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[arrow-avro] Add AsyncWriter

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

Status: Open.

#9212 In apache/arrow-rs;

· jecsand838 opened on Jan 18, 2026

[arrow-avro] Develop Feature-flagged JIT Avro-to-Arrow decoder backend (schema-specialized fast path)

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

Status: Open.

#9211 In apache/arrow-rs;

· jecsand838 opened on Jan 18, 2026

<code>StructArray</code> field names are not unique

Status: Open.

#9205 In apache/arrow-rs;

· connortsui20 opened on Jan 16, 2026

JSON parser tolerates illegal commas

bug

Status: Open.

#9204 In apache/arrow-rs;

· scovich opened on Jan 16, 2026

[Parquet] Support other encryption/decryption key size

Status: Open.

#9202 In apache/arrow-rs;

· hsiang-c opened on Jan 16, 2026

Support casting negative scale decimals to numeric

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

Status: Open.

#9201 In apache/arrow-rs;

· Jefffrey opened on Jan 16, 2026

Sealing the <code>Array</code> trait broke downstream crates

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

Status: Open.

#9184 In apache/arrow-rs;

· alamb opened on Jan 15, 2026

Replace <code>chrono</code> w/ <code>jiff</code>

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

Status: Open.

#9183 In apache/arrow-rs;

· crepererum opened on Jan 15, 2026

perf: cache <code>ArrayRef</code> in <code>RowGroupIndexReader</code> when row group doesn't change

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

Status: Open.

#9181 In apache/arrow-rs;

· friendlymatthew opened on Jan 14, 2026

perf: optimize <code>RowGroupIndexReader</code> for single row group reads

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

Status: Open.

#9180 In apache/arrow-rs;

· friendlymatthew opened on Jan 14, 2026

Support formatting ListView

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

Status: Open.

#9174 In apache/arrow-rs;

· brancz opened on Jan 14, 2026

Add lossy flag in CastOptions

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

Status: Open.

#9172 In apache/arrow-rs;

· klion26 opened on Jan 14, 2026