rs-0.55.2

saga-soft/novelWriterrs-0.55.2Aug 6, 2026by github-actions[bot]

AI Summary

A maintenance release for the Rust Polars library adding an adaptive HTTP rate-limiter for cloud IO operations and fixing critical unsoundness issues in rayon and CSPE.

Key Highlights

Adds adaptive HTTP rate-limiter for cloud IO operations.
Fixes unsoundness in rayon block_on.
Improves check for IR node equality in CSPE.

New Features

Adaptive HTTP rate-limiting for cloud IO to prevent overload.

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