npm
prettier
Prettier is an opinionated code formatter
angularastcssflowformattergraphqlhtmljavascript
github.com/prettier/prettierprettier.ioMITjlongster, lydell, thorn0 +8180M / week52.4k · 5k forks · 862 contributors
Release cadenceDaily
Last releaseOct 10, 2026
Open advisories0
Changelog quality87% curated
GitHub Releases + CHANGELOG, gaps for some releases
Release history SecurityYou're on
141 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionprettier 2 → 32.8.8 → 3.9.10Oct 10, 2026 BreakingBreaking12Platform1New11Changed6Fixed26prettier 1 → 21.19.1 → 2.8.8Apr 23, 2023 Review neededNew1Changed1Fixed2Other1prettier 0.22 → 10.22.0 → 1.19.1Nov 9, 2019 UnknownChanged23Other3prettier 0.21 → 0.220.21.0 → 0.22.0Mar 9, 2017 Review neededNew1Changed5Fixed12Other12prettier 0.20 → 0.210.20.0 → 0.21.0Mar 3, 2017 Review neededNew2Changed1Fixed5Other10prettier 0.19 → 0.200.19.0 → 0.20.0Feb 28, 2017 Review neededNew4Changed3Fixed8Other2prettier 0.18 → 0.190.18.0 → 0.19.0Feb 23, 2017 Review neededNew2Changed7Fixed13Other7prettier 0.17 → 0.180.17.1 → 0.18.0Feb 16, 2017 Review neededNew3Changed1Fixed2Other8prettier 0.16 → 0.170.16.0 → 0.17.1Feb 14, 2017 Review neededNew3Changed3Fixed19Other6prettier 0.15 → 0.160.15.0 → 0.16.0Feb 6, 2017 BreakingBreaking1New1Changed4Fixed12Other2prettier 0.14 → 0.150.14.1 → 0.15.0Feb 2, 2017 Review neededChanged3Fixed7Other6prettier 0.13 → 0.140.13.1 → 0.14.1Jan 30, 2017 Unknownprettier 0.11 → 0.130.11.0 → 0.13.1Jan 28, 2017 Unknownprettier 0.0 → 0.110.0.10 → 0.11.0Jan 23, 2017 Review neededDeprecated1New3Changed5Fixed28Other8
VersionChannelDateChangesSecurity
4.0.0-alpha.13 AlphaNov 18, 2025No changes listed4.0.0-alpha.12 AlphaMar 6, 2025No notes published4.0.0-alpha.11 AlphaFeb 24, 2025No notes published4.0.0-alpha.10 AlphaSep 2, 2024No notes published4.0.0-alpha.9 AlphaJun 17, 2024No notes published4.0.0-alpha.8 AlphaDec 20, 2023No notes published4.0.0-alpha.7 AlphaDec 17, 2023No notes published4.0.0-alpha.6 AlphaDec 16, 2023No notes published4.0.0-alpha.5 AlphaDec 14, 2023No notes published4.0.0-alpha.4 AlphaDec 10, 2023No notes published4.0.0-alpha.3 AlphaDec 1, 2023No changes listed4.0.0-alpha.2 AlphaNov 30, 2023No notes published4.0.0-alpha.1 AlphaNov 30, 2023No notes published4.0.0-alpha.0 AlphaNov 30, 2023No notes published3.9.10 StableOct 10, 2026Fixed13.9.9 StableSep 23, 2026Fixed13.9.8 StableSep 17, 2026Fixed13.9.7 StableSep 16, 2026Changed1Fixed13.9.6 StableJul 21, 2026New2Fixed13.9.5 StableJul 9, 2026No changes listed