Created attachment 56898 [details] Sample The page in the URL is very slow to scroll. Sample shows lots of time in GraphicsContext::fillRoundedRect().
I am pretty sure there is an older bug about this in the database but I cannot find it at the moment.
(In reply to comment #1) > I am pretty sure there is an older bug about this in the database but I cannot find it at the moment. Typed in wrong bug :-)
Sample shows lots of time in RIPLayerGaussianBlur.
<rdar://problem/8447138>
*** This bug has been marked as a duplicate of bug 22102 ***