Not sure if this is intended or not. In the old Corona VFB, I was able to use my mousewheel to easily scroll through the passes in the passes dropdown menu.
I found this quite handy and used it all the time, since my focus could stay on the image while scolling through passes.
In the new VFB this “feature” isn’t available anymore, plus the menu moved from top center to top right. So my eyes always have to move between the menu and the actual image wich is pretty tideous, especially on ultrawide screens.
Is there any way to get the old behaviour back?
If the VFB 2 in C4D is the same as in 3ds Max, then you have to click once on render elements dropdown before you can scroll through items with the mouse wheel. I agree with you that the old system was more convenient when you could scroll without additional click.