Issues

• [BUG] map_zip_with returns null or wrong values for some keys

  ? - Needs Triagebug
  NVIDIA/cudf-spark-jni#5404 · Filter by author thirtiseven opened on Nov 10, 2026

• [BUG] Expected submodule-sync failure on incompatible CCCL/nvCOMP dependencies

  ? - Needs Triagebot_watchbug
  NVIDIA/cudf-spark-jni#5396 · Filter by author pxLi opened on Nov 5, 2026
  3

• [FEA] Rename spark_rapids_jni namespace into cudf_spark_jni

  ? - Needs Triagefeature requestgood first issue
  NVIDIA/cudf-spark-jni#5394 · Filter by author ttnghia opened on Nov 4, 2026

• [BUG] Pinned staging buffers can be reused before their async H2D uploads complete

  ? - Needs Triagebug
  NVIDIA/cudf-spark-jni#5378 · Filter by author thirtiseven opened on Nov 3, 2026

• [BUG] String to float cast returns null for inf/nan after 31 or more leading whitespace characters

  bug
  NVIDIA/cudf-spark-jni#5333 · Filter by author thirtiseven opened on Oct 22, 2026

• [BUG] String to float cast returns wrong values when there are more than 18 zeros after the decimal point

  bug
  NVIDIA/cudf-spark-jni#5332 · Filter by author thirtiseven opened on Oct 22, 2026

• [FEA] Protobuf decoder: allow validate-only (hidden) children under a visible nested struct

  feature request
  NVIDIA/cudf-spark-jni#5329 · Filter by author thirtiseven opened on Oct 22, 2026
  

• [FEA] Plumb sliced string offsets through conversion paths to avoid full copies

  ? - Needs Triagefeature requestperformance
  NVIDIA/cudf-spark-jni#5303 · Filter by author wjxiz1992 opened on Oct 16, 2026

• Run multi-batch convert_to_rows tests in CI

  test
  NVIDIA/cudf-spark-jni#5265 · Filter by author amahussein opened on Oct 8, 2026

• [BUG] testBasicBUFNCpu hits java.util.concurrent.TimeoutException in submodule sync

  bug
  NVIDIA/cudf-spark-jni#5228 · Filter by author ttnghia opened on Oct 1, 2026
  2

• [FEA] Move java compatible time zone translations to cuDF

  tech debt
  NVIDIA/cudf-spark-jni#5184 · Filter by author revans2 opened on Sep 22, 2026
  1

• [FEA] Adopt GoogleTest container matchers in native tests

  tech debttest
  NVIDIA/cudf-spark-jni#5169 · Filter by author thirtiseven opened on Sep 20, 2026

• [BUG] GPU to_json emits non-Spark-compatible finite Float/Double strings

  bug
  NVIDIA/cudf-spark-jni#5118 · Filter by author wjxiz1992 opened on Sep 14, 2026
  1

  

• [BUG] Do not use Java assertions for public API argument validation

  bug
  NVIDIA/cudf-spark-jni#5116 · Filter by author gerashegalov opened on Sep 14, 2026

• [BUG] Synchronize GpuTimeZoneDB readers with shutdown

  bug
  NVIDIA/cudf-spark-jni#5115 · Filter by author gerashegalov opened on Sep 14, 2026

• [BUG] Clean up native handles when Java wrapper construction fails

  bug
  NVIDIA/cudf-spark-jni#5114 · Filter by author gerashegalov opened on Sep 14, 2026

• [FEA] Build and merge portable Roaring64 deletion vectors on GPU

  performance
  NVIDIA/cudf-spark-jni#5082 · Filter by author res-life opened on Sep 4, 2026
  

• [FEA] Add an api convert a roaring bitmap to a long column vector.

  feature request
  NVIDIA/cudf-spark-jni#5036 · Filter by author liurenjie1024 opened on Aug 24, 2026

• [BUG] Singular protobuf message occurrences use last-one-wins instead of merge semantics

  bug
  NVIDIA/cudf-spark-jni#4983 · Filter by author thirtiseven opened on Aug 11, 2026
  

• [BUG] Nested protobuf validation misses required parents and can misattribute malformed rows

  bug
  NVIDIA/cudf-spark-jni#4982 · Filter by author thirtiseven opened on Aug 11, 2026
  

• [BUG] Match Spark CPU handling of unknown closed-enum values by message depth

  bug
  NVIDIA/cudf-spark-jni#4981 · Filter by author thirtiseven opened on Aug 11, 2026
  

• [BUG] Align protobuf wire parsing and string decoding with Spark CPU

  bug
  NVIDIA/cudf-spark-jni#4980 · Filter by author thirtiseven opened on Aug 11, 2026
  

• [BUG] get_json_object diverges from Spark on many input classes

  bug
  NVIDIA/cudf-spark-jni#4889 · Filter by author ttnghia opened on Jul 24, 2026
  

• [FEA] Add a single-pass parser for Spark day-time interval strings

  ? - Needs Triageenhancementperformancereliabilitytech debt
  NVIDIA/cudf-spark-jni#4821 · Filter by author wjxiz1992 opened on Jul 15, 2026

• Eliminate hard-coded 128 KiB chunk in HostMemoryBuffer.copyFromStream

  ? - Needs Triageperformance
  Task

  NVIDIA/cudf-spark-jni#4768 · Filter by author gerashegalov opened on Jun 30, 2026