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Reduce Github Action Usage

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4406 In apache/datafusion-comet;

· andygrove opened on May 22, 2026

Implement TimeType support: Infrastructure - shuffle

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4396 In apache/datafusion-comet;

· YutaLin opened on May 22, 2026

Recover q83 broadcast/subquery reuse lost by CometBroadcastExchangeExec.doCanonicalize fix in #4374

requires-triage

Status: Open.

#4395 In apache/datafusion-comet;

· andygrove opened on May 21, 2026

Implement tiered CI approach

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4389 In apache/datafusion-comet;

· andygrove opened on May 21, 2026

Add randomised fuzz harness for pyarrow UDF vector-copy path

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4384 In apache/datafusion-comet;

· andygrove opened on May 21, 2026

Drop the per-batch Comet→Spark buffer copy in CometColumnarPythonInput

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4383 In apache/datafusion-comet;

· andygrove opened on May 21, 2026

Iceberg 1.11 support

area:Iceberg

priority:highCrashes, panics, segfaults, major functional breakageCrashes, panics, segfaults, major functional breakage

requires-triage

Status: Open.

Feature

#4381 In apache/datafusion-comet;

· mbutrovich opened on May 21, 2026

·  

1.0.0

Upgrade Spark 4.1.1 to 4.1.2

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4380 In apache/datafusion-comet;

· andygrove opened on May 21, 2026

·  

0.17.0

Implement TimeType support: Infrastructure - sort, min/max

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4379 In apache/datafusion-comet;

· YutaLin opened on May 21, 2026

Investigate Spark SQL test suites that load Comet without registering CometShuffleManager

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4377 In apache/datafusion-comet;

· andygrove opened on May 21, 2026

CometIcebergNativeScanExec: propagate outputOrdering from originalPlan instead of hardcoding Nil

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4367 In apache/datafusion-comet;

· Shekharrajak opened on May 19, 2026

Investigate TPCDS Q50 regression

enhancementNew feature or requestNew feature or request

priority:mediumFunctional bugs, performance regressions, broken featuresFunctional bugs, performance regressions, broken features

Status: Open.

#4361 In apache/datafusion-comet;

· comphead opened on May 18, 2026