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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

Dictionary page pruning for row filter predicates

parquetChanges to the parquet crateChanges to the parquet crate

performance

Status: Open.

#9588 In apache/arrow-rs;

· Dandandan opened on Mar 19, 2026

Fuse RLE decoding and view gathering for StringView dictionary decoding

parquetChanges to the parquet crateChanges to the parquet crate

performance

Status: Open.

#9582 In apache/arrow-rs;

· Dandandan opened on Mar 19, 2026

Use branchless index clamping and add get_batch_direct to RleDecoder

parquetChanges to the parquet crateChanges to the parquet crate

performance

Status: Open.

#9581 In apache/arrow-rs;

· Dandandan opened on Mar 19, 2026

Reduce per-byte overhead in VLQ integer decoding

parquetChanges to the parquet crateChanges to the parquet crate

performance

Status: Open.

#9580 In apache/arrow-rs;

· Dandandan opened on Mar 19, 2026

Avoid unnecessary buffer zero-fill in Snappy decompression

parquetChanges to the parquet crateChanges to the parquet crate

performance

Status: Open.

#9579 In apache/arrow-rs;

· Dandandan opened on Mar 19, 2026

A way to resolve an Avro reader schema based on the writer schema and the required Arrow schema

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

Status: Open.

#9575 In apache/arrow-rs;

· mzabaluev opened on Mar 18, 2026