I'm not sure that anything has changed, from what I understood it was going down this fall. When we were there 3 weeks ago it was only running in one direction, just meaning you couldn't just sit there and go round and round on it. Unfortunately sometimes people did this anyway, and depending on the CM at the time, they either just let it go or told them they had to get off.
The lines at DTD when we were there to get on were horrible. A few times we decided to not bother once we got up there and just walked DTD. It was surely faster. The lines at the DTD monorail station were just soooo long. One time our feet were hurting so bad we decided to just wait for it, and it took 3-4 trains before we could get on.
On the other hand when returning back to DTD from Tomarrow land, the lines were never that bad, and we always got on the first train. Which is nice when your heading back to the DLH and you are tired!