Earlier today, Apple released macOS Catalina 10.15 beta 6 for developers, build 19A536g.
The release of beta 6 comes 18 days after beta 5 of macOS Catalina was made available for developers.
Apple will release the final version of macOS 10.15 to its customers this fall, alongside final releases of iOS 13, iPadOS 13, tvOS 13 and watchOS 6.
According to Apple, this is the overview of what Catalina will offer:
macOS Catalina gives you more of everything you love about Mac. Experience music, TV and podcasts in three all?new Mac apps. Enjoy your favourite iPad apps now on your Mac. Extend your workspace and expand your creativity with iPad and Apple Pencil. And discover smart new features in the apps you use every day. Now you can take everything you do above and beyond.