The overlays are spectacular in functionality and the 5 stars are well deserved, even if I have a small problem.
It turns out that in the Leaderboard (regardless of class or multi-class), Practice and Qualy are perfect, but in Race the GAP is set by whoever has the fastest lap.
Imagine that the 7th has the fastest lap, then the positions are not changed but the GAP is in line with the fastest lap of the 7th with respect to the personal fastest laps of the rest.