I mean a lot requests have already been implemented (especially recently

I know that you are probably concerned with the message it would have: By us (users) the wishlist would be seen a little more as some kind of todo list that you (Fred, Freak etc.) have to comply with. However, in my opinion the obvious advantages for you and us heavily outweight this...
Edit:
Ok, I just saw the occasional [Implemented]. However I never realized it before. Also clearly implemented topics don't seem to have this. Maybe the famous last post is needed?!
Fred wrote:Implemented.
