No specific info about version 3.0. Please visit the main page of Yahoo! Messenger 2 on Mac Informer.
Info updated on:
Integrated communications client that enables you to communicate with contacts within and outside your organization....
Client program that allows connection to the Echolink system.
Tor Messenger--based on Instantbird...
Java-based chat client. If you need to communicate with contacts on several public IM channels simultaneously and don't want to clutter your desktop.....
The ippi Messenger software allows you to call with your ippi account.
Chromeless & frameless window wrapper around the Facebook Messenger app.