No, the XBR...X900E with the X1 HDR processor supports HDR10, not Dolby Vision. Sony's X1 Extreme processor found in the range-topping Sony Z9D | LED | 4K Ultra HD | High Dynamic Range (HDR) | Smart TV (Android TV™), and the Sony X940E / X930E | LED | 4K Ultra HD | High Dynamic Range (HDR) | Smart TV (Android TV™), and soon the OLED A1 will support Dolby Vision with a firmware upgrade..