doc/APIchanges420+e96c3b8d2962e971d008e2a3c36e1ef9e83e680c7394006039f17685970c7d9ba3e33131e0b5d69e73362e5c8b0c5fca01932ff708a4c08694c4ad213a72d962227a7c67690f1b58f13a54f03bf6ee61fcc923727448afce925a82f134b5e0dceefc4a993339e500ef874390eac293b6194be1f548278000759d7