5.0.0

Breaking:

• supports PostCSS 8 only. For PostCSS 7, use 4.x.
• drops node.js 6 and 8 support

Note that although 4.x can work with PostCSS 8, it is recommended to update to 5.x since it leverages performant API available on PostCSS 8 only.

4.3.0

🔧 New option: preserve: boolean (docs)

4.2.0

😎100% ESM ready.
🥳Shrink bundle size from 6KB to 4KB.