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DOC: Improve flow of '10 minutes to pandas' by adding an intro to the Merge section

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.

#63592 In pandas-dev/pandas;

· Saikrishna-dev-oss opened on Jan 6, 2026

BUG: iloc[0] raises ValueError with SparseArray column and numpy array column

Bug

Closing CandidateMay be closeable, needs more eyeballsMay be closeable, needs more eyeballs

SparseSparse Data TypeSparse Data Type

Status: Open.

#63581 In pandas-dev/pandas;

· rpadaki opened on Jan 6, 2026

BUG: pd.read_sql returns fewer rows than manual cursor execution for the same query and connection

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.

#63574 In pandas-dev/pandas;

· ayazurrashid opened on Jan 5, 2026

BUG: pd.read_json fails with "Value is too big!" on large integers, while json.load + DataFrame works

Bug

IO JSONread_json, to_json, json_normalizeread_json, to_json, json_normalize

Status: Open.

#63572 In pandas-dev/pandas;

· wongzhenhao opened on Jan 5, 2026

DEPR: Series.round and Series.clip on non-numeric and non-object dtypes

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

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

SeriesSeries data structureSeries data structure

Transformationse.g. cumsum, diff, ranke.g. cumsum, diff, rank

Status: Open.

#63559 In pandas-dev/pandas;

· rhshadrach opened on Jan 3, 2026

ENH: Decay-weighted rolling aggregations with defined behavior for duplicate timestamps

Enhancement

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

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#63551 In pandas-dev/pandas;

· vkverma9534 opened on Jan 3, 2026

BUG: PyArrow-backed datetime index missing numpy-like attributes

Arrowpyarrow functionalitypyarrow functionality

Bug

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

Status: Open.

#63527 In pandas-dev/pandas;

· mattharrison opened on Dec 31, 2025

BUG: <code>.loc</code> slicing fails on PyArrow-backed date index

Arrowpyarrow functionalitypyarrow functionality

Bug

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

Status: Open.

#63526 In pandas-dev/pandas;

· mattharrison opened on Dec 31, 2025

ENH: first-class UUID support

Enhancement

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

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

Status: Open.

#63511 In pandas-dev/pandas;

· flying-sheep opened on Dec 30, 2025

QST: Error while building document

BuildLibrary building on various platformsLibrary building on various platforms

Docs

Status: Open.

#63477 In pandas-dev/pandas;

· Manjugadupudi opened on Dec 24, 2025

ENH: Add an opt in operation report for time memory and copy behavior

Closing CandidateMay be closeable, needs more eyeballsMay be closeable, needs more eyeballs

Enhancement

Status: Open.

#63476 In pandas-dev/pandas;

· gautamvarmadatla opened on Dec 23, 2025

ENH: Sampling a contiguous block from a DF

Docs

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

Status: Open.

#63475 In pandas-dev/pandas;

· YM2132 opened on Dec 23, 2025