Well, to be practical, not much has changed with respect to the butterflies that have been commonly available for years and years. Most are still pretty destructive in a reef, depending on the coral. There is still no way I'd drop a threadfin or pearlscale into my reef. And, personally, my collare and blackback proceeded to clean out my FOWLR of any few random corals and polyps I had.
I don't think longnose types were ever said not to be reef safe.
The roa complex types are newer on the scene (well, compared to when I started), as are the zoster/pyramid.
Now, all that said, I am tempted to try a saddleback in my reef
