Thanks for the response. You mention Discord...that's a totally separate platform and is a sort of running chat with I guess some stickied messages. That's a walled garden cut off from google search etc.

Is there documentation available normally on the WWW that would describe this? It must exist internally to be used to bring new developers quickly up to speed?

I will check Discord though.

I have found this: https://bg3.norbyte.dev/ which is a website that can be used to determine the various options.