The issues described in
http://forums.winamp.com/showthread....hreadid=278615 still exist (Bento browser search field/address bar drawing kanji incorrectly, Unicode searches improperly converted to ANSI).
I also found Now Playing to come up with rather strange results for one of my files - I don't *think* it did this in 5.5, but I'm not sure:
http://download.birdiesoft.dk/nowplayingbug551.png
I've not been able to replicate it with other files using a similar tag structure, though, so I'm at a loss as to why it's doing this.