There is also some internal builds that have the Windows 10X Start menu on the desktop. The Start menu will have the rounder corners of the menu flyout, pinned apps, jump lists, and similar UI elements. The below image is a recreation of the rounded Start menu look that exactly repeats the current appearance of the new Start menu available internally. It will include features like Quick Settings panel, music control UI, and a visually separated notification area. The taskbar will also bring the new Action Center of Windows 10X to the desktop. System tray icons will appear in the Action Center, similar to what Windows 10X has.
Microsoft is working on a new taskbar version without the notification area. Other changes Visual changes that Sun Valley will include Taskbar