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@dependabot dependabot bot commented on behalf of github Jun 23, 2025

Bumps polars from 1.30.0 to 1.31.0.

Release notes

Sourced from polars's releases.

Python Polars 1.31.0

💥 Breaking changes

  • Remove old streaming engine (#23103)

⚠️ Deprecations

  • Deprecate allow_missing_columns in scan_parquet in favor of missing_columns (#22784)

🚀 Performance improvements

  • Improve streaming groupby CSE (#23092)
  • Move row index materialization in post-apply to occur after slicing (#22995)
  • Add first_(true|false)_idx to BooleanChunked and use in bool arg_(min|max) (#22907)
  • Don't go through row encoding for most types on index_of (#22903)
  • Optimise low-level null scans and arg_max for bools (when chunked) (#22897)
  • Optimize multiscan performance (#22886)

✨ Enhancements

  • DataType expressions in Python (#23167)
  • Native implementation for Iceberg positional deletes (#23091)
  • Remove old streaming engine (#23103)
  • Basic implementation of DataTypeExpr in Rust DSL (#23049)
  • Add required: bool to ParquetFieldOverwrites (#23013)
  • Support serializing name.map_fields (#22997)
  • Support serializing Expr::RenameAlias (#22988)
  • Remove duplicate verbose logging from FetchedCredentialsCache (#22973)
  • Add keys column in finish_callback (#22968)
  • Add extra_columns parameter to scan_parquet (#22699)
  • Add CORR function to polars SQL (#22690)
  • Add per partition sort and finish callback to sinks (#22789)
  • Support descendingly-sorted values in search_sorted() (#22825)
  • Derive DSL schema (#22866)

🐞 Bug fixes

  • Remove axis in show_graph (#23218)
  • Remove axis ticks in show_graph (#23210)
  • Restrict custom aggregate_function in pivot to pl.element() (#23155)
  • Don't leak SourceToken in in-memory sink linearize (#23201)
  • Fix panic reading empty parquet with multiple boolean columns (#23159)
  • Raise ComputeError instead of panicking in truncate when mixing month/week/day/sub-daily units (#23176)
  • Materialize list.eval with unknown type (#23186)
  • Only set sorting flag for 1st column with PQ SortingColumns (#23184)
  • Typo in AExprBuilder (#23171)
  • Null return from var/std on scalar column (#23158)
  • Support Datetime broadcast in list.concat (#23137)
  • Ensure projection pushdown maintains right table schema (#22603)
  • Add Null dtype support to arg_sort_by (#23107)

... (truncated)

Commits
  • 6e02c20 Python Polars 1.31.0 (#23226)
  • 5c154c8 chore: Change flake to use venv (#23219)
  • f0ae4d3 fix(python): Remove axis in show_graph (#23218)
  • bc974eb Revert "fix(python): Don't call unnest for objects implementing `__arrow_c_ar...
  • 171c847 fix(python): Remove AXIS ticks in show_graph (#23210)
  • d4da872 fix: Restrict custom aggregate_function in pivot to pl.element() (#23155)
  • 455423c fix: Don't leak SourceToken in in-memory sink linearize (#23201)
  • 7c2c513 chore: Add default_alloc feature to py-polars (#23202)
  • 383f1b3 Python Polars 1.31.0 pre-release (#23192)
  • 6891fec fix: Fix panic reading empty parquet with multiple boolean columns (#23159)
  • Additional commits viewable in compare view

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@dependabot dependabot bot added the dependencies Pull requests that update a dependency file label Jun 23, 2025
Bumps [polars](https://github.com/pola-rs/polars) from 1.30.0 to 1.31.0.
- [Release notes](https://github.com/pola-rs/polars/releases)
- [Commits](pola-rs/polars@py-1.30.0...py-1.31.0)

---
updated-dependencies:
- dependency-name: polars
  dependency-version: 1.31.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added python Pull requests that update Python code dependencies Pull requests that update a dependency file labels Jun 23, 2025
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