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Track parse_url Spark compatibility work

requires-triage

Status: Open.

#4156 In apache/datafusion-comet;

· andygrove opened on Apr 30, 2026

url_decode: try_url_decode (Spark 4.0) errors instead of returning NULL on malformed input

requires-triage

Status: Open.

#4155 In apache/datafusion-comet;

· andygrove opened on Apr 30, 2026

Explore implementing some Comet accelerated expressions in Scala

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4153 In apache/datafusion-comet;

· andygrove opened on Apr 30, 2026

Improve serde framework handling of StaticInvoke

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4151 In apache/datafusion-comet;

· andygrove opened on Apr 29, 2026

Support expressions already implemented in datafusion-spark crate

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4150 In apache/datafusion-comet;

· andygrove opened on Apr 29, 2026

AQE DPP SAB wrapping skipped when V2 scan is wrapped in CometSparkToColumnarExec

requires-triage

Status: Open.

#4145 In apache/datafusion-comet;

· mbutrovich opened on Apr 29, 2026

Upgrade to Spark 4.2.0-preview5

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4143 In apache/datafusion-comet;

· andygrove opened on Apr 29, 2026

Track Spark 4.2 test failures

bugSomething isn't workingSomething isn't working

requires-triage

Status: Open.

#4142 In apache/datafusion-comet;

· andygrove opened on Apr 29, 2026

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