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ramsey/uuid

A PHP library for generating and working with universally unique identifiers (UUIDs).

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guididentifiersphpphp8uiduuid
ramseygithub.com/ramsey/uuidMITramsey3.8M / week12.6k · 533 forks · 119 contributors
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Compares against 4.9.4 (latest stable)
Latest Stable4.9.4Sep 16, 2026
Latest Beta4.0.0-beta2Mar 1, 2020
Latest Alpha4.0.0-alpha5Feb 23, 2020
Release cadenceEvery 3 months
Last releaseSep 16, 2026
Open advisories0
Changelog quality100% curated
GitHub Releases + CHANGELOG
Release history SecurityYou're on
4.x
STABLE · RCPRE-RELEASEOct2024AprJulOct2025AprJulOct2026AprJul

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Breaking changes and a migration checklist for each major version
ramsey/uuid 3 → 43.9.7 → 4.9.4Sep 16, 2026 BreakingBreaking4Platform1Deprecated28New40Changed58Fixed34Other1ramsey/uuid 2 → 32.9.0 → 3.9.7Dec 19, 2022 Unknownramsey/uuid 1 → 21.1.2 → 2.9.0Mar 22, 2016 Unknown
VersionChannelDateChangesSecurity
4.9.4 StableSep 16, 2026Changed14.9.3 StableJun 18, 2026Changed24.9.2 StableDec 14, 2025Changed1Fixed14.9.1 StableSep 4, 2025Changed1Fixed14.9.0 StableJun 25, 2025New1Fixed14.8.1 youStableJun 1, 2025Other14.8.0 StableJun 1, 2025Deprecated4Changed1Fixed54.7.6 StableApr 27, 2024Changed14.7.5 StableNov 8, 2023Fixed24.7.4 StableApr 15, 2023Fixed44.7.3 StableJan 12, 2023Fixed14.7.2 StableJan 12, 2023Fixed24.7.1 StableDec 31, 2022Fixed14.7.0 StableDec 19, 2022New1Fixed14.6.0 StableNov 5, 2022New1Fixed14.5.1 StableSep 16, 2022Fixed14.5.0 StableSep 15, 2022Deprecated2New4Changed1Fixed24.4.0 StableAug 5, 2022Changed34.3.1 StableMar 27, 2022Deprecated14.3.0 StableMar 26, 2022Platform1Deprecated3Changed3Fixed1