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BUG: concat warning when joining with empty and columns have different dtype

Bug

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

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

WarningsWarnings that appear or should be added to pandasWarnings that appear or should be added to pandas

Status: Open.

#62949 In pandas-dev/pandas;

· rhshadrach opened on Nov 1, 2025

· 

2.3.4

BUG: <code>Rolling.skew</code> and <code>Rolling.kurt</code> return NaN for low-variance windows

Bug

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Status: Open.

#62946 In pandas-dev/pandas;

· Alvaro-Kothe opened on Nov 1, 2025

ENH: Add an option to "nunique" to skip columns that contain unhashable values

Enhancement

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Status: Open.

#62940 In pandas-dev/pandas;

· wjandrea opened on Oct 31, 2025

ENH: Add <code>right</code> argument to <code>pandas.qcut</code> to support left-inclusive binning

Enhancement

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Status: Open.

#62938 In pandas-dev/pandas;

· aallahyar opened on Oct 31, 2025

BUG: rolling().corr() crash with time period

Bug

SegfaultNon-Recoverable ErrorNon-Recoverable Error

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#62937 In pandas-dev/pandas;

· kostayScr opened on Oct 31, 2025

BUG: timeseries (tz-aware) .plot() fails if timeseries begin is at edge of DST change-over

Bug

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Status: Open.

#62936 In pandas-dev/pandas;

· ctopfel opened on Oct 31, 2025

ENH: Update <code>testing.assert_frame_equal</code> message to list all cols with diffs

Enhancement

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Status: Open.

#62930 In pandas-dev/pandas;

· jzwick opened on Oct 31, 2025

BUG: indexing a MultiIndex-ed DataFrame (only) on a level different from the first does not drop the level

Bug

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Status: Open.

#62926 In pandas-dev/pandas;

· toobaz opened on Oct 30, 2025

BUG: read_parquet fails when passing a list of remote files (gcs)

Bug

Error ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandas

IO Parquetparquet, featherparquet, feather

Status: Open.

#62922 In pandas-dev/pandas;

· ayushdg opened on Oct 30, 2025

DEPR: verify_integrity in DataFrame.set_index

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

Status: Open.

#62919 In pandas-dev/pandas;

· jbrockmendel opened on Oct 30, 2025

DEPR: Series.combine with non-Series

combine/combine_first/updateNDFrame.combine, combine_first, updateNDFrame.combine, combine_first, update

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

Status: Open.

#62918 In pandas-dev/pandas;

· jbrockmendel opened on Oct 30, 2025

BUG: index.union fails at DST boundary

Bug

good first issue

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

LocalizationInternationalization of dataInternationalization of data

Needs TestsUnit test(s) needed to prevent regressionsUnit test(s) needed to prevent regressions

Status: Open.

#62915 In pandas-dev/pandas;

· anttimc opened on Oct 30, 2025