You're right. Apple are very lucky:Rapist: I'm going to rape you. But you get to choose front or rear. What'll it be?Victim: Um...can I choose neither?Rapist: Sorry. It's gotta be one or the other. So which will it be?Victim: Um...front, I guess.Rapist: It's your lucky day. Front it is.Victim: Yay! Hooray for justice!
Hell, yes!Go here:https://www.apple.com/feedback/Select your device, fill out the form, and select the 'Bug Report' option.Apple likely doesn't read the AppleInsider forums in regards to bugs but I can guarantee you that they'll hear about your problem here.
Significant performance improvements to both overall system performance (approximately 5%) as well as internet access on my MBA 2011.
Quite a few of those little GUI shudders and jerks have disappeared with this update.