crates.io · crates:downcast-rs

downcast-rs active

Trait object downcasting support using only safe Rust. It supports type parameters, associated types, and type constraints.

Latest stable version	2.0.2
Published	2025-09-01 20:32:31 UTC
Install	`cargo add downcast-rs`
Minimum Rust version (rust-version)	`Rust ≥ 1.56`
License	MIT OR Apache-2.0
Advisories on latest version	none known
Last verified	2026-10-09 03:00:07 UTC
Sources	api.osv.dev, crates.io

Maintenance

Activity	slowing down
Last stable release	2025-09-01 20:32:31 UTC · 402 days ago
Stable releases in the last 12 months	0
Published versions	15

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

Version history

Version	Published
`2.0.2`	2025-09-01 20:32:31 UTC
`2.0.1`	2025-01-07 04:20:42 UTC
`2.0.0`	2025-01-07 02:58:33 UTC
`1.2.1`	2024-04-07 00:40:26 UTC
`1.2.0`	2020-06-30 00:07:42 UTC
`1.1.1`	2019-10-28 04:45:13 UTC
`1.1.0`	2019-10-08 01:31:47 UTC
`1.0.4`	2019-04-09 02:05:19 UTC
`1.0.3`	2018-05-22 01:41:22 UTC
`1.0.2`	2018-05-12 21:03:08 UTC
`1.0.1`	2018-03-09 04:08:40 UTC
`1.0.0`	2017-02-05 20:58:00 UTC
`0.1.2`	2016-11-22 05:37:32 UTC
`0.1.1`	2016-04-09 04:35:53 UTC
`0.1.0`	2015-12-16 03:50:40 UTC

Showing the 15 most recent of 15 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`	`2.0.2`
`rust 1.70`	`2.0.2`
`rust 1.75`	`2.0.2`
`rust 1.80`	`2.0.2`
`rust 1.85`	`2.0.2`
`rust 1.90`	`2.0.2`

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Frequently asked questions

What is the latest version of downcast-rs?

The latest stable version of downcast-rs is 2.0.2, published on 2025-09-01. Verified by Vigia on 2026-10-09.

How do I install the latest version of downcast-rs?

Run cargo add downcast-rs. The latest stable version is 2.0.2 (verified 2026-10-09).

Is downcast-rs deprecated?

No. downcast-rs is not marked as deprecated in the registry.

Which Rust version does downcast-rs require?

downcast-rs 2.0.2 declares this requirement: Rust ≥ 1.56.

Does downcast-rs 2.0.2 have known vulnerabilities?

No known advisories affect downcast-rs 2.0.2 according to the data Vigia checks.

Is downcast-rs still maintained?

downcast-rs published 0 stable releases in the last 12 months; the most recent was 402 days ago. Activity: slowing down.

Observed changes

No changes observed yet since Vigia started tracking this package.

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