Python · Issues· 9664 open
Open on GitHubLocally synced open issues (discussions stay on GitHub)
- #157613
Support an explicit environment mapping for multiprocessing spawn
type-featurestdlibtopic-multiprocessingUpdated Sep 17, 2026 - #141044
memory leak in threading stack size
type-buginterpreter-corestdlib3.143.15Updated Sep 17, 2026 - #157683
Document source revision and build provenance of Windows libtommath.dll in Tcl/Tk 9.0.4
OS-windowstopic-tkinterUpdated Sep 17, 2026 - #154610
Format attribute name with repr() when formatting AttributeError error message
type-featureinterpreter-corestdlibUpdated Sep 17, 2026 - #157671
Windows os.stat and os.fstat report different st_ctime_ns values
OS-windowsextension-modulesUpdated Sep 17, 2026 - #157666
Free-threaded CPython: concurrent new_threadstate() / PyGILState_Ensure() from N≥~8 OS threads deadlocks in _PyEval_StopTheWorld
type-bugtopic-free-threadingUpdated Sep 17, 2026 - #157639
heap uaf in _lsprof via enable()
type-bugextension-modulestopic-profilingUpdated Sep 17, 2026 - #157660
_remote_debugging retains stale TLBC arrays after growth in free-threaded builds
type-bugextension-modulestopic-free-threadingtopic-profilingUpdated Sep 17, 2026 - #157676
tkinter.simpledialog: KeyError when a dialog is opened while a window not created by tkinter holds the grab
type-bugstdlibtopic-tkinterUpdated Sep 17, 2026 - #157678
`csv.Sniffer.sniff()` raises `Could not determine delimiter` when the sample contains a field larger than field_size_limit()
type-bugstdlibUpdated Sep 17, 2026 - #157688
test_linux_ext_suffix performs no assertions on riscv64
type-bugteststopic-sysconfigOS-risc-vUpdated Sep 17, 2026 - #157675
Slow IDNA encoding with large strings
type-featurestdlibUpdated Sep 17, 2026 - #157649
Py_CLEAR/Py_SETREF() regression on the main branch with C++: SEGV with simple `numpy` program
type-buginterpreter-coreUpdated Sep 17, 2026 - #157361
Implement `anext` and `aiter` in pure Python
type-featuretopic-asynciointerpreter-core3.16Updated Sep 17, 2026 - #155596
`pprint(..., expand=True)`'s "best effort" for adhering to `width=...` seems not very "best"
type-featuresprintstdlibUpdated Sep 17, 2026