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1. Commits on Oct 14, 2026

   • gh-159431: Handle immortal objects in _PyObject_XDecRefDelayed() (gh-159433)

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     nascheme

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2. Commits on Oct 7, 2026

   • gh-136872: Build pymalloc in sanitizer builds, but disable it by default (GH-157934)

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     vasiliyk

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3. Commits on Sep 15, 2026

   • gh-157495: Implement Py_MIN/MAX/ABS using typeof() (#157496)

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     vstinner

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4. Commits on Jun 12, 2026

   • gh-151297: Fix undefined behavior in `_PyObject_MiRealloc` (GH-151358)

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     godlygeek

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5. Commits on Apr 30, 2026

   • gh-144319: Use transparent huge pages via `madvise(MADV_HUGEPAGE)` in pymalloc (#144353)

     maurycy

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6. Commits on Apr 5, 2026

   • gh-144319: Fix huge page leak in datastack chunk allocator (#147963)

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     pablogsal

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7. Commits on Mar 9, 2026

   • gh-145615: Fix mimalloc page leak in the free-threaded build (gh-145626)

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     colesbury

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8. Commits on Feb 18, 2026

   • gh-144914: use `mimalloc` for raw allocations on free-threading (#144916)

     kumaraditya303

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9. Commits on Jan 30, 2026

   • gh-144319: Fix huge page safety in pymalloc arenas (#144331)

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     pablogsal

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10. Commits on Jan 29, 2026

    • gh-144319: Add huge pages support for pymalloc (#144320)

      pablogsal

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11. Commits on Jan 6, 2026

    • gh-132070: Fix PyObject_Realloc thread-safety in free threaded Python (gh-143441)

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      colesbury

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12. Commits on Dec 18, 2025

    • gh-142419: Add mmap.set_name method for user custom annotation (gh-142480)

      corona10

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13. Commits on Dec 8, 2025

    • gh-141770: Annotate anonymous mmap usage if "-X dev" is used (gh-142079)

      corona10

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14. Commits on Aug 25, 2025

    • GH-131033: Enable the optimizing macros UNLIKELY and LIKELY for Clang (GH-131019)

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      chris-eibl

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15. Commits on Jun 25, 2025

    • GH-133136: Revise QSBR to reduce excess memory held (gh-135473)

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      nascheme

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      colesbury

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16. Commits on Jun 17, 2025

    • gh-133931: Introduce _PyObject_XSetRefDelayed to replace Py_XSETREF (gh-134377)

      corona10

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17. Commits on May 27, 2025

    • gh-134679: Fix assertion failure in QSBR (gh-134811)

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      colesbury

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18. Commits on Mar 25, 2025

    • gh-131719: add NULL pointer check to `_PyMem_FreeDelayed` (gh-131720)

      tom-pytel

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19. Commits on Mar 24, 2025

    • gh-128421: Avoid TSAN warnings in `sys._current_frames()` (gh-131548)

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      colesbury

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20. Commits on Mar 21, 2025

    • gh-131238: Remove pycore_object_deferred.h from pycore_object.h (#131549)

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      vstinner

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21. Commits on Mar 17, 2025

    • GH-131238: More refactoring of core header files (GH-131351)

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      markshannon

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22. Commits on Mar 4, 2025

    • gh-130794: Process interpreter QSBR queue in _PyMem_AbandonDelayed. (gh-130808)

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      colesbury

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23. Commits on Feb 26, 2025

    • gh-130519: Fix crash in QSBR when destructor reenters QSBR (gh-130553)

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      colesbury

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24. Commits on Feb 20, 2025

    • gh-111924: Fix data races when swapping allocators (gh-130287)

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      colesbury

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25. Commits on Feb 12, 2025

    • gh-130030: Fix crash on 32-bit Linux with free threading (gh-130043)

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      colesbury

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26. Commits on Jan 20, 2025

    • gh-128360: Add `_Py_AssertHoldsTstate` as assertion for holding a thread state (#128361)

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      ZeroIntensity

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      kumaraditya303

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27. Commits on Dec 6, 2024

    • gh-127314: Don't mention the GIL when calling without a thread state on the free-threaded build (#127315)

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      ZeroIntensity

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      vstinner

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28. Commits on Nov 21, 2024

    • gh-114940: Add _Py_FOR_EACH_TSTATE_UNLOCKED(), and Friends (gh-127077)

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      ericsnowcurrently

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    • gh-124470: Fix crash when reading from object instance dictionary while replacing it (#122489)

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      DinoV

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29. Commits on Aug 8, 2024

    • gh-122697: Fix free-threading memory leaks at shutdown (#122703)

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      colesbury

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30. Commits on Jul 10, 2024

    • gh-121460: Skip freeing unallocated arenas (gh-121491)

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      stefanor

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31. Commits on Jun 24, 2024

    • Fix typos in comments (#120821)

      xyb

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32. Commits on Mar 8, 2024

    • gh-112075: Support freeing object memory via QSBR (#116344)

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      DinoV

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33. Commits on Mar 6, 2024

    • gh-115103: Delay reuse of mimalloc pages that store PyObjects (#115435)

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      colesbury

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34. Commits on Feb 28, 2024

    • gh-115891: Fix debug byte filling in free-threaded build (#116018)

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      colesbury

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