Rust 1.90
1.90.0
Release notes ↗
Is Rust 1.90 still supported?
No
Rust 1.90 reached end of life on Oct 30, 2025 (11 months ago). It no longer gets updates, including security fixes. Upgrade to Rust 1.99 (latest 1.99.0).
- Released
- Sep 18, 2025
- End of life
- Oct 30, 2025
11 months ago - Latest version
- 1.90.0
Sep 18, 2025
Upgrade path
The recommended upgrade is Rust 1.99, currently at 1.99.0.
How to upgrade from Rust 1.90 to Rust 1.99
rustup (all platforms)
rustup update stable
rustc --versionOfficial upgrade guide ↗ Back up first, and test on a non-production machine when you move to a new branch.
Quick answers
- Is Rust 1.90 still supported?
- No. Rust 1.90 reached end of life on Oct 30, 2025 (11 months ago). It no longer gets updates, including security fixes. Upgrade to Rust 1.99 (latest 1.99.0).
- When is Rust 1.90 end of life?
- Rust 1.90 reached end of life on Oct 30, 2025. It gets no more updates, including security fixes.
- What is the latest version of Rust 1.90?
- The latest Rust 1.90 release is 1.90.0, released on Sep 18, 2025.
- When was Rust 1.90 released?
- Rust 1.90 was released on Sep 18, 2025.
- What should I upgrade Rust 1.90 to?
- The recommended upgrade is Rust 1.99, currently at 1.99.0.
- How do I check which Rust version I have?
- Run
rustc --version, then paste the result into the “Am I up to date?” box on this page.
Other Rust branches
All 71 →Rust 1.90 release history
RSSThe history fills in as new versions come out.
Keep track
Official release policy · Checked 3 hours ago