# Changes to PostCSS Custom Media

### 12.0.3

_October 1, 2026_

- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`4.0.2`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#402) (patch)
- Updated [`@csstools/cascade-layer-name-parser`](https://github.com/csstools/postcss-plugins/tree/main/packages/cascade-layer-name-parser) to [`3.0.2`](https://github.com/csstools/postcss-plugins/tree/main/packages/cascade-layer-name-parser/CHANGELOG.md#302) (patch)
- Updated [`@csstools/media-query-list-parser`](https://github.com/csstools/postcss-plugins/tree/main/packages/media-query-list-parser) to [`5.0.2`](https://github.com/csstools/postcss-plugins/tree/main/packages/media-query-list-parser/CHANGELOG.md#502) (patch)

[Full CHANGELOG](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-custom-media/CHANGELOG.md)