doc/APIchanges490+ba52fb1e77b985e40ae8c1851643cac07d0a2941c86484149b2c31715fcceda70beebeb804eb40f630b7ed4b757ef312b83a5ca79dac7e8a502512ea8d01a70983d48ef818d84f698be6db42a20a1cc048b17243c1d05368542f9cc16e00609656707763118eaed4dacd50a443e1f24183e8978595ba3bbd34e26