Apple achieved it with Mac OS X Snow Leopard. Apple then spent ~15 years un-achieving it. It started with iOS 7, and has culminated in the Liquid (Gl)ass era: a mess of unintuitive menus, terrible and inconsistent UI patterns, the lobotomite twins Siri & Apple Intelligence.
Although, surprisingly, built on top of absolutely incredible silicon.
Although, surprisingly, built on top of absolutely incredible silicon.