Since it's upgraded to AE CC 2015, Adobe removes this feature that I actually use a lot. I wonder is there any workaround?
It is really helpful when you don't have time for a full render on a heavy render comp, yet you need to have a playable file for your client to review. Save preview is a life-saver in this situation. But now it's gone, I can still use numpad 0 to preview my comp on timeline, I assume it's just one step away from what I need, which is save it on my hard drive!