Cargo
smallvec
'Small vector' optimization: store up to a small number of items on the stack
vectorvecstackno_stdsmalldata-structures
github.com/servo/rust-smallvecsmallvec.rsMITAlejandro Vaz, Josh Bowman-Matthews, Matt Brubeck +227.5M / week1.8k · 231 forks · 126 contributors
Release cadenceEvery 2 months
Last releaseOct 30, 2026
Open advisories0
Changelog quality100% curated
GitHub Releases
Release history SecurityYou're on
56 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionsmallvec 0.6 → 10.6.14 → 1.16.4Oct 23, 2026 BreakingBreaking1New4Changed4Fixed9Other11smallvec 0.5 → 0.60.5.1 → 0.6.14Jan 8, 2021 Unknownsmallvec 0.4 → 0.50.4.5 → 0.5.1Jul 20, 2018 Unknownsmallvec 0.3 → 0.40.3.4 → 0.4.5Jul 20, 2018 Unknownsmallvec 0.2 → 0.30.2.1 → 0.3.4Jul 20, 2018 Unknownsmallvec 0.1 → 0.20.1.8 → 0.2.1Oct 4, 2016 Unknown
VersionChannelDateChangesSecurity
2.0.0-beta.4 BetaOct 30, 2026No changes listed2.0.0-beta.3 BetaOct 16, 2026Deprecated1New9Changed3Fixed3Other62.0.0-beta.2 BetaOct 3, 2026Deprecated1New3Changed5Fixed3Other222.0.0-beta.1 BetaSep 20, 2026Breaking1New3Changed1Fixed3Other152.0.0-alpha.13 AlphaSep 3, 2026Breaking2Deprecated1New9Changed11Fixed5Other412.0.0-alpha.12 AlphaNov 16, 2025Security1Platform1New2Changed5Other12.0.0-alpha.11 AlphaMar 20, 2025New22.0.0-alpha.10 AlphaJan 15, 2025No changes listed2.0.0-alpha.9 AlphaDec 17, 2024No changes listed2.0.0-alpha.8 AlphaDec 10, 2024No changes listed2.0.0-alpha.7 AlphaJul 27, 2024No changes listed2.0.0-alpha.6 AlphaMay 10, 2024No changes listed2.0.0-alpha.5 AlphaMar 23, 2024No changes listed2.0.0-alpha.4 AlphaMar 3, 2024No changes listed2.0.0-alpha.3 AlphaJan 20, 2024No changes listed2.0.0-alpha.2 AlphaJan 14, 2024No changes listed2.0.0-alpha.1 AlphaNov 7, 2023No changes listed1.16.4 StableOct 23, 2026No changes listed1.16.3 StableOct 10, 2026Fixed1Other21.16.2 StableSep 25, 2026Changed1Fixed1Other2