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[FEA] Examine performance impact of nullmask computation in JIT transforms

feature requestNew feature or requestNew feature or request

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

PerformancePerformance related issuePerformance related issue

Status: Open.

#20680 In rapidsai/cudf;

· lamarrr opened on Nov 20, 2025

[BUG] Nulls render incorrectly in pandas compatibility mode

bugSomething isn't workingSomething isn't working

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

PythonAffects Python cuDF API.Affects Python cuDF API.

Status: Open.

#20673 In rapidsai/cudf;

· vyasr opened on Nov 19, 2025

[BUG] Various Groupby JIT tests fail when run alone

bugSomething isn't workingSomething isn't working

Status: Open.

#20663 In rapidsai/cudf;

· brandon-b-miller opened on Nov 19, 2025

[FEA] Improve logging and reporting of expected pandas incompatibilites in cudf.pandas

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

feature requestNew feature or requestNew feature or request

PythonAffects Python cuDF API.Affects Python cuDF API.

Status: Open.

#20640 In rapidsai/cudf;

· vyasr opened on Nov 17, 2025

ModuleNotFoundError: No module named 'dask.dataframe.dask_expr'

bugSomething isn't workingSomething isn't working

Status: Open.

#20629 In rapidsai/cudf;

· asmlgkj opened on Nov 16, 2025

[BUG] Investigate <code>nan</code> cases in cupy-based reductions

bugSomething isn't workingSomething isn't working

Status: Open.

#20628 In rapidsai/cudf;

· galipremsagar opened on Nov 16, 2025

[FEA] Implement validation of memory resource passing

feature requestNew feature or requestNew feature or request

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

pylibcudfIssues specific to the pylibcudf packageIssues specific to the pylibcudf package

PythonAffects Python cuDF API.Affects Python cuDF API.

Status: Open.

#20626 In rapidsai/cudf;

· vyasr opened on Nov 15, 2025

[BUG]: RuntimeError in <code>pylibcudf.io.parquet.ChunkedParquetReader.read_chunk</code> when changing device in cudf-polars

bugSomething isn't workingSomething isn't working

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

Status: Open.

#20608 In rapidsai/cudf;

· TomAugspurger opened on Nov 13, 2025

[BUG] Bitwise invert on Arrow-backed dtype does not preserve the dtype

bugSomething isn't workingSomething isn't working

Status: Open.

#20601 In rapidsai/cudf;

· Matt711 opened on Nov 13, 2025

[FEA] UDF aggregation on GroupBy

feature requestNew feature or requestNew feature or request

Status: Open.

#20592 In rapidsai/cudf;

· din14970 opened on Nov 12, 2025

[Story] Decimal support in cudf-polars/libcudf for PDS-DS

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

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

Status: Open.

#20587 In rapidsai/cudf;

· Matt711 opened on Nov 12, 2025

· 

Benchmarking

[BUG] Use size_t as extent type in joins instead of int32_t

bugSomething isn't workingSomething isn't working

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

Status: Open.

#20584 In rapidsai/cudf;

· matal-nvidia opened on Nov 12, 2025