        ]
         test_paths = [
-            URLTestPath('/test/path', (), {'foo': 'bar', }),
-            URLTestPath('/test/path.api', (), {'foo': 'bar', 'format': 'api'}),
-            URLTestPath('/test/path.asdf', (), {'foo': 'bar', 'format': 'asdf'}),
+            # parent url() nesting child path()
+            URLTestPath('/purl/87/path/42', (), {'parent': '87', 'child': 42, 'foo': 'bar', }),
+            URLTestPath('/purl/87/path/42.api', (), {'parent': '87', 'child': 42, 'foo': 'bar', 'format': 'api'}),
+            URLTestPath('/purl/87/path/42.asdf', (), {'parent': '87', 'child': 42, 'foo': 'bar', 'format': 'asdf'}),
+
+            # parent path() nesting child url()
+            URLTestPath('/ppath/87/url/42', (), {'parent': 87, 'child': '42', 'foo': 'bar', }),
+            URLTestPath('/ppath/87/url/42.api', (), {'parent': 87, 'child': '42', 'foo': 'bar', 'format': 'api'}),
+            URLTestPath('/ppath/87/url/42.asdf', (), {'parent': 87, 'child': '42', 'foo': 'bar', 'format': 'asdf'}),
+
+            # parent path() nesting child path()
+            URLTestPath('/ppath/87/path/42', (), {'parent': 87, 'child': 42, 'foo': 'bar', }),
+            URLTestPath('/ppath/87/path/42.api', (), {'parent': 87, 'child': 42, 'foo': 'bar', 'format': 'api'}),
+            URLTestPath('/ppath/87/path/42.asdf', (), {'parent': 87, 'child': 42, 'foo': 'bar', 'format': 'asdf'}),
+
+            # parent url() nesting child url()
+            URLTestPath('/purl/87/url/42', (), {'parent': '87', 'child': '42', 'foo': 'bar', }),
+            URLTestPath('/purl/87/url/42.api', (), {'parent': '87', 'child': '42', 'foo': 'bar', 'format': 'api'}),
+            URLTestPath('/purl/87/url/42.asdf', (), {'parent': '87', 'child': '42', 'foo': 'bar', 'format': 'asdf'}),
         ]
         self._resolve_urlpatterns(urlpatterns, test_paths)
+
+    def _test_allowed_formats(self, urlpatterns):
+        allowed_formats = ['good', 'ugly']
+        test_paths = [
+            (URLTestPath('/test.good/', (), {'format': 'good'}), True),
+            (URLTestPath('/test.bad', (), {}), False),
+            (URLTestPath('/test.ugly', (), {'format': 'ugly'}), True),
+        ]
+        self._resolve_urlpatterns(urlpatterns, test_paths, allowed=allowed_formats)
+
+    def test_allowed_formats(self):
+        urlpatterns = [
+            url('^test$', dummy_view),
+        ]
+        self._test_allowed_formats(urlpatterns)
+
+    @unittest.skipUnless(path, 'needs Django 2')
+    def test_allowed_formats_django2(self):
+        urlpatterns = [
+            path('test', dummy_view),
+        ]
+        self._test_allowed_formats(urlpatterns)
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 4aed5ee73..500c6a3fa 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -1,17 +1,14 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from unittest import mock
 
 from django.conf.urls import url
-from django.core.exceptions import ImproperlyConfigured
 from django.test import TestCase, override_settings
-from django.utils import six
 
-import rest_framework.utils.model_meta
-from rest_framework.compat import _resolve_model
+from rest_framework.decorators import action
 from rest_framework.routers import SimpleRouter
 from rest_framework.serializers import ModelSerializer
 from rest_framework.utils import json
 from rest_framework.utils.breadcrumbs import get_breadcrumbs
+from rest_framework.utils.formatting import lazy_format
 from rest_framework.utils.urls import remove_query_param, replace_query_param
 from rest_framework.views import APIView
 from rest_framework.viewsets import ModelViewSet
@@ -47,6 +44,22 @@ class ResourceViewSet(ModelViewSet):
     serializer_class = ModelSerializer
     queryset = BasicModel.objects.all()
 
