I was showing Jitsi to a friend the other day and he was interested in
switching to it from Yahoo Messenger but he asked if he could set his
Availability separately for certain contacts (i.e. he might only want
two people on his contact list to see he's Online, whilst to everyone
else he's shown as Offline) which he can do with Messenger.
I can't see any way to do this currently, so is it something that
could be added? Otherwise I can't see him switching unfortunately.