Facebook has released Messenger 2.0 for the iOS platform. The revised software includes a redesigned user interface for conversations, and is faster and more reliable. The app also lets users add friends to a list of favorites, and lets users swipe to the left to see which friends are online.
Last, Messenger 2.0 for iOS adds support for iOS 6 and the iPhone 5, and fixes bugs. It is a free download from the App Store.