PyPI
pyarrow
Python library for Apache Arrow
arrowparquet
Release cadenceEvery 2 months
Last releaseOct 9, 2026
Open advisories0
Changelog quality97% curated
CHANGELOG + GitHub Releases, gaps for some releases
Release history SecurityYou're on
14.x15.x16.x17.x18.x19.x20.x21.x22.x23.x24.x25.xSTABLE · RCPRE-RELEASE2024AprJulOct2025AprJulOct2026AprJulOct
43 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionpyarrow 25 → 2625.0.1 → 26.0.0Oct 9, 2026 Unknownpyarrow 24 → 2524.0.0 → 25.0.1Aug 10, 2026 Unknownpyarrow 23 → 2423.0.1 → 24.0.0Apr 21, 2026 Unknownpyarrow 22 → 2322.0.0 → 23.0.1Feb 16, 2026 Review neededSecurity1pyarrow 21 → 2221.0.0 → 22.0.0Oct 24, 2025 Unknownpyarrow 20 → 2120.0.0 → 21.0.0Jul 18, 2025 Unknownpyarrow 19 → 2019.0.1 → 20.0.0Apr 27, 2025 Unknownpyarrow 18 → 1918.1.0 → 19.0.1Feb 18, 2025 Unknownpyarrow 17 → 1817.0.0 → 18.1.0Nov 26, 2024 Unknownpyarrow 16 → 1716.1.0 → 17.0.0Jul 16, 2024 Review neededSecurity1pyarrow 15 → 1615.0.2 → 16.1.0May 14, 2024 BreakingBreaking4Platform3New76Changed64Fixed159Other117pyarrow 14 → 1514.0.2 → 15.0.2Mar 18, 2024 BreakingBreaking6Platform1New95Changed62Fixed113Other99pyarrow 13 → 1413.0.0 → 14.0.2Dec 18, 2023 BreakingBreaking5Security1Platform2Deprecated1New138Changed75Fixed150Other129pyarrow 12 → 1312.0.1 → 13.0.0Aug 23, 2023 BreakingBreaking7Security1Platform2Deprecated1New120Changed71Fixed150Other101pyarrow 11 → 1211.0.0 → 12.0.1Jun 13, 2023 BreakingBreaking7Security1Platform1New140Changed61Fixed125Other155pyarrow 10 → 1110.0.1 → 11.0.0Jan 27, 2023 BreakingBreaking3Platform1Deprecated2New93Changed42Fixed119Other160pyarrow 9 → 109.0.0 → 10.0.1Nov 22, 2022 BreakingBreaking11Platform4Deprecated8New129Changed67Fixed149Other141pyarrow 8 → 98.0.0 → 9.0.0Aug 3, 2022 BreakingBreaking12Security2Platform4Deprecated1New109Changed73Fixed130Other188pyarrow 7 → 87.0.0 → 8.0.0May 6, 2022 BreakingBreaking4Security1Platform2Deprecated4New150Changed76Fixed157Other226pyarrow 6 → 76.0.1 → 7.0.0Feb 3, 2022 BreakingBreaking10Platform3New157Changed91Fixed192Other203pyarrow 5 → 65.0.0 → 6.0.1Nov 18, 2021 BreakingBreaking10Security1Platform2Deprecated4New170Changed90Fixed204Other165pyarrow 4 → 54.0.1 → 5.0.0Jul 28, 2021 BreakingBreaking8Deprecated2New171Changed82Fixed149Other149pyarrow 3 → 43.0.0 → 4.0.1May 30, 2021 BreakingBreaking10Deprecated2New221Changed134Fixed199Other198pyarrow 2 → 32.0.0 → 3.0.0Jan 26, 2021 BreakingBreaking12Platform5Deprecated1New183Changed135Fixed192Other170pyarrow 1 → 21.0.1 → 2.0.0Oct 19, 2020 BreakingBreaking10Platform1Deprecated2New148Changed112Fixed197Other102pyarrow 0.17 → 10.17.1 → 1.0.1Aug 21, 2020 