All pull requests

Pull requests

• DOC: clarify regex handling of pat in str.split and str.contains

  #70204·Abhishek1106kr opened Oct 2, 2026·1 of 8 tasks·

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• BUG preserve attrs in categorical accessor methods

  #70152·bennibyx opened Oct 2, 2026·3 of 7 tasks·

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• DOC: fix inaccurate DataFrame and Series docstrings

  Docs
  #70150·jbrockmendel opened Oct 2, 2026Member·

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• DOC: fix inaccurate groupby, window, Index and array docstrings

  DocsExtensionArrayGroupbyIndexWindow
  #70149·jbrockmendel opened Oct 2, 2026Member·

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• DOC: fix inaccurate IO docstrings and user guide text

  DocsIO CSVIO HDF5Styler
  #70148·jbrockmendel opened Oct 2, 2026Member·

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• DOC: fix inaccurate datetimelike docstrings

  DatetimeDocsFrequencyPeriod
  #70147·jbrockmendel opened Oct 2, 2026Member·

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• BUG: float16 var/std/sem overflow to inf (GH#41277)

  BugReduction Operations
  #70146·jbrockmendel opened Oct 2, 2026Member·

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• TST: tighten plotting tolerances and scope test warning filters

  TestingVisualization
  #70145·jbrockmendel opened Oct 2, 2026Member·

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• TST: fix io test skips, warning-filter scope, and CI coverage gaps

  IO DataTesting
  #70144·jbrockmendel opened Oct 2, 2026Member·

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• TST: fix test placement and test-helper gaps in arrays and extension tests

  ExtensionArrayTesting
  #70143·jbrockmendel opened Oct 2, 2026Member·

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• TST: make vacuous frame, index and hashtable tests discriminating

  Testing
  #70142·jbrockmendel opened Oct 2, 2026Member·

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• DEPR: passing None in objs to concat (GH#57846)

  DeprecateReshaping
  #70141·jbrockmendel opened Oct 2, 2026Member·

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• PERF: read_csv parallel reads with usecols

  IO CSVPerformance
  #70140·jbrockmendel opened Oct 2, 2026Member·

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• BUG: PeriodArray from non-ndarray datetime64[ns] data

  ArrowBugConstructorsPeriod
  #70139·jbrockmendel opened Oct 2, 2026Member·

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• DEPR: merge/join suffixes that collide across left and right (GH#13659)

  DeprecateReshaping
  #70138·jbrockmendel opened Oct 2, 2026Member·

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• ENH: hint that DataFrame.join(on=...) matches other's index (GH#13799)

  EnhancementError ReportingReshaping
  #70137·jbrockmendel opened Oct 2, 2026Member·

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• BUG: honor custom __repr__ of container subclasses in repr (GH#18843)

  BugOutput-Formatting
  #70136·jbrockmendel opened Oct 2, 2026Member·

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• DOC: document which date Period fields are taken from (GH#20324)

  DocsPeriod
  #70134·jbrockmendel opened Oct 2, 2026Member·

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• DOC: don't claim the HDFStore is unmodified on an empty table write

  DocsIO HDF5
  #70133·jbrockmendel opened Oct 2, 2026Member·

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• DOC: document that Index.join indexers can be None (GH#58603)

  DocsReshaping
  #70132·jbrockmendel opened Oct 2, 2026Member·

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• DOC: fix broken examples and inaccurate claims in user guide and docstrings

  Docs
  #70131·jbrockmendel opened Oct 2, 2026Member·

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• BUG: warn when Period/PeriodIndex construction drops timezone (GH#47005)

  BugPeriodTimezonesWarnings
  #70130·jbrockmendel opened Oct 2, 2026Member·

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• DOC: fix whatsnew errata in v3.0.0, v3.0.1 and v3.1.0

  Docs
  #70128·jbrockmendel opened Oct 2, 2026Member·

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• PERF: sum sparse columns without densifying

  Awaiting Review
  #70108·bhaskargurram-ai opened Oct 1, 2026·7 of 8 tasks·

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• BUG: query == string against datetimelike columns (GH#54199)

  BugDatetimeexpressionsPeriod
  #70107·jbrockmendel opened Oct 1, 2026Member·

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