New version is not far off the same. There is a few parts I think you don't really need to work on they are optional
Fuel & Tyre economy if left alone you would get the performance of the suppliers you signed in my opinion.
I think I recall Jack wrote in the blog posts tyre economy and fuel economy will be important too. It'd allow managers who develop these economy aspects to run far fewer stops than everybody else, providing a good advantage up against other managers in comparison. If wet tyres last as long as they do here in the new iGP, managers with these two attributes developed greatly could likely see an easy win on wet tracks.