Well that doc is in the iOS Developer Library, so I'd have to assume it's iOS only. I read through a chunk of it, no mention of OSX (or, for that matter, iOS).

Well that doc is in the iOS Developer Library, so I'd have to assume it's iOS only. I read through a chunk of it, no mention of OSX (or, for that matter, iOS). Quite possible it's rolling out on iOS and will be expanded in reach to cover OSX in the future.