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DOC: Add "Try it in your browser!" interactive button to documentation

Docs

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

Status: Open.

#65734 In pandas-dev/pandas;

· Ultraluxe25 opened on May 25, 2026

CI: add Zizmor setup in workflow

Status: Open.

#65730 In pandas-dev/pandas;

· Aniketsy opened on May 25, 2026

API: how to handle time zone (DST) transitions in the distant future?

API Design

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

TimezonesTimezone data dtypeTimezone data dtype

Status: Open.

#65712 In pandas-dev/pandas;

· jorisvandenbossche opened on May 22, 2026

BUG: DataFrame.any/all(skipna=False) raises ValueError instead of returning NA

Bug

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

Status: Open.

#65710 In pandas-dev/pandas;

· gautamvarmadatla opened on May 22, 2026

REGR (main): MultiIndex.equals now takes into account bitwidth of the codes

Bug

Status: Open.

#65700 In pandas-dev/pandas;

· jorisvandenbossche opened on May 21, 2026

·  

3.1

BUG: pyarrow-nightly CI fails during Pixi install due to stale locked nightly wheel

Bug

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

Status: Open.

#65690 In pandas-dev/pandas;

· kjmin622 opened on May 20, 2026

ENH/API: Architectural Audit - Are other inplace=True methods bypassing CoW reference tracking?

Bug

Copy / view semantics

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

Status: Open.

#65676 In pandas-dev/pandas;

· GiTaDi-CrEaTe opened on May 18, 2026

BUG: Data corruption after .eval(..., inplace=True).

Bug

Copy / view semantics

expressionspd.eval, query, pd.colpd.eval, query, pd.col

Status: Open.

#65664 In pandas-dev/pandas;

· VukanJ opened on May 16, 2026

·  

3.0.4

BUG: DataFrame.melt silently corrupts data on var_name output-name collisions

Bug

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

Status: Open.

#65654 In pandas-dev/pandas;

· gautamvarmadatla opened on May 15, 2026

PERF: pandas.io.sql.has_table slow for ADBC driver with large database

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

PerformanceMemory or execution speed performanceMemory or execution speed performance

Status: Open.

#65652 In pandas-dev/pandas;

· chrisbouchard opened on May 15, 2026

BUG: assert_index_equal does not raised on extra unused levels

Bug

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

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

Status: Open.

#65649 In pandas-dev/pandas;

· rhshadrach opened on May 15, 2026

BUG: Timedeltas less than 1 second truncate to 0

Numeric OperationsArithmetic, Comparison, and Logical operationsArithmetic, Comparison, and Logical operations

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

TimedeltaTimedelta data typeTimedelta data type

Status: Open.

#65608 In pandas-dev/pandas;

· cdholmes opened on May 12, 2026

·  

3.0.4