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rs-0.55.2

daytonaio/daytonars-0.55.2Aug 6, 2026by github-actions[bot]

AI Summary

This release focuses on stability and security, introducing an adaptive HTTP rate-limiter for cloud IO and fixing critical unsoundness issues in rayon.

Key Highlights

  • Add adaptive HTTP rate-limiter for cloud IO
  • Fix unsoundness in rayon block_on
  • Check for IR node equality on top of hashing

New Features

  • Adaptive HTTP rate-limiter for cloud IO

Full Release Notes

## ✨ Enhancements

- Add adaptive HTTP rate-limiter for cloud IO (#28591)

## 🐞 Bug fixes

- Unsoundness in rayon block\_on (#28709)
- Check for (shallow) IR node equality on top of hashing in CSPE (#28506)

## 📖 Documentation

- Document that arg\_extremum functions return any index on ties (#28691)

Thank you to all our contributors for making this release possible!
@dancsi, @dsprenkels, @kdn36, @orlp and @ritchie46