Issues

Issues

• http client putrequest changes active continue timeout after rejected call

  python/cpython#161861 · opened on Nov 12, 2026

• Free-threaded build: deque iteration and list(deque) take a critical section per item

  python/cpython#161850 · opened on Nov 12, 2026

• Segfault compiling a class that binds __classdict__ and contains a generic class

  python/cpython#161849 · opened on Nov 12, 2026

• macOS "Hide" handled improperly in tkinter with Tk >= 9.0

  python/cpython#161848 · opened on Nov 12, 2026

• _interpchannels: ChannelID.__eq__ reads module state from sys.modules without a check

  python/cpython#161841 · opened on Nov 12, 2026
  3

• ctypes: array slice assignment replaces the value's __len__ exception with a ValueError

  python/cpython#161840 · opened on Nov 12, 2026

• sqlite3: exception from a collation callback is replaced by SystemError

  python/cpython#161837 · opened on Nov 12, 2026

• _PyEval_EvalFrameDefault not in the call stack when interpreter is built with --with-tail-call-interp

  python/cpython#161827 · opened on Nov 11, 2026
  2

• Building with LTO and Clang 20 on Debian fails to link

  python/cpython#161821 · opened on Nov 11, 2026

• Documented parameter names of some email.utils functions don't match the implementation

  python/cpython#161816 · opened on Nov 11, 2026

• Improper handling of Unicode Properties in character set 3.16a2

  python/cpython#161814 · opened on Nov 11, 2026

• ElementTree: itertext() and tostring(method="text") lose the text of elements whose tag is a QName

  python/cpython#161809 · opened on Nov 11, 2026
  1

• ElementTree: invalid paths raise KeyError instead of SyntaxError, and C and Python disagree on them

  python/cpython#161808 · opened on Nov 11, 2026
  1

• ElementTree: empty path makes find()/findall()/findtext() raise TypeError

  python/cpython#161807 · opened on Nov 11, 2026
  1

• ARCHFLAGS does not properly override ‑arch in sysconfig.get_config_vars() values since Python 3.13

  python/cpython#161805 · opened on Nov 11, 2026
  2

• pickle docs: Pickler's file.write() can receive bytes-like objects, not only bytes

  python/cpython#161803 · opened on Nov 11, 2026
  3

• inspect.getframeinfo and traceback build every preceding co_positions() tuple

  python/cpython#161799 · opened on Nov 11, 2026
  3

• Crash when a callable iterator is shared between threads

  python/cpython#161792 · opened on Nov 11, 2026
  1

• Support path-like objects in shutil.which()

  python/cpython#161788 · opened on Nov 10, 2026
  3

• Emscripten build fails when WebAssembly reference types are disabled

  python/cpython#161782 · opened on Nov 10, 2026

• Release free-threaded thread-state attachment can clobber errno and cause spurious directory I/O EAGAIN

  python/cpython#161769 · opened on Nov 10, 2026

• Crash in PyDict_AsFrozenDictAndClear() with obj.__dict__

  python/cpython#161767 · opened on Nov 10, 2026

• asyncio.as_completed() leaves stale awaited_by edges when the loop exits early

  python/cpython#161766 · opened on Nov 10, 2026
  1

• ssl docs: custom client socket example never connects

  python/cpython#161763 · opened on Nov 10, 2026
  1

• Free-threaded GC can abort during concurrent subinterpreter teardown

  python/cpython#161751 · opened on Nov 10, 2026
  1