Issues

• Fold PUSH_NULL; LOAD_CONST None into GET_AWAITABLE and GET_ANEXT

  interpreter-core
  python/cpython#161875 · Filter by author asvetlov opened on Nov 12, 2026
  1

• test_build_details.test_platform fails for 32-bit builds on a 64-bit kernel

  python/cpython#161870 · Filter by author aozmekik opened on Nov 12, 2026

• Short, frequent GIL releases block other threads for seconds

  type-bug
  python/cpython#161868 · Filter by author oinopion opened on Nov 12, 2026

• Possible NULL-related SystemError when interpreter is not fully initialized

  interpreter-coretopic-importlibtype-bug
  python/cpython#161863 · Filter by author sobolevn opened on Nov 12, 2026

• http client putrequest changes active continue timeout after rejected call

  stdlibtype-bug
  python/cpython#161861 · Filter by author tonghuaroot opened on Nov 12, 2026

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

  interpreter-coreperformancetype-feature
  python/cpython#161850 · Filter by author 113xiaoji opened on Nov 12, 2026

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

  python/cpython#161849 · Filter by author 0z5a opened on Nov 12, 2026

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

  type-bug
  python/cpython#161848 · Filter by author tangledhelix opened on Nov 12, 2026

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

  extension-modulestopic-subinterpreterstype-bug
  python/cpython#161841 · Filter by author grgalex opened on Nov 12, 2026
  3

  

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

  extension-modulestopic-ctypestype-bug
  python/cpython#161840 · Filter by author grgalex opened on Nov 12, 2026

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

  extension-modulestopic-sqlite3type-bug
  python/cpython#161837 · Filter by author grgalex opened on Nov 12, 2026

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

  buildtype-bug
  python/cpython#161821 · Filter by author nascheme opened on Nov 11, 2026

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

  python/cpython#161816 · Filter by author thejesh23 opened on Nov 11, 2026

• Improper handling of Unicode Properties in character set 3.16a2

  type-bug
  python/cpython#161814 · Filter by author facelessuser opened on Nov 11, 2026

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

  extension-modulesstdlibtopic-XMLtype-bug
  python/cpython#161809 · Filter by author ines-besrour opened on Nov 11, 2026
  1

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

  extension-modulesstdlibtopic-XMLtype-bug
  python/cpython#161808 · Filter by author ines-besrour opened on Nov 11, 2026
  1

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

  extension-modulesstdlibtopic-XMLtype-bug
  python/cpython#161807 · Filter by author ines-besrour opened on Nov 11, 2026
  1

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

  buildtopic-sysconfigtype-bug
  python/cpython#161805 · Filter by author jmarshall opened on Nov 11, 2026
  2

  

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

  docs
  python/cpython#161803 · Filter by author eachimei opened on Nov 11, 2026
  3

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

  pendingperformancestdlibtype-feature
  python/cpython#161799 · Filter by author xionghul opened on Nov 11, 2026
  4

• Crash when a callable iterator is shared between threads

  interpreter-coretopic-free-threadingtype-crash
  python/cpython#161792 · Filter by author nascheme opened on Nov 11, 2026
  1

  

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

  pendingstdlibtype-feature
  python/cpython#161788 · Filter by author Builder106 opened on Nov 10, 2026
  3

• Emscripten build fails when WebAssembly reference types are disabled

  OS-emscriptentype-bug
  python/cpython#161782 · Filter by author garbear opened on Nov 10, 2026

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

  interpreter-coretopic-free-threadingtopic-subinterpreterstype-bug
  python/cpython#161769 · Filter by author Robolightning opened on Nov 10, 2026

• Crash in PyDict_AsFrozenDictAndClear() with obj.__dict__

  interpreter-coretopic-C-APItype-crash
  python/cpython#161767 · Filter by author iRELDevz opened on Nov 10, 2026