id like to see this announcement. because if what your saying is true then all the ppl who are using advanced ah can be banned. the add-on your taking about doesn't do anything to the files in rom. it follows the way rom made add-on's to work. now i have heard on a version of that add-on that does violate ToS cause it changes the way you can play the game.
if it wasn't for the add-on a lot of ppl who play RoM wouldn't be able to.
It was announced a while back after EU took over. There were multiple mile-long threads on it, which now are gone due to the forum remodel--though there might still be threads left over in the EU forums.
And no, it does not apply to other add-ons such as Advanced AH. FEU decided to outlaw Remove Spell Effects for those of us that needed it because of the rare few users that used the program to exploit and cheat or change the look of things in-game.
Most that needed it in order to play the game didn't stop using it, but you won't see any discussions on it remain unlocked.