dashmap
Blazing fast concurrent HashMap for Rust.
6.2.1
352M downloads/mo
#315 most downloaded on crates.io
xacrimon/dashmap
What this package is like to depend on
Last release 3 months ago
17 May 2026
Release timing varies
gaps range from 3 weeks to 1.2 years
Rarely documented
notes for 3 of 63 stable releases
12 versions withdrawn
withdrawn after publishing
7 years old
85 releases · first in 2019
1 release in the last 12 months
see the full history below
Release timeline
85 releases · Aug 2019 to May 2026Releases
latest 60 of 85-
7.0.0-rc205 Mar 2025 pre-releaseNothing published for this version
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7.0.0-rc114 Feb 2025 pre-releaseRelease notes
Open source →NOTE: This is a release candidate and does not fall under semantic versioning guarantees.
It is intended to permit early access via crates.io, testing and discussing about desired changes in a future stable release.Changelog:
- 0198c59 Merge pull request #331 from tfreiberg-fastly/tfreiberg/entry-ref
- 95e3cc6 Replace once_cell::sync::OnceCell with std::sync::OnceLock
- fca0bd1 Update incorrent sentence on MSRV lag.
- 0c50616 Update special thanks section
- 9a80e95 Rename inline feature to inline-more
- d643213 Use equivalent instead of Borrow for key equality checks.
- 8518023 chore update msrv to 1.70
- 0ecf5e9 chore: update deps
- 65642cb Comment no longer relevant thanks to extensive cleanup efforts
- d65d86c fix downgrade (#329)
- 9b74a37 feat: crate feature named all that enables all features except inline
- 340cdc4 Set readme contents as crate docs (#312)
- 7fc178d chore: cargo fmt
- 55f7cdf misc unsafe removals (#325)
- 54710a6 Merge branch 'hashbrown-0.15' (324)
- 7fb4eb4 Merge branch 'conradludgate-rwlock-detached' (#323)
- c8c936c remove SharedValue (#322)
- 46005cb upgrade to hashbrown 0.15 with HashTable API
- 22bd6af fix newly introduced clippy lints
- a0df3a1 fix send/sync bounds via GuardSend and auto traits
- 613b6b7 add detached guards to iterators
- d2b5073 switch to using detached guards
- 9535936 introduce detached guard abstraction
- 39864b2 Avoid overallocating or growing Vec in Clone (#295)
- 387a8b7 remove SharedValue
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7.0.0-rc013 Feb 2025 pre-releaseRelease notes
Open source →NOTE: This is a release candidate and does not fall under semantic versioning guarantees.
It is intended to permit early access via crates.io, testing and discussing about desired changes in a future stable release.Changelog:
- 95e3cc6 Replace once_cell::sync::OnceCell with std::sync::OnceLock
- fca0bd1 Update incorrent sentence on MSRV lag.
- 0c50616 Update special thanks section
- 9a80e95 Rename inline feature to inline-more
- d643213 Use equivalent instead of Borrow for key equality checks.
- 8518023 chore update msrv to 1.70
- 0ecf5e9 chore: update deps
- 65642cb Comment no longer relevant thanks to extensive cleanup efforts
- d65d86c fix downgrade (#329)
- 9b74a37 feat: crate feature named all that enables all features except inline
- 340cdc4 Set readme contents as crate docs (#312)
- 7fc178d chore: cargo fmt
- 55f7cdf misc unsafe removals (#325)
- 54710a6 Merge branch 'hashbrown-0.15' (324)
- 7fb4eb4 Merge branch 'conradludgate-rwlock-detached' (#323)
- c8c936c remove SharedValue (#322)
- 46005cb upgrade to hashbrown 0.15 with HashTable API
- 22bd6af fix newly introduced clippy lints
- a0df3a1 fix send/sync bounds via GuardSend and auto traits
- 613b6b7 add detached guards to iterators
- d2b5073 switch to using detached guards
- 9535936 introduce detached guard abstraction
- 39864b2 Avoid overallocating or growing Vec in Clone (#295)
- 387a8b7 remove SharedValue
-
6.2.117 May 2026Release notes
Open source →This is an interim maintenance release for the existing v6 branch before v7 can be released. This bumps the MSRV to 1.85 and updates dependencies to their latest versions.
