Okay, we have some good news and bad news.
The good news is that Lobby 0.3 has undergone a lot of changes and heavy coding
The bad news is that you can’t upgrade your existing Lobby to the new one.
The whole schematics of Lobby has changed. The base of Lobby has undergone drastic changes that a complete reinstallation would replace the older version.
A standard upgrade can’t be relied on as there are a lot of changes in the new Lobby version