crates.io · crates:memmap2

memmap2 active

Cross-platform Rust API for memory-mapped file IO

Latest stable version	0.9.11
Published	2026-06-22 16:04:03 UTC
Install	`cargo add memmap2`
Minimum Rust version (rust-version)	`Rust ≥ 1.65`
License	MIT OR Apache-2.0
Advisories on latest version	none known
Last verified	2026-10-08 14:54:31 UTC
Sources	api.osv.dev, crates.io

Maintenance

Activity	active
Last stable release	2026-06-22 16:04:03 UTC · 108 days ago
Stable releases in the last 12 months	3
Published versions	36

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`0.9.11`	2026-06-22 16:04:03 UTC
`0.9.10`	2026-02-15 10:52:52 UTC
`0.9.9`	2025-10-21 14:47:43 UTC
`0.9.8`	2025-08-22 09:04:43 UTC
`0.9.7`	2025-07-13 08:45:55 UTC
`0.9.5`	2024-09-13 16:09:38 UTC
`0.9.4`	2024-01-25 07:33:38 UTC
`0.9.3`	2023-12-19 11:09:51 UTC
`0.9.2` withdrawn	2023-12-17 11:59:46 UTC
`0.9.1` withdrawn	2023-12-16 13:57:35 UTC
`0.9.0`	2023-10-03 15:13:35 UTC
`0.8.0`	2023-09-25 00:28:07 UTC
`0.7.1`	2023-06-24 13:58:22 UTC
`0.7.0`	2023-06-08 10:44:14 UTC
`0.6.2`	2023-05-24 13:56:15 UTC
`0.6.1`	2023-05-10 11:07:14 UTC
`0.6.0`	2023-05-09 17:04:49 UTC
`0.5.10`	2023-02-22 18:51:04 UTC
`0.5.9`	2023-02-17 15:26:28 UTC
`0.5.8`	2022-11-09 12:29:32 UTC

Showing the 20 most recent of 36 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Runtime	Newest compatible version
`rust 1.63`	`0.9.10`
`rust 1.70`	`0.9.11`
`rust 1.75`	`0.9.11`
`rust 1.80`	`0.9.11`
`rust 1.85`	`0.9.11`
`rust 1.90`	`0.9.11`

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Frequently asked questions

What is the latest version of memmap2?

The latest stable version of memmap2 is 0.9.11, published on 2026-06-22. Verified by Vigia on 2026-10-08.

How do I install the latest version of memmap2?

Run cargo add memmap2. The latest stable version is 0.9.11 (verified 2026-10-08).

Is memmap2 deprecated?

No. memmap2 is not marked as deprecated in the registry.

Which Rust version does memmap2 require?

memmap2 0.9.11 declares this requirement: Rust ≥ 1.65.

Does memmap2 0.9.11 have known vulnerabilities?

No known advisories affect memmap2 0.9.11 according to the data Vigia checks.

Is memmap2 still maintained?

memmap2 published 3 stable releases in the last 12 months; the most recent was 108 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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