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BUG: DatetimeIndex intersection with non-anchored freq

Stale

Status: Draft (not ready).

pandas-dev/pandasnumber 62341

#62341 In pandas-dev/pandas;

· arthurlw opened on Sep 14, 2025

TST : Add comprehensive unit tests for tm.shares_memory utility function (GH#55372)

Stale

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

Status: Open (in progress).

pandas-dev/pandasnumber 62291

#62291 In pandas-dev/pandas;

· Aniketsy opened on Sep 8, 2025

ENH: Add arrow engine to to_csv

Arrowpyarrow functionalitypyarrow functionality

Enhancement

IO CSVread_csv, to_csvread_csv, to_csv

PerformanceMemory or execution speed performanceMemory or execution speed performance

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62267

#62267 In pandas-dev/pandas;

· swt2c opened on Sep 5, 2025

BUG: Fix Index.get_level_values() mishandling of boolean, pd.NA, np.nan, and pd.NaT levels

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62175

#62175 In pandas-dev/pandas;

· whyvineet opened on Aug 23, 2025

ENH: Enable destination aware scope for dataset attributes metadata propagation copy routines

Stale

Status: Draft (not ready).

pandas-dev/pandasnumber 62131

#62131 In pandas-dev/pandas;

· dangreb opened on Aug 16, 2025

BUG: Fix all-NaT when ArrowEA.astype to categorical

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62055

#62055 In pandas-dev/pandas;

· arthurlw opened on Aug 6, 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

Stale

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

ENH: usecols takes input order for read_csv implementation review

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 61967

#61967 In pandas-dev/pandas;

· eicchen opened on Jul 26, 2025

BUG: IntervalIndex.unique() only contains the first interval if all interval borders are negative

AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diffNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff

Bug

IntervalInterval data typeInterval data type

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 61920

#61920 In pandas-dev/pandas;

· khemkaran10 opened on Jul 22, 2025

DEPR: PeriodDtype.freq

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

PeriodPeriod data typePeriod data type

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 61897

#61897 In pandas-dev/pandas;

· jbrockmendel opened on Jul 18, 2025

BUG: Fix inconsistency with DateOffset near DST

FrequencyDateOffsetsDateOffsets

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 61870

#61870 In pandas-dev/pandas;

· arthurlw opened on Jul 16, 2025

TST: assert reading of legacy pickles against current data

IO Pickleread_pickle, to_pickleread_pickle, to_pickle

Stale

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

Status: Open (in progress).

pandas-dev/pandasnumber 61792

#61792 In pandas-dev/pandas;

· jorisvandenbossche opened on Jul 7, 2025

· 

3.0