grass/CHANGELOG.md

0.9.1

• fix regression in which @at-root would panic when placed after a ruleset
• fix regression related to @mixin scoping and outer, local variables

0.9.0

This release is focused on setting up the groundwork for implementing @extend as well as being able to compile Bootstrap.

• Implement all builtin selector functions
  • selector-append
  • selector-extend
  • selector-nest
  • selector-parse
  • selector-replace
  • selector-unify
  • simple-selectors
  • is-superselector
• Implement builtin function content-exists
• Allow @import, @warn, and @debug in all contexts, such as inside @mixin
• Refactor control flow evaluation, resolving some issues blocking Bootstrap

Breaking Changes

• remove the StyleSheet struct in favor of freestanding functions, from_string and from_path

0.8.3

This release is largely focused on performance and robustness

• implement smallint optimization for numbers, making some benchmarks 50% faster
• remove bimap as a dependency for storing named colors in favor of an ad hoc, more specialized data structure
• remove dozens of panics on malformed input
• use beef::Cow instead of std::borrow::Cow
• increase code coverage to 80%

0.8.2

This release contains significant (>10x) improvements for WASM speed. Performance is now comparable to libsass bindings with node-sass as well as dart-sass with dart2js. It is, however, roughly 4x slower than native grass.