Issues

• Anaconda installs hdf5==2.1.0 into arkouda-dev environment, but Python tests require hdf5==1.14.6

  bug
  Bears-R-Us/arkouda#5494 · Filter by author eric-vo opened on Jun 2, 2026
  1

• Implement __array_ufunc__ for Arkouda-backed pandas ExtensionArray

  enhancement
  Bears-R-Us/arkouda#5437 · Filter by author ajpotts opened on Feb 24, 2026 · Implement Pandas ExtensionArray API

• Implement _reduce for ArkoudaStringArray and ArkoudaCategoricalArray (pandas-aligned)

  enhancement
  Bears-R-Us/arkouda#5433 · Filter by author ajpotts opened on Feb 23, 2026 · Implement Pandas ExtensionArray API

• Implement equals for ArkoudaStringArray and ArkoudaCategoricalArray (pandas-aligned)

  enhancement
  Bears-R-Us/arkouda#5432 · Filter by author ajpotts opened on Feb 23, 2026 · Implement Pandas ExtensionArray API
  1

• Implement nbytes for ArkoudaStringArray and ArkoudaCategoricalArray (pandas-aligned)

  enhancement
  Bears-R-Us/arkouda#5431 · Filter by author ajpotts opened on Feb 23, 2026 · Implement Pandas ExtensionArray API

• Implement ArkoudaCategoricalArray.__setitem__ (pandas-aligned)

  enhancement
  Bears-R-Us/arkouda#5430 · Filter by author ajpotts opened on Feb 23, 2026 · Implement Pandas ExtensionArray API
  1

• Cannot load CIC-IDS2017 CSV data set: DatasetNotFoundError

  bugFile IO
  Bears-R-Us/arkouda#5429 · Filter by author ajpotts opened on Feb 23, 2026 · IO Stabilization (Parquet & CSV)

• Refactor OperatorMsg.chpl and BinOp.chpl

  Bears-R-Us/arkouda#5409 · Filter by author 1RyanK opened on Feb 12, 2026 · Numpy Alignment

• Simplify and extend logic in opeq functions

  Bears-R-Us/arkouda#5408 · Filter by author 1RyanK opened on Feb 12, 2026 · Numpy Alignment

• Investigate further performance optimizations in Repartition

  Bears-R-Us/arkouda#5401 · Filter by author 1RyanK opened on Feb 11, 2026

• move timeclass to pandas.timeclass

  Bears-R-Us/arkouda#5365 · Filter by author ajpotts opened on Jan 28, 2026

• move testing module to pandas.testing

  Bears-R-Us/arkouda#5364 · Filter by author ajpotts opened on Jan 28, 2026

• Clean up indents in OperatorMsg.chpl and BinOp.chpl and remove unused data types

  enhancement
  Bears-R-Us/arkouda#5349 · Filter by author 1RyanK opened on Jan 27, 2026

• Add sort and ascending arguments to value_counts

  Bears-R-Us/arkouda#5340 · Filter by author ajpotts opened on Jan 26, 2026 · Implement Pandas ExtensionArray API

• Multidim bigIntCreationMultiLimbMsg

  enhancement
  Bears-R-Us/arkouda#5339 · Filter by author 1RyanK opened on Jan 26, 2026

• Implement full skipna=True semantics for float reductions in Arkouda-backed ExtensionArray

  Bears-R-Us/arkouda#5319 · Filter by author ajpotts opened on Jan 16, 2026 · Implement Pandas ExtensionArray API

• Add pd.NA Handling to ArkoudaArray._arith_method

  Bears-R-Us/arkouda#5311 · Filter by author ajpotts opened on Jan 15, 2026 · Implement Pandas ExtensionArray API

• Add support for astype("ak") on Arkouda pandas ExtensionArrays

  Bears-R-Us/arkouda#5306 · Filter by author ajpotts opened on Jan 12, 2026 · Implement Pandas ExtensionArray API
  1

• Discrepancy: randint(dtype=bool) error message mismatch vs NumPy

  bug
  Bears-R-Us/arkouda#5295 · Filter by author ajpotts opened on Jan 10, 2026 · Numpy Alignment -- Align Existing Functions

• Strings.isnumeric returns True for empty string (differs from Python / NumPy)

  bug
  Bears-R-Us/arkouda#5290 · Filter by author ajpotts opened on Jan 9, 2026 · Numpy Alignment -- Align Existing Functions
  1

• Strings.istitle semantics do not match Python / NumPy

  bug
  Bears-R-Us/arkouda#5289 · Filter by author ajpotts opened on Jan 9, 2026 · Numpy Alignment -- Align Existing Functions
  1

• Unicode case-folding mismatch between Arkouda Strings and NumPy

  bug
  Bears-R-Us/arkouda#5288 · Filter by author ajpotts opened on Jan 9, 2026 · Numpy Alignment -- Align Existing Functions
  1

• Bug: SegArray aggregations mishandle empty segments (NumPy alignment)

  bug
  Bears-R-Us/arkouda#5283 · Filter by author ajpotts opened on Jan 9, 2026 · Numpy Alignment -- Align Existing Functions
  1

• SegArray set-ops ordering differs from NumPy semantics (strings + ints)

  bug
  Bears-R-Us/arkouda#5282 · Filter by author ajpotts opened on Jan 9, 2026 · Numpy Alignment -- Align Existing Functions
  1

• SegArray set operations can construct invalid segments arrays

  bug
  Bears-R-Us/arkouda#5281 · Filter by author ajpotts opened on Jan 9, 2026 · Numpy Alignment -- Align Existing Functions
  2