+    @action(detail=False)
+    def list_action(self, request, *args, **kwargs):
+        raise NotImplementedError
+
+    @action(detail=True)
+    def detail_action(self, request, *args, **kwargs):
+        raise NotImplementedError
+
+    @action(detail=True, name='Custom Name')
+    def named_action(self, request, *args, **kwargs):
+        raise NotImplementedError
+
+    @action(detail=True, suffix='Custom Suffix')
+    def suffixed_action(self, request, *args, **kwargs):
+        raise NotImplementedError
+
 
 router = SimpleRouter()
 router.register(r'resources', ResourceViewSet)
@@ -123,68 +136,45 @@ class BreadcrumbTests(TestCase):
             ('Resource Instance', '/resources/1/')
         ]
 
+    def test_modelviewset_list_action_breadcrumbs(self):
+        url = '/resources/list_action/'
+        assert get_breadcrumbs(url) == [
+            ('Root', '/'),
+            ('Resource List', '/resources/'),
+            ('List action', '/resources/list_action/'),
+        ]
 
-class ResolveModelTests(TestCase):
-    """
-    `_resolve_model` should return a Django model class given the
-    provided argument is a Django model class itself, or a properly
-    formatted string representation of one.
-    """
-    def test_resolve_django_model(self):
-        resolved_model = _resolve_model(BasicModel)
-        assert resolved_model == BasicModel
+    def test_modelviewset_detail_action_breadcrumbs(self):
+        url = '/resources/1/detail_action/'
+        assert get_breadcrumbs(url) == [
+            ('Root', '/'),
+            ('Resource List', '/resources/'),
+            ('Resource Instance', '/resources/1/'),
+            ('Detail action', '/resources/1/detail_action/'),
+        ]
 
-    def test_resolve_string_representation(self):
-        resolved_model = _resolve_model('tests.BasicModel')
-        assert resolved_model == BasicModel
+    def test_modelviewset_action_name_kwarg(self):
+        url = '/resources/1/named_action/'
+        assert get_breadcrumbs(url) == [
+            ('Root', '/'),
+            ('Resource List', '/resources/'),
+            ('Resource Instance', '/resources/1/'),
+            ('Custom Name', '/resources/1/named_action/'),
+        ]
 
-    def test_resolve_unicode_representation(self):
-        resolved_model = _resolve_model(six.text_type('tests.BasicModel'))
-        assert resolved_model == BasicModel
-
-    def test_resolve_non_django_model(self):
-        with self.assertRaises(ValueError):
-            _resolve_model(TestCase)
-
-    def test_resolve_improper_string_representation(self):
-        with self.assertRaises(ValueError):
-            _resolve_model('BasicModel')
-
-
-class ResolveModelWithPatchedDjangoTests(TestCase):
-    """
-    Test coverage for when Django's `get_model` returns `None`.
-
-    Under certain circumstances Django may return `None` with `get_model`:
-    http://git.io/get-model-source
-
-    It usually happens with circular imports so it is important that DRF
-    excepts early, otherwise fault happens downstream and is much more
-    difficult to debug.
-
-    """
-
-    def setUp(self):
-        """Monkeypatch get_model."""
-        self.get_model = rest_framework.compat.apps.get_model
-
-        def get_model(app_label, model_name):
-            return None
-
-        rest_framework.compat.apps.get_model = get_model
-
-    def tearDown(self):
-        """Revert monkeypatching."""
-        rest_framework.compat.apps.get_model = self.get_model
-
-    def test_blows_up_if_model_does_not_resolve(self):
-        with self.assertRaises(ImproperlyConfigured):
-            _resolve_model('tests.BasicModel')
+    def test_modelviewset_action_suffix_kwarg(self):
+        url = '/resources/1/suffixed_action/'
+        assert get_breadcrumbs(url) == [
+            ('Root', '/'),
+            ('Resource List', '/resources/'),
+            ('Resource Instance', '/resources/1/'),
+            ('Resource Custom Suffix', '/resources/1/suffixed_action/'),
+        ]
 
 
 class JsonFloatTests(TestCase):
     """
-    Internaly, wrapped json functions should adhere to strict float handling
+    Internally, wrapped json functions should adhere to strict float handling
     """
 
     def test_dumps(self):
@@ -202,7 +192,7 @@ class JsonFloatTests(TestCase):
             json.loads("NaN")
 
