The drop shadow effect is very buggy in the editor and has been for quite some time. I just dealt with it for the longest time but it seriously slows down production when I'm constantly having to "fix" it by making a change to the text then Undoing it (i.e. delete a character, then press Command+Z). The bug happens when Drop Shadow is applied to text and you scroll down the page a bit. The attached images show the before and after. If I scroll down the page after "fixing" it, it just re-bugs out. I work with white text so drop shadow is imperative for me to see the text against the white background of the page. Please fix this, it's been an issue for quite some time now, and apparently after looking through the forum it's not just with text either. Drop Shadow seems to be very buggy all around, which sucks because it's a fairly common effect that people use. Please help!