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[BUG] Parquet stats filter mis-resolves columns under allow_mismatched_pq_schemas

bugSomething isn't workingSomething isn't working

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

Status: Open.

Bug

#22802 In rapidsai/cudf;

· qbacpey opened on Jun 8, 2026

[BUG][Polars 1.41] Polars NodeTraverser does not support IRFunctionExpr::Fused

bugSomething isn't workingSomething isn't working

cudf-polarsIssues specific to cudf-polarsIssues specific to cudf-polars

Status: Open.

Bug

#22797 In rapidsai/cudf;

· rjzamora opened on Jun 5, 2026

Consider removing IntervalDtype and CategoricalDtype and using the upstream types

cudf.pandasIssues specific to cudf.pandasIssues specific to cudf.pandas

improvementImprovement / enhancement to an existing functionImprovement / enhancement to an existing function

PythonAffects Python cuDF API.Affects Python cuDF API.

Status: Open.

#22788 In rapidsai/cudf;

· vyasr opened on Jun 4, 2026

Deeply nested column creation can be slow with factory functions

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

SparkFunctionality that helps Spark RAPIDSFunctionality that helps Spark RAPIDS

Status: Open.

#22776 In rapidsai/cudf;

· jihoonson opened on Jun 4, 2026

Deeply nested column handling in cudf::concatenate

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

SparkFunctionality that helps Spark RAPIDSFunctionality that helps Spark RAPIDS

Status: Open.

#22774 In rapidsai/cudf;

· jihoonson opened on Jun 3, 2026

Follow-ups for rapidsmpf to cudf migration

Status: Open.

#22771 In rapidsai/cudf;

· vyasr opened on Jun 3, 2026

[FEA] Rename PascalCase types introduced by the rapidsmpf migration to snake_case

feature requestNew feature or requestNew feature or request

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

Status: Open.

#22769 In rapidsai/cudf;

· PointKernel opened on Jun 3, 2026

[FEA] Treat \r\n as a single line terminator for ^/$ under EXT_NEWLINE

Status: Open.

#22762 In rapidsai/cudf;

· wjxiz1992 opened on Jun 3, 2026

[PERF]: Avoid redundant HTTP HEAD requests in cudf-polars

Status: Open.

#22753 In rapidsai/cudf;

· TomAugspurger opened on Jun 2, 2026

[PERF]: Use HybridScan in cudf-polars parquet reader

Status: Open.

#22752 In rapidsai/cudf;

· TomAugspurger opened on Jun 2, 2026

[FEA] Java: Table.mixedInnerJoinGatherMaps variant accepting a pre-built HashJoin

feature requestNew feature or requestNew feature or request

Status: Open.

#22748 In rapidsai/cudf;

· findepi opened on Jun 2, 2026

[FEA] Basic Iceberg scan support in cudf-polars

cudf-polarsIssues specific to cudf-polarsIssues specific to cudf-polars

feature requestNew feature or requestNew feature or request

Status: Open.

#22743 In rapidsai/cudf;

· Matt711 opened on Jun 2, 2026