Issue
Attempting to register as Administrator gives the impression it will succeed until you press Create New Account. Trying with administrator correctly presents the username as disallowed.
Reproduce
- Press Sign Up button in the upper right corner.
- Enter valid email and password.
- Enter username:
Administrator - The text “Your username is available” appears.
- Press Create New Account.
- The text “That username is not allowed.” appears at the top.
- Enter username:
administrator - The text “Not available. Try administrator1?” appears.