After I changed skins to one that was downloaded, I closed the game, and when I opened it back up again, my name changed to skinStandardCustom than my DID but without the dashes in between. I covered part of the DID up just in case. (or something idk)
I also got a popup for signing in when I already was when I opened the game.

It doesn't really affect gameplay, and I didn't check to see if restarting the game helped... But felt like it might be useful to report this anyways.. hah...