Issues

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

  enhancement
  oracle/graalpython#1260 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1259 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1258 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1257 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1256 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1255 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1254 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1253 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1252 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1251 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1250 · Filter by author jseop-lim opened on Oct 31, 2026

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

  bug
  oracle/graalpython#1249 · Filter by author jseop-lim opened on Oct 31, 2026

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

  enhancement
  oracle/graalpython#1217 · Filter by author ftreede opened on Oct 15, 2026

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

  enhancement
  oracle/graalpython#1212 · Filter by author rszabolcs opened on Oct 12, 2026

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

  bug
  oracle/graalpython#1192 · Filter by author skirpichev opened on Oct 6, 2026

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

  bug
  oracle/graalpython#1133 · Filter by author vibbix opened on Sep 8, 2026

• [Bug]: UnsupportedSpecializationException with __floor__

  bug
  oracle/graalpython#1112 · Filter by author correctmost opened on Aug 26, 2026

• [Bug]: UnsupportedSpecializationException with tuple

  bug
  oracle/graalpython#1111 · Filter by author correctmost opened on Aug 26, 2026

• [Bug]: UnsupportedSpecializationException with property setter

  bug
  oracle/graalpython#1107 · Filter by author correctmost opened on Aug 25, 2026

• [Bug]: UnsupportedSpecializationException with deque.pop

  bug
  oracle/graalpython#1105 · Filter by author correctmost opened on Aug 25, 2026

• [Bug]: UnsupportedSpecializationException with MappingProxyType

  bug
  oracle/graalpython#1102 · Filter by author correctmost opened on Aug 25, 2026

• [Bug]: PEP 688 __buffer__ missing on builtin types

  bug
  oracle/graalpython#1072 · Filter by author jseop-lim opened on Aug 7, 2026

• [Bug]: incompatible (wrt CPython 3.12) signatures for some integer math functions and int's methods

  bug
  oracle/graalpython#998 · Filter by author skirpichev opened on Jul 1, 2026

• [Bug]: Exceptions raised when PyErr_SetHandledException is set don't set the context correctly

  bug
  oracle/graalpython#980 · Filter by author da-woods opened on Jun 22, 2026

• pandas 2.2.3 import fails with RuntimeError on GraalPy 25.0.2

  bugpython
  oracle/graalpython#944 · Filter by author timfel opened on Jun 10, 2026
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