Originally Posted by Kalud
The ISO is for isolated boost control. The update gives better boost control, a lot smoother and more accurate. But... Nothing more basically... You won't get more power, just a better response overall.
This makes sense, which explains why FBO+ won't feel any change. I have tons of logs, I'll log some more tomorrow, but I suspect the boost curve will be more linear and not have as many spikes/dips. I can see that as an improvement...