- UPDATES!!
- Enhanced video calling
- Feel like you’re there with high-quality, full screen video and voice calling
- Keep up with what your friends are doing
- See your friends’ latest updates from Yahoo!, Flickr, Twitter and more with the new “Updates” view
- Improved language support
- Change your preferred language in Yahoo! Messenger with just a few clicks
- source: http://messenger.yahoo.com/winbeta
