npm
postcss
Tool for transforming styles with JS plugins
astcssframeworkparserpostcss
Release cadenceEvery 5 days
Last releaseOct 26, 2026
Open advisories0
Changelog quality100% curated
GitHub Releases + CHANGELOG
Release history SecurityYou're on
245 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionpostcss 7 → 87.0.39 → 8.5.32Oct 26, 2026 BreakingBreaking8Security13New27Changed23Fixed148Other11postcss 6 → 76.0.23 → 7.0.39Oct 4, 2021 Review neededSecurity3New6Changed5Fixed21Other6postcss 5 → 65.2.18 → 6.0.23Jun 21, 2018 BreakingBreaking1New5Changed5Fixed16Other6postcss 4 → 54.1.16 → 5.2.18Oct 4, 2017 BreakingBreaking5Deprecated2New11Changed14Fixed37Other20postcss 3 → 43.0.7 → 4.1.16Jul 7, 2015 BreakingBreaking1Platform1Deprecated1New15Changed4Fixed12Other14postcss 2 → 32.2.6 → 3.0.7Dec 9, 2014 BreakingBreaking1Deprecated1New4Changed7Fixed11Other7postcss 1 → 21.0.0 → 2.2.6Oct 31, 2014 BreakingBreaking1New7Changed9Fixed7Other2postcss 0.3 → 10.3.5 → 1.0.0Jun 23, 2014 Review neededNew6Changed3Other1postcss 0.2 → 0.30.2.0 → 0.3.5May 30, 2014 Review neededNew13Changed3Fixed5postcss 0.1 → 0.20.1.0 → 0.2.0Dec 17, 2013 BreakingBreaking1New2Changed1Other3
VersionChannelDateChangesSecurity
8.5.32 StableOct 26, 2026Fixed48.5.31 StableOct 18, 2026Fixed18.5.30 StableOct 12, 2026Fixed18.5.29 StableOct 5, 2026Fixed38.5.28 StableSep 3, 2026Fixed18.5.27 StableSep 3, 2026Fixed78.5.26 StableAug 6, 2026Fixed28.5.25 StableJul 29, 2026Fixed28.5.24 StableJul 28, 2026Fixed18.5.23 StableJul 24, 2026Security2Fix8.5.22 StableJul 22, 2026Fixed18.5.21 StableJul 21, 2026Fixed1Other18.5.20 StableJul 19, 2026Fixed28.5.19 StableJul 13, 2026Fixed18.5.18 StableJul 12, 2026Security2Fix8.5.17 StableJul 11, 2026Security1Fixed28.5.16 StableJun 28, 2026Fixed58.5.15 StableMay 19, 2026Fixed18.5.14 StableMay 4, 2026Fixed18.5.13 StableApr 30, 2026Fixed1