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RLS: 3.0

Release

Status: Open.

#57064 In pandas-dev/pandas;

· datapythonista opened on Jan 25, 2024

TST (string dtype): clean-up interpolate tests

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

Stale

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

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

Status: Open (in progress).

pandas-dev/pandasnumber 60653

#60653 In pandas-dev/pandas;

· jorisvandenbossche opened on Jan 3, 2025

API / COW: ensure every new Series/DataFrame also has new (shallow copy) index

API Design

Copy / view semantics

Stale

Status: Draft (not ready).

pandas-dev/pandasnumber 53699

#53699 In pandas-dev/pandas;

· jorisvandenbossche opened on Jun 16, 2023

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

REF: Make _consolidate and _merge_blocks generators

RefactorInternal refactoring of codeInternal refactoring of code

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 62973

#62973 In pandas-dev/pandas;

· mroeschke opened on Nov 3, 2025

DOC: add storage and na_value to StringDtype reference page

Docs

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

Status: Open (in progress).

pandas-dev/pandasnumber 63104

#63104 In pandas-dev/pandas;

· jorisvandenbossche opened on Nov 13, 2025

API: reconsider returning read-only arrays from DataFrame/Series .array/.values/__array__

API Design

Copy / view semantics

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

Status: Open.

#63099 In pandas-dev/pandas;

· jorisvandenbossche opened on Nov 12, 2025

BUG: for ordered categorical data implements correct computation of kendall/spearman correlations

Bug

CategoricalCategorical Data TypeCategorical Data Type

cov/corr

Status: Open (in progress).

pandas-dev/pandasnumber 62880

#62880 In pandas-dev/pandas;

· pandeconscious opened on Oct 27, 2025

BUG/API: to_json with non-nano TimedeltaIndex

Bug

IO JSONread_json, to_json, json_normalizeread_json, to_json, json_normalize

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

Status: Open.

#63236 In pandas-dev/pandas;

· jbrockmendel opened on Nov 30, 2025

BUG: <code>KeyError</code> in <code>Series.__getitem__</code> with datetime index and mixed unit slice in pandas 3.0.0rc0

Bug

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

Status: Open.

#63262 In pandas-dev/pandas;

· TomAugspurger opened on Dec 4, 2025

BUG: pandas 3.0.0rc0 hard-requires <code>tzdata</code> Python package

Bug

BuildLibrary building on various platformsLibrary building on various platforms

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

Status: Open.

#63264 In pandas-dev/pandas;

· mgorny opened on Dec 4, 2025

DOC: update copy keyword explanation in astype docstring

Copy / view semantics

Docs

Status: Open (in progress).

pandas-dev/pandasnumber 63274

#63274 In pandas-dev/pandas;

· jorisvandenbossche opened on Dec 5, 2025

API: default to microseconds for Timestamp/Timedelta creation from numeric input

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

Status: Open.

#63275 In pandas-dev/pandas;

· jorisvandenbossche opened on Dec 5, 2025

CI: Use scientific-python/upload-nightly-action for nightly wheels

CIContinuous IntegrationContinuous Integration

Status: Open (in progress).

pandas-dev/pandasnumber 63266

#63266 In pandas-dev/pandas;

· mroeschke opened on Dec 4, 2025

DOC: Address other string types in Pandas 3 string migration guide

Docs

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

Status: Open.

#63279 In pandas-dev/pandas;

· mattharrison opened on Dec 5, 2025

DOC: Copy edit 3.0 whatsnew

Docs

Status: Draft (not ready).

pandas-dev/pandasnumber 63284

#63284 In pandas-dev/pandas;

· rhshadrach opened on Dec 6, 2025