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Moving to PyArrow dtypes by default

Arrowpyarrow functionalitypyarrow functionality

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

Status: Open.

#61618 In pandas-dev/pandas;

· datapythonista opened on Jun 9, 2025

BUG: numpy_nullable NaNs do not round-trip through CSV

Bug

IO CSVread_csv, to_csvread_csv, to_csv

PDEP missing valuesIssues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprintIssues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint

Status: Open.

#61617 In pandas-dev/pandas;

· jbrockmendel opened on Jun 9, 2025

CI: New NumPy release breaking Numba in our CI

CIContinuous IntegrationContinuous Integration

DependenciesRequired and optional dependenciesRequired and optional dependencies

Status: Open.

#61616 In pandas-dev/pandas;

· datapythonista opened on Jun 9, 2025

QST: Subject: User Experience Issue - NumPy Types in DataFrame Results Breaking Readability

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

Usage Question

Status: Open.

#61607 In pandas-dev/pandas;

· COderHop opened on Jun 8, 2025

BUG: Writing UUIDs fail

Bug

IO Parquetparquet, featherparquet, feather

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

Status: Open.

#61602 In pandas-dev/pandas;

· torchss opened on Jun 7, 2025

RLS: 2.3.1

Release

Status: Open.

#61590 In pandas-dev/pandas;

· mroeschke opened on Jun 6, 2025

· 

2.3.1

Unpin Python version in the development environment

CIContinuous IntegrationContinuous Integration

DependenciesRequired and optional dependenciesRequired and optional dependencies

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

Status: Open.

#61585 In pandas-dev/pandas;

· datapythonista opened on Jun 6, 2025

Proposal to allow third-party engines for readers and writers

API Design

Enhancement

IO DataIO issues that don't fit into a more specific labelIO issues that don't fit into a more specific label

Status: Open.

#61584 In pandas-dev/pandas;

· datapythonista opened on Jun 6, 2025

BUG: pd.DataFrame.mul has not support fill_value?

Bug

Status: Open.

#61581 In pandas-dev/pandas;

· TungPhaSanh opened on Jun 6, 2025

BUG: Inconsistent behavior surrounding pd.fillna

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

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

Status: Open.

#61568 In pandas-dev/pandas;

· anna-intellegens opened on Jun 5, 2025

BUILD: Installation issue on Mac with M1 Pro arm64 processor. pandas_parser.cpython-311-darwin.so is using x86_64 arch

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

OS XRelated to Mac OS & hardware issues (M1)Related to Mac OS & hardware issues (M1)

Status: Open.

#61566 In pandas-dev/pandas;

· Leviann opened on Jun 5, 2025

ENH: Columns formatted as "Text" in Excel are read as numbers

Enhancement

IO Excelread_excel, to_excelread_excel, to_excel

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

Status: Open.

#61539 In pandas-dev/pandas;

· pranay-sa opened on Jun 3, 2025