# Polars 1.41.2 — Python Polars 1.41.2

- Product: Polars (https://whatsnew.fyi/product/polars)
- Vendor: Polars
- Date: 2026-05-29
- Version: 1.41.2
- Original notes: https://github.com/pola-rs/polars/releases/tag/py-1.41.2
- Permalink: https://whatsnew.fyi/product/polars/releases/1.41.2

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- **changed** — Update to new jemalloc
- **changed** — Do not materialize ScalarColumn in Column split_at
- **changed** — Avoid materializing broadcast in array.shift
- **changed** — Avoid materializing broadcast list in list.sample(n) and list.sample(frac)
- **fixed** — Broken link to AI Policy corrected
- **changed** — Harden against async blocking deadlocks

##### 🚀 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