# Changes to PostCSS Is Pseudo Class

### 6.0.0

_January 14, 2026_

- Updated: Support for Node `20.19.0` or later (major).
- Removed: `commonjs` API. In supported Node versions `require(esm)` will work without needing to make code changes.
- Updated [`@csstools/selector-specificity`](https://github.com/csstools/postcss-plugins/tree/main/packages/selector-specificity) to [`6.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/selector-specificity/CHANGELOG.md#600) (major)

[Full CHANGELOG](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-is-pseudo-class/CHANGELOG.md)
