I think it would be cool if joystick jogging was enabled once the tool change popup is activated. I usually set my toolpath so that the router moves up high on z axis to make it easy to get the dust boot off, but then you have to probe the next bit so it takes ages for it to gradually lower down onto the probe pad. If jogging was enabled during this time you’d be able to quickly jog it down so that it was nearly there then hit probe for the last few mm.
Additionally, on the UI, it would be cool if there was an ETA “until next tool change” and some type of toolchange notification feature or sound/alarm? Maybe a push notification to your phone that says “hey, it’s me, your Onefinity, change the bloody tool I’m bored over here!”