If you go to the feedback item here
, you'll see that it is not marked "Complete", thus it has not been implemented.
You can follow the progress of a Feedback Item, and get updates via email when the status changes, if you click the "Follow this item":
Lance | Tech Support Engineer, Sr.
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Feedback Portal
and vote to affect the priority of the items