We found a bad corona 10 behavior on a couple of situations involving corona AO and in other circumstances with round edges.
We narrow the problem on a combination of Corona AO and a specific color correction map being used.
and for the round edges it was a combination of a map and the non legacy (the legacy option was fine)
Non of this happens in corona 9
Corona 10.1 and 3dsmax 2023.3.3 win 10
We can share a private scene, its a big file..