Hi Richard, You can access the recording via the on-demand tab https://events.graphisoft.com/event/technology-preview-webinar/ Rory

I should also add. When changing a window to a different opening arrangment / type, all the previously defined properties of the opening are lost which is time consuming to rectify.

Reveals are a general bugbear of mine. I don't like not being able to correctly show reveals with a different makeup from the main wall construction, ie. insulated plasterboards.