Apparently halo now gets everyone in its radius out of stealth instantly, before it even does damage to them.
If thats how it worked before the patch i'm sorry but i never noticed that.
If possible could anyone test it?
I tested it with 2 priests, one shadow other disc on my druid and rogue.
Always got me out of stealth instantly no matter how far away from them i was.
Posted on official, noone cares.