Bots don't need to be sent history when joining rooms so we should send maxstanzas=0 in the room join presence (doc). May be best to make this change in Wobot first.
If you specify a JID with a resource of /bot then HipChat is supposed to withhold history.
That's true, but I think it'd be cleaner to explicitly request no history so people can use other JID resources or request history while using the 'bot' resource if desired.
Totally agree, I should have been more explicit that I was just offering a workaround. :)
This is now the default in wobot: cjoudrey/wobot@d2ff785