New context menu structure - better out-of-the-box layout but less 
customizable.
Built-in support for Windows Media and RTSP streaming.
“Edit” menu operates on the currently selected object rather than always on 
the active playlist.
Improved compatibility with multimedia keyboards.
Improved, more customizable album art support.
Portable installs now remember Media Library paths relatively to the install 
folder.
Reworked Preferences: OK/Cancel/Apply buttons, new layout of standard pages.
New options regarding selection viewer behavior.
Default User Interface: new pseudo color code system for status bar and 
playlist view.
CD ripping improvements:
        Results can be now checked against the AccurateRip database 
on-the-fly.
        CD-TEXT reading support.
        Ability to choose individual tracks to rip in the “Rip Audio CD” 
dialog

Isleistas naujas SDK, todel reikia laiko, kol komponentai bus atnaujinti


Main features:
Supported audio formats: MP3, MP4, AAC, CD Audio, WMA, Vorbis, FLAC, 
WavPack, WAV, AIFF, Musepack, Speex, AU, SND... and more with additional 
components.
Gapless playback.
Full unicode support.
Easily customizable user interface layout.
Advanced tagging capabilities.
Support for ripping Audio CDs as well as transcoding all supported audio 
formats using the Converter component.
Full ReplayGain support.
Customizable keyboard shortcuts.
Open component architecture allowing third-party developers to extend 
functionality of the player.

Default UI Gallery
http://www.hydrogenaudio.org/forums/index.php?showtopic=58574&st=250&start=250
Columns UI appearance
http://www.hydrogenaudio.org/forums/index.php?showtopic=63984&st=1000&start=1000