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Issues

• sre: the UCS2 and UCS4 variants of charset_loc_ignore are unreachable

  python/cpython#160498 · opened on Oct 23, 2026

• configparser: ExtendedInterpolation._interpolate_some exceeds common complexity limits

  python/cpython#159686 · opened on Oct 18, 2026

• Speed up garbage collector

  python/cpython#159137 · opened on Oct 10, 2026

• Rework Modules/getbuildinfo.c to build strings at build time, instead of runtime

  python/cpython#158948 · opened on Oct 7, 2026

• Modernize the turtle module

  python/cpython#158322 · opened on Sep 28, 2026

• Cleanup: Possible removal of some __wasi__ special case handling

  python/cpython#156692 · opened on Aug 31, 2026
  3

• Argument Clinic: move converters defined in several files to libclinic

  python/cpython#156261 · opened on Aug 23, 2026

• Deduplicate escape/quote scanning in f-string/t-string debug text handling

  python/cpython#155516 · opened on Aug 10, 2026

• IDLE - Update mousewheel event handling

  python/cpython#154511 · opened on Jul 22, 2026

• Remove duplicate code by making traceback.print_list() delegate to format_list()

  python/cpython#153782 · opened on Jul 15, 2026
  1

• Factor out the interpreter (PyEval_EvalFrameDefault) and helper functions into separate files

  python/cpython#150950 · opened on Jun 5, 2026

• Replace ctypes based Windows console calls in _pyrepl

  python/cpython#150582 · opened on May 29, 2026
  2

• Move _testclinic to multi-phase init

  python/cpython#150097 · opened on May 19, 2026
  3

• Refactor perf trampoline proposal: split the assembly per architecture, auto-generate DWARF unwind data

  python/cpython#149800 · opened on May 13, 2026
  5

• Keep next_in and avail_in in sync in bz2/lzma/zlib decompressor reset paths

  python/cpython#149105 · opened on Apr 28, 2026
  1

• Use PEP 661 (sentinels) in the standard library

  python/cpython#149083 · opened on Apr 28, 2026
  2

• test_sys globally requires _datetime for cpython_only test

  python/cpython#143959 · opened on Jan 17, 2026
  2

• Extract common bytecode retrieval logic from _PyFrame_GetBytecode and _PyFrame_SafeGetLasti

  python/cpython#142929 · opened on Dec 18, 2025
  3

• Using winreg.DeleteTree in test_winreg

  python/cpython#142103 · opened on Nov 30, 2025

• Dead code in tkinter

  python/cpython#140494 · opened on Oct 23, 2025
  4

• Improve usage of _setSSLError in _ssl.c

  python/cpython#138634 · opened on Sep 8, 2025

• gh-138206: Eliminate duplication of the check for the MS_WINDOWS macro.

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  #138207· opened Aug 27, 2025 · Updated Apr 28, 2026
  2

• Eliminate duplication of the check for the MS_WINDOWS macro.

  python/cpython#138206 · opened on Aug 27, 2025
  1

• Convert _interpreters to Argument Clinic

  python/cpython#137630 · opened on Aug 11, 2025
  8

• A better JSON check_circular

  python/cpython#137103 · opened on Jul 25, 2025
  16