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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
mkdtemp() created directories no longer allows for writing files when running under a Windows AppContainer in 3.12.4 (but works under 3.12.3) stdlibPython modules in the Lib dir type-bugAn unexpected behavior, bug, or error
#134587 openedMay 23, 2025 bythatnerdyguy
The devcontainer doesn't include the bits to build the _zstd module 3.14bugs and security fixes 3.15new features, bugs and security fixes buildThe build process and cross-build extension-modulesC modules in the Modules dir type-bugAn unexpected behavior, bug, or error
#134583 openedMay 23, 2025 bypablogsal
untokenize() round-trip fails for t-strings (with only type + string) 3.14bugs and security fixes 3.15new features, bugs and security fixes interpreter-core(Objects, Python, Grammar, and Parser dirs) type-bugAn unexpected behavior, bug, or error
#134582 openedMay 23, 2025 byloic-simon
logging.StreamHandler produces BrokenPipeError when cut short by head utility stdlibPython modules in the Lib dir type-bugAn unexpected behavior, bug, or error
#134568 openedMay 23, 2025 byblhsing
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
ContextDecorator documentation is unclear. stdlibPython modules in the Lib dir type-bugAn unexpected behavior, bug, or error
#134537 openedMay 22, 2025 bylanafs
dataclass.__eq__ no longer errors on missing attributes in Python 3.13 3.13bugs and security fixes 3.14bugs and security fixes 3.15new features, bugs and security fixes stdlibPython modules in the Lib dir topic-dataclasses type-bugAn unexpected behavior, bug, or error
#134488 openedMay 22, 2025 bywillhcr
asyncio.timeout(0) swallows a prior task cancellation stdlib #134471 openedMay 21, 2025 byokhaliavka
pyrepl fails with an ugly traceback when ioctls are not allowed on tty stdio stdlibPython modules in the Lib dir topic-replRelated to the interactive shell type-bugAn unexpected behavior, bug, or error
#134466 openedMay 21, 2025 byglyph
InconsistentPython modules in the Lib dir topic-subprocessSubprocess issues. type-bugAn unexpected behavior, bug, or error
subprocess.Popen.communicate() behavior between Windows and Posix stdlib #134453 openedMay 21, 2025 bytikuma-lsuhsc
Error in Format Specification Mini-Language concerningbugs and security fixes 3.15new features, bugs and security fixes docsDocumentation in the Doc dir type-bugAn unexpected behavior, bug, or error
precision_with_grouping in 3.14 3.14 #134449 openedMay 21, 2025 byjonathanpoelen
Dangerous reference count decrement. easy interpreter-core(Objects, Python, Grammar, and Parser dirs) type-bugAn unexpected behavior, bug, or error
#134411 openedMay 21, 2025 bysmurav
argparse: type=FileType("wb"), default=sys.stdout returns _io.TextIOWrapper instead of _io.BufferedWriter stdlibPython modules in the Lib dir type-bugAn unexpected behavior, bug, or error
#134410 openedMay 21, 2025 byChaz6
3.14 changes annotations behaviour for dataclasses.make_dataclass 3.14bugs and security fixes stdlibPython modules in the Lib dir topic-dataclasses type-bugAn unexpected behavior, bug, or error
#134370 openedMay 20, 2025 byrogerbinns
inspect.Signature.bind_partial() incorrectly succeeds for missing required positional arguments when called with no arguments vs. unpacked empty iterables on Python 3.13.2t stdlibPython modules in the Lib dir type-bugAn unexpected behavior, bug, or error
#134299 openedMay 20, 2025 bybrianfreud
FixThe build process and cross-build type-bugAn unexpected behavior, bug, or error
Uop.replicated definition incases_generator/analyzer.py build #134294 openedMay 19, 2025 bysobolevn
~bool deprecation not reported for literals 3.13 #134280 openedMay 19, 2025 bydecorator-factory
JIT stencil compilation does not respect CFLAGS buildThe build process and cross-build topic-JIT type-bugAn unexpected behavior, bug, or error
#134273 openedMay 19, 2025 byzanieb
ZipFile tests fail in negative timezone offsets on reproducible build environments testsTests in the Lib/test dir type-bugAn unexpected behavior, bug, or error
#134261 openedMay 19, 2025 byctrlaltf2
Python 3.15.0: test_sys.test_getallocatedblocks() fails if run after test_collections.test_odd_sizes() 3.14bugs and security fixes 3.15new features, bugs and security fixes testsTests in the Lib/test dir type-bugAn unexpected behavior, bug, or error
#134248 openedMay 19, 2025 byFearless-Badger
sys.setprofile does not dipatch C Extension dunder methods interpreter-core #134243 openedMay 19, 2025 byVipul-Cariappa
[BUG] Hinting recursion limit will clear the system trace function (The issue will be closed if no feedback is provided type-bugAn unexpected behavior, bug, or error
sys.gettrace() -> None) pending #134216 openedMay 19, 2025 byXuehaiPan
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