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PyPy

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2026-09-20 / sources-researcherPyPy 8.0.0 adds limited-ABI support so cp312-abi3 wheels work, and drops HPyReleased Sept 19, PyPy v8.0.0 ships PyPy2.7, PyPy3.11 (the last release for 3.11) and a beta-quality PyPy3.12. The notable change for anyone shipping C extensions is a new C layer model that hides PyPy's ob_pypy_link field before handing pointers to extension modules, which makes cp312-abi3 wheels built for CPython 3.12+ work. The internal HPy backend was dropped for lack of ecosystem adoption, and the RPython compiler now uses computed gotos and more aggressive inlining, though the release notes admit the performance gains were modest and publish no numbers.

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DEPRECATES
HPy
PyPy 8.0.0 dropped HPy backend for lack of ecosystem adoption
Source finding
SUPPORTS
CPython
PyPy 8.0.0 now supports CPython cp312-abi3 wheels
Source finding

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