Cargo
arrayvec
A vector with fixed capacity, backed by an array (it can be stored on the stack too). Implements fixed capacity ArrayVec and ArrayString.
rust
Release cadenceEvery 2 months
Last releaseJul 2, 2026
Open advisories0
Changelog quality100% curated
CHANGELOG + GitHub Releases
Release history Security
53 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionarrayvec 0.6 → 0.70.6.1 → 0.7.8Jul 2, 2026 BreakingBreaking2New10Changed6Fixed5Other4arrayvec 0.5 → 0.60.5.2 → 0.6.1Mar 29, 2021 Review neededDeprecated1New1Changed2Fixed2Other2arrayvec 0.4 → 0.50.4.12 → 0.5.2Oct 23, 2020 Unknownarrayvec 0.3 → 0.40.3.25 → 0.4.12Oct 9, 2019 Unknownarrayvec 0.2 → 0.30.2.0 → 0.3.25Jan 17, 2018 Unknownarrayvec 0.1 → 0.20.1.2 → 0.2.0May 21, 2015 Unknown
VersionChannelDateChangesSecurity
0.7.8 StableJul 2, 2026Other10.7.7 StableJun 20, 2026Changed1Fixed20.7.6 StableAug 17, 2024Fixed10.7.5 StableAug 17, 2024Breaking1New4Fixed1Other10.7.4 StableJun 17, 2023New10.7.3 StableJun 12, 2023Changed1Fixed1Other20.7.2 StableOct 28, 2021New3Changed20.7.1 StableJun 5, 2021New1Changed10.7.0 StableMar 29, 2021Breaking1New1Changed10.6.1 youStableMar 29, 2021Deprecated1Fixed2Other10.6.0 StableMar 24, 2021New1Changed2Other10.5.2 StableOct 23, 2020No changes listed0.5.1 StableOct 9, 2019No changes listed0.5.0 StableSep 25, 2019No changes listed0.4.12 StableOct 9, 2019No changes listed0.4.11 StableJul 10, 2019No changes listed0.4.10 StableDec 22, 2018No changes listed0.4.9 StableDec 16, 2018No changes listed0.4.8 StableNov 25, 2018No changes listed0.4.7 StableJan 17, 2018No changes listed