PyPI
Werkzeug
The comprehensive WSGI web application library.
httppalletspythonwerkzeugwsgi
Release cadenceEvery 9 days
Last releaseSep 27, 2026
Open advisories0
Changelog quality99% curated
GitHub Releases + CHANGELOG, gaps for some releases
Release history SecurityYou're on
88 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionWerkzeug 2 → 32.3.8 → 3.1.9Sep 27, 2026 BreakingBreaking8Security10Platform1Deprecated1New5Changed10Fixed39Other2Werkzeug 1 → 21.0.1 → 2.3.8Nov 8, 2023 UnknownSecurity3Werkzeug 0.16 → 10.16.1 → 1.0.1Mar 31, 2020 BreakingBreaking1Werkzeug 0.15 → 0.160.15.6 → 0.16.1Jan 27, 2020 Review neededDeprecated2Werkzeug 0.14 → 0.150.14.1 → 0.15.6Sep 4, 2019 SafeSecurity2Fixed1Werkzeug 0.13 → 0.140.13 → 0.14.1Dec 31, 2017 BreakingBreaking1New10Changed6Fixed7Werkzeug 0.12 → 0.130.12.2 → 0.13Dec 7, 2017 UnknownWerkzeug 0.11 → 0.120.11.15 → 0.12.2May 16, 2017 Review neededSecurity2Deprecated1New9Changed7Fixed13Werkzeug 0.10 → 0.110.10.4 → 0.11.15Dec 30, 2016 Review neededSecurity6New2Changed10Fixed32Other1Werkzeug 0.9 → 0.100.9.6 → 0.10.4Mar 26, 2015 BreakingBreaking2New10Changed7Fixed19Other2Werkzeug 0.8 → 0.90.8.3 → 0.9.6Jun 7, 2014 BreakingBreaking9Security1Deprecated1New22Changed15Fixed30Werkzeug 0.7 → 0.80.7.2 → 0.8.3Feb 5, 2012 BreakingBreaking2Security2Platform1New6Changed10Fixed13Other1Werkzeug 0.6 → 0.70.6.2 → 0.7.2Sep 30, 2011 BreakingBreaking1Security1Deprecated1New23Changed13Fixed13Werkzeug 0.5 → 0.60.5.1 → 0.6.2Apr 23, 2010 BreakingBreaking3Deprecated3New20Changed12Fixed17Other1Werkzeug 0.4 → 0.50.4.1 → 0.5.1Jul 9, 2009 BreakingBreaking5Platform1Deprecated1New25Changed6Fixed13Werkzeug 0.3 → 0.40.3.1 → 0.4.1Jan 11, 2009 BreakingPlatform1New8Changed8Fixed13Werkzeug 0.2 → 0.30.2 → 0.3.1Jun 24, 2008 BreakingBreaking2Security1New16Changed3Fixed4Werkzeug 0.1 → 0.20.1 → 0.2Feb 13, 2008 BreakingBreaking3Deprecated1New18Changed6Fixed1Other1
VersionChannelDateChangesSecurity
3.1.9 StableSep 27, 2026Security2Changed5Fixed7Fix3.1.8 StableApr 2, 2026Fixed13.1.7 StableMar 24, 2026Changed2Fixed53.1.6 StableFeb 19, 2026Security1Fix3.1.5 StableJan 8, 2026Security1Fixed2Fix3.1.4 StableNov 29, 2025Security1Fixed6Fix3.1.3 StableNov 8, 2024Fixed23.1.2 StableNov 4, 2024Changed1Fixed13.1.1 StableNov 1, 2024Fixed13.1.0 StableOct 31, 2024Breaking8Security1Platform1Deprecated1New5Changed1Fixed2Other13.0.6 youStableOct 25, 2024Security2Fix3.0.5 StableOct 25, 2024Fixed4Other13.0.4 StableAug 21, 2024Fixed53.0.3 StableMay 5, 2024Security1Changed1Fixed3Fix3.0.2 StableApr 1, 2024No changes listed3.0.1 StableOct 24, 2023Security1Fix3.0.0 StableSep 30, 2023No changes listed2.3.8 StableNov 8, 2023Security1Fix2.3.7 StableAug 14, 2023No changes listed2.3.6 StableJun 8, 2023No changes listed