The specification defines the physical layer (electrical signaling) and the protocol layer (data packaging) for transmitting video data and control commands.
Added expanded command modes and longer video packet lengths. mipi dsi specification pdf
A major evolution supporting UHD (4K/8K) resolutions and advanced physical layers like C-PHY . Architecture and Layers mipi dsi specification pdf
The latest update to the original DSI line. mipi dsi specification pdf