I took car in yesterday to fix a small panel alignment issue that was documented during delivery. I had 28.2 FW already installed. To my surprise, they installed 28.5 update for me after they fixed panel alignment. I didn't get a chance to look at the release notes but guess it is probably nothing anyway. Driving it this morning the only fix I noticed is on a nav bug. With the morning traffic, the nav on 28.2 sometimes kept recalculating the route 2-3 seconds after a route was just set. Restarting the screen did not fix it. With 28.5, I have not seen the same problem so far.