PyPI
setuptools
Most extensible Python build backend with support for C/C++ extension modules
CPANPyPIdistutilseggspackagemanagement
github.com/pypa/setuptoolsMITPython Packaging Authority268M / week2.9k · 1.5k forks · 656 contributors
Release cadenceEvery 6 days
Last releaseOct 20, 2026
Open advisories0
Changelog quality98% curated
CHANGELOG, gaps for some releases
Release history SecurityYou're on
543 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionsetuptools 83 → 8483.0.0 → 84.2.1Oct 20, 2026 BreakingBreaking2Security2Deprecated1New2Changed8Fixed8Other3setuptools 82 → 8382.0.1 → 83.0.0Jul 4, 2026 BreakingBreaking1Security1Platform1setuptools 81 → 8281.0.0 → 82.0.1Mar 9, 2026 BreakingBreaking1Fixed1Other3setuptools 80 → 8180.10.2 → 81.0.0Feb 6, 2026 BreakingBreaking1setuptools 79 → 8079.0.1 → 80.10.2Jan 25, 2026 BreakingBreaking2Deprecated4New1Changed4Fixed7Other4setuptools 78 → 7978.1.1 → 79.0.1Apr 23, 2025 BreakingBreaking1Fixed1setuptools 77 → 7877.0.3 → 78.1.1Apr 19, 2025 Review neededSecurity2Deprecated2setuptools 76 → 7776.1.0 → 77.0.3Mar 20, 2025 SafeFixed4setuptools 75 → 7675.9.1 → 76.1.0Mar 18, 2025 Review neededDeprecated1Fixed3setuptools 74 → 7574.1.3 → 75.9.1Mar 9, 2025 BreakingBreaking3Platform1Deprecated1New3Changed9Fixed12Other1setuptools 73 → 7473.0.1 → 74.1.3Sep 15, 2024 BreakingBreaking3New2Changed3Fixed6Other1setuptools 72 → 7372.2.0 → 73.0.1Aug 20, 2024 Review neededDeprecated1Changed2Fixed3setuptools 71 → 7271.1.0 → 72.2.0Aug 13, 2024 BreakingBreaking1Deprecated1New1setuptools 70 → 7170.3.0 → 71.1.0Jul 21, 2024 Review neededDeprecated1Changed1Fixed3Other2setuptools 69 → 7069.5.1 → 70.3.0Jul 9, 2024 BreakingBreaking4Security1Deprecated2New3Changed5Fixed8Other4setuptools 68 → 6968.2.2 → 69.5.1Apr 13, 2024 BreakingBreaking7Deprecated1New2Changed6Fixed10Other8setuptools 67 → 6867.8.0 → 68.2.2Sep 12, 2023 BreakingBreaking8Platform1New2Changed6Fixed9Other1setuptools 66 → 6766.1.1 → 67.8.0May 19, 2023 BreakingBreaking2Deprecated1New2Changed5Fixed11Other5setuptools 65 → 6665.7.0 → 66.1.1Jan 20, 2023 BreakingBreaking2Changed1Other3setuptools 64 → 6564.0.3 → 65.7.0Jan 11, 2023 BreakingBreaking3Security2Deprecated1Changed4Fixed15Other13setuptools 63 → 6463.4.3 → 64.0.3Aug 12, 2022 BreakingBreaking1Deprecated1New4Changed4Fixed5Other1setuptools 62 → 6362.6.0 → 63.4.3Aug 10, 2022 BreakingBreaking1Deprecated1Changed5Fixed2Other9setuptools 61 → 6261.3.1 → 62.6.0Jun 19, 2022 Unknownsetuptools 60 → 6160.10.0 → 61.3.1Apr 1, 2022 Unknownsetuptools 59 → 6059.8.0 → 60.10.0Mar 16, 2022 Unknownsetuptools 58 → 5958.5.3 → 59.8.0Dec 20, 2021 Unknownsetuptools 57 → 5857.5.0 → 58.5.3Nov 4, 2021 BreakingBreaking2Deprecated5New2Other13setuptools 56 → 5756.2.0 → 57.5.0Sep 4, 2021 Unknownsetuptools 54 → 5654.2.0 → 56.2.0May 9, 2021 Unknownsetuptools 53 → 5453.1.0 → 54.2.0Mar 22, 2021 Unknownsetuptools 52 → 5352.0.0 → 53.1.0Feb 25, 2021 Unknownsetuptools 51 → 5251.3.3 → 52.0.0Jan 24, 2021 Unknownsetuptools 50 → 5150.3.2 → 51.3.3Jan 17, 2021 Unknownsetuptools 49 → 5049.6.0 → 50.3.2Oct 17, 2020 Unknownsetuptools 48 → 4948.0.0 → 49.6.0Aug 14, 2020 Unknownsetuptools 47 → 4847.3.2 → 48.0.0Jul 3, 2020 Unknownsetuptools 46 → 4746.4.0 → 47.3.2Jul 3, 2020 Unknownsetuptools 45 → 4645.3.0 → 46.4.0May 17, 2020 Unknownsetuptools 44 → 