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6.1.005 Sep 2024 -
6.0.124 Jun 2024Release notes
Open source →This is a patch release, now the main release for v6 as v6.0.0 was yanked shortly after release.
Thanks to @JesusGuzmanJr for notifying me about a critical bug that was introduced so that I could resolve it: #304.
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6.0.018 Jun 2024 withdrawnRelease notes
Open source →This release contains performance optimizations, most notably 10-40% gains on Apple Silicon but also 5-10% gains when measured in Intel Sapphire Rapids. This work was accomplished in:
Minor QoL improvements were made in:
Special to the following contributors for making this release possible:
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6.0.0-rc.117 Jun 2024 pre-releaseRelease notes
Open source →This release contains performance optimizations, most notably 10-40% gains on Apple Silicon but also 5-10% gains when measured in Intel Sapphire Rapids. This work was accomplished in:
Minor QoL improvements were made in:
Special to the following contributors for making this release possible:
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5.5.329 Aug 2023Nothing published for this version
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5.5.229 Aug 2023Nothing published for this version
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5.5.122 Aug 2023 withdrawnNothing published for this version
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5.5.011 Jul 2023Nothing published for this version
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5.4.030 Aug 2022Nothing published for this version
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5.3.428 May 2022Nothing published for this version
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5.3.302 May 2022Nothing published for this version
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5.3.230 Apr 2022Nothing published for this version
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5.3.129 Apr 2022Nothing published for this version
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5.3.029 Apr 2022Nothing published for this version
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5.2.014 Mar 2022Nothing published for this version
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5.1.006 Feb 2022Nothing published for this version
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5.0.012 Dec 2021 withdrawnNothing published for this version
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4.0.212 Jan 2021Nothing published for this version
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4.0.126 Dec 2020Nothing published for this version
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4.0.025 Dec 2020Nothing published for this version
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4.0.0-rc609 Jun 2020 pre-releaseNothing published for this version
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4.0.0-rc501 Jun 2020 pre-releaseNothing published for this version
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4.0.0-rc424 May 2020 pre-releaseNothing published for this version
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4.0.0-rc315 May 2020 pre-release withdrawnNothing published for this version
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4.0.0-rc209 May 2020 pre-releaseNothing published for this version
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4.0.0-rc109 May 2020 pre-releaseNothing published for this version
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4.0.0-rc009 May 2020 pre-releaseNothing published for this version
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3.11.1004 Aug 2020Nothing published for this version
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3.11.931 Jul 2020Nothing published for this version
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3.11.831 Jul 2020Nothing published for this version
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3.11.704 Jul 2020Nothing published for this version
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3.11.604 Jul 2020 withdrawnNothing published for this version
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3.11.502 Jul 2020 withdrawnNothing published for this version
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3.11.402 Jun 2020Nothing published for this version
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3.11.302 Jun 2020Nothing published for this version
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3.11.224 May 2020Nothing published for this version
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3.11.119 Apr 2020Nothing published for this version
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3.11.009 Apr 2020Nothing published for this version
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3.10.004 Apr 2020Nothing published for this version
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3.9.131 Mar 2020Nothing published for this version
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3.9.028 Mar 2020Nothing published for this version
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3.8.127 Mar 2020Nothing published for this version
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3.8.027 Mar 2020Nothing published for this version
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3.7.011 Mar 2020Nothing published for this version
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3.6.009 Mar 2020Nothing published for this version
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3.5.126 Feb 2020Nothing published for this version
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3.5.021 Feb 2020Nothing published for this version
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3.4.413 Feb 2020Nothing published for this version
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3.4.307 Feb 2020Nothing published for this version
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3.4.206 Feb 2020 withdrawnNothing published for this version
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3.4.106 Feb 2020 withdrawnNothing published for this version
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3.4.030 Jan 2020Nothing published for this version
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3.2.223 Jan 2020Nothing published for this version
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3.2.117 Jan 2020Nothing published for this version
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3.2.017 Jan 2020Nothing published for this version
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3.1.216 Jan 2020Nothing published for this version