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gh-128639: Don't assume one thread in subinterpreter finalization with fixed daemon thread support awaiting review needs backport to 3.14bugs and security fixes topic-subinterpreters
#134606 openedMay 24, 2025 byZeroIntensityLoading…
Creating a subinterpreter when Python is run with -X tracemalloc leads to segfault 3.14bugs and security fixes 3.15new features, bugs and security fixes topic-subinterpreters type-crashA hard crash of the interpreter, possibly with a core dump
#134604 openedMay 23, 2025 byemmatyping
Exception _abc_impl is set to a wrong type when using format_exception extension-modulesC modules in the Modules dir topic-C-API topic-subinterpreters type-bugAn unexpected behavior, bug, or error
#134591 openedMay 23, 2025 byjato-c8y
Refleaks on free-threaded builds testsTests in the Lib/test dir topic-subinterpreters type-bugAn unexpected behavior, bug, or error
#134557 openedMay 23, 2025 byemmatyping
New warnings in C implementation of subinterpreters buildThe build process and cross-build extension-modulesC modules in the Modules dir topic-subinterpreters type-bugAn unexpected behavior, bug, or error
#134542 openedMay 22, 2025 bysobolevn
The C API needs to protect state that can be deleted by finalization 3.13bugs and security fixes 3.14bugs and security fixes 3.15new features, bugs and security fixes topic-C-API topic-free-threading topic-subinterpreters triagedThe issue has been accepted as valid by a triager.
#134307 openedMay 20, 2025 byZeroIntensity
Minor InterpreterPoolExecutor Issues 3.14bugs and security fixes stdlibPython modules in the Lib dir topic-subinterpreters type-bugAn unexpected behavior, bug, or error
#133485 openedMay 6, 2025 byericsnowcurrently
GH-104289: Test importing all stdlib modules in subinterpreters awaiting core review skip news testsTests in the Lib/test dir topic-subinterpreters
#133392 openedMay 4, 2025 byAA-TurnerLoading…
Improve Py_mod_multiple_interpreters and Py_mod_gil Usability interpreter-core(Objects, Python, Grammar, and Parser dirs) topic-C-API topic-free-threading topic-subinterpreters type-featureA feature request or enhancement
#132861 openedApr 23, 2025 byericsnowcurrently
Improvements to test.support.interpreters.Interpreter 3.14bugs and security fixes stdlibPython modules in the Lib dir topic-subinterpreters type-featureA feature request or enhancement
#132775 openedApr 21, 2025 byericsnowcurrently
test_import
sometimes fails in "Hypothesis tests on Ubuntu" job tests #131229 openedMar 14, 2025 bysobolevn
Various data races in subinterpreter tests under TSAN interpreter-core(Objects, Python, Grammar, and Parser dirs) topic-subinterpreters type-bugAn unexpected behavior, bug, or error
#129824 openedFeb 7, 2025 bycolesbury
Data race on(Objects, Python, Grammar, and Parser dirs) topic-free-threading topic-subinterpreters type-bugAn unexpected behavior, bug, or error
tp_flags
with subinterpreters and static types interpreter-core #129817 openedFeb 7, 2025 bycolesbury
Subinterpreters don't properly clean up threads 3.13bugs and security fixes 3.14bugs and security fixes extension-modulesC modules in the Modules dir topic-subinterpreters type-crashA hard crash of the interpreter, possibly with a core dump
#128639 openedJan 8, 2025 byZeroIntensity
test_interpreters.test_stress Failed on aarch64 Fedora Stable Clang 3.x Buildbot 3.14bugs and security fixes interpreter-core(Objects, Python, Grammar, and Parser dirs) topic-subinterpreters type-bugAn unexpected behavior, bug, or error
#128381 openedDec 31, 2024 byericsnowcurrently
Embedded interpreters: No way to extendA feature request or enhancement
sys.path
topic-subinterpreters type-feature #128352 openedDec 30, 2024 bysmurfix
Assertion failures frombugs and security fixes 3.14bugs and security fixes extension-modulesC modules in the Modules dir topic-subinterpreters type-crashA hard crash of the interpreter, possibly with a core dump
_interpchannels._register_end_types
3.13 #127234 openedNov 24, 2024 bydevdanzin
test_interpreters.test_stress Crashes in managed_static_type_state_clear() 3.14bugs and security fixes interpreter-core(Objects, Python, Grammar, and Parser dirs) topic-subinterpreters type-crashA hard crash of the interpreter, possibly with a core dump
#127108 openedNov 21, 2024 byericsnowcurrently
An interpreter can start running duringbugs and security fixes 3.14bugs and security fixes extension-modulesC modules in the Modules dir topic-subinterpreters type-crashA hard crash of the interpreter, possibly with a core dump
_interpreters.destroy
3.13 #127041 openedNov 19, 2024 byZeroIntensity
Custom environments in subinterpreters topic-subinterpreters type-featureA feature request or enhancement
#126977 openedNov 18, 2024 byFFY00
InterpreterPoolExecutor workers do not inherit modifications made to sys.path before starting. 3.14bugs and security fixes stdlibPython modules in the Lib dir topic-subinterpreters type-bugAn unexpected behavior, bug, or error
#126714 openedNov 12, 2024 byTkTech
Multithreaded subinterpreters can be running during finalization 3.13bugs and security fixes 3.14bugs and security fixes interpreter-core(Objects, Python, Grammar, and Parser dirs) topic-subinterpreters type-crashA hard crash of the interpreter, possibly with a core dump
#126016 openedOct 26, 2024 byZeroIntensity
InterpreterPoolExecutor doesn't respect "thread_name_prefix" 3.14bugs and security fixes extension-modulesC modules in the Modules dir topic-subinterpreters type-bugAn unexpected behavior, bug, or error
#125920 openedOct 24, 2024 bypaultiq
TSAN race in _waiting_release extension-modulesC modules in the Modules dir topic-subinterpreters type-bugAn unexpected behavior, bug, or error
#123828 openedSep 8, 2024 byccotter
Deadlock in Py_EndInterpreter following bpo-1596321: Fix threading._shutdown() for the main thread 3.9only security fixes 3.10only security fixes 3.11only security fixes topic-subinterpreters type-bugAn unexpected behavior, bug, or error
#122517 openedJul 31, 2024 byjdoc-sag
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