Louigi Verona wrote:
Is it a platform specific thing?
No, it isn't. There's something wrong for your install. I tested it
with Virtual Keyboard playing Calf Organ by JACK MIDI. I used the
mouse and the "qwerty" keyboard and both were ok. The notes were hold
and not triggered again and again. It deosn't matter if I played
single notes or two notes in unison.