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Support higher-order array functions via JVM UDF bridge

requires-triage

Status: Open.

#4224 In apache/datafusion-comet;

· andygrove opened on May 5, 2026

Spark SQL maintenance test fails intermittently

bugSomething isn't workingSomething isn't working

requires-triage

Status: Open.

#4221 In apache/datafusion-comet;

· andygrove opened on May 5, 2026

native_datafusion more permissive than Spark 3.x when reading Parquet TimestampNTZ columns

bugSomething isn't workingSomething isn't working

requires-triage

spark 3.x

Status: Open.

#4219 In apache/datafusion-comet;

· andygrove opened on May 5, 2026

Support AWS ProfileCredentialsProvider in native S3 object store

bugSomething isn't workingSomething isn't working

requires-triage

Status: Open.

#4212 In apache/datafusion-comet;

· karuppayya opened on May 4, 2026

Number of rows in each column should be the same, but got [ArrayBuffer(8192, 0)]

bugSomething isn't workingSomething isn't working

requires-triage

Status: Open.

#4211 In apache/datafusion-comet;

· andygrove opened on May 4, 2026

Create spark-latest profile

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4205 In apache/datafusion-comet;

· andygrove opened on May 4, 2026

Bug triage results: 2026-05-04

Status: Open.

#4203 In apache/datafusion-comet;

· andygrove opened on May 4, 2026

macOS aarch64 flake: SIGBUS in _pthread_tsd_cleanup after ParquetReadFromFakeHadoopFsSuite

area:ciCI/CD, GitHub Actions, build toolingCI/CD, GitHub Actions, build tooling

area:scanParquet scan / data readingParquet scan / data reading

bugSomething isn't workingSomething isn't working

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

Status: Open.

#4200 In apache/datafusion-comet;

· andygrove opened on May 3, 2026

Spark 4.1 NullType parquet: parquet-rs rejects BOOLEAN + Unknown logical type

area:scanParquet scan / data readingParquet scan / data reading

bugSomething isn't workingSomething isn't working

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

spark 4.1

Status: Open.

#4199 In apache/datafusion-comet;

· andygrove opened on May 3, 2026

Spark 4.1: native parquet reader returns wrong rows for user-defined struct schema

area:scanParquet scan / data readingParquet scan / data reading

bugSomething isn't workingSomething isn't working

correctness

native_datafusionSpecific to native_datafusion scan typeSpecific to native_datafusion scan type

native_iceberg_compatSpecific to native_iceberg_compat scan typeSpecific to native_iceberg_compat scan type

priority:criticalData corruption, silent wrong results, security issuesData corruption, silent wrong results, security issues

spark 4.1

Status: Open.

#4192 In apache/datafusion-comet;

· andygrove opened on May 3, 2026

Native scan path doesn't honour Parquet field-ID matching when spark.sql.parquet.fieldId.read.enabled=true

area:scanParquet scan / data readingParquet scan / data reading

native_datafusionSpecific to native_datafusion scan typeSpecific to native_datafusion scan type

priority:criticalData corruption, silent wrong results, security issuesData corruption, silent wrong results, security issues

Status: Open.

#4189 In apache/datafusion-comet;

· schenksj opened on May 3, 2026

Set up process for auditing all Spark commits to assess impact on Comet

enhancementNew feature or requestNew feature or request

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

Status: Open.

#4188 In apache/datafusion-comet;

· andygrove opened on May 3, 2026

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1.0.0