I tried searching but couldn’t find any info about this…
I don’t have the ability to ‘Preview’ > ‘Revit Background Preview’ in Revit 2015, but I do in Revit 2016. (The issue is that I need to model some geometry in an old 2015 project. I really need the ability to see what i am scripting alongside the Revit model)
Screenshots from my Revit 2016 on top and Revit 2015 on bottom - Dynamo v1.0.0.1180: