2.2.3

• Font lookup is now case-insensitive, preventing unwanted removal of fonts that are used (thanks to @thomas-mcdonald).

2.2.2

• Removed a dependency on flatten.
• Performance tweaks; now performs a single AST pass instead of four.

2.2.1

• Now compiled with Babel 6.

2.2.0

• Added a new option to remove @namespace rules (thanks to @plesiecki).

2.1.0

• Added options to customise what the module discards (thanks to @TrySound).

2.0.0

• Upgraded to PostCSS 5.

1.0.3

• Improved performance by reducing the amount of AST iterations.
• Converted the codebase to ES6.

1.0.2

• Fixes an integration issue where the module would crash on undefined rule.nodes.

1.0.1

• Fixes an issue where multiple animations were not being recognized.

1.0.0

• Initial release.