4544.1.1 → 45.3.0Mar 7, 2020 Unknownsetuptools 43 → 4443.0.0 → 44.1.1May 29, 2020 Unknownsetuptools 42 → 4342.0.2 → 43.0.0Dec 31, 2019 Unknownsetuptools 41 → 4241.6.0 → 42.0.2Dec 1, 2019 Unknownsetuptools 40 → 4140.9.0 → 41.6.0Oct 29, 2019 Unknownsetuptools 39 → 4039.2.0 → 40.9.0Apr 3, 2019 Unknownsetuptools 38 → 3938.7.0 → 39.2.0May 19, 2018 Unknownsetuptools 37 → 3837.0.0 → 38.7.0Mar 17, 2018 Unknownsetuptools 36 → 3736.8.0 → 37.0.0Nov 20, 2017 BreakingPlatform1setuptools 35 → 3635.0.2 → 36.8.0Nov 20, 2017 Unknownsetuptools 34 → 3534.4.1 → 35.0.2Apr 27, 2017 Unknownsetuptools 33 → 3433.1.1 → 34.4.1Apr 10, 2017 Unknownsetuptools 32 → 3332.3.1 → 33.1.1Jan 16, 2017 Unknownsetuptools 31 → 3231.0.1 → 32.3.1Dec 29, 2016 Unknownsetuptools 30 → 3130.4.0 → 31.0.1Dec 14, 2016 Unknownsetuptools 29 → 3029.0.1 → 30.4.0Dec 10, 2016 BreakingPlatform1New3Changed1Fixed5setuptools 28 → 2928.8.1 → 29.0.1Nov 27, 2016 Unknownsetuptools 27 → 2827.3.1 → 28.8.1Nov 27, 2016 BreakingBreaking1Changed12Fixed5Other2setuptools 26 → 2726.1.1 → 27.3.1Sep 27, 2016 Unknownsetuptools 25 → 2625.4.0 → 26.1.1Aug 29, 2016 Unknownsetuptools 24 → 2524.3.1 → 25.4.0Aug 19, 2016 Unknownsetuptools 23 → 2423.2.1 → 24.3.1Jul 23, 2016 Unknownsetuptools 22 → 2322.0.5 → 23.2.1Jul 2, 2016 Unknownsetuptools 21 → 2221.2.2 → 22.0.5Jun 3, 2016 Unknownsetuptools 20 → 2120.10.1 → 21.2.2May 29, 2016 Unknownsetuptools 19 → 2019.7 → 20.10.1Apr 25, 2016 Unknownsetuptools 18 → 1918.8.1 → 19.7Feb 3, 2016 Unknownsetuptools 17 → 1817.1.1 → 18.8.1Dec 13, 2015 Unknownsetuptools 16 → 1716.0 → 17.1.1Jun 8, 2015 Unknownsetuptools 15 → 1615.2 → 16.0May 18, 2015 Unknownsetuptools 14 → 1514.3.1 → 15.2Apr 26, 2015 Unknownsetuptools 13 → 1413.0.2 → 14.3.1Mar 20, 2015 Unknownsetuptools 12 → 1312.4 → 13.0.2Mar 6, 2015 Unknownsetuptools 11 → 1211.3.1 → 12.4Mar 4, 2015 Unknownsetuptools 10 → 1110.2.1 → 11.3.1Jan 6, 2015 Unknownsetuptools 9 → 109.1 → 10.2.1Jan 2, 2015 Unknownsetuptools 8 → 98.3 → 9.1Dec 29, 2014 Unknownsetuptools 7 → 87.0 → 8.3Dec 24, 2014 Unknownsetuptools 6 → 76.1 → 7.0Oct 19, 2014 BreakingBreaking1setuptools 5 → 65.8 → 6.1Oct 11, 2014 Unknownsetuptools 4 → 54.0.1 → 5.8Sep 18, 2014 Unknownsetuptools 3 → 43.8.1 → 4.0.1Jun 15, 2014 UnknownChanged1setuptools 2 → 32.2 → 3.8.1Jun 14, 2014 Unknownsetuptools 1 → 21.4.2 → 2.2Feb 8, 2014 Unknownsetuptools 0.9 → 10.9.8 → 1.4.2Dec 1, 2013 Unknownsetuptools 0.8 → 0.90.8 → 0.9.8Jul 25, 2013 Unknownsetuptools 0.7 → 0.80.7.8 → 0.8Jul 5, 2013 Unknown
VersionChannelDateChangesSecurity
84.2.1 StableOct 20, 2026Fixed2Other184.2.0 StableOct 19, 2026New1Changed1Fixed184.1.0 youStableOct 19, 2026Security2Changed1Fix84.0.0 StableAug 8, 2026Breaking2Deprecated1New1Changed6Fixed5Other283.0.0 StableJul 4, 2026Breaking1Security1Platform1Fix82.0.1 StableMar 9, 2026Fixed1Other382.0.0 StableFeb 8, 2026Breaking181.0.0 StableFeb 6, 2026Breaking180.10.2 StableJan 25, 2026Changed180.10.1 StableJan 21, 2026No changes listed80.9.0 StableMay 27, 2025Deprecated1Other180.8.0 StableMay 20, 2025Changed2Other180.7.1 StableMay 15, 2025Fixed280.7.0 YankedMay 14, 2025Deprecated180.6.0 StableMay 14, 2025Other280.4.0 StableMay 9, 2025Changed180.3.1 StableMay 4, 2025Fixed180.3.0 YankedMay 3, 2025Breaking1Fixed180.2.0 StableMay 3, 2025New180.1.0 StableApr 30, 2025Deprecated1Fixed1