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Update release notes to match template for #7864

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Alex Clark 2024-03-14 20:50:17 -04:00
parent 180f37b18e
commit b5f77799ca
11 changed files with 70 additions and 81 deletions
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5
docs/releasenotes/10.0.1.rst
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@ -11,7 +11,10 @@ This release provides an updated install script and updated wheels to
include libwebp 1.3.2, preventing a potential heap buffer overflow in
WebP.
Other Changes
=============
Updated tests to pass with latest zlib version
==============================================
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The release of zlib 1.3 caused one of the tests in the Pillow test suite to fail.

5
docs/releasenotes/10.3.0.rst
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@ -90,3 +90,8 @@ Release GIL when fetching WebP frames
Python's Global Interpreter Lock is now released when fetching WebP frames from
the libwebp decoder.
Add release notes for 2.3.1, 2.3.2, 2.5.2
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TODO

19
docs/releasenotes/2.7.0.rst
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@ -35,7 +35,7 @@ which filter should be used for resampling. Possible values are:
were changed in this version.
Bicubic and bilinear downscaling
--------------------------------
++++++++++++++++++++++++++++++++
From the beginning ``BILINEAR`` and ``BICUBIC`` filters were based on affine
transformations and used a fixed number of pixels from the source image for
@ -52,7 +52,7 @@ If you have previously used any tricks to maintain quality when downscaling with
steps), they are unnecessary now.
Antialias renamed to Lanczos
----------------------------
++++++++++++++++++++++++++++
A new ``LANCZOS`` constant was added instead of ``ANTIALIAS``.
@ -66,19 +66,19 @@ The ``ANTIALIAS`` constant is left for backward compatibility and is an alias
for ``LANCZOS``.
Lanczos upscaling quality
-------------------------
+++++++++++++++++++++++++
The image upscaling quality with ``LANCZOS`` filter was almost the same as
``BILINEAR`` due to a bug. This has been fixed.
Bicubic upscaling quality
-------------------------
+++++++++++++++++++++++++
The ``BICUBIC`` filter for affine transformations produced sharp, slightly
pixelated image for upscaling. Bicubic for convolutions is more soft.
Resize performance
------------------
++++++++++++++++++
In most cases, convolution is more a expensive algorithm for downscaling
because it takes into account all the pixels of source image. Therefore
@ -95,7 +95,7 @@ The upscaling performance of the ``LANCZOS`` filter has remained the same. For
times.
Default filter for thumbnails
-----------------------------
+++++++++++++++++++++++++++++
In Pillow 2.5 the default filter for :py:meth:`~PIL.Image.Image.thumbnail` was
changed from ``NEAREST`` to ``ANTIALIAS``. Antialias was chosen because all the
@ -105,7 +105,6 @@ other filters gave poor quality for reduction. Starting from Pillow 2.7.0,
uses supersampling internally, not convolutions.
Image transposition
^^^^^^^^^^^^^^^^^^^
A new method ``TRANSPOSE`` has been added for the
:py:meth:`~PIL.Image.Image.transpose` operation in addition to
@ -127,7 +126,7 @@ implementations use Gaussian blur internally, all changes from this chapter
are also applicable to it.
Blur radius
-----------
+++++++++++
There was an error in the previous version of Pillow, where blur radius (the
standard deviation of Gaussian) actually meant blur diameter. For example, to
@ -138,7 +137,7 @@ If you used a Gaussian blur with some radius value, you need to divide this
value by two.
Blur performance
----------------
++++++++++++++++
Box filter computation time is constant relative to the radius and depends
on source image size only. Because the new Gaussian blur implementation
@ -150,7 +149,7 @@ second for radius 1, 3.6 seconds for radius 10 and 17 seconds for 50, now blur
with any radius on same image is executed for 0.2 seconds.
Blur quality
------------
++++++++++++
The previous implementation takes into account only source pixels within
2 * standard deviation radius for every destination pixel. This was not enough,

