doc/APIchanges770+80e18bba5f44bc6ddb109252d6206fd15d619ed3e3cc17b43f7cafb5c312bfa1fb9b2acc48409e7c5e17541d75f28eaf46e0a403ea7dd933079b7f6748d4818e8219ec25334027f274626e0e393188696f613f2397a407f268ff176fe2641c4845610b48ddc3430086cca447681a9126560eb71e37551131d2039