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Enable roundtripping nested dtypes through parquet and arrow

IO Parquetparquet, featherparquet, feather

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62952

#62952 In pandas-dev/pandas;

· phofl opened on Nov 1, 2025

DOC: clarify MultiIndex.swaplevel default behavior

Docs

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62772

#62772 In pandas-dev/pandas;

· dkane01 opened on Oct 21, 2025

DOC: Fix docstring validation errors for pandas.core.groupby

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62697

#62697 In pandas-dev/pandas;

· milamathias opened on Oct 14, 2025

ENH: Change ExtensionOpsMixin behaviour to not add new operator method if one is already defined on the ExtensionArray class

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62678

#62678 In pandas-dev/pandas;

· milamathias opened on Oct 13, 2025

fix: dataframe conditional where axis=1

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62663

#62663 In pandas-dev/pandas;

· suzyahyah opened on Oct 12, 2025

DOC: Add guide links to relevant API docs

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62650

#62650 In pandas-dev/pandas;

· iRAFEEK opened on Oct 11, 2025

TST: replace ensure_clean with temp_file on <code>pandas/tests/io/xml/test_xml.py</code>

Stale

Testingpandas testing functions or related to the test suitepandas testing functions or related to the test suite

Status: Draft (not ready).

pandas-dev/pandasnumber 62638

#62638 In pandas-dev/pandas;

· KevsterAmp opened on Oct 9, 2025

BUG: handle <code>nonexistent="shift_forward"</code> with <code>normalize=True</code> in <code>date_range</code> (GH#62602)

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62633

#62633 In pandas-dev/pandas;

· msobhyy10 opened on Oct 9, 2025

BUG: pandas.date_range() raises NonExistentTimeError despite nonexistent="shift_forward" when crossing DST boundaries #62602

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62624

#62624 In pandas-dev/pandas;

· khemkaran10 opened on Oct 8, 2025

TST: add regression tests for interpolate(method="time") with nullable dtypes (GH#40252)

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62571

#62571 In pandas-dev/pandas;

· jonathan-gut opened on Oct 4, 2025

Added legend_loc parameter to plot function

Stale

Visualizationplottingplotting

Status: Open (in progress).

pandas-dev/pandasnumber 62568

#62568 In pandas-dev/pandas;

· mittal-aakriti opened on Oct 3, 2025

Fix variance calculation for complex numbers by preserving dtype

Reduction Operationssum, mean, min, max, etc.sum, mean, min, max, etc.

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62555

#62555 In pandas-dev/pandas;

· shaurya5 opened on Oct 3, 2025