6
docs/releasenotes/3.1.0.rst
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@ -34,7 +34,7 @@ fixed in Pillow 3.1, and some of them have been extended to have
different behavior.
TiffImagePlugin.IFDRational
---------------------------
+++++++++++++++++++++++++++
Pillow 3.0 changed rational metadata to use a float. In Pillow 3.1,
this has changed to allow the expression of 0/0 as a valid piece of
@ -52,7 +52,7 @@ This class should be used when adding a rational value to an
ImageFileDirectory for saving to image metadata.
JpegImagePlugin._getexif
------------------------
++++++++++++++++++++++++
In Pillow 3.0, the dictionary returned from the private, experimental,
but generally widely used ``_getexif`` function changed to reflect the
@ -67,7 +67,7 @@ The format returned by Pillow 3.0 has been abandoned. A more fully
featured interface for EXIF is anticipated in a future release.
Out of Spec Metadata
--------------------
++++++++++++++++++++
In Pillow 3.0 and 3.1, images that contain metadata that is internally
consistent, but not in agreement with the TIFF spec, may cause an

4
docs/releasenotes/3.2.0.rst
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@ -22,7 +22,7 @@ The ``GbrImagePlugin`` (GIMP brush format) has been updated to fix
support for version 1 files and add support for version 2 files.
Passthrough Parameters for ImageDraw.text
=========================================
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
``ImageDraw.multiline_text`` and ``ImageDraw.multiline_size`` take extra
spacing parameters above what are used in ``ImageDraw.text`` and
@ -31,7 +31,7 @@ spacing parameters above what are used in ``ImageDraw.text`` and
to the corresponding multiline functions.
ImageSequence.Iterator changes
==============================
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
``ImageSequence.Iterator`` is now an actual iterator implementing the
Iterator protocol. It is also now possible to seek to the first image

14
docs/releasenotes/4.0.0.rst
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@ -5,7 +5,7 @@ Other Changes
=============
Python 2.6 and 3.2 Dropped
==========================
^^^^^^^^^^^^^^^^^^^^^^^^^^
Pillow 4.0 no longer supports Python 2.6 and 3.2. We will not be
creating binaries, testing, or retaining compatibility with these
@ -13,12 +13,12 @@ releases. This release removes some workarounds for those Python
releases, so the final working version of Pillow on 2.6 or 3.2 is 3.4.2.
Support added for Python 3.6
============================
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Pillow 4.0 supports Python 3.6.
OleFileIO.py
============
^^^^^^^^^^^^
``OleFileIO.py`` has been removed as a vendored file and is now installed
from the upstream :pypi:`olefile` PyPI package. All internal dependencies are
@ -27,19 +27,19 @@ redirected to the olefile package. Direct accesses to
upstream olefile into ``sys.modules`` in its place.
SGI image save
==============
^^^^^^^^^^^^^^
It is now possible to save images in modes ``L``, ``RGB``, and
``RGBA`` to the uncompressed SGI image format.
Zero sized images
=================
^^^^^^^^^^^^^^^^^
Pillow 3.4.0 removed support for creating images with (0,0) size. This
has been reenabled, restoring pre 3.4 behavior.
Internal handles_eof flag
=========================
^^^^^^^^^^^^^^^^^^^^^^^^^
The ``handles_eof flag`` for decoding images has been removed, as there
were no internal users of the flag. Anyone maintaining image decoders
@ -47,7 +47,7 @@ outside of the Pillow source tree should consider using the cleanup
function pointers instead.
Image.core.stretch removed
==========================
^^^^^^^^^^^^^^^^^^^^^^^^^^
The stretch function on the core image object has been removed. This
used to be for enlarging the image, but has been aliased to resize

6
docs/releasenotes/4.1.0.rst
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@ -58,14 +58,14 @@ This refactor fixed some bugs with palette handling when saving
multiple frame GIFs.
New Method: Image.remap_palette
===============================
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The method :py:meth:`PIL.Image.Image.remap_palette()` has been
added. This method was hoisted from the GifImagePlugin code used to
optimize the palette.
Added Decoder Registry and Support for Python Based Decoders
============================================================
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
There is now a decoder registry similar to the image plugin
registries. Image plugins can register a decoder, and it will be
@ -75,7 +75,7 @@ their C based counterparts, they may be easier and quicker to develop
or safer to run.
Tests
=====
^^^^^
Many tests have been added, including correctness tests for image
formats that have been previously untested.

