Duplicating face in edit mode in Blender 2.79

In Blender 2.79 after pressing shift+d for duplicating face(s) in edit mode the current selection reverts to the original face(s) making the duplicated set difficult to operate and move. This wasn’t a problem if model is simple, as my model starts getting complex finding the new set of duplicated face(s) is getting difficult. I switched to 2.79 from 2.78c two days ago and the above stated issue wasn’t der in previous version. Am I missing something help…???

I have 2.79 RC 2, just tested and it isn’t the case for me. I tried playing with some options but I couldn’t get it to happen no matter what.