09-11-2016, 02:54 PM
I didn't really change much code related to sending MIDI commands, so I'd be really surprised if something suddenly stopped working with version 1.5.9. The most significant change is to patch commands where you can now specify whether or not to include MSB, LSB and the program change values individually. I'm assuming you are sending the KORG number command though, right? That should be completely unaffected by the changes in v1.5.9. I would like to hear from other users whether they've encountered any issues though.