going to change username you cant confirm your username with enter key 
We are working on improving the hotkey system and thank you for letting us know so we can try to improve there as well.
this is still broken >:(
Sorry it may take a little bit, we are working on many projects atm!
what projects 
You’ll have to wait and see but we are excited to show things when they are ready. (I can’t disclose any information which is sad.)