iOS 18 has officially been announced. The update includes new home screen customization, improvements to dark mode, and more. Head below for a full roundup of everything new in iOS 18 this year for iPhone users. New home screen customization: new theming option for app icons, you can place app icons anywhere, and automatically tint icons with dark mode. Revamped Control Center with a multipage layout. There’s also a new “Controls Gallery,” which will also let third-party developers offer widgets...