There's already PEP 640, targeted for 3.10, that seems will break C-API compatibility. https://www.python.org/dev/peps/pep-0620/#the-c-api-blocks-cpython-evolu

There's already PEP 640, targeted for 3.10, that seems will break C-API compatibility. https://www.python.org/dev/peps/pep-0620/#the-c-api-blocks-cpython-evolutions https://www.python.org/dev/peps/pep-0620/#the-c-api-blocks-c... This seems like the first step towards such improvements, but I guess recompiling libraries will be mandatory, and already existing wheels won't be valid for Python 3.10 Isn't this more scary than the Python 3 migration?