Support per-batch custom_metadata on RecordBatch (IPC Message field)

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#1,035 opened on Feb 24, 2026 1 comment 0 reactions 1 assignee View on GitHub

@ennuite is already working on this.

Since Feb 24, 2026.

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This issue has not been assessed yet.

Description

Type: enhancement

Describe the enhancement requested

This is a port of https://github.com/apache/arrow-rs/issues/9444 to this repo.

We have the same problem with the ArrowRecordBatch class not supporting custom_metadata

Dominant language: Java
Stars: 95
Forks: 154
Avg merge: 2d 10h
Merged PRs (30d): 11

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