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Zstd context reuse

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

Status: Open.

#9401 In apache/arrow-rs;

· Dandandan opened on Feb 12, 2026

<code>MutableArrayData::new</code> docstring states <code>capacity</code> is in bytes when it seems to be slots

bug

Status: Open.

#9398 In apache/arrow-rs;

· Jefffrey opened on Feb 12, 2026

ArrowArrayStreamReader errors on zero-column record batches

bug

Status: Open.

#9394 In apache/arrow-rs;

· kylebarron opened on Feb 11, 2026

<code>split_batch_for_grpc_response</code> over-splits batches after IPC deserialization

bug

Status: Open.

#9388 In apache/arrow-rs;

· Tristan1900 opened on Feb 11, 2026

Stack overflow with pathological cases of <code>WriterProperties::max_row_group_count</code> and <code>WriterProperties::max_row_group_bytes</code>

parquetChanges to the parquet crateChanges to the parquet crate

Status: Open.

Bug

#9386 In apache/arrow-rs;

· alamb opened on Feb 10, 2026

Introduce <code>NullBuffer::try_from_unsliced</code> to simplify array construction

Status: Open.

#9385 In apache/arrow-rs;

· liamzwbao opened on Feb 9, 2026

Parallel Parquet Reading

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

Status: Open.

#9381 In apache/arrow-rs;

· pmarks opened on Feb 9, 2026

Arrow-csv does not update null flag in <code>Field</code> on inference

bug

Status: Open.

#9380 In apache/arrow-rs;

· realonbebeto opened on Feb 9, 2026

Optimize <code>from_bitwise_binary_op</code>

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

Status: Open.

#9378 In apache/arrow-rs;

· Dandandan opened on Feb 8, 2026

Missing tests - <code>arrow::row</code> has logic for encoding <code>RunEndEncoded</code> data type but no tests

Status: Open.

#9377 In apache/arrow-rs;

· rluvaton opened on Feb 8, 2026

Use <code>u32</code> or <code>i32</code> consistently for ByteView length

Status: Open.

#9371 In apache/arrow-rs;

· alamb opened on Feb 6, 2026

Error "Not all children array length are the same!" when decoding rows spanning across page boundaries in parquet file when using <code>RowSelection</code>

bug

Status: Open.

#9370 In apache/arrow-rs;

· jonded94 opened on Feb 6, 2026