I think how to divide your rooms is key. "development" or "engineering" is probably too vague. You may want more specific things: implementation, testing, rele

I think how to divide your rooms is key. "development" or "engineering" is probably too vague. You may want more specific things: implementation, testing, release management, incidents and make sure people to stay on topic. Then, have a channel for offtopic, informal things and let people ignore it.