Issue #19526: Exclude all new API from the stable ABI.
diff --git a/Include/object.h b/Include/object.h
index f539652..a278465 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -533,8 +533,10 @@
 PyAPI_FUNC(int) PyCallable_Check(PyObject *);
 
 PyAPI_FUNC(void) PyObject_ClearWeakRefs(PyObject *);
+#ifndef Py_LIMITED_API
 PyAPI_FUNC(void) PyObject_CallFinalizer(PyObject *);
 PyAPI_FUNC(int) PyObject_CallFinalizerFromDealloc(PyObject *);
+#endif
 
 /* Same as PyObject_Generic{Get,Set}Attr, but passing the attributes
    dict as the last parameter. */