Just a quick observation - don't know if anyone else has experienced this. (latest beta)
Been playing around with and designing patches all day, and I just had a weird instance where the Pro-3 would basically play ANY patch I selected all by itself. No Hold was engaged, and the synth was essentially "hanging the note". Cycling through any patch, and it would immediately continue the same behavior.
However if I pressed any key on the keyboard it would go silent, until I lifted my finger off the key, and then it would go back to playing again by itself. It was basically operating in total reverse. I had to reboot the synth to stop it.
First time I've seen this in 7 weeks of having the synth.