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handle Null type in try_merge for Struct, List, LargeList, and Union

bug

Status: Open.

#9523 In apache/arrow-rs;

· zhuqi-lucas opened on Mar 8, 2026

[Variant] Support extracting struct fields as Variant using ExtensionType

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

Status: Open.

#9519 In apache/arrow-rs;

· codephage2020 opened on Mar 6, 2026

parquet-variant: <code>variant_get</code> tests clean up

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

Status: Open.

#9517 In apache/arrow-rs;

· sdf-jkl opened on Mar 5, 2026

Invalid offset in sparse column chunk data for multiple predicates

bug

Status: Open.

#9516 In apache/arrow-rs;

· cetra3 opened on Mar 5, 2026

parquet_variant: Support LargeUtf8 typed value in <code>unshred_variant</code>

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

Status: Open.

#9513 In apache/arrow-rs;

· friendlymatthew opened on Mar 5, 2026

parquet-variant: Support string view typed value in <code>unshred_variant</code>

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

Status: Open.

#9512 In apache/arrow-rs;

· friendlymatthew opened on Mar 5, 2026

Combine parallel column encoding (ArrowRowGroupWriterFactory) with async writes (AsyncArrowWriter)

questionFurther information is requestedFurther information is requested

Status: Open.

#9499 In apache/arrow-rs;

· Shailesh-Kumar-Singh opened on Mar 2, 2026

Optimize parse_in_bracket to avoid unnecessary String allocations

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

Status: Open.

#9493 In apache/arrow-rs;

· codephage2020 opened on Feb 28, 2026

FileEncryptionProperties struct does not appear in docs.rs

bug

Status: Open.

#9489 In apache/arrow-rs;

· fbx31 opened on Feb 27, 2026

JSON reader doesn't support scalar-to-list promotion, even though schema inference does

bug

Status: Open.

#9484 In apache/arrow-rs;

· Rafferty97 opened on Feb 26, 2026

Support schema inference for top-level arrays

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

Status: Open.

#9482 In apache/arrow-rs;

· Rafferty97 opened on Feb 26, 2026

Publicly export <code>arrow_string::Predicate</code> and its methods?

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

Status: Open.

#9480 In apache/arrow-rs;

· jhorstmann opened on Feb 25, 2026