Good thing I didn't say it was new.That's not new. I've seen it a few times in the past few years.
Not sure why you are quoting me and telling me all of this when I was replying to OP.Good thing I didn't say it was new.
Slowly Apple have dropped the gloss, made the borders thinner.
And currently we have:
A sharper font.
Now of course no one really knows what Ive has in store and the subtle change in the weather app may mean nothing, but this could serve as a hint of the type 'flat' interface iOS will shift to.
If you look at the OSX, it's design changes were subtle and gradual. Nothing like Windows 7 to Windows 8. Could iOS follow suit? Possibly!