Issues

• [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]: datetime.strptime is broken

  bug
  oracle/graalpython#1013 · Filter by author HolgerHees opened on Jul 13, 2026
  3

  

• [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
  2

• [Bug]: Different output upon decoding invalid utf-8

  bug
  oracle/graalpython#875 · Filter by author vytas7 opened on May 23, 2026
  3

• Add a comment if the CI fails on a PR that is already closed

  oracle/graalpython#609 · Filter by author timfel opened on Jan 26, 2026
  

• "Implicit conversion changes signedness" warning from unicodeobject.h

  good first issue
  oracle/graalpython#580 · Filter by author skirpichev opened on Dec 15, 2025
  1

• Torch import failed on .so file despite being present

  oracle/graalpython#579 · Filter by author kgonia opened on Dec 14, 2025
  4

• Code timeout question

  oracle/graalpython#571 · Filter by author shuangpai opened on Dec 9, 2025
  3

• double free or corruption when enable python.IsolateNativeModules

  oracle/graalpython#563 · Filter by author suiwenfeng opened on Oct 28, 2025

• matplotlib fails to install under Windows on GraalPy 25.0.0

  oracle/graalpython#544 · Filter by author s5bug opened on Sep 17, 2025
  3

  

• GraalPy silent error on multi-threaded code

  oracle/graalpython#543 · Filter by author luisggpina opened on Sep 17, 2025
  1

• import talib error

  oracle/graalpython#482 · Filter by author cxh793602333 opened on Mar 19, 2025
  2

• Poor accuracy in true division of integers

  oracle/graalpython#474 · Filter by author skirpichev opened on Feb 12, 2025
  4

  

• Consider a more Gradle-native syntax to specify Python dependencies in the Gradle plugin

  oracle/graalpython#461 · Filter by author sschuberth opened on Dec 19, 2024
  1

  

• GraalPy doesn't work with spaCy NLP

  oracle/graalpython#450 · Filter by author kevintanhongann opened on Nov 6, 2024
  1

• re is much slower than cpython

  oracle/graalpython#445 · Filter by author masklinn opened on Oct 25, 2024
  6

• Pip crashes in progress bar rendering on Windows

  oracle/graalpython#433 · Filter by author SimplyProgrammer opened on Oct 16, 2024
  15