Hi, everyone,
I tested SCIM for Japanese IME support in Mageia Beta 1 with Libre Office. It's encouraging, but not fully functional. It seems anthy is not working. I reported my findings here, if you want to take a look.
Thanks for your hard work!
http://mandrivachronicles.blogspot.com/2011/04/testing-japanese-ime-in-mageia-1-beta1.html