Well-known developer Steven Troughton-Smith says he found the 30-second clip in an API in the back end of the Mac App Store.
Since the video was taken from Apple's servers and for e It's certainly authentic in its own Xcode development tool.
Ladies and gentlemen, I give you Xcode 10 on macOS 10.14. Dark Appearance, Apple News, App Store w / video previews
- Steve Troughton-Smith (@stroughtonsmith) June 2, 2018
Xcode 10 has a new dark interface, while the recycle bin icon in the dock is also darker, indicating that macOS 10.14 is getting a system-wide Dark mode, which is reflected in every app. In macOS 10.13, there is a partial dark mode, but only for the dock and the top menu bar.
The dock has an Apple News icon that indicates that it is expanding to the Mac with a desktop application becomes. So far, the News app is for iOS only.
The desktop wallpaper could show a picture of the Mojave Desert in California during the night which points to the macOS name "Mojave" for macOS 10.14.
The video itself probably also confirms rumors that the Mac App Store on MacOS 10.14 will be redesigned to become more similar to the App Store on iOS 11 , This includes preview videos for apps.
The leak was released just two days before Apple's annual Worldwide Developers Conference, where the company is expected to preview macOS 10.14 alongside iOS 12, watchOS 5, and tvOS 12 , The WWDC opens with a keynote on Monday at 19:00 German time.
What we expect from WWDC 2018, we have summarized a separate article.