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1. Commits on Feb 3, 2026

   • [3.14] gh-142555: Fix null pointer dereference in array.__setitem__ via re-entrant __index__ (GH-142713) (#144396)

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     miss-islington

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     aisk

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2. Commits on Feb 2, 2026

   • [3.14] gh-144380: Fix incorrect type check in `buffered_iternext()` (GH-144381) (#144389)

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     miss-islington

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     ruiyangke

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3. Commits on Jan 26, 2026

   • [3.14] gh-144100: Fix crash for POINTER(str) used in ctypes argtypes (GH-144108) (#144244)

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4. Commits on Jan 22, 2026

   • [3.14] gh-144023: Prevent `follow_symlinks` from being allowed with an fd of 0 (GH-144022) (#144151)

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     StanFromIreland

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     AZero13

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5. Commits on Jan 20, 2026

   • [3.14] Update struct.__doc__: _Bool available unconditionally (GH-143716) (#144070)

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     miss-islington

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     skirpichev

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6. Commits on Jan 16, 2026

   • [3.14] gh-143674: Document F/D complex format characters in struct module (GH-143675) (#143918)

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   • [3.14] gh-143880: Fix data race in `functools.partial` in free threading build (#143882)

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     colesbury

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7. Commits on Jan 13, 2026

   • [3.14] gh-143249: Fix buffer leak when overlapped operation fails to start on windows (GH-143250) (#143795)

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     miss-islington

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     hyongtao-code

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8. Commits on Jan 12, 2026

   • [3.14] gh-143196: Fix crash in non-standard use of internal JSON encoder object (GH-143618) (GH-143748)

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     miss-islington

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     serhiy-storchaka

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   • [3.14] gh-143544: Fix possible use-after-free in the JSON decoder when JSONDecodeError disappears during raising it (GH-143561) (#143733)

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   • [3.14] gh-78724: Raise RuntimeError's when calling methods on non-ready Struct()'s (GH-143643) (GH-143695)

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     miss-islington

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     skirpichev

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   • [3.14] gh-142881: Fix concurrent and reentrant call of atexit.unregister() (GH-142901) (GH-143721)

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     miss-islington

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     serhiy-storchaka

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9. Commits on Jan 11, 2026

   • [3.14] gh-143638: Forbid cuncurrent use of the Pickler and Unpickler objects in C implementation (GH-143664) (GH-143686)

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     serhiy-storchaka

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10. Commits on Jan 9, 2026

    • [3.14] gh-143191: Use _PyOS_MIN_STACK_SIZE in _thread.stack_size() (GH-143601) (#143611)

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      miss-islington

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      vstinner

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    • [3.14] gh-143378: Fix use-after-free when BytesIO is concurrently mutated during write operations (GH-143408) (GH-143599)

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      miss-islington

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      superboy-zjc

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    • [3.14] gh-143429: Use compile-time NaN encoding detection for test_struct (GH-143432) (#143595)

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      miss-islington

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      chenx97

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11. Commits on Jan 7, 2026

    • [3.14] gh-142991: socketmodule: fixed getsockaddrlen() for PF_DIVERT socket (GH-142993) (#143481)

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      miss-islington

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      glebius

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12. Commits on Jan 6, 2026

    • [3.14] gh-143331: Schedule to remove format "N" for Decimal (GH-143372) (#143476)

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      donbarbos

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13. Commits on Jan 3, 2026

    • [3.14] gh-143309: fix UAF in `os.execve` when the environment is concurrently mutated (GH-143314) (#143398)

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      miss-islington

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      picnixz

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    • [3.14] gh-143308: fix UAF when PickleBuffer is concurrently mutated in a callback (GH-143312) (#143396)

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14. Commits on Jan 2, 2026

    • [3.14] gh-143310: fix crash in Tcl object conversion with concurrent mutations (GH-143321) (#143343)

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      miss-islington

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      picnixz

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15. Commits on Jan 1, 2026

    • [3.14] gh-142830: prevent some crashes when mutating `sqlite3` callbacks (GH-143245) (#143322)

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      picnixz

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16. Commits on Dec 29, 2025

    • [3.14] gh-143200: fix UAFs in `Element.__{set,get}item__` when the element is concurrently mutated (GH-143226) (#143273)

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      miss-islington

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      picnixz

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17. Commits on Dec 25, 2025

    • [3.14] gh-143164: Fix incorrect error message for ctypes bitfield overflow (GH-143165) (GH-143176)

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      miss-islington

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      hyongtao-code

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    • [3.14] gh-143145: Fix possible reference leak in ctypes _build_result() (GH-143131) (GH-143169)

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      miss-islington

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      hyongtao-code

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    • [3.14] gh-143004: Fix possible use-after-free in collections.Counter.update() (GH-143044) (GH-143166)

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      miss-islington

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      Kaushalt2004

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18. Commits on Dec 23, 2025

    • [3.14] gh-122431: Correct the non-negative error message in `readline.append_history_file` (GH-143075) (GH-143090)

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      miss-islington

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      cla7aye15I4nd

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19. Commits on Dec 20, 2025

    • [3.14] gh-143012: use `Py_ssize_t` cast for `PyBytes_FromStringAndSize` (GH-143013) (#143014)

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      miss-islington

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      AZero13

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20. Commits on Dec 17, 2025

    • [3.14] gh-112127: Fix possible use-after-free in atexit.unregister() (GH-114092) (#142878)

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    • [3.14] gh-142783: Fix possible use after free in zoneinfo module (GH-142790) (GH-142862)

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      miss-islington

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      fatelei

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21. Commits on Dec 16, 2025

    • [3.14] gh-142495: Make `defaultdict` keep existed value when racing with `__missing__` (GH-142668) (GH-142832)

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      miss-islington

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      LindaSummer

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    • [3.14] gh-142595: Amend be5e0dcdedb (fix NULL pointer dereference) (GH-142775) (#142788)

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      miss-islington

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      skirpichev

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    • [3.14] gh-142594: fix by property calls io.TextIOWrapper.detach (GH-142706) (GH-142755)

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      cmaloney

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      yihong0618

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22. Commits on Dec 15, 2025

    • [3.14] gh-142595: add type check for namedtuple call during decimal initialization (GH-142608) (GH-142623)

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      miss-islington

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      skirpichev

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23. Commits on Dec 12, 2025

    • [3.14] gh-142531: Fix free-threaded GC performance regression (gh-142562) (gh-142617)

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      nascheme

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