Adium X has been updated to v0.8. “Adium v0.8 brings a completely new status system with available messages and invisibility on supported protocols, built-in secure encrypted messaging via Off-the-Record Messaging, the long-awaited file transfer progress interface, customizable built-in Growl notification system support, blocking, customizable service and status icons, full Mac OS X 10.4 compatibility, and much, much more.” The release notes are available here. Read the Favored Freeware entry for Adium X here.