https://arstechnica.com/gadgets/2019/06/apple-shares-its-vision-for-macos-10-15-catalina-cross-platform-apps-are-key/

SAN JOSE, Calif.—The next major operating system update for Apple's Mac computers will bring new apps, and a handful of quality life improvements, and most importantly, a far-reaching initiative to (at least partially) unify the app-development process across devices running iOS and macOS. This new initiative is at the heart of Apple's future macOS strategy and is a cornerstone of the newly announced macOS 10.15 Catalina update.

Here's what we learned at the company's Worldwide Developers Conference today.