py-1.41.2

MiniMax-AI/MiniMax-01py-1.41.2May 29, 2026by github-actions[bot]

AI Summary

A performance-focused release for Python Polars featuring optimizations for memory usage and updates to the jemalloc memory allocator.

Key Highlights

Updated to new jemalloc for better memory management
Optimized ScalarColumn materialization in split_at
Improved performance for array.shift and list.sample operations
Enhanced async blocking deadlock prevention

New Features

Performance improvements through reduced materialization
Harden against async blocking deadlocks
Updated On-Prem version documentation and guides
Added EKS/AKS/GKE deployment guides

Full Release Notes

## 🚀 Performance improvements

- Update to new jemalloc (#27797)
- Do not materialize `ScalarColumn` in Column `split_at` (#27782)
- Avoid materializing broadcast in `array.shift` (#27740)
- Avoid materializing broadcast list in `list.sample(n)` and `list.sample(frac)` (#27679)

## ✨ Enhancements

- Update to new jemalloc (#27797)

## 🐞 Bug fixes

- Broken link to AI Policy corrected (#27793)
- Update to new jemalloc (#27797)

## 📖 Documentation

- Update Polars On-Prem version stamp (#27799)
- Broken link to AI Policy corrected (#27793)
- Add release dates to the On-Prem releases page (#27787)
- Improve on-prem docs (#27788)
- Add query profiler video to On-Prem user guide (#27786)
- Add EKS/AKS/GKE guides (#27774)
- Add Polars On-Prem 0.4.2 (#27780)

## 🛠️ Other improvements

- Run Pyrefly on `_utils` and `functions` (#27789)
- Harden against async blocking deadlocks (take 2) (#27767)

Thank you to all our contributors for making this release possible!
@ButteryPaws, @EndPositive, @Kevin-Patyk, @MarcoGorelli, @TNieuwdorp, @azimafroozeh, @carnarez, @kdn36, @lun3x, @orlp and @ritchie46