Despite all the efforts made by Skype and Google Talk, Yahoo! Messenger is still the most popular instant messenger around. About a year ago, they told us that a Vista specific version of Yahoo! Messenger was coming and they gave us a preview of what it looked like. Yahoo! went silent after that announcement, which left us wondering whether the development was stopped.

Hopes regained after a downloadable preview of Yahoo! Messenger for Vista was rolled out last December. It lacked few features like Voice and SMS. Yesterday, they announced that they’ve filled the gap by adding some new feature