Who has seen this (the screen saver moving at about 3 times normal speed)? Yikes! Harmless enough, we presume.
I saw it once a few weeks ago, but since "66" I see it a lot. Maybe "6B" will fix that, and maybe that is what they mean by "stability fix".
Edited by TomCat, 17 April 2013 - 02:33 PM.