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Issues list

MessageIDHeader does not trim whitespace type-bug An unexpected behavior, bug, or error
#134812 opened May 27, 2025 by jakajancar
Types with Py_TPFLAGS_MANAGED_WEAKREF but not Py_TPFLAGS_HAVE_GC crash when creating a weak reference topic-C-API type-crash A hard crash of the interpreter, possibly with a core dump
#134786 opened May 27, 2025 by chris-se
tkinter.filedialog.askopenfilename() fails with "SharedMemory read faild" stdlib Python modules in the Lib dir topic-tkinter type-bug An unexpected behavior, bug, or error
#134776 opened May 27, 2025 by ye-xue
More than thousand 'Py_DEBUG': macro redefinition warnings for Windows debug builds on 3.14 branch 3.14 bugs and security fixes build The build process and cross-build OS-windows type-bug An unexpected behavior, bug, or error
#134774 opened May 27, 2025 by chris-eibl
time_clockid_converter() selects the wrong type for clockid_t on Cygwin. type-bug An unexpected behavior, bug, or error
#134771 opened May 27, 2025 by collinfunk
test_idle test_configdialog.HighPageTest failing on macOS OS-mac stdlib Python modules in the Lib dir topic-IDLE type-bug An unexpected behavior, bug, or error
#134770 opened May 27, 2025 by emmatyping
Build failure on main and latest Python 3.14 beta (missing mt_continue_should_break) 3.14 bugs and security fixes 3.15 new features, bugs and security fixes stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#134768 opened May 27, 2025 by thesamesam
Simple AST level Optimization that would have ~1.5-2.5% gains for certain tests interpreter-core (Objects, Python, Grammar, and Parser dirs) type-feature A feature request or enhancement
#134767 opened May 27, 2025 by GanerCodes
threading primitives are subject to reference count contention interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-free-threading type-feature A feature request or enhancement
#134761 opened May 26, 2025 by ZeroIntensity
UnboundLocalError in email.message.Message.get_payload stdlib Python modules in the Lib dir topic-email type-bug An unexpected behavior, bug, or error
#134759 opened May 26, 2025 by thib-d
Improve speed of test_tokenize.StringPrefixTest.test_prefixes 3.14 bugs and security fixes 3.15 new features, bugs and security fixes stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#134752 opened May 26, 2025 by ericvsmith
Ctrl+Alt+L is broken after upgrading to Python 3.13 stdlib Python modules in the Lib dir topic-repl Related to the interactive shell type-bug An unexpected behavior, bug, or error
#134746 opened May 26, 2025 by danielzgtg
Change PyThread_allocate_lock() implementation to PyMutex interpreter-core (Objects, Python, Grammar, and Parser dirs) type-feature A feature request or enhancement
#134745 opened May 26, 2025 by vstinner
Abort in _PyEval_EvalFrameDefault originating on calling fcntl.ioctl extension-modules C modules in the Modules dir type-crash A hard crash of the interpreter, possibly with a core dump
#134744 opened May 26, 2025 by devdanzin
Documentation missing for importlib.metadata.distributions() 3.13 bugs and security fixes 3.14 bugs and security fixes 3.15 new features, bugs and security fixes docs Documentation in the Doc dir stdlib Python modules in the Lib dir topic-importlib
#134740 opened May 26, 2025 by emmatyping
ast.dump( show_empty = True) does not show most None values. stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#134733 opened May 26, 2025 by hunterhogan
_TIER2_RESUME_CHECK is costly in the JIT interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-JIT type-feature A feature request or enhancement
#134728 opened May 26, 2025 by Fidget-Spinner
ast.dump() elision of empty values should use field types 3.13 bugs and security fixes 3.14 bugs and security fixes 3.15 new features, bugs and security fixes stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#134718 opened May 26, 2025 by JelleZijlstra
Allow customization of NaN and Infinity serialization in json module stdlib Python modules in the Lib dir type-feature A feature request or enhancement
#134717 opened May 26, 2025 by krzyszti
Support regular expressions in -W and PYTHONWARNINGS interpreter-core (Objects, Python, Grammar, and Parser dirs) type-feature A feature request or enhancement
#134716 opened May 26, 2025 by garyaviv
codecs.StreamWriter.write() returns None stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#134706 opened May 26, 2025 by srittau
Crash on _ssl__SSLContext_load_cert_chain_impl (requests running w/ cert in multi-threading) extension-modules C modules in the Modules dir topic-SSL type-crash A hard crash of the interpreter, possibly with a core dump
#134698 opened May 26, 2025 by Conobi
Clinic signatures of HACL* hash functions are inconsistent with OpenSSL implementation 3.13 bugs and security fixes 3.14 bugs and security fixes 3.15 new features, bugs and security fixes extension-modules C modules in the Modules dir type-bug An unexpected behavior, bug, or error
#134696 opened May 26, 2025 by 8R0WNI3
Remove deprecated co_lnotab from CodeType 3.15 new features, bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) type-feature A feature request or enhancement
#134690 opened May 26, 2025 by sobolevn
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