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REF: Avoid/defer <code>dtype=object</code> containers in plotting

Visualizationplottingplotting

Status: Open (in progress).

pandas-dev/pandasnumber 62042

#62042 In pandas-dev/pandas;

· mroeschke opened on Aug 4, 2025

· 

3.0

API: mode.nan_is_na to consistently distinguish NaN-vs-NA

Status: Draft (not ready).

pandas-dev/pandasnumber 62040

#62040 In pandas-dev/pandas;

· jbrockmendel opened on Aug 4, 2025

API: improve dtype in df.where with EA other

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

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

Status: Open (in progress).

pandas-dev/pandasnumber 62038

#62038 In pandas-dev/pandas;

· jbrockmendel opened on Aug 3, 2025

· 

3.0

BUG: rank with object dtype and small values

Bug

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

NA - MaskedArraysRelated to pd.NA and nullable extension arraysRelated to pd.NA and nullable extension arrays

Transformationse.g. cumsum, diff, ranke.g. cumsum, diff, rank

Status: Open.

#62036 In pandas-dev/pandas;

· jbrockmendel opened on Aug 3, 2025

BUG: raise a proper exception when str.rsplit is passed a regex and clarify the docs

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

Status: Open (in progress).

pandas-dev/pandasnumber 62035

#62035 In pandas-dev/pandas;

· hamdanal opened on Aug 3, 2025

BUG: Wrong inferred type in case of a mixture of boolean, float and integers

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Status: Open.

#62033 In pandas-dev/pandas;

· tqa236 opened on Aug 3, 2025

API: timestamp resolution inference: default to microseconds when possible

DatetimeDatetime data dtypeDatetime data dtype

Non-Nanodatetime64/timedelta64 with non-nanosecond resolutiondatetime64/timedelta64 with non-nanosecond resolution

Timestamppd.Timestamp and associated methodspd.Timestamp and associated methods

Status: Draft (not ready).

pandas-dev/pandasnumber 62031

#62031 In pandas-dev/pandas;

· jorisvandenbossche opened on Aug 3, 2025

BUG: Catch TypeError in _is_dtype_type when converting abstract numpy types (#62018)

Status: Open (in progress).

pandas-dev/pandasnumber 62030

#62030 In pandas-dev/pandas;

· abhaypsingh opened on Aug 3, 2025

DOC: fix mask/where docstring alignment note (#61781)

Status: Open (in progress).

pandas-dev/pandasnumber 62029

#62029 In pandas-dev/pandas;

· abhaypsingh opened on Aug 2, 2025

BUG: groupby.idxmin/idxmax with all NA values should raise

API - ConsistencyInternal Consistency of API/BehaviorInternal Consistency of API/Behavior

Groupby

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

Status: Open (in progress).

pandas-dev/pandasnumber 62026

#62026 In pandas-dev/pandas;

· rhshadrach opened on Aug 2, 2025

· 

3.0

BUG: NaN vs NA in mixed reduction

Bug

PDEP missing valuesIssues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprintIssues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint

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

Status: Open.

#62024 In pandas-dev/pandas;

· jbrockmendel opened on Aug 2, 2025

continue from #61957 which closed with unmerged commit

Status: Open (in progress).

pandas-dev/pandasnumber 62023

#62023 In pandas-dev/pandas;

· maddiew95 opened on Aug 2, 2025