1. Allow to change source channels on Channel Mapping.
That way it would be quick and easy to create layered sounds by adressing several Midi-Out Channels with only 1 Input channel, without the need to create a seperate Midi-In.
In case of needing different Event Blocking or Splits you still could use a seperate Midi-In.
2. Add +/- 12 semitone transpose
3. Optimize Keyboard split learn function
To be honest I still love the way Forte is doing this. In Forte you only have one learn button to set the range. After clicking that, the only thing you need to do is to hit the low note and then the high note. Done.If GP could do it that way it would be perfect.
If not it would also be helpful to deactivate automatically the learn function as soon as the note has been hit.