Issues

Issues

• [Bug]: Re-raise through try/except drops the exec'd code's frame from the polyglot stack trace

  oracle/graalpython#1295 · opened on Nov 9, 2026
  2

• [Bug]: Assorted CPython compatibility divergences (15 items)

  oracle/graalpython#1291 · opened on Nov 8, 2026

• [Bug]: NullPointerException with top-level async for

  oracle/graalpython#1287 · opened on Nov 4, 2026

• [Bug]: NullPointerException with lambda and await

  oracle/graalpython#1285 · opened on Nov 4, 2026

• [Feature Request]: consider using more accurate algorithm for sum() of floating-point values

  oracle/graalpython#1281 · opened on Nov 3, 2026

• [Bug]: itertools.groupby group iterator re-entered from the key's __eq__ returns a Java null, which crashes with NullPointerException

  oracle/graalpython#1276 · opened on Nov 3, 2026

• [Bug]: wheels bundled in ensurepip are not valid wheels

  oracle/graalpython#1272 · opened on Nov 1, 2026
  1

• [Feature Request]: Add math.cbrt and math.exp2

  oracle/graalpython#1260 · opened on Oct 31, 2026

• [Bug]: _csv.Reader and _csv.Writer are named Reader and Writer instead of reader and writer

  oracle/graalpython#1259 · opened on Oct 31, 2026

• [Bug]: _thread.RLock() rejects arguments that CPython accepts and ignores

  oracle/graalpython#1258 · opened on Oct 31, 2026

• [Bug]: io.StringIO() checks initial_value before newline, raising TypeError instead of ValueError

  oracle/graalpython#1257 · opened on Oct 31, 2026

• [Bug]: weakref.ref() and weakref.proxy() with a callback accept objects that do not support weak references

  oracle/graalpython#1256 · opened on Oct 31, 2026

• [Bug]: Item assignment and deletion on a sequence without sq_ass_item raise TypeError before converting an index key

  oracle/graalpython#1255 · opened on Oct 31, 2026

• [Bug]: math.perm is quadratic in the result size, 50 to 100 times slower than CPython for large results

  oracle/graalpython#1254 · opened on Oct 31, 2026

• [Bug]: math.log(x, base) returns -inf for zero x, ignores base=None, and converts base before checking x

  oracle/graalpython#1253 · opened on Oct 31, 2026

• [Bug]: itertools._tee_dataobject() accepts None for values and fewer than three arguments

  oracle/graalpython#1252 · opened on Oct 31, 2026

• [Bug]: itertools.count() accepts None for start and step

  oracle/graalpython#1251 · opened on Oct 31, 2026

• [Bug]: collections._count_elements looks up mapping.get before calling iter() on the iterable

  oracle/graalpython#1250 · opened on Oct 31, 2026

• [Bug]: collections._tuplegetter accepts fewer than two arguments and keyword arguments

  oracle/graalpython#1249 · opened on Oct 31, 2026

• [Feature Request]: Treat java duration as foreign variant of datetime.timedelta

  oracle/graalpython#1217 · opened on Oct 15, 2026

• [Feature Request]: Emit expression tags for comparisons and their operands

  oracle/graalpython#1212 · opened on Oct 12, 2026

• [Bug]: invalid signature of int.__new__ and missing signatures for __new__ dunders in extensions

  oracle/graalpython#1192 · opened on Oct 6, 2026

• [Bug]: tokenize emits a non-existent new line token for empty input

  oracle/graalpython#1133 · opened on Sep 8, 2026

• [Bug]: UnsupportedSpecializationException with __floor__

  oracle/graalpython#1112 · opened on Aug 26, 2026

• [Bug]: UnsupportedSpecializationException with tuple

  oracle/graalpython#1111 · opened on Aug 26, 2026