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1. Commits on Feb 14, 2026

   • gh-144822: remove redundant decref in `codegen.c` (#144823)

     benediktjohannes

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2. Commits on Feb 12, 2026

   • gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)

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3. Commits on Jan 31, 2026

   • gh-143055: Implementation of PEP 798 (#143056)

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     adqm

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     JelleZijlstra

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4. Commits on Jan 16, 2026

   • GH-143493: Conform to spec for generator expressions while supporting virtual iterators (GH-143569)

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     markshannon

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5. Commits on Jan 6, 2026

   • gh-142863: optimize `list` and `set` calls with generator expressions (#142864)

     kumaraditya303

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6. Commits on Sep 10, 2025

   • gh-138349: Fix crash when combining module-level annotation and listcomp (#138363)

     JelleZijlstra

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   • gh-138230: Remove dead code in code gen - codegen_check_annotation is only calle… (#138228)

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     DinoV

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7. Commits on Sep 2, 2025

   • gh-138372: Fix SyntaxWarning for erroneous t-string subscription (#138375)

     brianschubert

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8. Commits on Jul 21, 2025

   • gh-132661: Disallow `Template`/`str` concatenation after PEP 750 spec update (#135996)

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9. Commits on Jun 25, 2025

   • gh-135755: Move SPECIAL_ constants to a private header (GH-135922)

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     encukou

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10. Commits on May 27, 2025

    • GH-132554: "Virtual" iterators (GH-132555)

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      markshannon

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11. Commits on May 2, 2025

    • gh-133279: Assert with HAS_TARGET in the codegen_addop_j function (#133280)

      nybblista

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12. Commits on Apr 30, 2025

    • gh-132661: Implement PEP 750 (#132662)

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13. Commits on Apr 28, 2025

    • gh-130907: Treat all module-level annotations as conditional (#131550)

      JelleZijlstra

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14. Commits on Apr 11, 2025

    • GH-127682: Only call `__iter__` once in generator expressions. (GH-132351)

      markshannon

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    • gh-132261: Store annotations at hidden internal keys in the class dict (#132345)

      JelleZijlstra

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15. Commits on Mar 28, 2025

    • gh-131738: optimize builtin any/all/tuple calls with a generator expression arg (#131737)

      iritkatriel

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16. Commits on Mar 26, 2025

    • gh-130881: Handle conditionally defined annotations (#130935)

      JelleZijlstra

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17. Commits on Mar 19, 2025

    • gh-126835: Move constant tuple folding from ast_opt to CFG (#130769)

      WolframAlph

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18. Commits on Mar 17, 2025

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

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      markshannon

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19. Commits on Mar 14, 2025

    • gh-130480: Move duplicate `LOAD_SMALL_INT` optimization from codegen to CFG (#130481)

      WolframAlph

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20. Commits on Mar 13, 2025

    • gh-130080: move _Py_EnsureArrayLargeEnough to a separate header so it can be used outside of the compiler (#130930)

      iritkatriel

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21. Commits on Mar 12, 2025

    • gh-126835: Avoid creating unnecessary tuple when looking for constant sequence during constant folding (#131054)

      WolframAlph

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22. Commits on Mar 10, 2025

    • GH-123044: Give the `POP_TOP` after a case test a location in the body, not the pattern. (GH-130627)

      markshannon

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23. Commits on Mar 7, 2025

    • GH-128534: Fix behavior of branch monitoring for `async for` (GH-130847)

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      markshannon

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24. Commits on Mar 2, 2025

    • gh-130740: Move some `stdbool.h` includes after `Python.h` (#130738)

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      chouquette

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25. Commits on Feb 27, 2025

    • GH-128534: Instrument branches for `async for` loops. (GH-130569)

      markshannon

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26. Commits on Feb 25, 2025

    • GH-130396: Use computed stack limits on linux (GH-130398)

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      markshannon

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27. Commits on Feb 7, 2025

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

      iritkatriel

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28. Commits on Feb 4, 2025

    • gh-126835: Move constant subscript folding to CFG (#129568)

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      WolframAlph

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      iritkatriel

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29. Commits on Feb 1, 2025

    • gh-126835: Move optimization of constant sequence creation from codegen to CFG (#129426)

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30. 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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31. 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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32. 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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33. Commits on Jan 6, 2025

    • GH-128533: Add `NOT_TAKEN` instruction after bytecode optimization. (GH-128554)

      markshannon

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