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[backport 2.3.x] BUG(string dtype): Empty sum produces incorrect result (#60936)

Status: Merged (completed).

pandas-dev/pandasnumber 61625

#61625 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 12, 2025

[backport 2.3.x] ENH(string dtype): fallback for HDF5 with UTF-8 surrogates (#60993)

Status: Merged (completed).

pandas-dev/pandasnumber 61639

#61639 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 13, 2025

[2.3.x] CI: temporarily pin numpy to 2.2 until latest numexpr is available

CIContinuous IntegrationContinuous Integration

Status: Merged (completed).

pandas-dev/pandasnumber 61638

#61638 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 12, 2025

[backport 2.3.x] API: ignore empty range/object dtype in Index setop operations (string dtype compat) (#60797)

Status: Merged (completed).

pandas-dev/pandasnumber 60948

#60948 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 12, 2025

[backport 2.3.x] BUG(string dtype): groupby/resampler.min/max returns float on all NA strings (#60985)

Status: Merged (completed).

pandas-dev/pandasnumber 61633

#61633 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 12, 2025

CI: Fix slow mamba solver issue by limiting boto3 versions

CIContinuous IntegrationContinuous Integration

DependenciesRequired and optional dependenciesRequired and optional dependencies

Status: Merged (completed).

pandas-dev/pandasnumber 61594

#61594 In pandas-dev/pandas;

· by datapythonista was closed on Jun 13, 2025

[backport 2.3.x] API (string dtype): implement hierarchy (NA > NaN, pyarrow > python) for consistent comparisons between different string dtypes (#61138)

Status: Merged (completed).

pandas-dev/pandasnumber 61649

#61649 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 13, 2025

TST: update xfail xarray version check in to_xarray test

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

Status: Merged (completed).

pandas-dev/pandasnumber 61648

#61648 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 13, 2025

[backport 2.3.x] TST: update xfail xarray version check in to_xarray test (#61648)

Status: Merged (completed).

pandas-dev/pandasnumber 61652

#61652 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 13, 2025

DOC: Add release notes template for 2.3.1

Docs

Status: Merged (completed).

pandas-dev/pandasnumber 61654

#61654 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 19, 2025

Backport PR #61654 on branch 2.3.x (DOC: Add release notes template for 2.3.1)

Docs

Status: Merged (completed).

pandas-dev/pandasnumber 61680

#61680 In pandas-dev/pandas;

· by meeseeksmachine was closed on Jun 20, 2025

[backport 2.3.x] CI: Fix slow mamba solver issue by limiting boto3 version (#61594)

Status: Merged (completed).

pandas-dev/pandasnumber 61653

#61653 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 24, 2025

BUG: DataFrame.explode fails with str dtype

Bug

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

StringsString extension data type and string dataString extension data type and string data

Status: Merged (completed).

pandas-dev/pandasnumber 61623

#61623 In pandas-dev/pandas;

· by rhshadrach was closed on Jun 24, 2025

[backport 2.3.x] BUG: DataFrame.explode fails with str dtype (#61623)

Status: Merged (completed).

pandas-dev/pandasnumber 61699

#61699 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 24, 2025