https://wccftech.com/apple-seeds-the-fourth-beta-of-macos-mojave-with-support-for-macbook-pro-2018/

Today Apple has seen fit to release the fourth beta of macOS Mojave to developers for testing purposes. The update arrives two weeks after the company seeded the third beta of the firmware. It has been more than a month since the update was first unveiled at the Worldwide Developers Conference. So let’s dive in to see what the fourth beta of macOS Mojave has in store for developers.

As to begin with, macOS Mojave introduces a new method of installing updates. Once you have installed the appropriate profile from the Apple Developer Center, you can download the additional beta by clicking on the Apple in the menu bar. Simply choose “About This Mac” and then click on “Software Update.” Apart from this, as an alternative method, you can also choose the “Software Update” icon.