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BUG: pd.json_normalize has inconsistent validation for non-string keys - accepts integers in some parameter combinations but rejects in others

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.

#63019 In pandas-dev/pandas;

· nocoding03 opened on Nov 7, 2025

BUG: ExcelFile.parse sets sheet.max_row and sheet.max_column to None

Bug

IO Excelread_excel, to_excelread_excel, to_excel

Status: Open.

#63010 In pandas-dev/pandas;

· behrenhoff opened on Nov 6, 2025

BUG: Inconsistency between <code>Series[float].__rfloordiv__([timedelta])</code> and <code>rfloordiv</code> and further

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.

#63007 In pandas-dev/pandas;

· cmp0xff opened on Nov 6, 2025

BUG: df.to_sql() lose datetime precision when uploading data to SQL Server temp table

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.

#62995 In pandas-dev/pandas;

· ebj-jyskebank-dk opened on Nov 5, 2025

BUG: Series.loc slicing raises KeyError unexpectedly

Bug

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

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

Status: Open.

#62990 In pandas-dev/pandas;

· DominikHallab opened on Nov 5, 2025

BUG: <code>item_from_zerodim</code> converts objects of subclasses of <code>ndarray</code> to <code>float</code>

Bug

Status: Open.

#62981 In pandas-dev/pandas;

· Julian-Harbeck opened on Nov 4, 2025

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

Numeric stabilityStability and precisionStability and precision

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#62946 In pandas-dev/pandas;

· Alvaro-Kothe opened on Nov 1, 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

TimezonesTimezone data dtypeTimezone data dtype

Visualizationplottingplotting

Status: Open.

#62936 In pandas-dev/pandas;

· ctopfel opened on Oct 31, 2025

BUG: indexing a MultiIndex-ed DataFrame (only) with a scalar on a level and a slice on another doesn't drop a level

Bug

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

MultiIndex

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