# 2.1.4

* Fixed a range error which happened when duplicated at rules were found
  in the stylesheet.

# 2.1.3

* Fixed an infinite loop regression in the last patch.

# 2.1.2

* Fixes a bug where sometimes values would be substituted by JS code.

# 2.1.1

* Updates postcss-value-parser to version 3 (thanks to @TrySound).

# 2.1.0

* Replaced css-list with postcss-value-parser, reduced AST iterations from 4
  to 1 for increased performance.

# 2.0.0

* Upgraded to PostCSS 5.

# 1.0.2

* Minor boost in performance with reduced stringify passes.

# 1.0.1

* Fixes an issue where duplicated keyframes with the same name would cause
  an infinite loop.

# 1.0.0

* Initial release.