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gh-139038: Add JIT What's New for 3.15 - #142845

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savannahostrowski:jit-whats-new
Dec 17, 2025
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gh-139038: Add JIT What's New for 3.15#142845
hugovk merged 12 commits into
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savannahostrowski:jit-whats-new

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@savannahostrowskisavannahostrowski commented Dec 16, 2025•
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@savannahostrowskisavannahostrowski added docs Documentation in the Doc dir skip issue labels Dec 16, 2025
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Fidget-Spinner commented Dec 16, 2025

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Full disclosure: I wrote this together with Savannah. So I'd prefer a 3rd party approve.

@picnixzpicnixz changed the title Add JIT What's New for 3.15gh-139038: Add JIT What's New for 3.15Dec 16, 2025
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brief review, but largely looks great!

A

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savannahostrowskiand others added 2 commits December 16, 2025 18:09
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Thanks!

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hugovk enabled auto-merge (squash) December 17, 2025 12:13
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hugovk merged commit 1fc3039 into python:mainDec 17, 2025
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Comment threadDoc/whatsnew/3.15.rst
experience lower memory usage for generated machine code and more efficient
machine code versus the old JIT.

(Contributed by Brandt Bucher in :gh:`136528` and :gh:`136528`.

@hugovkhugovkApr 17, 2026

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I just noticed these are the same PR number. What should the other one be? (And we generally link to issues.)

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I think 135905

@hugovkhugovkApr 17, 2026

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Thanks, fixed in #148686.

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