Not sure if you're serious about 1 update per year...iOS has ~4 major releases per year. (9.0, 9.1, 9.2, 9.3). Safari receives updates in each one. iOS 10.3, wh

Not sure if you're serious about 1 update per year...iOS has ~4 major releases per year. (9.0, 9.1, 9.2, 9.3). Safari receives updates in each one. iOS 10.3, which is in beta, comes with tons of Safari changes.