Name, OS, Size, Last Update. USB-MIDI Driver V1.5.0 for Mac macOS 13/12/11 (Intel/Apple silicon with Rosetta 2), Mac, 3.1MB, 2021-05-17.
https://usa.yamaha.com/products/contents/music_production/downloads/firmware_software/index.html?c=music_production&k=USB-MIDI