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[READY] perf improvements for strftime

DatetimeDatetime data dtypeDatetime data dtype

PerformanceMemory or execution speed performanceMemory or execution speed performance

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 51298

#51298 In pandas-dev/pandas;

· smarie opened on Feb 10, 2023

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

· 

3.0

ExtensionArray.Round method and tests

ExtensionArrayExtending pandas with custom dtypes or arrays.Extending pandas with custom dtypes or arrays.

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 54582

#54582 In pandas-dev/pandas;

· andrewgsavage opened on Aug 16, 2023

PERF: improve StringArray.isna

PerformanceMemory or execution speed performanceMemory or execution speed performance

Stale

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

Status: Open (in progress).

pandas-dev/pandasnumber 57733

#57733 In pandas-dev/pandas;

· jorisvandenbossche opened on Mar 5, 2024

DEPR: resample with PeriodIndex

Clean

PeriodPeriod data typePeriod data type

Resampleresample methodresample method

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 58021

#58021 In pandas-dev/pandas;

· jbrockmendel opened on Mar 26, 2024

Add <code>strict_na</code> keyword to the assert_.._equal methods for object dtype to help with deprecation

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

Stale

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

Status: Draft (not ready).

pandas-dev/pandasnumber 58072

#58072 In pandas-dev/pandas;

· jorisvandenbossche opened on Mar 29, 2024

API/CoW: take view of underlying Block values for shallow (deep=False) copies

Copy / view semantics

Stale

Status: Draft (not ready).

pandas-dev/pandasnumber 58966

#58966 In pandas-dev/pandas;

· jorisvandenbossche opened on Jun 10, 2024

ENH: add basic DataFrame.from_arrow class method for importing through Arrow PyCapsule interface

Arrowpyarrow functionalitypyarrow functionality

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 59696

#59696 In pandas-dev/pandas;

· jorisvandenbossche opened on Sep 3, 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

· 

3.0

ENH, DOC: Add JupyterLite-powered interactive examples for the <code>pandas</code> documentation

Stale

Webpandas websitepandas website

Status: Draft (not ready).

pandas-dev/pandasnumber 61061

#61061 In pandas-dev/pandas;

· agriyakhetarpal opened on Mar 5, 2025

ENH: Implement translations infrastructure

Docs

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 61380

#61380 In pandas-dev/pandas;

· goanpeca opened on Apr 30, 2025

Fix alignment in Series subtraction with MultiIndex, Index and NaN values (#60908)

Bug

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

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

MultiIndex

Stale

Status: Open (in progress).

pandas-dev/pandasnumber 61381

#61381 In pandas-dev/pandas;

· rit4rosa opened on Apr 30, 2025