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branch-25.10-merge-branch-25.08

3 - Ready for ReviewReady for review by teamReady for review by team

bugSomething isn't workingSomething isn't working

CMakeCMake build issueCMake build issue

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

JavaAffects Java cuDF API.Affects Java cuDF API.

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

non-breakingNon-breaking changeNon-breaking change

PythonAffects Python cuDF API.Affects Python cuDF API.

Status: Open (in progress).

rapidsai/cudfnumber 19429

#19429 In rapidsai/cudf;

· davidwendt opened on Jul 18, 2025

[BUG] cudf.pandas ignores <code>dtype_backend="pyarrow"</code> in <code>convert_dtypes</code>

bugSomething isn't workingSomething isn't working

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

NarwhalsIssue discovered by Narwhals integration testsIssue discovered by Narwhals integration tests

PythonAffects Python cuDF API.Affects Python cuDF API.

Status: Open.

#19422 In rapidsai/cudf;

· Matt711 opened on Jul 17, 2025

[BUG] cudf.pandas groupby-agg does not match pandas when column names are boolean literals

bugSomething isn't workingSomething isn't working

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

NarwhalsIssue discovered by Narwhals integration testsIssue discovered by Narwhals integration tests

PythonAffects Python cuDF API.Affects Python cuDF API.

Status: Open.

#19421 In rapidsai/cudf;

· Matt711 opened on Jul 17, 2025

[BUG] Adding a <code>DateOffset(day=...)</code> to a datetime column doesn't match Pandas

bugSomething isn't workingSomething isn't working

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

NarwhalsIssue discovered by Narwhals integration testsIssue discovered by Narwhals integration tests

PythonAffects Python cuDF API.Affects Python cuDF API.

Status: Open.

#19418 In rapidsai/cudf;

· Matt711 opened on Jul 17, 2025

[BUG] cudf.pandas Bitwise AND/OR with nulls doesn't match pandas

bugSomething isn't workingSomething isn't working

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

NarwhalsIssue discovered by Narwhals integration testsIssue discovered by Narwhals integration tests

PythonAffects Python cuDF API.Affects Python cuDF API.

Status: Open.

#19417 In rapidsai/cudf;

· Matt711 opened on Jul 17, 2025

[BUG] Handle pynvml warnings and set smart block size in cudf-polars for systems with a shared memory pool

bugSomething isn't workingSomething isn't working

cudf.polars

Status: Open.

#19409 In rapidsai/cudf;

· btepera opened on Jul 17, 2025

[BUG] Division binop with boolean and int produces different results from polars CPU

bugSomething isn't workingSomething isn't working

Status: Open.

#19408 In rapidsai/cudf;

· Matt711 opened on Jul 17, 2025

Update String Transform Examples

bugSomething isn't workingSomething isn't working

CMakeCMake build issueCMake build issue

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

non-breakingNon-breaking changeNon-breaking change

Status: Open (in progress).

rapidsai/cudfnumber 19407

#19407 In rapidsai/cudf;

· lamarrr opened on Jul 17, 2025

[BUG] Make floor division and modulo by 0 match CPU polars

bugSomething isn't workingSomething isn't working

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

non-breakingNon-breaking changeNon-breaking change

PythonAffects Python cuDF API.Affects Python cuDF API.

Status: Open (in progress).

rapidsai/cudfnumber 19406

#19406 In rapidsai/cudf;

· Matt711 opened on Jul 17, 2025

[BUG] Floor division by 0 is not NULL in cudf-polars

bugSomething isn't workingSomething isn't working

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

Status: Open.

#19405 In rapidsai/cudf;

· Matt711 opened on Jul 17, 2025

[BUG] namespace "cub::detail" has no member "AliasTemporaries"

bugSomething isn't workingSomething isn't working

CMakeCMake build issueCMake build issue

Status: Open.

#19387 In rapidsai/cudf;

· AlexandrParkhomenko opened on Jul 16, 2025

[BUG] AST evaluation should check for bounds checking for column_reference

bugSomething isn't workingSomething isn't working

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

Status: Open.

#19367 In rapidsai/cudf;

· karthikeyann opened on Jul 14, 2025

· 

Expression evaluation