Issues

• [BUG] cudf-polars: CSV scan turns a quoted empty string into null

  bugcudf-polars
  NVIDIA/cudf#24989 · Filter by author Matt711 opened on Nov 2, 2026

• [BUG] cudf-polars: max_horizontal returns NaN where Polars skips it

  bugcudf-polars
  NVIDIA/cudf#24988 · Filter by author Matt711 opened on Nov 2, 2026

• [BUG] INT64 POW is off by one for 100000001 ** 2

  bugcudf-polars
  NVIDIA/cudf#24987 · Filter by author Matt711 opened on Nov 2, 2026

• [BUG] Float64 PYMOD returns zero for a large positive divisor

  bugcudf-polars
  NVIDIA/cudf#24986 · Filter by author Matt711 opened on Nov 2, 2026

• [BUG] cudf-polars: dt.strftime("%A") returns an empty string

  bugcudf-polars
  NVIDIA/cudf#24985 · Filter by author Matt711 opened on Nov 2, 2026

• [BUG] cudf-polars: strptime with %#z raises ValueError instead of falling back

  bugcudf-polarsgood first issue
  NVIDIA/cudf#24984 · Filter by author Matt711 opened on Nov 2, 2026

• [FEA] cudf-polars: accept strptime(cache=True)

  cudf-polarsfeature requestgood first issue
  NVIDIA/cudf#24983 · Filter by author Matt711 opened on Nov 2, 2026
  2

  

• [FEA] cudf-polars: str.slice rejects a column or expression as the offset

  cudf-polarsfeature requestgood first issue
  NVIDIA/cudf#24982 · Filter by author Matt711 opened on Nov 2, 2026

• [FEA] cudf-polars: support min_horizontal and max_horizontal on String

  cudf-polarsfeature requestgood first issue
  NVIDIA/cudf#24981 · Filter by author Matt711 opened on Nov 2, 2026

• [FEA] cudf-polars: support pl.cov and pl.corr in a group_by aggregation

  cudf-polarsfeature request
  NVIDIA/cudf#24980 · Filter by author Matt711 opened on Nov 2, 2026

• [FEA] cudf-polars: support first() after an element-wise expression in a group_by aggregation

  cudf-polarsfeature request
  NVIDIA/cudf#24979 · Filter by author Matt711 opened on Nov 2, 2026

• [FEA] cudf-polars: support unique() inside a group_by aggregation

  cudf-polarsfeature request
  NVIDIA/cudf#24978 · Filter by author Matt711 opened on Nov 2, 2026

• [FEA] cudf-polars: support dt.offset_by

  cudf-polarsfeature request
  NVIDIA/cudf#24977 · Filter by author Matt711 opened on Nov 2, 2026

• [BUG] cudf-polars: any node with a Null-dtype column is rejected, e.g. pl.lit(None)

  bugcudf-polars
  NVIDIA/cudf#24976 · Filter by author Matt711 opened on Nov 2, 2026

• [FEA] Report the failing row and operation for JIT evaluation errors

  feature requestSpark
  NVIDIA/cudf#24944 · Filter by author thirtiseven opened on Oct 30, 2026

• [FEA] Add an option to disable FMA contraction in JIT compilation

  feature requestSpark
  NVIDIA/cudf#24942 · Filter by author thirtiseven opened on Oct 30, 2026

• [BUG] JSON reader's ingest_raw_input skips joining forked streams when a source read throws

  buglibcudf
  NVIDIA/cudf#24939 · Filter by author vuule opened on Oct 29, 2026

• [FEA] Follow-up groupby cleanups after removing the sort-based backend

  improvementlibcudf
  NVIDIA/cudf#24938 · Filter by author PointKernel opened on Oct 29, 2026

• [FEA] cudf-polars: keep joins whose predicate compares Decimals cast from floats on the GPU (TPC-DS q4, q11)

  cudf-polarsfeature request
  NVIDIA/cudf#24937 · Filter by author Matt711 opened on Oct 29, 2026

• [FEA] cudf-polars: support over(..., order_by=[a, b]) (Polars row_encode) so it stays on the GPU

  cudf-polarsfeature request
  NVIDIA/cudf#24936 · Filter by author Matt711 opened on Oct 29, 2026
  

• [FEA] Rename smaller/larger to right/left in sort_merge_join

  improvementlibcudf
  NVIDIA/cudf#24930 · Filter by author PointKernel opened on Oct 29, 2026
  1

• [BUG] Leaked (small) host objects from std::move(*ptr.release()) in libcudf

  buglibcudf
  NVIDIA/cudf#24926 · Filter by author mroeschke opened on Oct 29, 2026
  1

  

• [FEA] Serve the Parquet page index from the speculative footer read

  cuIOfeature requestlibcudfPerformanceVelox
  NVIDIA/cudf#24919 · Filter by author galipremsagar opened on Oct 29, 2026

• [BUG] groupby COVARIANCE and CORRELATION return wrong results for sliced struct values

  buglibcudf
  NVIDIA/cudf#24916 · Filter by author joosthooz opened on Oct 29, 2026

• [FEA] Typed fast path for sort_merge_join with a single integer key

  feature requestlibcudf
  NVIDIA/cudf#24914 · Filter by author joosthooz opened on Oct 29, 2026