crates.io · crates:defmt

defmt active

A highly efficient logging framework that targets resource-constrained devices, like microcontrollers

Latest stable version	1.1.1
Published	2026-07-03 14:14:30 UTC
Install	`cargo add defmt`
Minimum Rust version (rust-version)	none declared
License	MIT OR Apache-2.0
Advisories on latest version	none known
Last verified	2026-10-09 03:12:14 UTC
Sources	api.osv.dev, crates.io

Maintenance

Activity	active
Last stable release	2026-07-03 14:14:30 UTC · 97 days ago
Stable releases in the last 12 months	2
Published versions	29

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

Version history

Version	Published
`1.1.1`	2026-07-03 14:14:30 UTC
`1.1.0`	2026-05-12 10:04:49 UTC
`1.0.1`	2025-04-01 16:36:27 UTC
`0.3.100`	2025-04-01 14:47:45 UTC
`1.0.0` withdrawn	2025-04-01 14:33:23 UTC
`0.3.10`	2024-11-29 15:21:14 UTC
`0.3.9` withdrawn	2024-11-27 19:03:27 UTC
`0.3.8`	2024-05-17 13:39:31 UTC
`0.3.7` withdrawn	2024-05-13 16:28:20 UTC
`0.3.6`	2024-02-07 18:07:28 UTC
`0.3.5`	2023-06-19 09:24:48 UTC
`0.3.4`	2023-04-05 12:54:27 UTC
`0.3.3` withdrawn	2023-03-29 20:02:16 UTC
`0.3.2`	2022-05-31 14:14:52 UTC
`0.3.1` withdrawn	2022-03-10 13:03:39 UTC
`0.3.0`	2021-11-10 02:44:14 UTC
`0.2.3`	2021-06-17 13:33:27 UTC
`0.2.2`	2021-05-21 14:56:59 UTC
`0.2.1`	2021-03-08 19:17:32 UTC
`0.2.0`	2021-02-19 22:40:18 UTC

Showing the 20 most recent of 25 versions. JSON

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Frequently asked questions

What is the latest version of defmt?

The latest stable version of defmt is 1.1.1, published on 2026-07-03. Verified by Vigia on 2026-10-09.

How do I install the latest version of defmt?

Run cargo add defmt. The latest stable version is 1.1.1 (verified 2026-10-09).

Is defmt deprecated?

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

Which Rust version does defmt require?

defmt 1.1.1 does not declare a Rust version requirement.

Does defmt 1.1.1 have known vulnerabilities?

No known advisories affect defmt 1.1.1 according to the data Vigia checks.

Is defmt still maintained?

defmt published 2 stable releases in the last 12 months; the most recent was 97 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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