Then they should check everything before releasing. They are the developers. They shouldn't have any difficulty to check every features of Xenforo.
I don't have a purchase account, sorry.
I would love to, but it is in my pc. I have not uploaded it yet. Before uploading I want to do everything so that I don't have to worry about any malfunction. Though I don't have any problem now as I am using the add-on and it is working great. I just asked you if it is possible or not because very few plugins = very few problems.