 
-@override_settings(STRICT_JSON=False)
+@override_settings(REST_FRAMEWORK={'STRICT_JSON': False})
 class NonStrictJsonFloatTests(JsonFloatTests):
     """
     'STRICT_JSON = False' should not somehow affect internal json behavior
@@ -245,15 +235,6 @@ class UrlsRemoveQueryParamTests(TestCase):
     """
     Tests the remove_query_param functionality.
     """
-    def test_valid_unicode_preserved(self):
-        q = '/?q=%E6%9F%A5%E8%AF%A2'
-        new_key = 'page'
-        new_value = 2
-        value = '%E6%9F%A5%E8%AF%A2'
-
-        assert new_key in replace_query_param(q, new_key, new_value)
-        assert value in replace_query_param(q, new_key, new_value)
-
     def test_valid_unicode_removed(self):
         q = '/?page=2345&q=%E6%9F%A5%E8%AF%A2'
         key = 'page'
@@ -270,3 +251,19 @@ class UrlsRemoveQueryParamTests(TestCase):
         removed_key = 'page'
 
         assert key in remove_query_param(q, removed_key)
+
+
+class LazyFormatTests(TestCase):
+    def test_it_formats_correctly(self):
+        formatted = lazy_format('Does {} work? {answer}: %s', 'it', answer='Yes')
+        assert str(formatted) == 'Does it work? Yes: %s'
+        assert formatted % 'it does' == 'Does it work? Yes: it does'
+
+    def test_it_formats_lazily(self):
+        message = mock.Mock(wraps='message')
+        formatted = lazy_format(message)
+        assert message.format.call_count == 0
+        str(formatted)
+        assert message.format.call_count == 1
+        str(formatted)
+        assert message.format.call_count == 1
diff --git a/tests/test_validation.py b/tests/test_validation.py
index 8b71693c5..6e00b48c2 100644
--- a/tests/test_validation.py
+++ b/tests/test_validation.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import re
 
 from django.core.validators import MaxValueValidator, RegexValidator
@@ -111,7 +109,7 @@ class TestAvoidValidation(TestCase):
         assert not serializer.is_valid()
         assert serializer.errors == {
             'non_field_errors': [
-                'Invalid data. Expected a dictionary, but got %s.' % type('').__name__
+                'Invalid data. Expected a dictionary, but got str.',
             ]
         }
 
@@ -150,14 +148,14 @@ class TestMaxValueValidatorValidation(TestCase):
 
     def test_max_value_validation_success(self):
         obj = ValidationMaxValueValidatorModel.objects.create(number_value=100)
-        request = factory.patch('/{0}'.format(obj.pk), {'number_value': 98}, format='json')
+        request = factory.patch('/{}'.format(obj.pk), {'number_value': 98}, format='json')
         view = UpdateMaxValueValidationModel().as_view()
         response = view(request, pk=obj.pk).render()
         assert response.status_code == status.HTTP_200_OK
 
     def test_max_value_validation_fail(self):
         obj = ValidationMaxValueValidatorModel.objects.create(number_value=100)
-        request = factory.patch('/{0}'.format(obj.pk), {'number_value': 101}, format='json')
+        request = factory.patch('/{}'.format(obj.pk), {'number_value': 101}, format='json')
         view = UpdateMaxValueValidationModel().as_view()
         response = view(request, pk=obj.pk).render()
         assert response.content == b'{"number_value":["Ensure this value is less than or equal to 100."]}'
diff --git a/tests/test_validators.py b/tests/test_validators.py
index 62126ddb3..fe31ba235 100644
--- a/tests/test_validators.py
+++ b/tests/test_validators.py
@@ -277,6 +277,30 @@ class TestUniquenessTogetherValidation(TestCase):
         """)
         assert repr(serializer) == expected
 
+    def test_read_only_fields_with_default(self):
+        """
+        Special case of read_only + default DOES validate unique_together.
+        """
+        class ReadOnlyFieldWithDefaultSerializer(serializers.ModelSerializer):
+            race_name = serializers.CharField(max_length=100, read_only=True, default='example')
+
+            class Meta:
+                model = UniquenessTogetherModel
+                fields = ('id', 'race_name', 'position')
+
+        data = {'position': 2}
+        serializer = ReadOnlyFieldWithDefaultSerializer(data=data)
+
+        assert len(serializer.validators) == 1
+        assert isinstance(serializer.validators[0], UniqueTogetherValidator)
+        assert serializer.validators[0].fields == ('race_name', 'position')
+        assert not serializer.is_valid()
+        assert serializer.errors == {
+            'non_field_errors': [
+                'The fields race_name, position must make a unique set.'
+            ]
+        }
+
     def test_allow_explict_override(self):
         """
         Ensure validators can be explicitly removed..
@@ -329,7 +353,7 @@ class TestUniquenessTogetherValidation(TestCase):
         filter_queryset should add value from existing instance attribute
         if it is not provided in attributes dict
         """
-        class MockQueryset(object):
+        class MockQueryset:
             def filter(self, **kwargs):
                 self.called_with = kwargs
 
