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[parquet] Consider crate to provide object_store crate integration

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

Status: Open.

Feature

#10501 In apache/arrow-rs;

· alamb opened on Jul 31, 2026

arrow-avro: validate per-block sync markers against the file header

Status: Open.

#10495 In apache/arrow-rs;

· ranflarion opened on Jul 30, 2026

arrow-avro: sync marker assembled incorrectly when it splits across decode() calls

Status: Open.

#10494 In apache/arrow-rs;

· ranflarion opened on Jul 30, 2026

arrow-avro: object_store error type is lost in the async reader (stringified into AvroError::General)

Status: Open.

#10493 In apache/arrow-rs;

· ranflarion opened on Jul 30, 2026

arrow-pyarrow offers no way to generate stubs through PyO3's experimental-inspect

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

Status: Open.

Feature

#10491 In apache/arrow-rs;

· jonasdedden opened on Jul 30, 2026

DELTA_BYTE_ARRAY stops deduplicating in parquet 59 for values larger than the page size limit

bug

Status: Open.

Bug

#10489 In apache/arrow-rs;

· jonasdedden opened on Jul 30, 2026

JSON decoder for RunEndEncoded accepts nulls even though the values field is non-nullable

bug

good first issueGood for newcomersGood for newcomers

Status: Open.

Bug

#10478 In apache/arrow-rs;

· mzabaluev opened on Jul 29, 2026

arrow-cast: decimal parsing tracking issue

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

Status: Open.

#10477 In apache/arrow-rs;

· Jefffrey opened on Jul 29, 2026

Run miri against more crates

development-processRelated to development process of arrow-rsRelated to development process of arrow-rs

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

good first issueGood for newcomersGood for newcomers

Status: Open.

Feature

#10471 In apache/arrow-rs;

· Jefffrey opened on Jul 29, 2026

parquet: record API allocates a Vec plus one String per column, per row, in Reader::read

Status: Open.

#10468 In apache/arrow-rs;

· Niqnil opened on Jul 29, 2026

Avoid re-encoding dictionaries when writing to Parquet

parquetChanges to the parquet crateChanges to the parquet crate

performance

Status: Open.

Feature

#10465 In apache/arrow-rs;

· Jefffrey opened on Jul 29, 2026

Add documentation about using Profile Guided Optimization (PGO)

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#10464 In apache/arrow-rs;

· Jefffrey opened on Jul 28, 2026