crates.io · crates:micromap

micromap active

The fastest alternative to HashMap, for maps smaller than 20 keys

Latest stable version	0.3.0
Published	2026-03-11 12:04:41 UTC
Install	`cargo add micromap`
Minimum Rust version (rust-version)	`Rust ≥ 1.79`
License	MIT
Advisories on latest version	none known
Last verified	2026-10-10 03:39:30 UTC
Sources	api.osv.dev, crates.io

Maintenance

Activity	slowing down
Last stable release	2026-03-11 12:04:41 UTC · 212 days ago
Stable releases in the last 12 months	2
Published versions	22

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

Version history

Version	Published
`0.3.0`	2026-03-11 12:04:41 UTC
`0.2.0`	2026-03-11 06:26:08 UTC
`0.1.0`	2025-05-11 07:53:46 UTC
`0.0.19`	2025-04-14 06:22:56 UTC
`0.0.18`	2025-04-07 14:13:23 UTC
`0.0.17`	2025-04-04 09:09:18 UTC
`0.0.16`	2025-03-25 08:14:36 UTC
`0.0.15`	2024-01-01 05:46:10 UTC
`0.0.14`	2023-05-09 19:51:11 UTC
`0.0.13`	2023-05-04 02:21:48 UTC
`0.0.12`	2023-04-27 07:17:52 UTC
`0.0.11`	2023-04-26 17:04:46 UTC
`0.0.10`	2023-04-26 15:36:27 UTC
`0.0.9`	2023-04-25 05:00:42 UTC
`0.0.8`	2023-04-25 04:30:29 UTC
`0.0.7`	2023-04-23 14:47:58 UTC
`0.0.6`	2023-04-22 09:53:34 UTC
`0.0.5`	2023-04-20 06:17:05 UTC
`0.0.4`	2023-04-17 07:10:04 UTC
`0.0.3`	2023-04-17 06:35:05 UTC

Showing the 20 most recent of 22 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`	`0.0.18`
`rust 1.70`	`0.0.18`
`rust 1.75`	`0.0.18`
`rust 1.80`	`0.3.0`
`rust 1.85`	`0.3.0`
`rust 1.90`	`0.3.0`

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Frequently asked questions

What is the latest version of micromap?

The latest stable version of micromap is 0.3.0, published on 2026-03-11. Verified by Vigia on 2026-10-10.

How do I install the latest version of micromap?

Run cargo add micromap. The latest stable version is 0.3.0 (verified 2026-10-10).

Is micromap deprecated?

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

Which Rust version does micromap require?

micromap 0.3.0 declares this requirement: Rust ≥ 1.79.

Does micromap 0.3.0 have known vulnerabilities?

No known advisories affect micromap 0.3.0 according to the data Vigia checks.

Is micromap still maintained?

micromap published 2 stable releases in the last 12 months; the most recent was 212 days ago. Activity: slowing down.

Observed changes

No changes observed yet since Vigia started tracking this package.

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