Adium X has been updated to v0.83. This update includes “many bug fixes and improvements as well as security fixes … The executive summary is that after over 2 months of development past 0.82, this is the most stable version of Adium yet.” The release notes are available here. Read the Favored Freeware entry for Adium X here.
And it supports connecting to Google Talk, now live 🙂
Thanks for the tip, Pedro! Google has kindly provided an illustrated tutorial for connecting to Google Talk via Adium.