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RFC: Cast sub system Modularization

enhancementNew feature or requestNew feature or request

Status: Open.

#3459 In apache/datafusion-comet;

· coderfender opened on Feb 9, 2026

Enable Parquet filter pushdown by default

enhancementNew feature or requestNew feature or request

performance

Status: Open.

#3457 In apache/datafusion-comet;

· andygrove opened on Feb 9, 2026

perf: Optimize CometIcebergNativeScan serialization

enhancementNew feature or requestNew feature or request

Status: Open.

#3456 In apache/datafusion-comet;

· mbutrovich opened on Feb 9, 2026

Consistent debug logging levels and messages

enhancementNew feature or requestNew feature or request

Status: Open.

#3445 In apache/datafusion-comet;

· mbutrovich opened on Feb 8, 2026

·  

1.0.0

Add DPP support to native_datafusion/CometNativeScan

enhancementNew feature or requestNew feature or request

Status: Open.

#3442 In apache/datafusion-comet;

· mbutrovich opened on Feb 8, 2026

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

spark 4

spark sql testsSpark SQL test failuresSpark SQL test failures

Status: Open.

#3430 In apache/datafusion-comet;

· coderfender opened on Feb 6, 2026