I just updated the firmware for both my CS18ai and RML16ai.
Things are talking to each other right afterwards.
When I control Studio One 4 with the CS18 it's not remembering the fader positions for songs. And when I switch back and forward to the RML Live Mixer and DAW the same thing happens. No memory of the automation.
[Just a note, I had issues with the CS18 not communicating with S1 over a year ago and it turned out to be AVG that was blocking. This isn't happening now as I disable AVG now when I'm producing.]