The new 4.0 Backend (which works with the Python Scanner) is in internal testing, and the Beta App is being hooked up to the revised API of the 4.0.0 backend.
The new 4.0 Backend (which works with the Python Scanner) is in internal testing, and the Beta App is being hooked up to the revised API of the 4.0.0 backend.
This was in response to Zeotrope's question. It means a new backend is in development and being tested. The backend is the software that runs on the server, to which you connect with the app on your tablet or phone.