The Layouts fly-out menu provides you with adjustable grid systems that can be 3 dimensional. There are also default settings in Desktop Preferences, for example, on how stairs and railing should be constructed. There is so much here, that I must admit it will take some time for me to get a grip on it all. No Roll-up door types in library. No added features like glass openings, hardware or trim.
Windows have a glazing layer for glass.
I was not able to create a skylight in a roof. To make a round or cone type roof, you have to create a polygon perimeter shape and use Convert to Roof command. If you seek a custom shape for an opening, you can use any profile you can define with the Profile command. The symbols appear to be the same old symbols from Softdesk's past. This is a rather cool tool providing the ability to view your 3D building rendered in real time.