Reported by german AoI-board user Thora: When two objects slightly intersect, you can see "through" the covering object. This primarly happens in the animation preview (CTRL-P) but I was able to reproduce it in every editor window by disabling JOGL. To me, this looks like the Z-buffer range being to large (just a guess).
Well, the main problem is that it *always* happens in the animation preview, even with JOGL. Maybe it would be sufficient to use JOGL for that preview, too?
I attached a simple example to illustrate the problem.