.44 Inkboard was relatively stable at release, points to note were that
multi user sessions only worked on compliant servers (wildfire or latest
svn of ejabberd)

Im not completely certain about the state of its security, david yip would
probably be better to comment on this, but i cannot see how any unsafe
code could be injected

http://wiki.inkscape.org/wiki/index.php/User:Daleharvey

will give you a bit of insight into the state of the current incarnation of
the whiteboard, as well as a timeline