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[arrow-avro] Add missing Arrow DataType support with <code>avro_custom_types</code> round-trip + non-custom fallbacks

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

Status: Open.

#9290 In apache/arrow-rs;

· jecsand838 opened on Jan 28, 2026

arrow-buffer: Potential Undefined Behavior Reported by Miri

bug

Status: Open.

#9287 In apache/arrow-rs;

· yilin0518 opened on Jan 28, 2026

arrow-buffer: Potential Undefined Behavior Reported by Miri

bug

Status: Open.

#9286 In apache/arrow-rs;

· yilin0518 opened on Jan 28, 2026

Configurable Arrow representation of UTC timestamps for Avro reader

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

Status: Open.

#9279 In apache/arrow-rs;

· mzabaluev opened on Jan 27, 2026

Split up Parquet reader tests

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

Status: Open.

#9269 In apache/arrow-rs;

· alamb opened on Jan 26, 2026

A more generic convenience method to create list arrays from nested iterators

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

Status: Open.

#9267 In apache/arrow-rs;

· jhorstmann opened on Jan 26, 2026

Improve casting for listview types

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

Status: Open.

#9264 In apache/arrow-rs;

· Jefffrey opened on Jan 26, 2026

<code>RowConverter</code> panics when encoding union array with non-default type IDs

bug

Status: Open.

#9263 In apache/arrow-rs;

· kawadakk opened on Jan 26, 2026

[parquet] reader perf - avoid some rle decode loop senarios in read_def_levels

Status: Open.

#9254 In apache/arrow-rs;

· lyang24 opened on Jan 23, 2026

InvalidArgumentError("Expected 1 buffers in array of type FixedSizeBinary(4), got 2"

bug

Status: Open.

#9247 In apache/arrow-rs;

· alamb opened on Jan 22, 2026

Support variables/expressions in record_batch! macro

Status: Open.

#9245 In apache/arrow-rs;

· ByteBaker opened on Jan 21, 2026

Add blessed way to write Parquet row groups with different <code>WriterProperties</code>

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

Status: Open.

#9242 In apache/arrow-rs;

· coracuity opened on Jan 21, 2026