v3.15.0a3
gh-134160: Split extension module init from PyModule docs; emphasize multi-phase init (GH-135126)
gh-134160: Use multi-phase init in documentation examples (#134296)
gh-141004: Document `PyImport_Inittab` (GH-141844)
gh-133678: Document C API third party tools (#134526)
gh-134786: raise error if `Py_TPFLAGS_MANAGED_WEAKREF` or `Py_TPFLAGS_MANAGED_DICT` is used without `Py_TPFLAGS_HAVE_GC` set (#135863)
Docs: Fix duplicate word typos (GH-135958)
gh-134830: Fix reference in `Doc/extending/windows.rst` (GH-134831)