After updating to Chrome 56, I'm still able to use the computer keyboard to trigger notes, and the demo buttons work as expected, but MIDI input seems to be ignored and nothing happens after selecting a MIDI file from the drop-down and pressing "play".
When using Chromium 55.0.2883.95 (which works), this message appears in the console, which may or may not be related:
After updating to Chrome 56, I'm still able to use the computer keyboard to trigger notes, and the demo buttons work as expected, but MIDI input seems to be ignored and nothing happens after selecting a MIDI file from the drop-down and pressing "play".
When using Chromium 55.0.2883.95 (which works), this message appears in the console, which may or may not be related: