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@dependabot dependabot bot commented on behalf of github Sep 16, 2025

Updates the requirements on polars to permit the latest version.

Release notes

Sourced from polars's releases.

Rust Polars 0.51.0

💥 Breaking changes

  • Remove, deprecate or change eager Exprs to be lazy compatible (#24027)

🚀 Performance improvements

  • Use specialized decoding for all predicates for Parquet dictionary encoding (#24403)
  • Allocate only for read items when reading Parquet with predicate (#24401)
  • Don't aggregate groups for strict cast if original len (#24381)
  • Allocate only for read items when reading Parquet with predicate (#24324)
  • Native streaming int_range with len or count (#24280)
  • Lower arg_unique natively to the streaming engine (#24279)
  • Move unordering optimization to end (#24286)
  • Do ordering simplification step after common sub-plan elimination (#24269)
  • Always simplify order requirements in IR (#24192)
  • Basic de-duplication of filter expressions (#24220)
  • Cache the IR in pipe_with_schema (#24213)
  • Lower arg_where natively to streaming engine (#24088)
  • Lower Expr.shift to streaming engine (#24106)
  • Lower order-preserving groupby to streaming engine (#24053)
  • Lower .sort(maintain_order=True).head() to streaming top_k (#24014)
  • Lower top-k to streaming engine (#23979)
  • Allow order pass through Filters and relax to row-seperable instead of elementwise (#23969)

✨ Enhancements

  • Roundtrip BinaryOffset type through Parquet (#24344)
  • Add opt-in unstable functionality to load interval types as Struct (#24320)
  • Add user guide section on AWS role assumption (#24421)
  • Support unique / n_unique / arg_unique for array columns (#24406)
  • Support S3 virtual-hosted–style URI (#24405)
  • Remove explicit file create for local async writes (#24358)
  • Support Partitioning sinks in cloud (#24399)
  • User-friendly error message on empty path expansion (#24337)
  • Add Polars security policy (#24314)
  • Allow pl.Expr.log to take in an expression (#24226)
  • Implement diff() in streaming engine (#24189)
  • Enable Expr.diff(n) for negative n (#24200)
  • Allow upcasting null-typed columns to nested column types in scans (#24185)
  • Log pyarrow predicate conversion result in sensitive verbose logs (#24186)
  • Add a deprecation warning for pl.Series.shift(Null) (#24114)
  • Improve Debug formatting of DataType (#24056)
  • Add cum_* as native streaming nodes (#23977)
  • Add peak_{min,max} support for booleans (#24068)
  • Add DataFrame.map_columns for eager evaluation (#23821)
  • Add native streaming for peaks_{min,max} (#24039)
  • IR graph arrows, monospace font, box nodes (#24021)
  • Add DataTypeExpr.default_value (#23973)
  • Lower rle to a native streaming engine node (#23929)

... (truncated)

Commits
  • c42929d refactor: Use PlanCallback in name.map_* (#24484)
  • 152e176 feat(python): Add unstable pl.Config.set_default_credential_provider (#24434)
  • cdd247a fix: Fix AggState on all_literal in BinaryExpr (#24461)
  • b0d2b8c refactor(rust): Replace unsafe with collect (#24494)
  • dd15d3a refactor(rust): Move dataset expansion to end and refactor not to use stack o...
  • 479c88d feat: Roundtrip BinaryOffset type through Parquet (#24344)
  • 0ed3499 feat: Add opt-in unstable functionality to load interval types as Struct (#...
  • 82c568a chore: Pin xlsvwriter to 3.2.5 or before (#24485)
  • 1e2507c fix: Show IR sort options in explain (#24465)
  • b7271f3 docs(python): Rename avg_birthday -> avg_age in examples aggregation (#23...
  • Additional commits viewable in compare view

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Updates the requirements on [polars](https://github.com/pola-rs/polars) to permit the latest version.
- [Release notes](https://github.com/pola-rs/polars/releases)
- [Commits](pola-rs/polars@rs-0.50.0...rs-0.51.0)

---
updated-dependencies:
- dependency-name: polars
  dependency-version: 0.51.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file rust Pull requests that update rust code labels Sep 16, 2025
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