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Parquet reader does not support unknown physical/logical type combinations per GH-607

bug

Status: Open.

Bug

#10941 In apache/arrow-rs;

· etseidl opened on Sep 1, 2026

can_cast_types reports Interval -> Int64 as supported, but cast has no such arm

Status: Open.

#10938 In apache/arrow-rs;

· dylanpulver opened on Sep 1, 2026

struct arraydata edge cases when offsets != 0

bug

Status: Open.

Bug

#10933 In apache/arrow-rs;

· Jefffrey opened on Sep 1, 2026

parquet: write_batch_size is bypassed for columns with compact level data, contrary to its documentation

Status: Open.

#10931 In apache/arrow-rs;

· adriangb opened on Aug 31, 2026

Writing a BOOLEAN column with content-defined chunking panics with "RLE value encoder is not initialized"

Status: Open.

#10929 In apache/arrow-rs;

· adriangb opened on Aug 31, 2026

Parquet: support same-projection RowFilter fusion

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

Status: Open.

Feature

#10926 In apache/arrow-rs;

· haohuaijin opened on Aug 31, 2026

Dictionary values are not merged for view types, and the merge interner can overflow the key type on its own

bug

Status: Open.

Bug

#10925 In apache/arrow-rs;

· okhsunrog opened on Aug 31, 2026

arrow-ipc: a footer block's declared body length is zero-filled before it is read

bug

Status: Open.

Bug

#10921 In apache/arrow-rs;

· Tembocs opened on Aug 31, 2026

parquet: a Thrift list header's element count is reserved before any element is decoded

bug

Status: Open.

Bug

#10920 In apache/arrow-rs;

· Tembocs opened on Aug 31, 2026

variant_to_json has no benchmark, and it got slower

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

Status: Open.

Feature

#10906 In apache/arrow-rs;

· jayzhan211 opened on Aug 29, 2026

[Variant] variant_to_arrow union builder does not preserve variant_get conversion semantics

Status: Open.

#10905 In apache/arrow-rs;

· sdf-jkl opened on Aug 28, 2026

Hoist resolved per-column writer properties across row groups

Status: Open.

#10896 In apache/arrow-rs;

· adriangb opened on Aug 27, 2026