BreakingBreaking19Platform1Deprecated2New214Changed181Fixed294Other192pyarrow 0.16 → 0.170.16.0 → 0.17.1May 18, 2020 BreakingBreaking13Security1Platform1Deprecated4New145Changed101Fixed233Other136pyarrow 0.15 → 0.160.15.1 → 0.16.0Feb 7, 2020 BreakingBreaking10Security2Deprecated1New171Changed131Fixed209Other243pyarrow 0.14 → 0.150.14.1 → 0.15.1Nov 1, 2019 BreakingBreaking11Security2Deprecated1New201Changed119Fixed305Other133pyarrow 0.13 → 0.140.13.0 → 0.14.1Jul 22, 2019 BreakingBreaking6New203Changed99Fixed175Other208pyarrow 0.12 → 0.130.12.1 → 0.13.0Mar 31, 2019 BreakingBreaking3Security1Platform1Deprecated1New131Changed117Fixed202Other160pyarrow 0.11 → 0.120.11.1 → 0.12.1Feb 25, 2019 BreakingBreaking12Platform2Deprecated3New179Changed110Fixed180Other168pyarrow 0.10 → 0.110.10.0 → 0.11.1Oct 24, 2018 BreakingBreaking9Platform3Deprecated1New158Changed151Fixed202Other117pyarrow 0.9 → 0.100.9.0.post1 → 0.10.0Aug 6, 2018 BreakingBreaking11Security1Platform1Deprecated1New91Changed99Fixed159Other122pyarrow 0.8 → 0.90.8.0 → 0.9.0.post1Apr 6, 2018 BreakingBreaking7New55Changed32Fixed100Other74pyarrow 0.7 → 0.80.7.1 → 0.8.0Dec 17, 2017 BreakingBreaking12Deprecated3New93Changed43Fixed83Other65pyarrow 0.6 → 0.70.6.0 → 0.7.1Oct 3, 2017 BreakingBreaking2Deprecated2New53Changed25Fixed43Other52pyarrow 0.5 → 0.60.5.0.post2 → 0.6.0Aug 16, 2017 Review neededSecurity4Deprecated1New20Changed12Fixed30Other29pyarrow 0.4 → 0.50.4.1 → 0.5.0.post2Aug 2, 2017 BreakingBreaking2New39Changed18Fixed58Other25pyarrow 0.3 → 0.40.3.0 → 0.4.1Jun 13, 2017 BreakingBreaking2New29Changed7Fixed45Other39pyarrow 0.2 → 0.30.2.0 → 0.3.0May 8, 2017 BreakingBreaking9Platform1New90Changed57Fixed96Other60
VersionChannelDateChangesSecurity
26.0.0 StableOct 9, 2026No changes listed25.0.1 youStableAug 10, 2026No changes listed25.0.0 StableJul 10, 2026No changes listed24.0.0 StableApr 21, 2026No changes listed23.0.1 StableFeb 16, 2026Security1Fix23.0.0 StableJan 18, 2026No changes listed22.0.0 StableOct 24, 2025No changes listed21.0.0 StableJul 18, 2025No changes listed20.0.0 StableApr 27, 2025No changes listed19.0.1 StableFeb 18, 2025No changes listed19.0.0 StableJan 16, 2025No changes listed18.1.0 StableNov 26, 2024No changes listed18.0.0 StableOct 28, 2024No changes listed17.0.0 StableJul 16, 2024Security1Fix16.1.0 StableMay 14, 2024New1Changed6Fixed19Other916.0.0 StableApr 20, 2024Breaking4Platform3New75Changed58Fixed140Other10815.0.2 StableMar 18, 2024Fixed6Other315.0.1 StableMar 7, 2024Changed4Fixed23Other715.0.0 StableJan 21, 2024Breaking6Platform1New95Changed58Fixed84Other8914.0.2 StableDec 18, 2023Changed3Fixed16Other11