@DuncanNZ I’m imagining a scenario where maybe there is a design option that lives exclusively in one option and has no counter-part in another option. For example, maybe a client is considering adding a canopy to a project. I would then model that in a design option so if we decided not to not add the canopy, I could just turn it off. But maybe I would want to see that alongside the rest of my building in a Speckle stream (and maybe @jonathon is right and I really should be using a workset for that 
). Regardless, we already have an existing issue dealing with the scope of the “everything” category [Revit] `Everything` filter doesn't truly grab _everything_ · Issue #1308 · specklesystems/speckle-sharp · GitHub. I’ll mention this thread in that issue so that we consider it when we get around to fixing that.