Speaking of which: yeah, now we can finally open those packs for portraits. 
That conclusion is a bit… premature, isn’t it? See also above.
One more thing: they could still do those time-limited events, since they were really successful and fun, as far as I can tell. Sure, nowadays, with four visitors at the camprife each day, it’s almost like a small event occasionally [1-3]… almost.
[1] (Mercs) Ah, those random Visitor tasks
[2] Rend Normal with Eudora and Vanessa In Party
[3] Onyxia (Heroic) with Tyrande, Cairne and Varden