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CachedBatchSerializerNoUnwrapSuite: Comet replaces WholeStageCodegenExec

requires-triage

spark 4

Status: Open.

#4137 In apache/datafusion-comet;

· andygrove opened on Apr 28, 2026

Comet native scan returns wrong schema for missing struct fields in Parquet

requires-triage

spark 4

Status: Open.

#4136 In apache/datafusion-comet;

· andygrove opened on Apr 28, 2026

FIRST/LAST returns wrong result with PartialMerge

bugSomething isn't workingSomething isn't working

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

Status: Open.

#4131 In apache/datafusion-comet;

· comphead opened on Apr 28, 2026

Apply spark.comet.exec.strictFloatingPoint to RangePartitioning

requires-triage

Status: Open.

#4130 In apache/datafusion-comet;

· mbutrovich opened on Apr 28, 2026

Iceberg reflection failure

bugSomething isn't workingSomething isn't working

requires-triage

Status: Open.

#4125 In apache/datafusion-comet;

· dor-bernstein opened on Apr 28, 2026

SPARK-53968 SQLViewSuite: decimal arithmetic returns ~10x smaller values through view CTE on Spark 4.1.1

requires-triage

Status: Open.

#4124 In apache/datafusion-comet;

· andygrove opened on Apr 28, 2026

Comet native sort lacks row-format support for Struct(Map(...)) sort keys

requires-triage

Status: Open.

#4123 In apache/datafusion-comet;

· andygrove opened on Apr 28, 2026

EXCEPT ALL / INTERSECT ALL with GROUP BY return incorrect results on Spark 4.1.1

requires-triage

Status: Open.

#4122 In apache/datafusion-comet;

· andygrove opened on Apr 28, 2026

Comet native scan rejects invalid UTF-8 byte sequences in STRING column (hll.sql on Spark 4.1)

requires-triage

Status: Open.

#4121 In apache/datafusion-comet;

· andygrove opened on Apr 28, 2026

Comet should fallback to Spark for streaming queries

bugSomething isn't workingSomething isn't working

priority:lowMinor issues, test failures, tooling, cosmeticMinor issues, test failures, tooling, cosmetic

Status: Open.

#4115 In apache/datafusion-comet;

· comphead opened on Apr 27, 2026

Add support for Spark 4.2.0-preview4

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4113 In apache/datafusion-comet;

· andygrove opened on Apr 27, 2026

Bug triage results: 2026-04-27

requires-triage

Status: Open.

#4110 In apache/datafusion-comet;

· andygrove opened on Apr 27, 2026