RE: "appear offline" cause data loss i tried it with 8.1 and 8.5, no difference. the contact was using 8.1 and another one 8.5, but i had the problems with both of them.
"appear offline" cause data loss if anybody in my contact list sets his status to "appear offline" and i send him something, there are often hudge delays until he recieves the message or he doesnt recieve it at all, though i dont get the message saying the message could not be sen...