@@ -534,19 +558,19 @@ class TestHiddenFieldUniquenessForDateValidation(TestCase):
 class ValidatorsTests(TestCase):
 
     def test_qs_exists_handles_type_error(self):
-        class TypeErrorQueryset(object):
+        class TypeErrorQueryset:
             def exists(self):
                 raise TypeError
         assert qs_exists(TypeErrorQueryset()) is False
 
     def test_qs_exists_handles_value_error(self):
-        class ValueErrorQueryset(object):
+        class ValueErrorQueryset:
             def exists(self):
                 raise ValueError
         assert qs_exists(ValueErrorQueryset()) is False
 
     def test_qs_exists_handles_data_error(self):
-        class DataErrorQueryset(object):
+        class DataErrorQueryset:
             def exists(self):
                 raise DataError
         assert qs_exists(DataErrorQueryset()) is False
diff --git a/tests/test_versioning.py b/tests/test_versioning.py
index e73059c7d..d4e269df3 100644
--- a/tests/test_versioning.py
+++ b/tests/test_versioning.py
@@ -7,33 +7,12 @@ from rest_framework.decorators import APIView
 from rest_framework.relations import PKOnlyObject
 from rest_framework.response import Response
 from rest_framework.reverse import reverse
-from rest_framework.test import APIRequestFactory, APITestCase
+from rest_framework.test import (
+    APIRequestFactory, APITestCase, URLPatternsTestCase
+)
 from rest_framework.versioning import NamespaceVersioning
 
 
-@override_settings(ROOT_URLCONF='tests.test_versioning')
-class URLPatternsTestCase(APITestCase):
-    """
-    Isolates URL patterns used during testing on the test class itself.
-    For example:
-
-    class MyTestCase(URLPatternsTestCase):
-        urlpatterns = [
-            ...
-        ]
-
-        def test_something(self):
-            ...
-    """
-    def setUp(self):
-        global urlpatterns
-        urlpatterns = self.urlpatterns
-
-    def tearDown(self):
-        global urlpatterns
-        urlpatterns = []
-
-
 class RequestVersionView(APIView):
     def get(self, request, *args, **kwargs):
         return Response({'version': request.version})
@@ -163,7 +142,7 @@ class TestRequestVersion:
         assert response.data == {'version': None}
 
 
-class TestURLReversing(URLPatternsTestCase):
+class TestURLReversing(URLPatternsTestCase, APITestCase):
     included = [
         url(r'^namespaced/$', dummy_view, name='another'),
         url(r'^example/(?P<pk>\d+)/$', dummy_pk_view, name='example-detail')
@@ -329,7 +308,7 @@ class TestAllowedAndDefaultVersion:
         assert response.data == {'version': 'v2'}
 
 
-class TestHyperlinkedRelatedField(URLPatternsTestCase):
+class TestHyperlinkedRelatedField(URLPatternsTestCase, APITestCase):
     included = [
         url(r'^namespaced/(?P<pk>\d+)/$', dummy_pk_view, name='namespaced'),
     ]
@@ -340,9 +319,9 @@ class TestHyperlinkedRelatedField(URLPatternsTestCase):
     ]
 
     def setUp(self):
-        super(TestHyperlinkedRelatedField, self).setUp()
+        super().setUp()
 
-        class MockQueryset(object):
+        class MockQueryset:
             def get(self, pk):
                 return 'object %s' % pk
 
@@ -361,7 +340,7 @@ class TestHyperlinkedRelatedField(URLPatternsTestCase):
             self.field.to_internal_value('/v2/namespaced/3/')
 
