Cargo
bitflags
A macro to generate structures which behave like bitflags.
bitflagsmacrosstructures
Release cadenceEvery 2 months
Last releaseSep 10, 2026
Open advisories0
Changelog quality100% curated
GitHub Releases
Release history SecurityYou're on
45 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionbitflags 1 → 21.3.2 → 2.13.2Sep 10, 2026 BreakingBreaking3Platform1New15Changed7Fixed8Other26bitflags 0.9 → 10.9.1 → 1.3.2Aug 16, 2021 Unknownbitflags 0.8 → 0.90.8.2 → 0.9.1May 29, 2017 Unknownbitflags 0.7 → 0.80.7.0 → 0.8.2Mar 24, 2017 Unknownbitflags 0.6 → 0.70.6.0 → 0.7.0May 15, 2016 Unknownbitflags 0.5 → 0.60.5.0 → 0.6.0Apr 20, 2016 Unknownbitflags 0.4 → 0.50.4.0 → 0.5.0Feb 28, 2016 Unknownbitflags 0.3 → 0.40.3.3 → 0.4.0Jan 13, 2016 Unknownbitflags 0.2 → 0.30.2.1 → 0.3.3Nov 16, 2015 Unknownbitflags 0.1 → 0.20.1.1 → 0.2.1Jun 1, 2015 Unknown
VersionChannelDateChangesSecurity
2.13.2 StableSep 10, 2026Fixed1Other12.13.1 StableJul 15, 2026Changed12.13.0 StableJun 5, 2026New12.12.1 youStableJun 2, 2026Breaking12.12.0 YankedMay 29, 2026New2Other12.11.1 StableApr 14, 2026New1Other32.11.0 StableFeb 14, 2026New1Fixed1Other12.10.0 StableOct 19, 2025New1Other22.9.4 StableSep 2, 2025New1Other12.9.3 StableAug 22, 2025Other22.9.2 StableAug 16, 2025Platform1Fixed2Other12.9.1 StableMay 15, 2025Other22.9.0 StableMar 1, 2025New1Fixed1Other12.8.0 StableJan 15, 2025New1Other22.7.0 StableJan 10, 2025New2Changed2Fixed2Other22.6.0 StableJun 24, 2024New2Changed3Fixed1Other32.5.0 StableMar 19, 2024New1Other22.4.2 StableJan 16, 2024Breaking2New1Changed1Other22.4.1 StableOct 15, 2023No changes listed2.4.0 StableAug 11, 2023No changes listed