Tikiwiki (http://info.tikiwiki.org) is currently at version 3.1, as of June 27, 2009 - the latest version in Portage is 2.4 Reproducible: Always
there's aversion 6.0 by now so changed summary (we still only got 2.4 in tree) would appreciate a bump to 6.0 ;)
8.4 is out and seam to address all the security bugs.
Package has been removed from the tree.