After TWW launch I noticed the visual effects from shadowy apparitions changed and they looked different than before. I thought it was a intended change but a couple weeks ago I noticed that apparitions casted by goblins are untouched, looking like they’ve always been before, and visually so much better. They look brighter, and leave a longer trail of particles. So I think it might be a visual bug that is affecting the apparition’s visuals from the rest of races.
I personally love the visuals of the ghost army, and seeing them looking that bad if you character isn’t a goblin feels bad.