When I am trying to send priv message in Russian I got something like:
Всем привет! УТФ не работает .

Should be not so hard to fix.

Why complicate the software by supporting languages no one uses? If English was good enough for Jesus, it's good enough for me!

And ISO-8859-1 is perfectly adequate for any modern website.

Tonik, did you receive msg from me?

Oh lol. Yes, I did. Repied now.