MacOS Catalina is Apple's next desktop operating system
 

Where does macOS go from here? Sailing, apparently. Apple announced today that the next version of macOS (10.15) will be known as Catalina. And one of the big new features is a complete rethink of iTunes, which is now broken out into individual Music...

https://www.engadget.com/2019/06/03/macos-catalina/