If you've got a HoloLens 2 that's enrolled on the Windows Insider Program, there's a new Dev channel build that has the new Edge, a shortcut to the Office web app, a new Settings app, and more.
Windows 10X is coming, and since a near-RTM build recently leaked, we went hands-on with it. Not much has changed since the dual-screen emulators, other than stripped-down features.