Switch workspace animation is broken with vertically stacked monitor configurations
If you arrange monitors in a way that extra monitor(s) is above/below the primary (workastations on primary only) than swith animations result in entering/leaving application windows flying over the non-primary monitor for a brief time. This looks really bad. Also with the current implementation the animation speed depends on the sum heights of the monitors. The larger the yDest value is the faster the windows fly in/out.