The (Windows) build is located here: https://screencast.autodesk.com/Pilot/ScreencastSetup.exe
via
NOW AVAILABLE – Autodesk Screencast Pilot Program (Windows version)
As you can see, the UI is more modern:
What Revit Wants
The (Windows) build is located here: https://screencast.autodesk.com/Pilot/ScreencastSetup.exe
via
NOW AVAILABLE – Autodesk Screencast Pilot Program (Windows version)
As you can see, the UI is more modern: