I'm mostly just relieved that DC isn't relieving themselves of the best (only good) example of a disabled character in superhero comics whose superpower isn't not being disabled anymore. (Wellll, I guess there's Xavier, but he's in and out of the chair all the time.) There would have been absolutely no way to do that story that would not have come across as "Look how awesome Barbara is now that she isn't in a wheelchair!"
As for Steph, now she just needs to get in either a Nightwing or a Batman costume and she'll be tied with Jason (since he's never been Batgirl). Each will be one away from the full set!