Polars: py-1.37.1 Release

Release date:
January 12, 2026
Previous version:
py-1.37.0 (released January 10, 2026)
Magnitude:
3,507 Diff Delta
Contributors:
6 total committers
Data confidence:
Commits:

15 Commits in this Release

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

Top Contributors in py-1.37.1

nameexhaustion
orlp
kdn36
wtn
ritchie46
alexander-beedie

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Release Notes Published

πŸš€ Performance improvements

  • Speed up SQL interface "UNION" clauses (#26039)

🐞 Bug fixes

  • Optimize slicing support on compressed IPC (#26071)
  • CPU check for musl builds (#26076)
  • Propagate C Stream import errors instead of panicking (#26036)
  • Fix slicing on compressed IPC (#26066)

πŸ“– Documentation

  • Clarify min_by/max_by behavior on ties (#26077)

πŸ› οΈ Other improvements

  • Mark top slow normal tests as slow (#26080)
  • Update breaking deps (#26055)
  • Fix for upstream url bug and update deps (#26052)
  • Properly pin chrono (#26051)
  • Don't run rust doctests (#26046)
  • Update deps (#26042)
  • Ignore very slow test (#26041)

Thank you to all our contributors for making this release possible! @Voultapher, @alexander-beedie, @kdn36, @nameexhaustion, @orlp, @ritchie46 and @wtn