So, it used to be that if two existing groups of 2 players each were thrown together for a random by the Dungeon Finder, only the two original group-leader players received credit. I had hoped that this was the bug that they fixed in the last two patches, since it happened every single time without fail.
However, today upon starting a random daily with an existing group of 3 people (dungeon finder found the 4th member for us), we completed the dungeon and only our original group leader received the rewards mail and XP credit on completion. Sooo... the problem is actually worse than before when it had to be two groups of 2 players each to encounter the bug. Hah! *sigh*
Any idea when this will be fixed?