PyPI
cloudpickle
Pickler class to extend the standard pickle.Pickler functionality
github.com/cloudpipe/cloudpickleBSD-3-ClauseThe cloudpickle developer team46.3M / week1.9k · 212 forks · 66 contributors
Release cadenceEvery 4 months
Last releaseNov 3, 2025
Open advisories0
Changelog quality100% curated
CHANGELOG + GitHub Releases
Release history SecurityYou're on
36 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versioncloudpickle 2 → 32.2.1 → 3.1.2Nov 3, 2025 BreakingPlatform1Fixed2Other1cloudpickle 1 → 21.6.0 → 2.2.1Jan 19, 2023 BreakingPlatform2New5Changed2Fixed4cloudpickle 0.8 → 10.8.1 → 1.6.0Aug 25, 2020 BreakingPlatform2New7Changed4Fixed15Other1cloudpickle 0.7 → 0.80.7.0 → 0.8.1Mar 25, 2019 UnknownFixed1cloudpickle 0.6 → 0.70.6.1 → 0.7.0Jan 23, 2019 Unknowncloudpickle 0.5 → 0.60.5.6 → 0.6.1Oct 10, 2018 Unknowncloudpickle 0.4 → 0.50.4.4 → 0.5.6Sep 13, 2018 Unknowncloudpickle 0.3 → 0.40.3.1 → 0.4.4May 14, 2018 Unknowncloudpickle 0.2 → 0.30.2.2 → 0.3.1May 31, 2017 Unknowncloudpickle 0.1 → 0.20.1.1 → 0.2.2Jan 2, 2017 Unknown
VersionChannelDateChangesSecurity
3.1.2 StableNov 3, 2025Fixed13.1.1 StableJan 14, 2025Fixed13.1.0 StableOct 11, 2024No changes listed3.0.0 youStableOct 16, 2023Platform1Other12.2.1 StableJan 19, 2023Fixed12.2.0 StableSep 7, 2022Fixed12.1.0 StableMay 20, 2022Platform1New2Changed12.0.0 StableSep 10, 2021Platform1New3Changed1Fixed21.6.0 StableAug 25, 2020New1Changed11.5.0 StableJul 1, 2020New1Fixed1Other11.4.1 StableApr 29, 2020Fixed21.4.0 StableApr 27, 2020Platform1New2Changed1Fixed11.3.0 StableFeb 10, 2020New1Fixed71.2.2 StableSep 10, 2019New1Changed1Fixed11.2.1 StableJun 10, 2019Platform11.2.0 StableJun 7, 2019New1Changed2Fixed11.1.1 StableMay 15, 2019Fixed11.0.0 StableMay 6, 2019Fixed10.8.1 StableMar 25, 2019Fixed10.8.0 StableFeb 13, 2019No changes listed