# Polars 1.28.1 — Python Polars 1.28.1

- Product: Polars (https://whatsnew.fyi/product/polars)
- Vendor: Polars
- Date: 2025-04-27
- Version: 1.28.1
- Original notes: https://github.com/pola-rs/polars/releases/tag/py-1.28.1
- Permalink: https://whatsnew.fyi/product/polars/releases/1.28.1

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- **fixed** — Reading of reencoded categorical in Parquet
- **fixed** — Last thread in parquet predicate filter out of bounds
- **changed** — Update pyo3 and numpy crates to version 0.24

##### 🐞 Bug fixes

- Reading of reencoded categorical in Parquet (#22436)
- Last thread in parquet predicate filter oob (#22429)

##### 📖 Documentation

- Fix a few typos in the new "multiplexing" page (#22434)
- Add multiplexing page (#22426)

##### 📦 Build system

- Update `pyo3` and `numpy` crates to version `0.24` (#22015)

##### 🛠️ Other improvements

- Add test for `implode` + `over` (#22437)
- Fix CI by removing use\_legacy\_dataset (#22438)
- Only use pytorch index-url for `pytorch` package (#22355)

Thank you to all our contributors for making this release possible!
@bschoenmaeckers, @coastalwhite, @etiennebacher, @mcrumiller and @ritchie46