Pure speculation here, but all signs point to a Subscription Advantage Pack for Revit 2015 with some awesome Sundial features:
Sources:
Inside the Factory: So, When’s Sundial Coming Out?
and
Help: New in Revit 2015 Subscription Advantage
What Revit Wants
Pure speculation here, but all signs point to a Subscription Advantage Pack for Revit 2015 with some awesome Sundial features:
Sources:
Inside the Factory: So, When’s Sundial Coming Out?
and
Help: New in Revit 2015 Subscription Advantage