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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

STY: Add strict=True in zip() in \core, \tests and \scripts

Code StyleCode style, linting, code_checksCode style, linting, code_checks

Status: Merged (completed).

pandas-dev/pandasnumber 62984

#62984 In pandas-dev/pandas;

· by invain01 was closed on Nov 5, 2025

· 

3.0

CLN: Use RangeIndex placeholder for Manager.reduce

Clean

Status: Merged (completed).

pandas-dev/pandasnumber 62972

#62972 In pandas-dev/pandas;

· by mroeschke was closed on Nov 4, 2025

· 

3.0

BUG: <code>pd.concat()</code> produces invalid index when inputs have <code>Int64Dtype</code> index with <code>NA</code>s

Bug

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

MultiIndex

Status: Open.

#62903 In pandas-dev/pandas;

· jlumpe opened on Oct 29, 2025

ENH: Bit operations on dataframes with same shapes

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.

#62826 In pandas-dev/pandas;

· alexelenter-99 opened on Oct 24, 2025

FIX: unstack(sort=False) data misalignment (#62816)

Status: Closed (abandoned).

pandas-dev/pandasnumber 62818

#62818 In pandas-dev/pandas;

· by U-C4N was closed on Oct 24, 2025

BUG: <code>.unstack(sort=False)</code> reorders columns labels without the column values

Bug

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

Status: Open.

#62816 In pandas-dev/pandas;

· aallahyar opened on Oct 24, 2025

Add note about DataFrame index and column labels

Status: Closed (abandoned).

pandas-dev/pandasnumber 62783

#62783 In pandas-dev/pandas;

· by AnkitSharma-29 was closed on Oct 22, 2025

Add note about DataFrame index and column labels

Status: Closed (abandoned).

pandas-dev/pandasnumber 62782

#62782 In pandas-dev/pandas;

· by AnkitSharma-29 was closed on Oct 22, 2025

BUG: pd.read_parquet raises exception filtering on Period type columns

Arrowpyarrow functionalitypyarrow functionality

Bug

IO Parquetparquet, featherparquet, feather

Status: Open.

#62769 In pandas-dev/pandas;

· spillz opened on Oct 20, 2025

ENH: <code>\centering</code> option for <code>DataFrame.to_latex()</code> method

Enhancement

IO LaTeXto_latexto_latex

Status: Closed (completed).

#62733 In pandas-dev/pandas;

· by sykacek was closed on Oct 26, 2025

ENH: Prevent filling in <code>unstack()</code>

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.

#62704 In pandas-dev/pandas;

· jlumpe opened on Oct 15, 2025