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Parquet: Should DataPageV2 shrink_to_fit?

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

parquetChanges to the parquet crateChanges to the parquet crate

Status: Open.

Feature

#10448 In apache/arrow-rs;

· mapleFU opened on Jul 28, 2026

Consider sink-based Arrow IPC StreamEncoder API

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

Status: Open.

Feature

#10445 In apache/arrow-rs;

· Phoenix500526 opened on Jul 27, 2026

Heap corruption / SIGSEGV consuming a pyarrow-produced ArrowArrayStream under a non-system global allocator

Status: Open.

#10439 In apache/arrow-rs;

· niko86 opened on Jul 26, 2026

arrow-ipc: FileReader panics (unimplemented!/panic!) on malformed-but-parseable schema instead of returning Err

Status: Open.

#10437 In apache/arrow-rs;

· negexx opened on Jul 26, 2026

Can we add crate tags for issues/PR's

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

Status: Open.

Feature

#10435 In apache/arrow-rs;

· Rich-T-kid opened on Jul 25, 2026

soundness: FFI structs have public fields, making Drop unsound in safe code

bug

Status: Open.

Bug

#10429 In apache/arrow-rs;

· bit2swaz opened on Jul 24, 2026

arrow-row: expose decoded_type API so downstreams can compute row-format round-trip type expectations

Status: Open.

#10427 In apache/arrow-rs;

· zhuqi-lucas opened on Jul 24, 2026

Optimize intersect_masks / union_masks for unequal lengths with in-place bitwise ops

Status: Open.

#10425 In apache/arrow-rs;

· haohuaijin opened on Jul 24, 2026

Avoid eagerly expanding mask-backed RowSelection to RLE in mixed intersection / union

Status: Open.

#10423 In apache/arrow-rs;

· haohuaijin opened on Jul 24, 2026

Reuse MaskSelection's cached selectors when converting a mask-backed RowSelection to selectors

Status: Open.

#10422 In apache/arrow-rs;

· haohuaijin opened on Jul 24, 2026

Add test for mis-aligned buffers in arrow flight

Status: Open.

#10418 In apache/arrow-rs;

· Rich-T-kid opened on Jul 23, 2026

Parquet Variant rejects canonical Arrow UInt8/UInt16/UInt32 typed values

bug

Status: Open.

Bug

#10416 In apache/arrow-rs;

· HuaHuaY opened on Jul 23, 2026