 
-class TestNamespaceVersioningHyperlinkedRelatedFieldScheme(URLPatternsTestCase):
+class TestNamespaceVersioningHyperlinkedRelatedFieldScheme(URLPatternsTestCase, APITestCase):
     nested = [
         url(r'^namespaced/(?P<pk>\d+)/$', dummy_pk_view, name='nested'),
     ]
diff --git a/tests/test_views.py b/tests/test_views.py
index f0919e846..2648c9fb3 100644
--- a/tests/test_views.py
+++ b/tests/test_views.py
@@ -1,7 +1,4 @@
-from __future__ import unicode_literals
-
 import copy
-import sys
 
 from django.test import TestCase
 
@@ -14,10 +11,7 @@ from rest_framework.views import APIView
 
 factory = APIRequestFactory()
 
-if sys.version_info[:2] >= (3, 4):
-    JSON_ERROR = 'JSON parse error - Expecting value:'
-else:
-    JSON_ERROR = 'JSON parse error - No JSON object could be decoded'
+JSON_ERROR = 'JSON parse error - Expecting value:'
 
 
 class BasicView(APIView):
diff --git a/tests/test_viewsets.py b/tests/test_viewsets.py
index beff42cb8..eac36f095 100644
--- a/tests/test_viewsets.py
+++ b/tests/test_viewsets.py
@@ -1,9 +1,12 @@
+from collections import OrderedDict
+
+import pytest
 from django.conf.urls import include, url
 from django.db import models
 from django.test import TestCase, override_settings
 
 from rest_framework import status
-from rest_framework.decorators import detail_route, list_route
+from rest_framework.decorators import action
 from rest_framework.response import Response
 from rest_framework.routers import SimpleRouter
 from rest_framework.test import APIRequestFactory
@@ -34,31 +37,54 @@ class ActionViewSet(GenericViewSet):
     queryset = Action.objects.all()
 
     def list(self, request, *args, **kwargs):
-        pass
+        return Response()
 
     def retrieve(self, request, *args, **kwargs):
-        pass
+        return Response()
 
-    @list_route()
+    @action(detail=False)
     def list_action(self, request, *args, **kwargs):
-        pass
+        raise NotImplementedError
 
-    @list_route(url_name='list-custom')
+    @action(detail=False, url_name='list-custom')
     def custom_list_action(self, request, *args, **kwargs):
-        pass
+        raise NotImplementedError
 
-    @detail_route()
+    @action(detail=True)
     def detail_action(self, request, *args, **kwargs):
-        pass
+        raise NotImplementedError
 
-    @detail_route(url_name='detail-custom')
+    @action(detail=True, url_name='detail-custom')
     def custom_detail_action(self, request, *args, **kwargs):
-        pass
+        raise NotImplementedError
+
+    @action(detail=True, url_path=r'unresolvable/(?P<arg>\w+)', url_name='unresolvable')
+    def unresolvable_detail_action(self, request, *args, **kwargs):
+        raise NotImplementedError
+
+
+class ActionNamesViewSet(GenericViewSet):
+
+    def retrieve(self, request, *args, **kwargs):
+        return Response()
+
+    @action(detail=True)
+    def unnamed_action(self, request, *args, **kwargs):
+        raise NotImplementedError
+
+    @action(detail=True, name='Custom Name')
+    def named_action(self, request, *args, **kwargs):
+        raise NotImplementedError
+
+    @action(detail=True, suffix='Custom Suffix')
+    def suffixed_action(self, request, *args, **kwargs):
+        raise NotImplementedError
 
 
 router = SimpleRouter()
 router.register(r'actions', ActionViewSet)
-router.register(r'actions-alt', ActionViewSet, base_name='actions-alt')
+router.register(r'actions-alt', ActionViewSet, basename='actions-alt')
+router.register(r'names', ActionNamesViewSet, basename='names')
 
 
 urlpatterns = [
@@ -87,14 +113,23 @@ class InitializeViewSetsTestCase(TestCase):
         assert response.status_code == status.HTTP_200_OK
 
     def test_initialize_view_set_with_empty_actions(self):
-        try:
+        with pytest.raises(TypeError) as excinfo:
             BasicViewSet.as_view()
-        except TypeError as e:
-            assert str(e) == ("The `actions` argument must be provided "
-                              "when calling `.as_view()` on a ViewSet. "
-                              "For example `.as_view({'get': 'list'})`")
-        else:
-            self.fail("actions must not be empty.")
+
+        assert str(excinfo.value) == (
+            "The `actions` argument must be provided "
+            "when calling `.as_view()` on a ViewSet. "
+            "For example `.as_view({'get': 'list'})`")
+
+    def test_initialize_view_set_with_both_name_and_suffix(self):
+        with pytest.raises(TypeError) as excinfo:
+            BasicViewSet.as_view(name='', suffix='', actions={
+                'get': 'list',
+            })
+
+        assert str(excinfo.value) == (
+            "BasicViewSet() received both `name` and `suffix`, "
+            "which are mutually exclusive arguments.")
 
