rollup-plugin-postcss seamlessly integrates PostCSS into your Rollup workflows. It allows you to process CSS files using PostCSS, enabling features like autoprefixing, variable transformations, and modular CSS with tools like CSS Modules. This plugin streamlines CSS compilation within your JavaScript build pipeline, ensuring consistent and optimized styling across your application. It automatically handles CSS extraction and injection, simplifying the management of styling assets in modern web projects.
The rollup-plugin-postcss npm package experienced frequent releases in 2015-2018, with a peak in January 2018 (17 versions). Releases slowed significantly after 2018, with occasional updates in 2020 and 2021. From 2022 to September 2025, there have been no new versions published. The initial rapid development phase has been followed by a period of relative inactivity.
rollup-plugin-postcss downloads show steady growth from March 2024 to July 2025, peaking at over 5 million in June 2025. August 2025 saw a decrease, and September 2025 downloads are significantly lower, likely reflecting that the month is not yet complete.