Projekt i opieka nad serwisem: Scott Tiger S.A.
Based on your query, 14.b1 (Build 18A293u) , which was released in June 2018. Key Features of Mojave 10.14 Beta (18A293u)
Automatically organizes files on the desktop by kind, tag, or date.
Early beta users reported issues with the App Store, sometimes requiring users to sign out and back in.
Introduced Gallery View, allowing users to browse files visually, along with enhanced metadata in the preview pane.
As the first beta, this build contained bugs and was intended for developers testing app compatibility with Xcode 10.