RUST FOUNDATIONVERIFIED
Rust 1.94.1
Checked 28 Sep 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.
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RELEASE NOTESRUST FOUNDATIONVERIFIED
PUBLISHER UPDATE · RUST-1.94.1
RUST-1.94.1 release notes and known issues
Rust 1.94.1
Scope: Rust. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.
Summary
Fix std::thread::spawn on wasm32-wasip1-threads Remove new methods added to std::os::windows::fs::OpenOptionsExt The new methods were unstable, but the trait itself is not sealed and so cannot be extended with non-default methods. Clippy: fix ICE in match_same_arms Cargo: update tar to 0.4.45 This resolves CVE-2026-33055 and CVE-2026-33056 . Users of crates.io are not affected. See blog for more details.
Improvements and security content
- Fix std::thread::spawn on wasm32-wasip1-threads Remove new methods added to std::os::windows::fs::OpenOptionsExt The new methods were unstable, but the trait itself is not sealed and so cannot be extended with non-default methods. Clippy: fix ICE in match_same_arms Cargo: update tar to 0.4.45 This resolves CVE-2026-33055 and CVE-2026-33056 . Users of crates.io are not affected. See blog for more details.
Known issues
Publisher statementNot stated. The verified publisher record does not contain a known-issues statement.
Affected products and versions
Products
- Rust
Affected versions
- 1.94.1
- 0.4.45
Fixed versions or updates
- No fixed version is stated in this record.
Recommended action
Review the official publisher document before deployment.