Hands on with Apple's first public beta of macOS 10.15 Catalina

Apple's macOS Catalina is another ambitious refinement of the Mac featuring a fundamental rethinking of iTunes and an infusion of fresh ideas from iOS: from Sidecar to Continuity Sketch to Screen Time, a whole new world of Catalyst apps from iPad, and many more features under the hood. But note: Catalina is still in beta!