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1. Commits on Oct 21, 2026

   • [3.15] gh-141004: Document remaining parts of the public C API (GH-159892) (GH-160067)

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2. Commits on Oct 8, 2025

   • gh-70030: Remove _PyCode_ConstantKey() function (#139735)

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3. Commits on Mar 17, 2025

   • GH-131238: Core header refactor (GH-131250)

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4. Commits on Jan 21, 2025

   • GH-127953: Make line number lookup O(1) regardless of the size of the code object (GH-128350)

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5. Commits on Dec 19, 2024

   • gh-127274: Defer nested methods (#128012)

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     mpage

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   • GH-122548: Implement branch taken and not taken events for sys.monitoring (GH-122564)

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6. Commits on Nov 21, 2024

   • Improve comment for co_nlocalsplus (#126993)

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7. Commits on Nov 4, 2024

   • gh-115999: Implement thread-local bytecode and enable specialization for `BINARY_OP` (#123926)

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     mpage

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8. Commits on Oct 30, 2024

   • gh-126072: do not add `None` to `co_consts` if there is no docstring (GH-126101)

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9. Commits on Oct 15, 2024

   • gh-124218: Use per-thread refcounts for code objects (#125216)

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     colesbury

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10. Commits on Oct 1, 2024

    • gh-116750: Add clear_tool_id function to unregister events and callbacks (#124568)

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11. Commits on Jul 13, 2024

    • gh-120642: Move _PyCode_CODE() to the internal C API (#121644)

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12. Commits on Jun 26, 2024

    • gh-120642: Move private PyCode APIs to the internal C API (#120643)

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13. Commits on May 1, 2024

    • gh-116767: fix crash on 'async with' with many context managers (GH-118348)

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      iritkatriel

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14. Commits on Apr 4, 2024

    • gh-116968: Reimplement Tier 2 counters (#117144)

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15. Commits on Mar 19, 2024

    • gh-115756: make PyCode_GetFirstFree an unstable API (GH-115781)

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16. Commits on Mar 5, 2024

    • chore: fix typos (#116345)

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      cuishuang

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17. Commits on Jan 5, 2024

    • GH-113486: Do not emit spurious PY_UNWIND events for optimized calls to classes. (GH-113680)

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18. Commits on Oct 4, 2023

    • GH-109369: Merge all eval-breaker flags and monitoring version into one word. (GH-109846)

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19. Commits on Sep 5, 2023

    • GH-108390: Prevent non-local events being set with `sys.monitoring.set_local_events()` (GH-108420)

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20. Commits on Jul 27, 2023

    • GH-106897: Add `RERAISE` event to `sys.monitoring`. (GH-107291)

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      markshannon

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21. Commits on Jul 22, 2023

    • GH-103082: Rename PY_MONITORING_EVENTS to _PY_MONITORING_EVENTS (#107069)

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22. Commits on Jun 2, 2023

    • GH-104584: Plugin optimizer API (GH-105100)

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23. Commits on Apr 12, 2023

    • GH-103082: Implementation of PEP 669: Low Impact Monitoring for CPython (GH-103083)

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      markshannon

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24. Commits on Mar 8, 2023

    • gh-102381: don't call watcher callback with dead object (#102382)

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      carljm

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25. Commits on Feb 28, 2023

    • gh-101101: Unstable C API tier (PEP 689) (GH-101102)

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26. Commits on Feb 20, 2023

    • gh-101907: Stop using `_Py_OPCODE` and `_Py_OPARG` macros (GH-101912)

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      zooba

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27. Commits on Jan 4, 2023

    • GH-100719: Remove the `co_nplaincellvars` field from code objects. (GH-100721)

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28. Commits on Dec 15, 2022

    • GH-100222: fix typo _py_set_opocde -> _py_set_opcode (GH-100259)

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29. Commits on Dec 14, 2022

    • GH-100222: Redefine _Py_CODEUNIT as a union to clarify structure of code unit. (GH-100223)

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30. Commits on Dec 9, 2022

    • GH-98522: Add version number to code objects. (GH-98525)

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      markshannon

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31. Commits on Dec 2, 2022

    • GH-91054: Add code object watchers API (GH-99859)

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      itamaro

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      Ye11ow-Flash

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32. Commits on Nov 28, 2022

    • Use _Py_RVALUE() in macros (#99844)

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      vstinner

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    • gh-89653: PEP 670: Convert macros to functions (#99843)

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33. Commits on Nov 2, 2022

    • GH-98686: Quicken everything (GH-98687)

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