Google provides the App passwords feature: > An App password is a 16-digit passcode that gives a non-Google app or device permission to access your Google Acco

Google provides the App passwords feature: > An App password is a 16-digit passcode that gives a non-Google app or device permission to access your Google Account. Learn more about how to sign in using App Passwords. Maybe I misunderstand the announcement, but it looks to me that this feature will still be a valid alternative when Oauth can't be used.