It seem most of these issues came from Viet Nam Region. I am having the same issue with both IE/Firefox/Chrome/Android/IOS. It's frustrating having no access to 5 years worth of note/book/recipes of my work. I don't have anything else to show beside all the same stuff above, there's nothing else we (the users) can do.
(android/ios) Continue with google -> Registration error, you cannot register at the moment (I need to log in, not creating new account).
(android/ios) Typing my email trying to log in -> Log in Error, you cannot register at the moment, likely caused by a bad conn
