Jony Ive has been working hard on revamping iOS 7 with a “flatter,” less skeuomorphic design, and Apple is trying to get everything together in time for WWDC in June. iOS 7 is rumored to be a pretty big departure from past versions due to Ive’s involvement. Many of former iOS chief Scott Forstall’s design choices have reportedly been undone by Ive, who prefers a more minimalist aesthetic than Game Center’s green felt.
We haven’t seen OS X 10.9 yet because Apple has been pulling engineers off the project to finish iOS 7 in time for this summer, according to multiple reports. But don’t fret, iOS 7 should still “should ship on time” later this year.