PyPI
gunicorn
WSGI HTTP Server for UNIX
httphttp-serverpythonwsgiwsgi-server
github.com/benoitc/gunicorngunicorn.orgMITBenoit Chesneau29.2M / week10.7k · 1.9k forks · 455 contributors
Release cadenceEvery 5 days
Last releaseAug 24, 2026
Open advisories0
Changelog quality77% curated
GitHub Releases, gaps for some releases
Release history SecurityYou're on
84 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versiongunicorn 25 → 2625.3.0 → 26.2.0Aug 24, 2026 BreakingBreaking4Security9New4Changed3Fixed22Other4gunicorn 24 → 2524.1.1 → 25.3.0Mar 27, 2026 BreakingBreaking1Security1Deprecated1New11Changed4Fixed20Other8gunicorn 23 → 2423.0.0 → 24.1.1Jan 24, 2026 SafeSecurity3New8Fixed10gunicorn 22 → 2322.0.0 → 23.0.0Aug 10, 2024 BreakingBreaking5New1Changed1Fixed3Other7gunicorn 21 → 2221.2.0 → 22.0.0Apr 16, 2024 SafeSecurity2Other2gunicorn 20 → 2120.1.0 → 21.2.0Jul 19, 2023 UnknownNew2Changed1Fixed2Other2gunicorn 19 → 2019.10.0 → 20.1.0Mar 27, 2021 BreakingBreaking3Security1Platform2New12Changed17Fixed32Other25gunicorn 18 → 1918.0 → 19.10.0Nov 23, 2019 BreakingBreaking4Security1Deprecated1New20Changed15Fixed55Other12gunicorn 17 → 1817.5 → 18.0Aug 27, 2013 Unknowngunicorn 0.17 → 170.17.4 → 17.5Jul 3, 2013 Unknowngunicorn 0.16 → 0.170.16.1 → 0.17.4Apr 24, 2013 Unknowngunicorn 0.15 → 0.160.15.0 → 0.16.1Nov 19, 2012 Unknowngunicorn 0.14 → 0.150.14.6 → 0.15.0Oct 18, 2012 Unknowngunicorn 0.13 → 0.140.13.4 → 0.14.6Jul 26, 2012 Unknowngunicorn 0.12 → 0.130.12.2 → 0.13.4Sep 23, 2011 Unknowngunicorn 0.11 → 0.120.11.2 → 0.12.2May 18, 2011 Unknowngunicorn 0.10 → 0.110.10.1 → 0.11.2Oct 30, 2010 Unknowngunicorn 0.9 → 0.100.9.1 → 0.10.1Aug 6, 2010 Unknowngunicorn 0.8 → 0.90.8.1 → 0.9.1May 26, 2010 Unknowngunicorn 0.7 → 0.80.7.2 → 0.8.1Apr 29, 2010 Unknowngunicorn 0.6 → 0.70.6.6 → 0.7.2Apr 15, 2010 Unknowngunicorn 0.5 → 0.60.5.1 → 0.6.6Mar 13, 2010 Unknowngunicorn 0.4 → 0.50.4.2 → 0.5.1Feb 22, 2010 Unknowngunicorn 0.3 → 0.40.3.2 → 0.4.2Feb 9, 2010 Unknowngunicorn 0.2 → 0.30.2.1 → 0.3.2Feb 3, 2010 Unknowngunicorn 0.1 → 0.20.1 → 0.2.1Jan 26, 2010 Unknown
VersionChannelDateChangesSecurity
26.2.0 StableAug 24, 2026Breaking2Security3Changed1Fixed1Other126.1.0 youStableAug 18, 2026Breaking1Security1New1Changed1Fixed15Other126.0.0 StableMay 5, 2026Breaking1Security5New3Changed1Fixed6Other225.3.0 StableMar 27, 2026Security1New1Fixed5Other225.2.0 StableMar 24, 2026New1Changed1Fixed225.1.0 StableFeb 13, 2026New4Changed1Other225.0.3 StableFeb 7, 2026Fixed2Other125.0.2 StableFeb 6, 2026Fixed3Other225.0.1 StableFeb 2, 2026Changed1Fixed1Other125.0.0 StableFeb 1, 2026Breaking1Deprecated1New5Changed1Fixed724.1.1 StableJan 24, 2026Fixed124.1.0 StableJan 23, 2026New5Fixed924.0.0 StableJan 23, 2026Security3New323.0.0 StableAug 10, 2024Breaking5New1Changed1Fixed3Other722.0.0 StableApr 16, 2024Security2Other2Fix21.2.0 StableJul 19, 2023Other221.1.0 StableJul 18, 2023Fixed121.0.1 StableJul 17, 2023New2Changed1Fixed121.0.0 StableJul 17, 2023No notes published20.1.0 StableMar 27, 2021Breaking2Platform1New4Changed4Fixed8Other9