by default is the key. You can choose duck duck go, but you have to navigate through settings -> apps -> safari first.
also you cannot enable private browsing by default. You have to turn it on manually, and updating safari will reset all that.
also you cannot enable private browsing by default. You have to turn it on manually, and updating safari will reset all that.
And I think a typical user, generally, would expect that a browser saves history and so on by default. People like AutoFill!