tokio-1.53.1

tokio-rs/tokiotokio-1.53.1Jul 20, 2026by Darksonn

AI Summary

A hotfix release focusing on restoring the Minimum Supported Rust Version (MSRV) on Windows and fixing a race condition in the unstable timer implementation.

Key Highlights

Restored MSRV by removing `OnceLock::wait` from the Windows signal handler
Fixed alt timer cancellation and insertion race condition
Removed dead link definition in Runtime::block_on documentation

Full Release Notes

# 1.53.1 (July 20th, 2026)

### Fixed

- signal: restore MSRV by removing `OnceLock::wait` from the Windows handler ([#8300])

### Fixed (unstable)

- time: fix alt timer cancellation and insertion race ([#8252])

### Documented

- runtime: remove dead link definition in Runtime::block_on ([#8301])

[#8252]: https://github.com/tokio-rs/tokio/pull/8252
[#8300]: https://github.com/tokio-rs/tokio/pull/8300
[#8301]: https://github.com/tokio-rs/tokio/pull/8301