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[Variant] variant_get(..., List<_>) non-Struct types support

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

Status: Open.

#9615 In apache/arrow-rs;

· sdf-jkl opened on Mar 24, 2026

Fast non-validating reader mode to count records in Avro OCF files

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

Status: Open.

#9613 In apache/arrow-rs;

· mzabaluev opened on Mar 24, 2026

[Parquet] How to decode part columns of ColumnIndex

parquetChanges to the parquet crateChanges to the parquet crate

questionFurther information is requestedFurther information is requested

Status: Open.

#9609 In apache/arrow-rs;

· mapleFU opened on Mar 24, 2026

Avro decoder can't handle a reader schema with no fields

bug

Status: Open.

#9608 In apache/arrow-rs;

· mzabaluev opened on Mar 24, 2026

variant_get should follow JSONpath semantics

Status: Open.

#9606 In apache/arrow-rs;

· scovich opened on Mar 23, 2026

Use release KEYS file for verification instead of dev KEYS

bug

Status: Open.

#9603 In apache/arrow-rs;

· raulcd opened on Mar 23, 2026

How to handle delta dictionaries and finish_preserve_values with nested builders

questionFurther information is requestedFurther information is requested

Status: Open.

#9600 In apache/arrow-rs;

· adamreichold opened on Mar 22, 2026

[Variant] Add unshredded Struct fast-path for variant_get(..., Struct)

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

Status: Open.

#9596 In apache/arrow-rs;

· sdf-jkl opened on Mar 20, 2026

IPC reader: handling of dictionaries with only null values

bug

Status: Open.

#9595 In apache/arrow-rs;

· pierrebelzile opened on Mar 20, 2026

Create a "end to end" Content Addressable Storage / CDC Chunking Example

Status: Open.

#9592 In apache/arrow-rs;

· alamb opened on Mar 20, 2026

Filter pushdown selectivity threshold

parquetChanges to the parquet crateChanges to the parquet crate

performance

Status: Open.

#9591 In apache/arrow-rs;

· Dandandan opened on Mar 19, 2026

Parquet decoding/pushdown performance improvements

parquetChanges to the parquet crateChanges to the parquet crate

performance

Status: Open.

#9589 In apache/arrow-rs;

· Dandandan opened on Mar 19, 2026