Cargo
parking_lot
More compact and efficient implementations of the standard synchronization primitives.
mutexthreadrwlockcondvaronceconcurrency
github.com/Amanieu/parking_lotMITAmanieu d'Antras, Linus Färnstrand20.5M / week3.4k · 285 forks · 130 contributors
Release cadenceEvery 5 months
Last releaseOct 21, 2026
Open advisories0
Changelog quality100% curated
CHANGELOG + GitHub Releases
Release history SecurityYou're on
54 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionparking_lot 0.12 → 0.130.12.5 → 0.13.0Oct 21, 2026 BreakingBreaking8Platform1New6Changed6Fixed10Other1parking_lot 0.11 → 0.120.11.2 → 0.12.5Oct 3, 2025 BreakingBreaking1Platform1New5Changed2Fixed7Other2parking_lot 0.10 → 0.110.10.2 → 0.11.2Aug 27, 2021 Unknownparking_lot 0.9 → 0.100.9.0 → 0.10.2Apr 10, 2020 Unknownparking_lot 0.8 → 0.90.8.0 → 0.9.0Jul 14, 2019 Unknownparking_lot 0.7 → 0.80.7.1 → 0.8.0May 4, 2019 Unknownparking_lot 0.6 → 0.70.6.4 → 0.7.1Jan 1, 2019 Unknownparking_lot 0.5 → 0.60.5.5 → 0.6.4Aug 29, 2018 Unknownparking_lot 0.4 → 0.50.4.8 → 0.5.5Apr 27, 2018 Unknownparking_lot 0.3 → 0.40.3.8 → 0.4.8Sep 17, 2017 Unknownparking_lot 0.2 → 0.30.2.8 → 0.3.8Feb 12, 2017 Unknownparking_lot 0.1 → 0.20.1.3 → 0.2.8Aug 16, 2016 Unknown
VersionChannelDateChangesSecurity
0.13.0 StableOct 21, 2026Breaking8Platform1New6Changed6Fixed10Other10.12.5 youStableOct 3, 2025Platform1New2Changed2Fixed20.12.4 StableMay 29, 2025Breaking1Fixed2Other10.12.3 StableMay 24, 2024Other10.12.2 StableApr 25, 2024New2Fixed20.12.1 StableMay 31, 2022New1Fixed10.12.0 StableJan 28, 2022No changes listed0.11.2 StableAug 27, 2021No changes listed0.11.1 StableNov 18, 2020No changes listed0.11.0 StableJun 23, 2020No changes listed0.10.2 StableApr 10, 2020No changes listed0.10.1 StableApr 10, 2020No changes listed0.10.0 StableNov 25, 2019No changes listed0.9.0 StableJul 14, 2019No changes listed0.8.1 YankedJul 3, 2019No changes listed0.8.0 StableMay 4, 2019No changes listed0.7.1 StableJan 1, 2019No changes listed0.7.0 StableNov 26, 2018No changes listed0.6.4 StableAug 29, 2018No changes listed0.6.3 StableJul 18, 2018No changes listed