They've landed "lazy frame construction" which improves rendering performance by an order of magnitude in some cases: http://tinikkel.wordpress.com/2010/05/24/l

They've landed "lazy frame construction" which improves rendering performance by an order of magnitude in some cases: http://tinikkel.wordpress.com/2010/05/24/lazy-frame-construction/ http://tinikkel.wordpress.com/2010/05/24/lazy-frame-construc...