PyPI
python-ulid
Universally unique lexicographically sortable identifier
ulidunique-iduuid
Release cadenceEvery 3 weeks
Last releaseOct 27, 2026
Open advisories0
Changelog quality88% curated
GitHub Releases + CHANGELOG, gaps for some releases
Release history SecurityYou're on
10 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionpython-ulid 3 → 43.2.1 → 4.1.0Oct 27, 2026 BreakingBreaking3Platform1New3Fixed3python-ulid 2 → 32.7.0 → 3.2.1Jul 19, 2026 BreakingBreaking1Platform1New3Changed4Fixed5Other5python-ulid 1 → 21.1.0 → 2.7.0Jun 17, 2024 UnknownNew6Changed6Other1python-ulid 0.2 → 10.2.0 → 1.1.0Mar 10, 2022 Unknownpython-ulid 0.1 → 0.20.1.1 → 0.2.0Sep 21, 2017 Unknownpython-ulid 0.0 → 0.10.0.0 → 0.1.1Sep 20, 2017 Unknown
VersionChannelDateChangesSecurity
4.1.0 StableOct 27, 2026Platform1Fixed34.0.1 youStableJul 20, 2026Breaking14.0.0 StableJul 20, 2026Breaking2New33.2.1 StableJul 19, 2026Other13.2.0 StableJul 17, 2026Platform1New2Changed1Fixed2Other33.1.0 StableAug 18, 2025Changed3Fixed23.0.0 StableOct 11, 2024Breaking1New1Fixed1Other12.7.0 StableJun 17, 2024Changed12.6.0 StableMay 25, 2024Changed12.5.0 StableApr 26, 2024Changed12.4.0.post0 StableApr 2, 2024No notes published2.4.0 StableApr 2, 2024New1Other12.3.0 StableMar 21, 2024New2Changed22.2.0 StableSep 21, 2023New22.1.0 StableSep 21, 2023New1Changed12.0.1 StableSep 20, 2023No notes published1.1.0 StableMar 10, 2022No changes listed1.0.3 StableJul 13, 2021No changes listed1.0.2 StableSep 21, 2020No changes listed1.0.0 StableApr 30, 2020No changes listed