     def test_args_kwargs_request_action_map_on_self(self):
         """
@@ -111,11 +146,70 @@ class InitializeViewSetsTestCase(TestCase):
             self.assertIn(attribute, dir(view))
 
 
+class GetExtraActionsTests(TestCase):
+
+    def test_extra_actions(self):
+        view = ActionViewSet()
+        actual = [action.__name__ for action in view.get_extra_actions()]
+        expected = [
+            'custom_detail_action',
+            'custom_list_action',
+            'detail_action',
+            'list_action',
+            'unresolvable_detail_action',
+        ]
+
+        self.assertEqual(actual, expected)
+
+
+@override_settings(ROOT_URLCONF='tests.test_viewsets')
+class GetExtraActionUrlMapTests(TestCase):
+
+    def test_list_view(self):
+        response = self.client.get('/api/actions/')
+        view = response.renderer_context['view']
+
+        expected = OrderedDict([
+            ('Custom list action', 'http://testserver/api/actions/custom_list_action/'),
+            ('List action', 'http://testserver/api/actions/list_action/'),
+        ])
+
+        self.assertEqual(view.get_extra_action_url_map(), expected)
+
+    def test_detail_view(self):
+        response = self.client.get('/api/actions/1/')
+        view = response.renderer_context['view']
+
+        expected = OrderedDict([
+            ('Custom detail action', 'http://testserver/api/actions/1/custom_detail_action/'),
+            ('Detail action', 'http://testserver/api/actions/1/detail_action/'),
+            # "Unresolvable detail action" excluded, since it's not resolvable
+        ])
+
+        self.assertEqual(view.get_extra_action_url_map(), expected)
+
+    def test_uninitialized_view(self):
+        self.assertEqual(ActionViewSet().get_extra_action_url_map(), OrderedDict())
+
+    def test_action_names(self):
+        # Action 'name' and 'suffix' kwargs should be respected
+        response = self.client.get('/api/names/1/')
+        view = response.renderer_context['view']
+
+        expected = OrderedDict([
+            ('Custom Name', 'http://testserver/api/names/1/named_action/'),
+            ('Action Names Custom Suffix', 'http://testserver/api/names/1/suffixed_action/'),
+            ('Unnamed action', 'http://testserver/api/names/1/unnamed_action/'),
+        ])
+
+        self.assertEqual(view.get_extra_action_url_map(), expected)
+
+
 @override_settings(ROOT_URLCONF='tests.test_viewsets')
 class ReverseActionTests(TestCase):
     def test_default_basename(self):
         view = ActionViewSet()
-        view.basename = router.get_default_base_name(ActionViewSet)
+        view.basename = router.get_default_basename(ActionViewSet)
         view.request = None
 
         assert view.reverse_action('list') == '/api/actions/'
@@ -141,7 +235,7 @@ class ReverseActionTests(TestCase):
 
     def test_request_passing(self):
         view = ActionViewSet()
-        view.basename = router.get_default_base_name(ActionViewSet)
+        view.basename = router.get_default_basename(ActionViewSet)
         view.request = factory.get('/')
 
         # Passing the view's request object should result in an absolute URL.
diff --git a/tests/test_write_only_fields.py b/tests/test_write_only_fields.py
index 272a05ff3..fd712f837 100644
--- a/tests/test_write_only_fields.py
+++ b/tests/test_write_only_fields.py
@@ -9,12 +9,9 @@ class WriteOnlyFieldTests(TestCase):
             email = serializers.EmailField()
             password = serializers.CharField(write_only=True)
 
-            def create(self, attrs):
-                return attrs
-
         self.Serializer = ExampleSerializer
 
-    def write_only_fields_are_present_on_input(self):
+    def test_write_only_fields_are_present_on_input(self):
         data = {
             'email': 'foo@example.com',
             'password': '123'
@@ -23,7 +20,7 @@ class WriteOnlyFieldTests(TestCase):
         assert serializer.is_valid()
         assert serializer.validated_data == data
 
