https://wccftech.com/apple-seeds-beta-6-of-macos-mojave-tvos-12-and-watchos-5-to-developers/

Apple has seen fit to release the beta 6 of its upcoming macOS Mojave, tvOS 12 and watchOS 5 to developers for testing purposes. The new beta build arrives exactly a week after the company rolled out the beta 5. Now that the release date for all of the mentioned software updates is nearing in along with their host devices, we can’t help but speculate what might users have in store. The iOS 12 beta 5 had a lot of hidden hints for us to ponder on. Nonetheless, let’s dive in to see some more details on the new beta updates.

Starting off with macOS Mojave beta 6, there’s a new method of installing the update. Once you have installed the first beta using the appropriate profile from the Developer Center, additional betas can be downloaded by clicking the Apple in the menu bar. Simply click on “About This Mac” and then “Software Update”. You can also open system preferences and click on the “Software Update” icon.