Since the Flash 9 release in 2006 that came with AS3 there were only minor improvements. So the rapid development of the previous years did not last. The past d

Since the Flash 9 release in 2006 that came with AS3 there were only minor improvements. So the rapid development of the previous years did not last. The past did not predict the future. The new 3D API is maybe a 30% improvement in performance, it's mostly an improvement in swf size. Typed arrays rarely help. PixelBender looks like an early implementation, not a well supported feature. Alchemy isn't officially supported either, but it does some tasks well. These hacky features took years to appear, so Flash isn't evolving any faster than browsers at this point.