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CometNativeException: "arrays of different length" when using to_date on Iceberg Timestamp column

bugSomething isn't workingSomething isn't working

Status: Open.

#3255 In apache/datafusion-comet;

· boudica-dev-eng opened on Jan 23, 2026

Evaluate replacing Protocol Buffers with FlatBuffers for plan serialization

performance

Status: Open.

#3245 In apache/datafusion-comet;

· andygrove opened on Jan 22, 2026

to_csv: Handle edge cases found during fuzz testing

Status: Open.

#3232 In apache/datafusion-comet;

· andygrove opened on Jan 21, 2026

perf: extend field-major processing to nested struct fields

Status: Open.

#3225 In apache/datafusion-comet;

· andygrove opened on Jan 20, 2026

Comet should gracefully handle OnHeapColumnVector instead of failing

Status: Open.

#3215 In apache/datafusion-comet;

· andygrove opened on Jan 18, 2026

·  

0.13.0

Run Spark tests with Comet native runner

enhancementNew feature or requestNew feature or request

Status: Open.

#3209 In apache/datafusion-comet;

· comphead opened on Jan 16, 2026

Add support for from_json (JsonToStructs) expression

Status: Open.

#3203 In apache/datafusion-comet;

· andygrove opened on Jan 16, 2026

Add compatible timezone support for date_format expression

Status: Open.

#3202 In apache/datafusion-comet;

· andygrove opened on Jan 16, 2026

Excessive spilling in JVM shuffle

bugSomething isn't workingSomething isn't working

Status: Open.

#3198 In apache/datafusion-comet;

· andygrove opened on Jan 15, 2026

·  

0.13.0

Add support for bucketed Parquet writes

enhancementNew feature or requestNew feature or request

Status: Open.

#3194 In apache/datafusion-comet;

· andygrove opened on Jan 15, 2026

Add support for partitioned Parquet writes

enhancementNew feature or requestNew feature or request

Status: Open.

#3193 In apache/datafusion-comet;

· andygrove opened on Jan 15, 2026

[Feature] Support Spark expression: percentile_cont

enhancementNew feature or requestNew feature or request

Status: Open.

#3190 In apache/datafusion-comet;

· andygrove opened on Jan 15, 2026