-    def write_only_fields_are_not_present_on_output(self):
+    def test_write_only_fields_are_not_present_on_output(self):
         instance = {
             'email': 'foo@example.com',
             'password': '123'
diff --git a/tests/urls.py b/tests/urls.py
index 930c1f217..76ada5e3d 100644
--- a/tests/urls.py
+++ b/tests/urls.py
@@ -5,8 +5,12 @@ We need only the docs urls for DocumentationRenderer tests.
 """
 from django.conf.urls import url
 
+from rest_framework.compat import coreapi
 from rest_framework.documentation import include_docs_urls
 
-urlpatterns = [
-    url(r'^docs/', include_docs_urls(title='Test Suite API')),
-]
+if coreapi:
+    urlpatterns = [
+        url(r'^docs/', include_docs_urls(title='Test Suite API')),
+    ]
+else:
+    urlpatterns = []
diff --git a/tests/utils.py b/tests/utils.py
index 509e6a102..06e5b9abe 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -2,7 +2,7 @@ from django.core.exceptions import ObjectDoesNotExist
 from django.urls import NoReverseMatch
 
 
-class MockObject(object):
+class MockObject:
     def __init__(self, **kwargs):
         self._kwargs = kwargs
         for key, val in kwargs.items():
@@ -16,7 +16,7 @@ class MockObject(object):
         return '<MockObject %s>' % kwargs_str
 
 
-class MockQueryset(object):
+class MockQueryset:
     def __init__(self, iterable):
         self.items = iterable
 
@@ -33,7 +33,7 @@ class MockQueryset(object):
         raise ObjectDoesNotExist()
 
 
-class BadType(object):
+class BadType:
     """
     When used as a lookup with a `MockQueryset`, these objects
     will raise a `TypeError`, as occurs in Django when making
diff --git a/tox.ini b/tox.ini
index e2d7aa448..587c469b1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,49 +1,57 @@
-[pytest]
-addopts=--tb=short
-
 [tox]
 envlist =
-       {py27,py34,py35}-django110,
-       {py27,py34,py35,py36}-django111,
-       {py34,py35,py36}-django20,
-       {py35,py36}-djangomaster,
-       lint,docs,readme,
+       {py35,py36}-django111,
+       {py35,py36,py37}-django20,
+       {py35,py36,py37}-django21
+       {py35,py36,py37}-django22
+       {py36,py37,py38}-djangomaster,
+       base,dist,lint,docs,
 
 [travis:env]
 DJANGO =
-    1.10: django110
     1.11: django111
     2.0: django20
+    2.1: django21
+    2.2: django22
     master: djangomaster
 
 [testenv]
-commands = ./runtests.py --fast {posargs} --coverage -rw
+commands = ./runtests.py --fast --coverage {posargs}
+envdir = {toxworkdir}/venvs/{envname}
 setenv =
        PYTHONDONTWRITEBYTECODE=1
        PYTHONWARNINGS=once
 deps =
-        django110: Django>=1.10,<1.11
         django111: Django>=1.11,<2.0
         django20: Django>=2.0,<2.1
+        django21: Django>=2.1,<2.2
+        django22: Django>=2.2,<3.0
         djangomaster: https://github.com/django/django/archive/master.tar.gz
         -rrequirements/requirements-testing.txt
         -rrequirements/requirements-optionals.txt
 
+[testenv:base]
+; Ensure optional dependencies are not required
+deps =
+        django
+        -rrequirements/requirements-testing.txt
+
+[testenv:dist]
+commands = ./runtests.py --fast --no-pkgroot --staticfiles {posargs}
+deps =
+        django
+        -rrequirements/requirements-testing.txt
+        -rrequirements/requirements-optionals.txt
+
 [testenv:lint]
-basepython = python2.7
 commands = ./runtests.py --lintonly
 deps =
         -rrequirements/requirements-codestyle.txt
         -rrequirements/requirements-testing.txt
 
 [testenv:docs]
-basepython = python2.7
+skip_install = true
 commands = mkdocs build
 deps =
        -rrequirements/requirements-testing.txt
        -rrequirements/requirements-documentation.txt
-
-[testenv:readme]
-commands = ./setup.py check -rs
-deps =
-       -rrequirements/requirements-packaging.txt