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Docs: three internal links on datafusion.apache.org are 404

Status: Open.

#24871 In apache/datafusion;

· rawsun007 opened on Sep 2, 2026

Test our microbenchmarks as part of CI

development-processRelated to development process of DataFusionRelated to development process of DataFusion

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#24868 In apache/datafusion;

· Jefffrey opened on Sep 2, 2026

CASE expressions drop field metadata, silently stripping Arrow extension types and breaking metadata-aware UDFs

Status: Open.

#24860 In apache/datafusion;

· james-willis opened on Sep 1, 2026

Coercing two Decimal256 types panics with "attempt to add with overflow"

Status: Open.

#24850 In apache/datafusion;

· dylanpulver opened on Sep 1, 2026

Add integration regression test for terminal hash aggregate drain

Status: Open.

#24849 In apache/datafusion;

· hhhizzz opened on Sep 1, 2026

Bug: unexpected behavior with special characters in input

Status: Open.

#24847 In apache/datafusion;

· ismael-saavedra opened on Sep 1, 2026

ComposedPhysicalExtensionCodec::encode_protobuf claims by-name encodes and breaks UDF round-trips

Status: Open.

#24830 In apache/datafusion;

· timsaucer opened on Aug 31, 2026

ComposedPhysicalExtensionCodec implements only 6 of the 12 PhysicalExtensionCodec methods

Status: Open.

#24829 In apache/datafusion;

· timsaucer opened on Aug 31, 2026

Dictionary-encoded group keys pay 27-37% aggregation tax vs Utf8View in TPC-H (Q2/Q19/Q20), DF 54 & 55 both

Status: Open.

#24822 In apache/datafusion;

· lxc512157407 opened on Aug 31, 2026

NestedLoopJoin buffers the build side into a single concat_batches allocation: 2x transient peak, invisible to the memory pool

Status: Open.

#24819 In apache/datafusion;

· ranflarion opened on Aug 31, 2026

Aggregate dynamic filter can prune rows required by unsupported expressions

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#24816 In apache/datafusion;

· lyne7-sc opened on Aug 31, 2026

Remove enforce_batch_size_in_joins in symmetric hash join, and deprecate the config

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#24812 In apache/datafusion;

· 2010YOUY01 opened on Aug 31, 2026