Volumio 3 Buster Beta for RPi

Let me clarify my comment with a concrete example. Suppose a user is running a beta version and then manually invokes the command to check for a new version. Following the current design, the application will report that no new version is available, if dev mode is not enabled. Why would you characterize this behavior as desirable? If the user is running a beta version and requests a more recent version, then almost universally such a user would wish to see a prompt indicating the availability of any new beta version and an option to proceed installing it. I can think of no obvious general case in which a user running a beta version, and asking the application for a new version, would prefer that the application report no new version being available.