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[C++] Replace RapidJSON with simdjson in JSON chunker

Component: C++

Type: enhancement

Status: Open.

#50944 In apache/arrow;

· Reranko05 opened on Aug 21, 2026

[CI][Packaging][Python] Python 3.15.0.rc*: add testing against Pandas nightly builds

Component: Continuous Integration

Component: Python

Type: enhancement

Status: Open.

#50943 In apache/arrow;

· paultiq opened on Aug 21, 2026

·  

26.0.0

[R] CRAN packaging checklist for version 25.0.1

Status: Open.

#50941 In apache/arrow;

· thisisnic opened on Aug 21, 2026

[C++][Integration] Replace RapidJSON with simdjson

Component: C++

Type: enhancement

Status: Open.

#50936 In apache/arrow;

· Reranko05 opened on Aug 21, 2026

[C++] Fix shellcheck errors in cpp/build-support/run-test.sh

Component: C++

Type: enhancement

Status: Open.

#50934 In apache/arrow;

· hiroyuki-sato opened on Aug 21, 2026

[C++][CI] S3 tests fail with "Attempt to initialize S3 after it has been finalized"

Component: C++

Component: Continuous Integration

Type: bug

Status: Open.

#50930 In apache/arrow;

· tadeja opened on Aug 20, 2026

[C++] Allow CSV reader to pad rows with missing trailing fields

Component: C++

Type: enhancement

Status: Open.

#50925 In apache/arrow;

· HuaHuaY opened on Aug 20, 2026

[Archery] Redact sensitive arguments in command debug logs

Component: Archery

Type: bug

Status: Open.

#50922 In apache/arrow;

· hemanthumashankar0511 opened on Aug 20, 2026

[C++][CI] Meson build is failed with bundled bzip2 build error

Component: C++

Type: bug

Status: Open.

#50921 In apache/arrow;

· Reranko05 opened on Aug 20, 2026

[GLib] red-arrow-flight TestFlightSQLClient#prepare sometime crash on macOS

Component: GLib

Type: bug

Status: Open.

#50919 In apache/arrow;

· hiroyuki-sato opened on Aug 20, 2026

[Format] Allow TimestampType to annotate FLBA(12)

Component: Format

Type: enhancement

Status: Open.

#50915 In apache/arrow;

· divjotarora opened on Aug 19, 2026

[C++][Dataset] Replace RapidJSON with JsonWriter in JSON Dataset

Component: C++

Type: enhancement

Status: Open.

#50913 In apache/arrow;

· Reranko05 opened on Aug 19, 2026