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[C++][CI][Packing] Fix <code>rsync</code> command not found for ODBC Nightly Release step

Component: C++

Component: FlightRPC

Component: Packaging

Type: bug

Status: Open.

#48932 In apache/arrow;

· alinaliBQ opened on Jan 21, 2026

[C++] Optimize Decimal128 abs hotspot; add exec‑only TPC‑H Q1 benchmark

Component: C++

Type: enhancement

Status: Open.

#48931 In apache/arrow;

· Manas103 opened on Jan 21, 2026

[R] Update NEWS for 23.0.0 release

Component: R

Type: enhancement

Status: Open.

#48928 In apache/arrow;

· thisisnic opened on Jan 21, 2026

[C++] Building Flight with bundled gRPC / Abseil fails with gcc-15 and C++20

Component: C++

Type: bug

Status: Open.

#48926 In apache/arrow;

· raulcd opened on Jan 21, 2026

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

Component: C++

Component: Continuous Integration

Type: enhancement

Status: Open.

#48924 In apache/arrow;

· pitrou opened on Jan 21, 2026

[C++][CI] Fuzz more IPC reading features

Component: C++

Component: Continuous Integration

Type: enhancement

Status: Open.

#48923 In apache/arrow;

· pitrou opened on Jan 21, 2026

[C++] Result::Map should allow a callable that returns a Status

Component: C++

good-first-issue

Type: enhancement

Status: Open.

#48922 In apache/arrow;

· pitrou opened on Jan 21, 2026

[C++] Bump mimalloc to 3.2.7

Component: C++

Type: enhancement

Status: Open.

#48921 In apache/arrow;

· pitrou opened on Jan 21, 2026

[C++] Support List, Map, and Struct types in replace_with_mask, fill_null_forward, and fill_null_backward

Component: C++

Type: enhancement

Status: Open.

#48918 In apache/arrow;

· HyukjinKwon opened on Jan 21, 2026

[Ruby] Add support for writing binary array

Component: Ruby

Type: enhancement

Status: Open.

#48916 In apache/arrow;

· kou opened on Jan 21, 2026

[R] Compilation errors on continuous benchmarking

Component: Benchmarking

Component: R

Type: bug

Status: Open.

#48912 In apache/arrow;

· pitrou opened on Jan 20, 2026

[R] write_to_raw is very slow

Component: R

Type: bug

Status: Open.

#48908 In apache/arrow;

· debrouwere opened on Jan 20, 2026