The bold, vibrant colors are lovely. Update: It turns out that the same process for adding the Hello screen saver to an M1 Mac works on an Intel-based Mac running the macOS 11.3 beta too.

This year’s Worldwide Developers Conference was big. From dark mode in iOS 13 to the newly-rechristened iPadOS to the unveiling of the born-again Mac Pro and more, Apple’s annual week-long bonanza of ...