Its not user thing, it's a community thing. For example, if I have users who cannot see images, it means I cannot post screenshots and expect to get meaningful

Its not user thing, it's a community thing. For example, if I have users who cannot see images, it means I cannot post screenshots and expect to get meaningful advice on it. For your work: Are you connecting Mcabber to HipChat server? Do you use native HipChat client as well?