py-1.41.2

plait-board/drawnixpy-1.41.2May 29, 2026by github-actions[bot]

AI Summary

This release focuses on performance improvements through updates to jemalloc and optimizations to avoid materializing broadcast data in specific list operations, alongside documentation updates and stability hardening.

Key Highlights

Update to new jemalloc for improved performance
Avoid materializing broadcast lists in list.sample and array.shift
Harden against async blocking deadlocks
Improve on-prem documentation and release notes

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