31
docs/releasenotes/5.1.0.rst
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@ -1,23 +1,6 @@
5.1.0
-----
Other Changes
=============
New File Format
^^^^^^^^^^^^^^^
BLP File Format
---------------
Pillow now supports reading the BLP "Blizzard Mipmap" file format used
for tiles in Blizzard's engine.
WebP memory leak
^^^^^^^^^^^^^^^^
A memory leak when opening ``WebP`` files has been fixed.
API Changes
===========
@ -34,3 +17,17 @@ Append to PDF Files
Images can now be appended to PDF files in place by passing in
``append=True`` when saving the image.
Other Changes
=============
New BLP File Format
^^^^^^^^^^^^^^^^^^^
Pillow now supports reading the BLP "Blizzard Mipmap" file format used
for tiles in Blizzard's engine.
WebP memory leak
^^^^^^^^^^^^^^^^
A memory leak when opening ``WebP`` files has been fixed.

21
docs/releasenotes/6.2.2.rst
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@ -13,23 +13,8 @@ If an FPX image reports that it has a large number of bands, a large amount of
resources will be used when trying to process the image. This is fixed by
limiting the number of bands to those usable by Pillow.
:cve:`2020-5310`: Overflow checks added to TIFF image processing
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
:cve:`2020-5310`, :cve:`2020-5311`, :cve:`2020-5312`, :cve:`2020-5313`: Overflow checks added
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Overflow checks have been added when calculating the size of a memory block to be reallocated
in the processing of a TIFF image.
:cve:`2020-5311`: Overflow checks added to SGI image processing
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Buffer overruns were found when processing an SGI image. Checks have been added to prevent this.
:cve:`2020-5312`: Overflow checks added to PCX image processing
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Buffer overruns were found when processing a PCX image. Checks have been added to prevent this.
:cve:`2020-5313`: Overflow checks added to FLI image processing
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Buffer overruns were found when processing an FLI image. Checks have been added to prevent this.
in the processing of TIFF, SGI, PCX and FLI images.

2
docs/releasenotes/8.3.1.rst
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@ -22,7 +22,7 @@ with a ``dtype`` argument.
>>>
Catch OSError when checking if destination is sys.stdout
========================================================
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
In 8.3.0, a check to see if the destination was ``sys.stdout`` when saving an image was
updated. This lead to an :py:exc:`OSError` being raised if the environment restricted

38
docs/releasenotes/9.4.0.rst
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@ -1,6 +1,25 @@
9.4.0
-----
Security
========
Fix memory DOS in ImageFont
^^^^^^^^^^^^^^^^^^^^^^^^^^^
A corrupt or specially crafted TTF font could have font metrics that lead to
unreasonably large sizes when rendering text in font. ``ImageFont.py`` did not
check the image size before allocating memory for it. This dates to the PIL
fork. Pillow 8.2.0 added a check for large sizes, but did not consider the
case where one dimension is zero.
Null pointer dereference crash in ImageFont
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Pillow attempted to dereference a null pointer in ``ImageFont``, leading to a
crash. An error is now raised instead. This has been present since
Pillow 8.0.0.
API Additions
=============
@ -69,25 +88,6 @@ When saving a JPEG image, a comment can now be written from
im.save(out, comment="Test comment")
Security
========
Fix memory DOS in ImageFont
^^^^^^^^^^^^^^^^^^^^^^^^^^^
A corrupt or specially crafted TTF font could have font metrics that lead to
unreasonably large sizes when rendering text in font. ``ImageFont.py`` did not
check the image size before allocating memory for it. This dates to the PIL
fork. Pillow 8.2.0 added a check for large sizes, but did not consider the
case where one dimension is zero.
Null pointer dereference crash in ImageFont
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Pillow attempted to dereference a null pointer in ``ImageFont``, leading to a
crash. An error is now raised instead. This has been present since
Pillow 8.0.0.
Other Changes
=============