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Commits on Mar 18, 2026

• gh-144888: JIT executor bloom filter wide-type optimization and function Inlining (GH-146114)

  cocolato

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Commits on Mar 17, 2026

• gh-146058: Fix _GUARD_CODE_VERSION_* (GH-146060)

  Fidget-Spinner

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Commits on Mar 16, 2026

• gh-127958: Trace from RESUME in the JIT (GH-145905)

  Fidget-Spinner

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• gh-144888: Replace bloom filter linked lists with continuous arrays to optimize executor invalidating performance (GH-145873)

  cocolato

  authored
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Commits on Mar 10, 2026

• gh-144681: Fix JIT trace builder assertion failure when conditional branch jump target coincides with fallthrough target (GH-144742)

  cocolato

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Commits on Mar 9, 2026

• GH-144688: Fix refleaks in JIT when optimization fails (GH-145420)

  markshannon

  authored
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Commits on Feb 22, 2026

• gh-145064: Fix JIT assertion failure during CALL_ALLOC_AND_ENTER_INIT side exit (GH-145100)

  cocolato

  authored
  fd01372

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• Fix warnings on main (GH-145104)

  chris-eibl

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Commits on Feb 19, 2026

• GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)

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  markshannon

  authored
  3f37b94

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Commits on Feb 14, 2026

• fix warnings in jit builds (GH-144817)

  chris-eibl

  authored
  caac966

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• remove unused _PyFunction_LookupByVersion (GH-144814)

  chris-eibl

  authored
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Commits on Feb 5, 2026

• GH-144179: Use recorded values to make optimizer more robust (GH-144437)

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  markshannon

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  b53fc7c

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Commits on Feb 2, 2026

• GH-144179: Add value recording to JIT tracing front-end (GH-144303)

  markshannon

  authored
  141fd8b

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Commits on Feb 1, 2026

• Fix unused variable 'COLORS' warning in optimizer.c (#144373)

  aisk

  authored
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Commits on Jan 24, 2026

• Misc: remove duplicate `instr_frame` assignment in `_PyJit_TryInitializeTracing` (GH-144155)

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  hyongtao-code

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Commits on Jan 22, 2026

• GH-139109: Partial reworking of JIT data structures (GH-144105)

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  markshannon

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Commits on Jan 20, 2026

• gh-141504: Move PYTHON_UOPS_OPTIMIZE to policy object (GH-144082)

  corona10

  authored
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Commits on Jan 17, 2026

• gh-143421: Use new buffer to save optimized uops (GH-143682)

  cocolato

  authored
  b4b7324

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Commits on Jan 15, 2026

• gh-141504: Refactor policy object into a single opt_config (gh-143644)

  corona10

  authored
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Commits on Jan 14, 2026

• GH-143842: Make optimizer color table static (GH-143846)

  mmangkad

  authored
  499706b

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• gh-143123: Protect against recursive tracer calls/finalization (GH-143126)

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  Fidget-Spinner

  authored
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• GH-143613: Add colours and some more edges to executor visualization graph (GH-143809)

  markshannon

  authored
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• gh-138050: Use cold flag instead of warm flag in `MAKE_WARM` (GH-143827)

  cocolato

  authored
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Commits on Jan 10, 2026

• gh-143604: Hold strong reference to executor during JIT tracing (GH-143646)

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  Zheaoli

  and

  Fidget-Spinner

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  e2f0160

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Commits on Jan 9, 2026

• gh-143421: Allocate all JIT state in one go (GH-143626)

  Fidget-Spinner

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• gh-143421: Lazily allocate tracer code and opt buffers (GH-143597)

  Fidget-Spinner

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Commits on Jan 8, 2026

• gh-143421: Move `JitOptContext` from stack allocation to per-thread heap allocation (GH-143536)

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  cocolato

  and

  kumaraditya303

  authored
  aeb3403

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Commits on Jan 3, 2026

• gh-141504: Factor out tracing and optimization heuristics into a single object (gh-143381)

  corona10

  authored
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Commits on Dec 29, 2025

• gh-143183: Link trace to side exits, rather than stop (GH-143268)

  Fidget-Spinner

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Commits on Dec 28, 2025

• gh-143183: Rewind stop tracing to previous target (GH-143187)

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  Fidget-Spinner

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  kumaraditya303

  authored
  daa9aa4

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Commits on Dec 24, 2025

• gh-143092: Make CALL_LIST_APPEND and BINARY_OP_INPLACE_ADD_UNICODE normal instructions (GH-143124)

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  Fidget-Spinner

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Commits on Dec 23, 2025

• GH-143026: Fix assertion error in executor management. (GH-143104)

  markshannon

  authored
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Commits on Dec 22, 2025

• gh-139109: Add terminator to JIT code when halting due to invalid dependencies (#143033)

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  Fidget-Spinner

  and

  blurb-it[bot]

  authored
  665d280

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• GH-142513: fix missing return in executor_clear (GH-143073)

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  chris-eibl

  authored
  700e9fa

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• gh-142476: Fix Windows crashing with JIT (GH-143021)

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  Fidget-Spinner

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  9ded3dd

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