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Proposal: Port most microbenchmarks to PySpark

enhancementNew feature or requestNew feature or request

Status: Open.

#3440 In apache/datafusion-comet;

· andygrove opened on Feb 7, 2026

Comet 0.14.0 Release (March 2026)

enhancementNew feature or requestNew feature or request

Status: Open.

#3436 In apache/datafusion-comet;

· andygrove opened on Feb 6, 2026

·  

0.14.0

Skip defensive copy when unpacking dictionary arrays in UnpackOrClone mode

performance

Status: Open.

#3435 In apache/datafusion-comet;

· andygrove opened on Feb 6, 2026

[native_datafusion] Add support for reading Parquet field ids

enhancementNew feature or requestNew feature or request

Status: Open.

#3434 In apache/datafusion-comet;

· andygrove opened on Feb 6, 2026

[native_datafusion] Add support for reading row index metadata columns

enhancementNew feature or requestNew feature or request

Status: Open.

#3432 In apache/datafusion-comet;

· andygrove opened on Feb 6, 2026

Can we avoid JVM round-trips in some cases for <code>native_iceberg_compat</code> scans?

enhancementNew feature or requestNew feature or request

performance

Status: Open.

#3431 In apache/datafusion-comet;

· andygrove opened on Feb 6, 2026

[COMET NATIVE WRITER] SPARK-48817: test multi inserts

bugSomething isn't workingSomething isn't working

Status: Open.

#3430 In apache/datafusion-comet;

· coderfender opened on Feb 6, 2026

[COMET NATIVE WRITER] Fix test spark 4x : ctas with union

bugSomething isn't workingSomething isn't working

Status: Open.

#3429 In apache/datafusion-comet;

· coderfender opened on Feb 6, 2026

[COMET NATIVE WRITER] write path implements onTaskCommit API correctly

bugSomething isn't workingSomething isn't working

Status: Open.

#3428 In apache/datafusion-comet;

· coderfender opened on Feb 6, 2026

[COMET NATIVE WRITER] Write Spark version into Parquet metadata

bugSomething isn't workingSomething isn't working

Status: Open.

#3427 In apache/datafusion-comet;

· coderfender opened on Feb 6, 2026

[COMET NATIVE WRITER] INSERT INTO TABLE - complex type but different names

bugSomething isn't workingSomething isn't working

Status: Open.

#3426 In apache/datafusion-comet;

· coderfender opened on Feb 6, 2026

[COMET NATIVE WRITER] parquet timestamp conversion (timestamp96)

bugSomething isn't workingSomething isn't working

Status: Open.

#3425 In apache/datafusion-comet;

· coderfender opened on Feb 6, 2026