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Make an API to help with the pattern of 'replaces the values of the REE array'

arrowChanges to the arrow crateChanges to the arrow crate

good first issueGood for newcomersGood for newcomers

Status: Open.

#9854 In apache/arrow-rs;

· alamb opened on Apr 29, 2026

[arrow-cast] incorrect Time32 -> Time64 conversion

bug

Status: Open.

#9851 In apache/arrow-rs;

· bboissin opened on Apr 29, 2026

Parquet reader rejects canonical UNKNOWN logical type on BOOLEAN physical columns

Status: Open.

#9844 In apache/arrow-rs;

· cdelmonte-zg opened on Apr 28, 2026

[arrow-buffer] Add fallible APIs for overflow-prone buffer growth

enhancementAny new improvement worthy of a entry in the changelogAny new improvement worthy of a entry in the changelog

Status: Open.

#9843 In apache/arrow-rs;

· alamb opened on Apr 28, 2026

Add a is_normalized flag to DictionaryArray

enhancementAny new improvement worthy of a entry in the changelogAny new improvement worthy of a entry in the changelog

Status: Open.

#9841 In apache/arrow-rs;

· Rich-T-kid opened on Apr 27, 2026

feat(ipc): zero-copy pull-based StreamReader for in-memory buffers

Status: Open.

#9837 In apache/arrow-rs;

· rustyconover opened on Apr 26, 2026

Avoid repeated heap allocations and buffer copies in IPC writer

Status: Open.

#9835 In apache/arrow-rs;

· pchintar opened on Apr 26, 2026

does it make sense to add concurrent benches?

questionFurther information is requestedFurther information is requested

Status: Open.

#9834 In apache/arrow-rs;

· lyang24 opened on Apr 26, 2026

Configurable data page v2 compression threshold

enhancementAny new improvement worthy of a entry in the changelogAny new improvement worthy of a entry in the changelog

Status: Open.

#9827 In apache/arrow-rs;

· leoyvens opened on Apr 25, 2026

Cast: overflow when converting Date32 -> Timestamp

bug

Status: Open.

#9824 In apache/arrow-rs;

· bboissin opened on Apr 25, 2026

Run arrow tests for --lib and --tests on CI builds

Status: Open.

#9815 In apache/arrow-rs;

· alamb opened on Apr 25, 2026

Support advanced ZSTD compression parameters (window_log, etc.) in Parquet writer

enhancementAny new improvement worthy of a entry in the changelogAny new improvement worthy of a entry in the changelog

Status: Open.

#9807 In apache/arrow-rs;

· stepecho opened on Apr 24, 2026