0.56.0

* Add support for Sass 3.5. [Custom properties are not yet supported](sds#927).
* Modify all output formats to include a linter even for syntax or encoding errors
* Fix `SpaceAfterComment` to not report lints for [file-level annotation comments](http://sassdoc.com/file-level-annotations/)

0.55.0

* Add `ng-deep` to the list recognized by the `PseudoElement` linter
* Add `classic_BEM` convention for `SelectorFormat`
* Deprecate `strict_BEM` convention for `SelectorFormat`.
  Use `classic_BEM` instead.
* Add `font-display` and `justify-items` properties to `PropertySpelling` linter
* Add `fr` unit to `PropertyUnits` linter

0.54.0

* Add `cubic-bezier` to `NameFormat` whitelist
* Allow triple-slash (`///`) comments in `SpaceAfterComment`
* Add new grid spec properties to `PropertySpelling`
* Add workaround for [negative source range lengths](sass/sass#2284) returned by the Sass parser
* Fix `Indentation` linter to work with `@import` statements which spanned multiple lines

Cut version 0.53.0

Cut version 0.52.0

0.51.0

* Add `contain` to list of properties allowed by `PropertySpelling`
* Fix `DuplicateProperty` to report duplicate properties inside media queries
* Relax gem dependency constraints to allow rake 12.x

0.50.3

* Add outline, flexbox, background clip, attachment, word-wrap, and work-break
  properties to `concentric` `PropertySort` sort order
* Add background clip and attachment properties to `recess` `PropertySort`
  sort order
* Fix `SpaceAfterComment` handling of consecutive comments
* Fix `SpaceBeforeBrace` to check `@if` / `@else` statements
* Fix `ZeroUnit` to not report zero values with units in `calc` expressions
* Fix detection of control comments when `scss-lint:enable` is used
* Fix `Comment` linter message when using `loud` style comments

0.50.2

* Fix default `style` configuration for `SpaceAfterComment` to `one_space` and
  to be disabled by default

0.50.1

* Fix regression in `scss_files` option processing where option was ignored

0.50.0

New Features

* Add `SpaceAfterComment` which checks for spacing after comment literal

Changes

* Drop support for Ruby 1.9.3
* `Shorthand` linter will now forbid the use of shorthand properties if
  `allowed_shorthands` option is set to an empty list
* Change Rake task to respect `scss_files` option if no explicit files are
  specified

Bug Fixes

* Fix `scss_files` option to accept an array of patterns
* Fix `--exclude-linter` flag
* Fix `ColorKeyword` linter to allow color keywords to be used as arguments
  in `map-*`-related function calls
* Fix `SpaceAfterComma` linter to report correct column number
* Fix `PrivateNamingConvention` to consider functions/mixins used inside other
  functions/mixins
* Fix `Shorthand` to not report shorthanded values with `!important` as having
  a shorthand length not specified in `allowed_shorthands`
* Fix `UnnecessaryMantissa` to ignore decimal values in URL literals
* Fix `PlaceholderInExtend` to report comma sequences starting with a
  placeholder
* Fix `StringQuotes` linter to ignore `@charset` directives since they must
  [_always_ use double quotes](https://www.w3.org/TR/css-syntax-3/#charset-rule)