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Update <code>ty</code> once UnionType is fixed

BlockedRequires external dependency before progressingRequires external dependency before progressing

ty bugBug from ty typecheckerBug from ty typechecker

Status: Open.

Task

#1484 In pandas-dev/pandas-stubs;

· loicdiridollou opened on Nov 12, 2025

numpy typing doesn't pick up that you can't divide a generic array into a datetime array - wait for numpy-stubs

Upstream issueIssue related to pandas dependencyIssue related to pandas dependency

Status: Open.

#1475 In pandas-dev/pandas-stubs;

· Dr-Irv opened on Nov 8, 2025

Deprecate <code>NumListLike</code>

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

Status: Open.

#1474 In pandas-dev/pandas-stubs;

· cmp0xff opened on Nov 7, 2025

Handling of np.int64/np.float64 in <code>Series.sum()</code>

ConstructorsSeries/DataFrame/Index/pd.array ConstructorsSeries/DataFrame/Index/pd.array Constructors

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

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

SeriesSeries data structureSeries data structure

Status: Open.

#1464 In pandas-dev/pandas-stubs;

· loicdiridollou opened on Nov 1, 2025

Upstream issues tracker: pandas-dev/pandas#61368 Roche/pyreadstat#310

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

Upstream issueIssue related to pandas dependencyIssue related to pandas dependency

Status: Open.

#1451 In pandas-dev/pandas-stubs;

· cmp0xff opened on Oct 28, 2025

Typing DataFrame

ConstructorsSeries/DataFrame/Index/pd.array ConstructorsSeries/DataFrame/Index/pd.array Constructors

DataFrameDataFrame data structureDataFrame data structure

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

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Visualization

Status: Open.

#1446 In pandas-dev/pandas-stubs;

· MarcoGorelli opened on Oct 23, 2025

Issues from <code>TODO</code>s in <code>timestamps.pyi</code>, <code>timedeltas.pyi</code> and <code>orc.pyi</code>

Arrow

TimedeltaCode related to TimedeltaCode related to Timedelta

TimestampCod related to pd.TimestampCod related to pd.Timestamp

Status: Open.

Task

#1432 In pandas-dev/pandas-stubs;

· cmp0xff opened on Oct 16, 2025

<code>FloatingArray</code> documented but missing from stubs

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

Status: Open.

#1428 In pandas-dev/pandas-stubs;

· MarcoGorelli opened on Oct 16, 2025

How should we type <code>Series</code> with a categorical dtype?

CategoricalCategorical Data TypeCategorical Data Type

help wantedExtra attention is neededExtra attention is needed

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

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

SeriesSeries data structureSeries data structure

Status: Open.

#1415 In pandas-dev/pandas-stubs;

· cmp0xff opened on Oct 9, 2025

<code>DataFrame.loc</code> does not like <code>Sequence[Hashable]</code> for the columns

DataFrameDataFrame data structureDataFrame data structure

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

Status: Open.

#1410 In pandas-dev/pandas-stubs;

· cmp0xff opened on Oct 6, 2025

Nullable dtypes for Series.__new__ and astype

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

Astype

ConstructorsSeries/DataFrame/Index/pd.array ConstructorsSeries/DataFrame/Index/pd.array Constructors

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

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

RoadmapA proposal for the roadmap.A proposal for the roadmap.

SeriesSeries data structureSeries data structure

Status: Open.

#1395 In pandas-dev/pandas-stubs;

· cmp0xff opened on Sep 30, 2025

Create tests for arithmetic for <code>TimedeltaIndex</code> and <code>DatetimeIndex</code>

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Needs TestsUnit test(s) needed to prevent regressionsUnit test(s) needed to prevent regressions

TimedeltaCode related to TimedeltaCode related to Timedelta

TimestampCod related to pd.TimestampCod related to pd.Timestamp

Status: Open.

#1378 In pandas-dev/pandas-stubs;

· cmp0xff opened on Sep 25, 2025