Apple has released today, together with the public beta of macOS Big Sur, also the fourth beta of macOS Catalina 10.15.6 for developers.

macos catalina

The new beta arrives a week and a half from the previous, and can only be installed by developers enrolled in the program of the Apple.

At the moment there is no information on its content and, as for beta 3, it would seem to only be bug fixes and improvements to performance. If we learn more we will update you, as usual.