# Changes to PostCSS Is Pseudo Class ### 4.0.4 _December 15, 2023_ - Fix type definitions - Updated [`@csstools/selector-specificity`](https://github.com/csstools/postcss-plugins/tree/main/packages/selector-specificity) to [`3.0.1`](https://github.com/csstools/postcss-plugins/tree/main/packages/selector-specificity/CHANGELOG.md#301) (patch) ### 4.0.3 _October 2, 2023_ - Prevent incorrect transforms when `:is()` is wrapped in `:has()`. ### 4.0.2 _September 18, 2023_ - Improve performance [Full CHANGELOG](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-is-pseudo-class/CHANGELOG.md)