I'm worried about ios 9 breaking games and causing other kinks that need to be ironed out. I have an iPad Air 2 and I would love to start having some split screen action. Should I upgrade now? Is now a good time?
I don't play a lot of mobile games any more, but Game Center seems to still work on my iPhone 6. At least I can launch the Game Center app and it works fine. And overall it's a real nice update. Now on my iPad 2, that thing is dog slow, but it was dog slow with iOS 8 too. They never should have claimed that iOS 8 worked on the iPad 2.
There is a current bug with Game Centre on iOS 9. I don't think most people are affected, but some are. My iPad is fine, but my iPhone can't open Game Centre and hangs when I try to delete any game that has it.
My Game Center is fine, but I never get achievements. I only check gamecenter to look at my friends list and see that my score has increased.