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Track and remove native Variant compatibility workarounds after upstream fixes

requires-triage

Status: Open.

#5477 In apache/datafusion-comet;

· peterxcli opened on Aug 26, 2026

Remove Variant UTF-16 output rewriting

requires-triage

Status: Open.

#5474 In apache/datafusion-comet;

· peterxcli opened on Aug 26, 2026

Scalar NaN and signed-zero sort keys split WindowGroupLimit rank peers

requires-triage

Status: Open.

#5468 In apache/datafusion-comet;

· sunchao opened on Aug 26, 2026

Make fair_unified account for spillable consumers

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#5465 In apache/datafusion-comet;

· peterxcli opened on Aug 25, 2026

Track exact SpillWriter page bytes for O(1) memory usage sampling

requires-triage

Status: Open.

#5462 In apache/datafusion-comet;

· peterxcli opened on Aug 25, 2026

Date-to-timestamp casts can overflow or panic for wide dates

requires-triage

Status: Open.

#5456 In apache/datafusion-comet;

· sunchao opened on Aug 24, 2026

Bug triage results: 2026-08-24

requires-triage

Status: Open.

#5454 In apache/datafusion-comet;

· kazuyukitanimura opened on Aug 24, 2026

Support MapType(IntegerType,ArrayType(IntegerType,false),true) for CreateArray

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#5448 In apache/datafusion-comet;

· comphead opened on Aug 24, 2026

Report native operator spill metrics in Spark task metrics for non-shuffle stages

requires-triage

Status: Open.

#5447 In apache/datafusion-comet;

· peterxcli opened on Aug 24, 2026

perf: verify shuffle IPC context-reuse allocation savings with Arrow 59.1+

requires-triage

Status: Open.

#5446 In apache/datafusion-comet;

· peterxcli opened on Aug 24, 2026

[EPIC] Native Variant Support

requires-triage

Status: Open.

#5438 In apache/datafusion-comet;

· peterxcli opened on Aug 23, 2026

Support top-level VariantType in Comet MapInArrow and MapInPandas transport

requires-triage

Status: Open.

#5437 In apache/datafusion-comet;

· peterxcli opened on Aug 23, 2026