# Changes to PostCSS Alpha Function

### 1.0.1

_September 21, 2025_

- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`4.2.1`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#421) (patch)

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