Yahoo! messenger for Mac is still in 3.0 beta 4 stage and is not going totally into out-of-beta stage because of the various bugs and errors that are being fixed every beta version and new errors are being detected. Also, there is addition of newer features to this version of Yahoo messenger for mac.

Here are a few changes that you would see with the new version -

• Many features like file transfer, voice, chat rooms, Shealth settings and webcam had more than 3 dozen bugs which were fixed in this Beta 3 version.
• Clearer messaging option when receiving anonymous messages from your pingbox.
• You now have an option to enable or disable saving/archiving the chat room messages. And you can do that through Preferences > Messaging and click to enable/disable the Chat Room archiving.
• You can report any IM as spam, and this would add the IM sender into the ignore list.
• Keyboard shortcut of Shift key to disable automatic sign-in into yahoo account when you open Yahoo! messenger.
• Added a new message style called “Kobi lite”. To try it out, go to Preferences > Messaging, then change the Conversation style.

Download the Yahoo Messenger for Mac 3.0 Beta 4 from one of the following download links -
Link 1
Link 2