[saghm]

Maybe I'm, getting confused by the messaging then; the article talks about "forcing people to make a change", which to me implies that this is some sort of transition where eventually the "old" names will no longer work, or at least that using a custom nickname per server won't work. If that's the case, then I don't consider this to be done in a "non-breaking way", although maybe I wasn't specific enough in my previous comment.

[ysavir]

Yeah, if I'm understanding it correctly, the word choice and communication really muddy the waters. If they chose to call it "unique identifier", and treat is a brand new value, I think there would be much less confusion and frustration. "Username" is too overloaded in this context for it to have been communicated clearly.