Coming from the PEP793 discussion, PEP 793 – PyModExport: A new entry point for C extension modules - #30 by steve.dower
it seems like this is the PEP together with PEP 809: Stable ABI for the Future we should be tracking more than PEP793 for now, since it is touching also other types that we use, and, potentially will impact the number of SciPy binaries we are currently providing, as of now around 60ish Release SciPy 1.16.2 · scipy/scipy · GitHub .