* MPD and connection errors are shown to the user
* Configurable volume button step size
* Default action for library tracks selectable (play song, add song (default), add as next song, details)
* Option to keep the display on when application is active
* Lots of code cleanup and refactoring (especially the MPD connection handling)
* Crash fixes in artist handling
* Updated korean translation
* Hidden feature to open MusicBrainz pages from the song details dialog