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1. Commits on Apr 11, 2026

   • gh-148211: decompose `_POP_TWO/_POP_CALL(_ONE/_TWO)` in JIT (GH-148377)

     NekoAsakura

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     9831deaView commit details

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   • gh-148171: Convert variadic argument opcodes to leave their arguments on the stack (`CALL_BUILTIN_FAST_WITH_KEYWORDS`) (#148366)

     Sacul0457

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     e872c19View commit details

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   • gh-148171: convert more variadic uops to leave input on stack in JIT (#148361)

     kumaraditya303

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     2b439daView commit details

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2. Commits on Apr 10, 2026

   • gh-131798: split `_CALL_BUILTIN_CLASS` to smaller uops (#148094)

     kumaraditya303

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     8f17140View commit details

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   • gh-148171: Convert CALL_BUILTIN_FAST to leave inputs on the stack for refcount elimination in JIT (GH-148172)

     Fidget-Spinner

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     266247cView commit details

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   • gh-148211: decompose `[_POP_CALL_X/_SHUFFLE_2]_LOAD_CONST_INLINE_BORROW` in JIT (GH-148313)

     NekoAsakura

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     aea0b91View commit details

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3. Commits on Apr 9, 2026

   • gh-148211: decompose `_INSERT_1_LOAD_CONST_INLINE(_BORROW)` in JIT (GH-148283)

     NekoAsakura

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     0f49232View commit details

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   • gh-134584 : Optimize and eliminate redundant ref-counting for `MAKE_FUNCTION` in the JIT (GH-144963)

     Sacul0457

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     38d3aefView commit details

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   • gh-131798: fold super method lookups in JIT (#148231)

     kumaraditya303

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     458aca9View commit details

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   • gh-148211: refactor bool to explicit uops in JIT (GH-148258)

     NekoAsakura

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     b5ccf00View commit details

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4. Commits on Apr 8, 2026

   • gh-148210: fix incorrect `_BINARY_OP_SUBSCR_DICT` JIT optimization (GH-148213)

     kumaraditya303

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     6e08161View commit details

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   • gh-145866: Convert `_CALL_METHOD_DESCRIPTOR_NOARGS` to leave its inputs on the stack to be cleaned up by _POP_TOP (GH-148227)

     Sacul0457

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     bb03c8bView commit details

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   • gh-148211: decompose `_POP_TOP_LOAD_CONST_INLINE(_BORROW)` in JIT (GH-148230)

     NekoAsakura

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     d2fa4b2View commit details

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   • gh-148235: remove duplicate uops `_LOAD_CONST_UNDER_INLINE(_BORROW)` in JIT (GH-148236)

     NekoAsakura

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     7563585View commit details

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5. Commits on Apr 6, 2026

   • gh-100239: Propagate type info through _BINARY_OP_EXTEND in tier 2 (GH-148146)

     eendebakpt

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     efda60eView commit details

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6. Commits on Apr 5, 2026

   • Silence `unused-variable` warnings in `optimizer_cases.c.h` (#148127)

     StanFromIreland

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     d6e0445View commit details

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7. Commits on Apr 4, 2026

   • gh-148083: Prevent constant folding when lhs is container types (gh-148090)

     corona10

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     853dafeView commit details

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   • gh-148083: Constant-fold _CONTAINS_OP_SET for frozenset (gh-148084)

     corona10

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     289f19aView commit details

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   • gh-148078: Fix uses of sym_is_not_null in JIT optimizer (GH-148079)

     Fidget-Spinner

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     c50d6cdView commit details

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   • gh-131798: split recursion check to _CHECK_RECURSION_LIMIT and combine checks (GH-148070)

     kumaraditya303

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     e7bf8eaView commit details

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   • gh-131798: relax GUARD_CALLABLE checks for self type checks (#148069)

     kumaraditya303

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     7bcc1c4View commit details

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   • gh-131798: JIT inline function addresses of builtin methods (#146906)

     kumaraditya303

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     7e275d4View commit details

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8. Commits on Apr 3, 2026

   • gh-146640: Optimize int operations by mutating uniquely-referenced operands in place (JIT only) (GH-146641)

     eendebakpt

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     48317feView commit details

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9. Commits on Mar 30, 2026

   • gh-146558: JIT optimize dict access for objects with known hash (#146559)

     kumaraditya303

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     8e9d21cView commit details

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10. Commits on Mar 28, 2026

    • gh-146381: Constant-fold frozendict subscript lookups via REPLACE_OPCODE_IF_EVALUATES_PURE (gh-146490)

      corona10

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      5992238View commit details

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11. Commits on Mar 27, 2026

    • gh-145866: Convert `LIST_EXTEND` to leave its inputs on the stack to be cleaned up by `_POP_TOP` be cleaned up by `_POP_TOP` (GH-146383)

      NekoAsakura

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      a492d9fView commit details

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12. Commits on Mar 26, 2026

    • gh-131798: JIT: split call method and call builtin opcodes into smaller uops (#146463)

      kumaraditya303

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      bfdaa3cView commit details

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    • gh-145866: Convert `DICT_UPDATE` to leave its inputs on the stack to be cleaned up by `_POP_TOP` (GH-146190)

      Sacul0457

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      1516c26View commit details

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    • gh-145866: Convert `_CALL_INTRINSIC_2` to leave its inputs on the stack to be cleaned up by `_POP_TOP` (GH-146262)

      KevinH15291

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      f5364aeView commit details

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13. Commits on Mar 24, 2026

    • gh-146306: JIT: Optimize float operations by mutating uniquely-referenced operands in place (GH-146307)

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      eendebakpt

      and

      claude

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      951675cView commit details

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    • gh-145866: Convert `DICT_MERGE` to leave its inputs on the stack to be cleaned up by `_POP_TOP` (GH-146329)

      NekoAsakura

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      6d73bc2View commit details

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14. Commits on Mar 22, 2026

    • gh-143414: Implement unique reference tracking for JIT, optimize unpacking of such tuples (GH-144300)

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      reidenong

      and

      Fidget-Spinner

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      e36f8dbView commit details

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15. Commits on Mar 21, 2026

    • GH-145667: Merge `GET_ITER` and `GET_YIELD_FROM_ITER` (GH-146120)

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      markshannon

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      879c85fView commit details

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16. Commits on Mar 20, 2026

    • gh-146099: Optimize _GUARD_CODE_VERSION+IP via function version symbols (GH-146101)

      Fidget-Spinner

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      acfb452View commit details

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17. Commits on Mar 19, 2026

    • gh-131798: JIT: optimize _LOAD_COMMON_CONSTANT (GH-146104)

      trdthg

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      98977caView commit details

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