crates.io · crates:fs4

fs4 active

No libc, pure Rust cross-platform file locks. Original fs2, now supports async and replace libc by rustix.

Latest stable version	1.1.0
Published	2026-04-28 05:30:17 UTC
Install	`cargo add fs4`
Minimum Rust version (rust-version)	`Rust ≥ 1.75.0`
License	MIT OR Apache-2.0
Advisories on latest version	none known
Last verified	2026-10-09 03:10:44 UTC
Sources	api.osv.dev, crates.io

Maintenance

Activity	active
Last stable release	2026-04-28 05:30:17 UTC · 164 days ago
Stable releases in the last 12 months	4
Published versions	32

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

Version history

Version	Published
`1.1.0`	2026-04-28 05:30:17 UTC
`1.0.2`	2026-04-23 23:24:30 UTC
`1.0.1`	2026-04-23 00:11:59 UTC
`1.0.0`	2026-04-22 04:16:08 UTC
`0.13.1`	2025-03-08 07:55:58 UTC
`0.13.0`	2025-02-23 04:34:30 UTC
`0.12.0`	2024-11-30 14:04:19 UTC
`0.11.1`	2024-11-07 18:22:17 UTC
`0.11.0`	2024-11-04 14:22:20 UTC
`0.10.0` withdrawn	2024-10-08 09:09:52 UTC
`0.9.1`	2024-07-30 05:22:17 UTC
`0.9.0` withdrawn	2024-07-27 18:46:44 UTC
`0.8.4`	2024-06-11 06:58:10 UTC
`0.8.3`	2024-05-09 09:32:58 UTC
`0.8.2`	2024-04-02 08:37:51 UTC
`0.8.1`	2024-03-08 15:14:13 UTC
`0.8.0`	2024-02-25 17:44:27 UTC
`0.7.1` withdrawn	2024-02-25 16:01:46 UTC
`0.7.0`	2023-09-30 20:01:09 UTC
`0.6.6`	2023-07-03 12:52:17 UTC

Showing the 20 most recent of 32 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`	`0.8.2`
`rust 1.70`	`0.8.2`
`rust 1.75`	`1.1.0`
`rust 1.80`	`1.1.0`
`rust 1.85`	`1.1.0`
`rust 1.90`	`1.1.0`

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Frequently asked questions

What is the latest version of fs4?

The latest stable version of fs4 is 1.1.0, published on 2026-04-28. Verified by Vigia on 2026-10-09.

How do I install the latest version of fs4?

Run cargo add fs4. The latest stable version is 1.1.0 (verified 2026-10-09).

Is fs4 deprecated?

No. fs4 is not marked as deprecated in the registry.

Which Rust version does fs4 require?

fs4 1.1.0 declares this requirement: Rust ≥ 1.75.0.

Does fs4 1.1.0 have known vulnerabilities?

No known advisories affect fs4 1.1.0 according to the data Vigia checks.

Is fs4 still maintained?

fs4 published 4 stable releases in the last 12 months; the most recent was 164 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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