All issues

The Python C API should only define macros with a name starting wit `Py`

#157695

· vstinner opened

on Sep 17, 2026

http.cookies: parser accepts key characters that Morsel.set then rejects

#157694

· UnitedMarsupials opened

on Sep 17, 2026

Windows: Activating a venv from a MSYS shell spawned from a cmd shell borks your PATH

#157692

· relativityspace-jsmith opened

on Sep 17, 2026

test_linux_ext_suffix performs no assertions on riscv64

topic-sysconfig

#157688

· furkanonder opened

on Sep 17, 2026

Document source revision and build provenance of Windows libtommath.dll in Tcl/Tk 9.0.4

#157683

· hclifton-nbcuni opened

on Sep 17, 2026

`csv.Sniffer.sniff()` raises `Could not determine delimiter` when the sample contains a field larger than field_size_limit()

#157678

· lpyu001 opened

on Sep 17, 2026

tkinter.simpledialog: KeyError when a dialog is opened while a window not created by tkinter holds the grab

#157676

· serhiy-storchaka opened

on Sep 17, 2026

Slow IDNA encoding with large strings

#157675

· encukou opened

on Sep 17, 2026

tkinter: Tk on macOS replaces Python's SIGINT, SIGHUP and SIGTERM handlers, so Ctrl-C exits instead of raising KeyboardInterrupt

#157672

· serhiy-storchaka opened

on Sep 17, 2026

Windows os.stat and os.fstat report different st_ctime_ns values

extension-modules

#157671

· jezdez opened

on Sep 17, 2026

Free-threaded CPython: concurrent new_threadstate() / PyGILState_Ensure() from N≥~8 OS threads deadlocks in _PyEval_StopTheWorld

topic-free-threading

#157666

· CypherGrue opened

on Sep 17, 2026

_remote_debugging retains stale TLBC arrays after growth in free-threaded builds

extension-modules

topic-free-threading

topic-profiling

#157660

· liuzhijie-0614 opened

on Sep 17, 2026