All pull requests

Pull requests

• BUG: Series setitem-with-expansion raised for a value the dtype cannot hold

  BugIndexingRegression
  #70233·jbrockmendel opened Oct 3, 2026Member·

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• BUG: setting into a 1-column EA frame with a column key selecting nothing

  BugExtensionArrayIndexing
  #70232·jbrockmendel opened Oct 3, 2026Member·

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• COMPAT: read_sql_table rounding float columns with SQLAlchemy 2.1

  CompatIO SQL
  #70231·jbrockmendel opened Oct 3, 2026Member·

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• BUG: plotting regressions for arrow decimal and binary columns (GH#64535)

  ArrowBugRegressionVisualization
  #70230·jbrockmendel opened Oct 3, 2026Member·

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• BUG: read_sql with psycopg2 DictCursor and duplicate column names (GH#53028)

  BugIO SQLRegression
  #70229·jbrockmendel opened Oct 3, 2026Member·

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• BUG: bar subplots draw date labels on inner shared-x axes (follow-up to GH#62992)

  BugRegressionVisualization
  #70228·jbrockmendel opened Oct 3, 2026Member·

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• REGR: DataFrame.agg with an ndarray or Index of func names raises (GH#69496)

  ApplyRegression
  #70227·jbrockmendel opened Oct 3, 2026Member·

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• BUG: offset rollback/rollforward and arithmetic with NaT (GH#67028 follow-up)

  BugFrequencyMissing-data
  #70226·jbrockmendel opened Oct 3, 2026Member·

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• BUG: SparseArray.astype unboxed a Timestamp/Timedelta fill value on an object subtype

  AstypeBugRegressionSparse
  #70225·jbrockmendel opened Oct 3, 2026Member·

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• BUG: BlockManager dtype caches could be left permanently stale by a concurrent write

  BugInternalsMultithreadingRegression
  #70224·jbrockmendel opened Oct 3, 2026Member·

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• BUG: float16 mean wrong for more than 2048 values

  BugReduction OperationsRegression
  #70223·jbrockmendel opened Oct 3, 2026Member·

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• BUG: named agg kept columns.name only when output name matched column (GH#68000)

  BugGroupbyRegression
  #70222·jbrockmendel opened Oct 3, 2026Member·

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• TYP: enable mypy disallow_any_generics (GH#30539)

  Typing
  #70221·jbrockmendel opened Oct 2, 2026Member·

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• BUG: boolean array construction rejecting bools mixed with numbers

  BugNA - MaskedArrays
  #70220·jbrockmendel opened Oct 2, 2026Member·

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• BUG: .loc setitem with an integer slice on a Decimal index

  BugIndexing
  #70219·jbrockmendel opened Oct 2, 2026Member·

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• BUG: merge raising on object keys with missing values against numeric keys

  BugMissing-dataReshaping
  #70218·jbrockmendel opened Oct 2, 2026Member·

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• BUG: isin false matches from list targets that numpy casts lossily

  Bugisin
  #70217·jbrockmendel opened Oct 2, 2026Member·

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• BUG: sort NaN/NaT last in safe_sort for object arrays

  BugMissing-dataSorting
  #70216·jbrockmendel opened Oct 2, 2026Member·

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• TST: cover Arrow GroupBy cumsum with nulls on Windows

  #70206·icecold009 opened Oct 2, 2026·4 of 8 tasks·

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  1

• BUG: read_excel with list header when index_col consumes all columns

  #70205·LogicVortex123 opened Oct 2, 2026·6 of 8 tasks·

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• DOC: fix inaccurate DataFrame and Series docstrings

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

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  · 3.2

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

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

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  · 3.2

• DOC: fix inaccurate IO docstrings and user guide text

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

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  · 3.2

• DOC: fix inaccurate datetimelike docstrings

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

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  · 3.2

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

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

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  · 3.2
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