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@Elbo in my minimal testing, program change seems to work nicely if connected. received changes initiated on the synth and displayed them in the device as well as allowing the device to initiate program changes :) 
we can solve the midi feedback loop if we remove the direct line from delGate to midiout and place a midiparse after midiformat. then do not pass cc values from midiparse to midiformat. see screenshot at https://imgur.com/LsMf1G1

extra special thanks to orfeas at dreadbox for helping me to work out this solution and thank u so much for this tool!