I am at my wits end with this thing. I have tried via a MioXM, an E-MU USB-MIDI adapter, and a CME USB MIDI PRO to get the connection over DIN working. No matter what the Messenger Editor says it is not connected. But I can talk to the Messenger fine with other apps over the same connections, and send it CCs.
I can connect to it over USB but that is a hot mess too. For example my KB OCTAVE buttons just jump randomly around every few seconds. This is why I wanted to try DIN MIDI.
I’m glad they released an editor, but its pretty bad compared to previous synths. Expression Mod Assign is broken; maybe other things; don’t think they tested this much.