I've tried this with fast, default and high. If I recall correctly Ultra Shadow Calculation doesn't get embedded into the map anyways so there's no reason to try. Besides, I wouldn't call a display size of 2500 a "high count of blocks" as stated in my previous post. Completely ignoring the...

By placing a lot of 4-6-1 and 4-6-2 as example you can easily force out the broken shadow calculation as shown in the picture below. You can see visible shadow edges between the blocks although there is no reason for a shadow to be there. These issues have been in the game for a couple of months alr...