Wow, just spent 4 hours integrating other people's patches and plugins into ikiwiki. That's what they coded up while I was asleep last night.
Now I'm just waiting for all of them to go to sleep so I can code up the ikiwiki feature I was planning to work on today: RSS aggreagation, so it can be used as a Planet.
Anyway, as far as we know, ikiwiki is now 100% utf-8 supporting right down to the filenames in svn. And it can do tag clouds. And, perhaps best of all, I don't even need to write blog entries anymore, since ikiwiki now supports polygen, and can just generate text for me.