Add schedule exceptions to a calendar

Yes, this would be super helpful. We currently create a project with tasks for all those same dates that we enter into schedule exceptions.

I'd love to be able to add schedule exceptions to both calendars as well as user's time-off calendars. So they don't go marking time-off on days that they have off already.

But I'd also want a way to distinguish different types of exceptions. For example we enter Holidays as exceptions, but also sometimes have a need to enter Black-Out days as exceptions for capacity planning - but I wouldn't want those black-out days to show on time-off calendars and probably wouldn't want them to show on most other calendars.

Has this been a capability added to Workfront yet?  I need this feature right now for our team and don't want to have to do it manually when it should already be a funtion.