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pola-rs/polars
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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Polars py-1.27.1

Polars: py-1.27.1 Release

Release date:
April 11, 2025
Previous version:
py-1.27.0 (released April 9, 2025)
Magnitude:
919 Diff Delta
Contributors:
7 total committers
Data confidence:
Commits:
18 impacting commits

18 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

fix: Make `is_in` properly elementwise
Authored April 8, 2025
fix: CSE for list expressions
Authored April 9, 2025
fix: Fallback predicate filter for `min=max` with `is_in` (#22213)
Authored April 11, 2025
fix: Writing masked out list values to json (#22210)
Authored April 10, 2025
Undo unneeded conversion traits
Authored April 9, 2025
feat(rust): Expose `FunctionIR::FastCount` in the python visitor (#22195)
Authored April 11, 2025
Serialize options as string
Authored April 9, 2025
fix: Don't panic for `LruCachedFunc` for `size=0` (#22215)
Authored April 11, 2025
feature gates
Authored April 9, 2025
feat: Improved expression autocomplete for `IPython` and `Marimo` (#22221)
Authored April 11, 2025
fix: Deadlock in streaming distributor (#22207)
Authored April 10, 2025
fix: Incorrect condition on empty inner join fast path (#22208)
Authored April 11, 2025
fix more issues
Authored April 9, 2025
fix ruff
Authored April 9, 2025
Python Polars 1.27.1 (#22220)
Authored April 11, 2025
build: Bump crossbeam-channel from 0.5.14 to 0.5.15 (#22211)
Authored April 11, 2025
fix: broken test
Authored April 9, 2025
revert test change
Authored April 10, 2025

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Top Contributors in py-1.27.1

coastalwhite
mroeschke
Matt711
orlp
alexander-beedie
ritchie46
dependabot-bot

Directory Browser for py-1.27.1

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Release Notes Published

✨ Enhancements

  • Improved expression autocomplete for IPython and Marimo (#22221)

🐞 Bug fixes

  • Incorrect condition on empty inner join fast path (#22208)
  • Fallback predicate filter for min=max with is_in (#22213)
  • Don't panic for LruCachedFunc for size=0 (#22215)
  • Writing masked out list values to json (#22210)
  • Deadlock in streaming distributor (#22207)

Thank you to all our contributors for making this release possible! @Matt711, @alexander-beedie, @coastalwhite, @dependabot[bot], @orlp, @ritchie46 and dependabot[bot]

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