Please read the changelog to know the new features as well as some hints and good to know stuff before updating
This tool is tested on Windows 11 (Firefox) and MacOS - Intel and Silicon (Firefox, Safari won't work)
Chrome should work too
Plug your MM2 to your computer via USB while pressing down both A and B buttons
If you did this correctly, the screen should then say:
Firmware Updater
Send SYSEX (USB)
By default this script will update your MM2 to the latest available firmware
Downgrading is not recommended (at all) but if you have a good reason to do so, please choose a sysex file below:
Note: your browser might need a few seconds before detecting your connected MM2
If it doesn't after a few seconds, restart your browser