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Issues

• gh-125788: Improve ctypes error message for mismatched callback prototypes

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  #161873· opened Nov 12, 2026 · Updated Nov 12, 2026
  4

• gh-161850: Copy a deque into a list under a single critical section

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  #161854· opened Nov 12, 2026 · Updated Nov 12, 2026·Draft
  1

• gh-161850: Lock only the deque when advancing a deque iterator

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  #161853· opened Nov 12, 2026 · Updated Nov 12, 2026·Draft
  1

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

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

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

  python/cpython#161799 · opened on Nov 11, 2026
  4

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

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

• gh-161746: Use the Neri–Schneider algorithm for ordinal-to-date conversion in datetime

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  #161747· opened Nov 10, 2026 · Updated Nov 11, 2026
  12

• Use the Neri–Schneider algorithm for ordinal-to-date conversion in datetime

  python/cpython#161746 · opened on Nov 10, 2026
  3

• Avoid stop-the-world when __abstractmethods__ does not change the abstract flag

  python/cpython#161744 · opened on Nov 10, 2026

• gh-161510: Lazily import time and encodings._win_cp_codecs at startup

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  #161732· opened Nov 10, 2026 · Updated Nov 10, 2026
  3

• gh-161644: Avoid unmarshalling zipped .pyc files twice on import

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  #161700· opened Nov 9, 2026 · Updated Nov 9, 2026
  1

• gh-82949: Add LLDB helpers that reuse the GDB implementation

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  #161697· opened Nov 9, 2026 · Updated Nov 10, 2026
  2

• [C API] Add PyTupleWriter API

  python/cpython#161694 · opened on Nov 9, 2026
  2

• gh-161676: Reduce perf trampoline overhead

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  #161677· opened Nov 9, 2026 · Updated Nov 9, 2026·Draft

• Reduce perf trampoline overhead

  python/cpython#161676 · opened on Nov 9, 2026

• gh-161661: json.dumps use a single dict probe for circular-reference markers

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  #161662· opened Nov 9, 2026 · Updated Nov 10, 2026
  9

• json.dumps: single circle markers hash lookup

  python/cpython#161661 · opened on Nov 9, 2026
  2

• gh-161513: Import _wmi lazily in platform

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  #161656· opened Nov 9, 2026 · Updated Nov 9, 2026
  1

• gh-145153: Implement PEP 813 pprint protocol

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  #161647· opened Nov 9, 2026 · Updated Nov 9, 2026·Draft
  2

• zipimport reads and unmarshals pyc's twice per import

  python/cpython#161644 · opened on Nov 8, 2026
  1

• gh-161694: [C API] Add PyTupleWriter API

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  #161639· opened Nov 8, 2026 · Updated Nov 9, 2026·Draft
  3

• gh-161635: Add PyList_AsTupleAndClear() function

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  #161637· opened Nov 8, 2026 · Updated Nov 8, 2026
  9

• gh-161524: Speed up copying sparse dictionaries

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  #161636· opened Nov 8, 2026 · Updated Nov 12, 2026
  11

• [C API] Add PyList_AsTupleAndClear() function

  python/cpython#161635 · opened on Nov 8, 2026
  4

• gh-131178: Add tests for filecmp command-line interface

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  #161606· opened Nov 8, 2026 · Updated Nov 8, 2026
  3