Apple is releasing macOS Catalina in October
https://techcrunch.com/2019/09/10/apple-is-releasing-macos-catalina-in-october/
After a summer of beta test, Apple is about to release the next major version of macOS, macOS Catalina. But not so fast, the new version will arrive in October, according to Apple’s updated website.
As always, this update will be available as a free download in the Mac App Store.