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Cargo

dashmap

Blazing fast concurrent HashMap for Rust.

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concurrentconcurrent-data-structureconcurrent-mapconcurrent-programmingdata-structureshashmaphashtable
github.com/xacrimon/dashmapMITJoel Wejdenstål7.8M / week4.1k · 192 forks · 47 contributors
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Compares against 6.2.1 (latest stable)
Latest Stable6.2.1May 17, 2026
Latest RC7.0.0-rc2Mar 5, 2025
Release cadenceEvery 2 months
Last releaseMay 17, 2026
Open advisories0
Changelog quality100% curated
GitHub Releases
Release history SecurityYou're on
5.x6.x7.x
STABLE · RCPRE-RELEASEJulOct2024AprJulOct2025AprJulOct2026Apr

73 older or filtered releases not shown.

Upgrade guides

Breaking changes and a migration checklist for each major version
dashmap 5 → 65.5.3 → 6.2.1May 17, 2026 BreakingPlatform1Changed1Fixed2Other1dashmap 4 → 54.0.2 → 5.5.3Aug 29, 2023 Unknowndashmap 3 → 43.11.10 → 4.0.2Jan 12, 2021 Unknowndashmap 2 → 32.1.1 → 3.11.10Aug 4, 2020 Unknowndashmap 1 → 21.2.1 → 2.1.1Dec 18, 2019 Unknown
VersionChannelDateChangesSecurity
7.0.0-rc2 RCMar 5, 2025No changes listed7.0.0-rc1 RCFeb 14, 2025No changes listed7.0.0-rc0 RCFeb 13, 2025No changes listed6.2.1 StableMay 17, 2026Platform1Changed16.1.0 youStableSep 5, 2024No changes listed6.0.1 StableJun 24, 2024Fixed2Other16.0.0 YankedJun 18, 2024No changes listed6.0.0-rc.1 RCJun 17, 2024No changes listed5.5.3 StableAug 29, 2023No changes listed5.5.2 StableAug 29, 2023No changes listed5.5.1 YankedAug 22, 2023No changes listed5.5.0 StableJul 11, 2023No changes listed5.4.0 StableAug 30, 2022No changes listed5.3.4 StableMay 28, 2022No changes listed5.3.3 StableMay 2, 2022No changes listed5.3.2 StableApr 30, 2022No changes listed5.3.1 StableApr 29, 2022No changes listed5.3.0 StableApr 29, 2022No changes listed5.2.0 StableMar 14, 2022No changes listed5.1.0 StableFeb 6, 2022No changes listedFix