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1. Commits on Jun 20, 2025

   • [3.14] gh-135608: Add a null check for attribute promotion to fix a JIT crash (GH-135613) (#135739)

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     Fidget-Spinner

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     devdanzin

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     60fc42cView commit details

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2. Commits on May 5, 2025

   • GH-131798: Split CALL_LEN into several uops (GH-133180)

     diegorusso

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     9cc77aaView commit details

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3. Commits on Apr 27, 2025

   • gh-131798: JIT - Use `sym_new_type` instead of `sym_new_not_null` for _BUILD_STRING, _BUILD_SET (GH-132564)

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     Zheaoli

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     614d792View commit details

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4. Commits on Apr 26, 2025

   • gh-131798: JIT: Propagate the result in `_BINARY_OP_SUBSCR_TUPLE_INT` (GH-133003)

     tomasr8

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     5e96e4fView commit details

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5. Commits on Apr 25, 2025

   • gh-131798: JIT: Narrow the return type of _CALL_LEN to int (#132940)

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     diegorusso

     and

     tekknolagi

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     4c20f46View commit details

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6. Commits on Apr 24, 2025

   • GH-131798: Split up and optimize CALL_TUPLE_1 in the JIT (GH-132851)

     tomasr8

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     08e3389View commit details

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   • GH-131798: Split up and optimize CALL_STR_1 in the JIT (GH-132849)

     tomasr8

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     0a387b3View commit details

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7. Commits on Apr 22, 2025

   • GH-131798: JIT: Split CALL_TYPE_1 into several uops (GH-132419)

     tomasr8

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     a6a3dbbView commit details

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8. Commits on Apr 21, 2025

   • gh-131586: Avoid refcount contention in context managers (gh-131851)

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     colesbury

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     da53660View commit details

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   • GH-130415: Improve the JIT's unneeded uop removal pass (GH-132333)

     brandtbucher

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     4f7f72cView commit details

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9. Commits on Apr 18, 2025

   • GH-131498: Replace single-element arrays with scalars in bytecodes.c (GH-132615)

     brandtbucher

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     40ae889View commit details

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10. Commits on Apr 16, 2025

    • gh-131798: Use `sym_new_type` instead of `sym_new_not_null` for `_BUILD_LIST`, `_BUILD_SLICE`, and `_BUILD_MAP` (GH-132434)

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      Zheaoli

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11. Commits on Apr 9, 2025

    • GH-131798: Remove JIT guards for dict, frozenset, list, set, and tuple (GH-132289)

      brandtbucher

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      20926c7View commit details

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12. Commits on Apr 8, 2025

    • GH-131798: Narrow the result of _CONTAINS_OP_DICT to bool in the JIT (GH-132269)

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      Zheaoli

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      tomasr8

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      d753d8aView commit details

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    • GH-131798: Narrow the result type of _BINARY_OP_SUBSCR_STR_INT to str in the JIT (GH-132153)

      tomasr8

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13. Commits on Apr 5, 2025

    • GH-131798: Narrow the result of _CONTAINS_OP_SET to bool in the JIT (GH-132057)

      tomasr8

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      85bc489View commit details

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14. Commits on Apr 2, 2025

    • GH-131498: Cases generator: Parse down to C statement level. (GH-131948)

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      markshannon

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      ad053d8View commit details

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15. Commits on Apr 1, 2025

    • GH-131798: Allow the JIT to remove more int/float/str guards (GH-131800)

      brandtbucher

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      1a9d4a1View commit details

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    • gh-130704: Strength reduce `LOAD_FAST{_LOAD_FAST}` (#130708)

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      mpage

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      053c285View commit details

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16. Commits on Mar 30, 2025

    • GH-131798: Remove type checks for _TO_BOOL_STR (GH-131816)

      fluhus

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      685fd74View commit details

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17. Commits on Mar 27, 2025

    • GH-130415: Remove redundant sym_matches_type calls in the JIT optimizer (GH-131778)

      brandtbucher

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      972a295View commit details

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18. Commits on Mar 26, 2025

    • GH-131729: Code-gen better liveness analysis (GH-131732)

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      markshannon

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19. Commits on Mar 21, 2025

    • GH-130415: Optimize constant comparison in JIT builds (GH-131489)

      savannahostrowski

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      b92ee14View commit details

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20. Commits on Mar 20, 2025

    • GH-131498: Remove conditional stack effects (GH-131499)

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      markshannon

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21. Commits on Mar 6, 2025

    • GH-130903: typo in optimizer DSL for _GUARD_BOTH_UNICODE (#130904)

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      ordinary-jamie

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      10cdd7fView commit details

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22. Commits on Mar 4, 2025

    • GH-130415: Narrow str to "" based on boolean tests (GH-130476)

      fluhus

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      691354cView commit details

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    • GH-130415: Narrow int to 0 based on boolean tests (GH-130772)

      Klaus117

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      c989e74View commit details

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23. Commits on Mar 2, 2025

    • GH-130415: Use boolean guards to narrow types to values in the JIT (GH-130659)

      brandtbucher

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      7afa476View commit details

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24. Commits on Feb 28, 2025

    • GH-130296: Avoid stack transients in four instructions. (GH-130310)

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      markshannon

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      54965f3View commit details

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25. Commits on Feb 7, 2025

    • gh-100239: replace BINARY_SUBSCR & family by BINARY_OP with oparg NB_SUBSCR (#129700)

      iritkatriel

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      a1417b2View commit details

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    • GH-129709: Clean up tier two (GH-129710)

      brandtbucher

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      70e387cView commit details

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26. Commits on Feb 3, 2025

    • GH-128682: Make `PyStackRef_CLOSE` escaping. (GH-129404)

      markshannon

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      808071bView commit details

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27. Commits on Jan 27, 2025

    • GH-128914: Remove all but one conditional stack effects (GH-129226)

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      markshannon

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      75b4962View commit details

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28. Commits on Jan 23, 2025

    • Revert "GH-128914: Remove conditional stack effects from `bytecodes.c` and the code generators (GH-128918)" (GH-129202)

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      colesbury

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      a10f993View commit details

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29. Commits on Jan 20, 2025

    • GH-128914: Remove conditional stack effects from `bytecodes.c` and the code generators (GH-128918)

      markshannon

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      ab61d3fView commit details

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