PEP 803: Updates based on Discourse discussion#4594
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encukou merged 2 commits intopython:mainfrom Sep 19, 2025
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- Use the more explicit tag `abi3.abi3t` to allow possibly expanding compatibility to 3.14 - Turn `Py_SIZE` & `Py_SET_SIZE` to functions, don't remove them - Add a table of compatibiity between extensions & interpreters - 2 more of the steps are now implemented. (They make sense on their own and are small enough to not need a PEP, but it does make sense to “collect” them in the PEP.)
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abi3.abi3tto allow possibly expanding compatibility to 3.14Py_SIZE&Py_SET_SIZEto functions, don't remove them📚 Documentation preview 📚: https://pep-previews--4594.org.readthedocs.build/
PEP 123: Summary of changes)