Rdio has released an update to its universal iOS app adding support for displaying song information on the iOS 5 lock screen and when streaming via AirPlay. Much like the native iOS 5 Music app, Rdio 1.2.4 now displays track information such as song title and album artwork on the lock screen on iOS 5 devices and sends this information when streaming audio over AirPlay to a compatible device such as the Apple TV. The latest update also optimizes its…
