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[BUG] pl.LazyFrame[length=5].unique().tail(4) returns 5 rows with rapidsmpf w/ <=4 max_rows_per_partition

bugSomething isn't workingSomething isn't working

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

Status: Open.

#22075 In rapidsai/cudf;

· mroeschke opened on Apr 9, 2026

[BUG] top_k incorrect with non-elementwise by expression for cudf_polars + rapidsmpf

bugSomething isn't workingSomething isn't working

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

Status: Open.

#22074 In rapidsai/cudf;

· mroeschke opened on Apr 8, 2026

[BUG] fanout_node_unbounded can send empty packed data in cudf_polars + rapidsmpf

bugSomething isn't workingSomething isn't working

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

Status: Open.

#22073 In rapidsai/cudf;

· mroeschke opened on Apr 8, 2026

[BUG] cudf_polars + rapidsmpf broadcasting in IRs assume max_rows_per_partition divisible by total length(?)

bugSomething isn't workingSomething isn't working

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

Status: Open.

#22072 In rapidsai/cudf;

· mroeschke opened on Apr 8, 2026

[BUG] Repartion IR may passed into a sort_actor in cudf_polars + rapidsmpf

bugSomething isn't workingSomething isn't working

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

Status: Open.

#22050 In rapidsai/cudf;

· mroeschke opened on Apr 8, 2026

[BUG] cudf_polars + rapidsmpf anitjoin doesn't respect original join key sorting

bugSomething isn't workingSomething isn't working

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

Status: Open.

#22049 In rapidsai/cudf;

· mroeschke opened on Apr 7, 2026

[FEA] Support .over() in streaming cuDF-Polars

feature requestNew feature or requestNew feature or request

Status: Open.

#22047 In rapidsai/cudf;

· rjzamora opened on Apr 7, 2026

[FEA] Support LazyFrame.rolling() for streaming cuDF-Polars

feature requestNew feature or requestNew feature or request

Status: Open.

#22033 In rapidsai/cudf;

· rjzamora opened on Apr 7, 2026

[Story][FEA] Streaming window support in cuDF-Polars

feature requestNew feature or requestNew feature or request

Status: Open.

#22032 In rapidsai/cudf;

· rjzamora opened on Apr 7, 2026

[FEA] Remove nan_as_null in pandas3 feature branch

feature requestNew feature or requestNew feature or request

Status: Open.

#22018 In rapidsai/cudf;

· galipremsagar opened on Apr 6, 2026

ORC reader returns incorrect timestamp for epoch boundary values

cuIOcuIO issuecuIO issue

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

Status: Open.

Bug

#21993 In rapidsai/cudf;

· res-life opened on Apr 2, 2026

[BUG][cudf_polars] distributed cluster creates a new Context for every query run

bugSomething isn't workingSomething isn't working

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

Status: Open.

#21989 In rapidsai/cudf;

· nirandaperera opened on Apr 2, 2026