it already has in one sense. From all the complaints of "new iPad sucks" or "horrible upgrade" or the one I chuckled at "for the first time, I am disappointed in an apple update" Really people? I think this is a great update. They can't just add everything in at once because then there would be nothing to update!
Honestly, the only things I noticed aren't big deals and a blogger already posted them. The colors are warmer, which I like. And the bottom left corner gets warm, not hot, when plugged in. But I honestly love it!
Strangely enough...mine seems perfect. Like another poster, I like the warmer colors. I cannot tell what little difference there is in size or weight. The engraving was perfect, it has no dents or scratches, and there are no light leaks. My only issue is the the App store servers are overloaded...I am sure that they'll free up later.