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[Packaging][Python] PyArrow fails building with nightlies Cython

Component: Packaging

Component: Python

Type: bug

Status: Closed (completed).

#49138 In apache/arrow;

· by raulcd was closed on Feb 5, 2026

[C++] OOB write in buffered IO

Component: C++

Type: bug

Status: Closed (completed).

#48311 In apache/arrow;

· by chegoryu was closed on Jan 15, 2026

[C++][Gandiva] CPU attributes are not passed to the LLVM layer during code generation

Component: C++

Type: bug

Status: Closed (completed).

#48160 In apache/arrow;

· by lriggs was closed on Jan 25, 2026

[C++][FlightRPC][MSVC] Flight SQL ODBC: Potential deadlock error after C++ 20 requirement is enabled

Component: C++

Component: FlightRPC

Type: bug

Status: Closed (completed).

#48637 In apache/arrow;

· by alinaliBQ was closed on Jan 26, 2026

[C++][IPC] Turn disabled bodyLength assertions into error checks

Component: C++

Type: enhancement

Status: Closed (completed).

#48844 In apache/arrow;

· by pitrou was closed on Jan 13, 2026

[Release] Update copyright date on NOTICE.txt

Component: Release

Type: bug

Status: Closed (completed).

#48856 In apache/arrow;

· by raulcd was closed on Jan 15, 2026

[C++][Parquet] Plaintext footer signature verification re-serializes footer

Component: C++

Component: Parquet

Type: bug

Status: Closed (completed).

#48858 In apache/arrow;

· by pitrou was closed on Jan 21, 2026

[CI] Extra scheduled jobs fail sending email

Component: Continuous Integration

Type: bug

Status: Closed (completed).

#48861 In apache/arrow;

· by raulcd was closed on Jan 16, 2026

[C++][CMake] Export config for static libarrow build broken in 23

Component: C++

Type: bug

Status: Closed (completed).

#48885 In apache/arrow;

· by jpfeuffer was closed on Jan 23, 2026

[Python] Conda jobs segfault on Azure tests due to old nodejs version being installed

Component: Python

Type: bug

Status: Closed (completed).

#48894 In apache/arrow;

· by raulcd was closed on Jan 20, 2026

[C++] Incorrect variadic buffer count in IPC can easily blow up memory

Component: C++

Type: bug

Status: Closed (completed).

#48900 In apache/arrow;

· by pitrou was closed on Jan 21, 2026

[Ruby] Literal expressions gets wrong value

Component: Ruby

Type: bug

Status: Closed (completed).

#48880 In apache/arrow;

· by stenlarsson was closed on Jan 26, 2026

[C++] Arrow Flight SQL ODBC driver has a cookie duplication bug

Component: C++

Type: bug

Status: Closed (completed).

#48966 In apache/arrow;

· by jmao-denver was closed on Jan 27, 2026

[C++][CI] Fuzz IPC file metadata pre-buffering

Component: C++

Component: Continuous Integration

Type: enhancement

Status: Closed (completed).

#48924 In apache/arrow;

· by pitrou was closed on Jan 26, 2026

[Python][C++] free-threaded wheels for Python 3.13 are failing to build flight

Component: C++

Component: Python

Type: bug

Status: Closed (completed).

#48965 In apache/arrow;

· by raulcd was closed on Jan 26, 2026

[Docs][Python] Doctest fails on pandas 3.0

Component: Python

good-first-issue

Type: bug

Status: Closed (completed).

#48961 In apache/arrow;

· by rok was closed on Jan 28, 2026

[R][C++] Fix RE2 compilation errors under C++20

Component: C++

Component: R

Type: enhancement

Status: Closed (completed).

#48973 In apache/arrow;

· by jonkeane was closed on Jan 25, 2026

[C++] Fix issues found by OSS-Fuzz in IPC reader

Component: C++

Type: bug

Status: Closed (completed).

#49059 In apache/arrow;

· by pitrou was closed on Jan 29, 2026

[Python][Packaging] Missing license files in 23.0.0 wheels

Component: Packaging

Component: Python

Type: bug

Status: Closed (completed).

#48983 In apache/arrow;

· by radoering was closed on Jan 29, 2026

[CI][Archery][Dev] Add missing headers to email reports

Component: Archery

Component: Continuous Integration

Component: Developer Tools

Type: enhancement

Status: Closed (completed).

#48623 In apache/arrow;

· by kou was closed on Jan 13, 2026

MINOR: [CI][Release] Fix incorrect path in release_candidate.yml

awaiting mergeAwaiting mergeAwaiting merge

backport-candidate

Status: Merged (completed).

apache/arrownumber 48871

#48871 In apache/arrow;

· by amoeba was closed on Jan 16, 2026

[CI][Python] Win job started failing on test_download_tzdata_on_windows

Component: Continuous Integration

Component: Python

Type: bug

Status: Closed (completed).

#49044 In apache/arrow;

· by AlenkaF was closed on Jan 29, 2026

[Python] CSV reader returns different values in 23.0.0

Component: C++

Component: Python

good-first-issue

Type: bug

Status: Closed (completed).

#49003 In apache/arrow;

· by rhshadrach was closed on Feb 3, 2026

[CI][Release] macOS conda source verification jobs fail to build Arrow C++

Component: Continuous Integration

Component: Release

Type: bug

Status: Closed (completed).

#49137 In apache/arrow;

· by raulcd was closed on Feb 6, 2026

[C++][Gandiva] repeat() doesn't check output size

Component: C++

Component: Gandiva

Type: bug

Status: Closed (completed).

#49159 In apache/arrow;

· by kou was closed on Feb 10, 2026