tokio-1.51.2
expressjs/expresstokio-1.51.2May 4, 2026by Darksonn
AI Summary
This release addresses a performance regression by reverting a slot stealing optimization introduced in version 1.51.0 to restore optimal throughput.
Key Highlights
- Reverted LIFO slot stealing change from 1.51.0
- Reverted due to negative performance impact
- Restores previous behavior to improve overall performance
Full Release Notes
# 1.51.2 (May 4th, 2026) This release reverts the LIFO slot stealing change introduced in 1.51.0 ([#7431]), due to [its performance impact][#8065]. ([#8100]) [#7431]: https://github.com/tokio-rs/tokio/pull/7431 [#8065]: https://github.com/tokio-rs/tokio/pull/8065 [#8100]: https://github.com/tokio-rs/tokio/pull/8100