* new option `required-props-first` ([c724df4](https://github.com/Rebilly/ReDoc/commit/c724df4)), closes [#191](https://github.com/Rebilly/ReDoc/issues/191)
* update fragment while scrolling and on menu clicks ([66c06b3](https://github.com/Rebilly/ReDoc/commit/66c06b3)), closes [#138](https://github.com/Rebilly/ReDoc/issues/138) [#202](https://github.com/Rebilly/ReDoc/issues/202)
* do not crash if version is not string ([accd016](https://github.com/Rebilly/ReDoc/commit/accd016)), closes [#208](https://github.com/Rebilly/ReDoc/issues/208)
* long paths break EndpointLink ui ([8472045](https://github.com/Rebilly/ReDoc/commit/8472045))
* Add support for `x-servers` ([fd49082](https://github.com/Rebilly/ReDoc/commit/fd49082))
* Color of "default" Response depends on other successful responses are specified ([9d0dd25](https://github.com/Rebilly/ReDoc/commit/9d0dd25)), closes [#197](https://github.com/Rebilly/ReDoc/issues/197)
* improved type string with minLength == maxLength ([e76bcc3](https://github.com/Rebilly/ReDoc/commit/e76bcc3)), closes [#212](https://github.com/Rebilly/ReDoc/issues/212)
* show type string with minLength 1 as "non-empty" ([d175a4d](https://github.com/Rebilly/ReDoc/commit/d175a4d)), closes [#192](https://github.com/Rebilly/ReDoc/issues/192)
* Fix toggle icon width on IE, closes [#198](https://github.com/Rebilly/ReDoc/issues/198)
* Add safe guards array without items, closes [#199](https://github.com/Rebilly/ReDoc/issues/199)
* Fix extra slash if basePath is not present ([a5c03ab](https://github.com/Rebilly/ReDoc/commit/a5c03ab)), closes [#201](https://github.com/Rebilly/ReDoc/issues/201)
* take snapshot of schema to not overwrite inlined references ([77bc3c4](https://github.com/Rebilly/ReDoc/commit/77bc3c4)), closes [#203](https://github.com/Rebilly/ReDoc/issues/203)
* use items description if not present on top level ([23e7847](https://github.com/Rebilly/ReDoc/commit/23e7847))
### Features
* autoscroll menu ([b43a87d](https://github.com/Rebilly/ReDoc/commit/b43a87d))
* Tags with x-traitTag: true are now greyed out in ReDoc output bug [#194](https://github.com/Rebilly/ReDoc/issues/194)
* CSS: request body model-tree wrapping problem [#185](https://github.com/Rebilly/ReDoc/issues/185)
* Strange request to `example.com` causing CSP error [#178](https://github.com/Rebilly/ReDoc/issues/178)
* Fix latest empty menu-items not getting active [#194](https://github.com/Rebilly/ReDoc/issues/194)
* Fixed crash when level-2 heading goes before level-1 in description [#179](https://github.com/Rebilly/ReDoc/issues/179) (by [@jsmartfo](https://github.com/jsmartfo))
* Update webpack and stick to ts@2.0.9 (fixes [#169](https://github.com/Rebilly/ReDoc/issues/169), [#168](https://github.com/Rebilly/ReDoc/issues/168))
### Features/Improvements
* add `expand-responses` option - specify which responses are expand by default ([#165](https://github.com/Rebilly/ReDoc/issues/165)).
* Use markdown in responses description ([#158](https://github.com/Rebilly/ReDoc/issues/158))
### Features/Improvements
* [x-displayName](https://github.com/Rebilly/ReDoc/blob/master/docs/redoc-vendor-extensions.md#x-displayname) for tags - by [@bfirsh](https://github.com/bfirsh) ([PR #152](https://github.com/Rebilly/ReDoc/pull/152))
* Update webpack to the latest beta ([#143](https://github.com/Rebilly/ReDoc/issues/143))
* Fix read-only fields appear in request samples ([#142](https://github.com/Rebilly/ReDoc/issues/142))
* A few more minor UI improvemnts
### Features/Improvements
* Major performance optimization with new option `lazy-rendering`
To enable use `<redoc>` tag parameter: `<redoc spec-url="..." lazy-rendering></redoc>`.
In this mode ReDoc shows initial screen ASAP and then renders the rest operations asynchronously while showing progress bar on the top. Check out [the demo](//rebilly.github.io/ReDoc) for the example.