Winamp 5.3 Highlights:
* New portable device features - transcoding, new sync options, USB thumbdrive player support, video sync, direct-from-device playback
* Faster ripping
* Improved AAC and aacPlus encoding
* Unicode metadata, filename, and title support
* iTunes-compatible gapless playback (MP3/M4A) and encoding (M4A)
* Optional 24bit playback
* ReplayGain support

Winamp Player Features:
- Plays Music and Video Files (aacPlus, MP3, AAC, WMA and more!)
- Compatible with Winamp 2 Plug-ins
- Full Support for Classic and Modern Skins
- Plays Videos (NSV, WMV, and more!)
- Powerful Media Library
- Browse SHOUTcast Radio & TV Stations
- Browse Winamp Music Videos & Songs
- Integrated AOL Video Content (News, Sports, Movies & more)
- AOL Radio Featuring XM
- SHOUTcast Wire (podcast directory)
- Predixis MusicMagic (dynamic playlisting)
- Bundled Visualizations
- Burn CDs (Limited to 2x - 48x in Pro!)
- Rips CDs (Limited to 8x aacPlus, AAC, WMA - Unlimited aacPlus, AAC, WMA and MP3 in Pro!)
- 50 free mp3s from Emusic
- Includes Winner of the Internet
- Surround Music Project!
- Includes an MP3 of 'Mercy Me' by Alkaline Trio
- Rip/Encode music into aacPlus, AAC, WMA, or MP3!
- Burn CDs up to 48x!

Changes in Winamp 5.34 :
* New: IPv6 support
* Improved: Made installer delete in_mp3pro :/
* Improved: IPC_CONVERTFILE now uses api_decodefile (for ripping & transcoding)
* Improved: Embedded IE pages now run in a separate thread
* Improved: General speed and performance optimizations
* Improved: [in_wave] Added ATF support for %bitrate%
* Improved: [ml_local] Composer / Album view (in Edit View, Filters tab)
* Fixed: ???? in the taskbar & system tray with Unicode titles (note that many third party plugins will cause this to revert back to ????)
* Fixed: Installation of Sonic Engine on systems with other Sonic/Roxio products
* Fixed: Tab orders in Preferences
* Fixed: Various media library accessibility/focus issues
* Fixed: [enc_lame] Better output samplerate selection for transcoding
* Fixed: [enc_wav] WAVs missing first 11 samples
* Fixed: [gen_ml] Keyboard focus issue
* Fixed: [in_cdda] Long artist/albumartist CD Info bug
* Fixed: [in_cdda] Crash on Winamp exit after playing Audio CD
* Fixed: [in_cdda] CDDB crash-on-close bug
* Fixed: [in_dshow] potential crash on corrupt/malformed media files
* Fixed: [in_mp3] Memory leak when retrieving info for .aac files
* Fixed: [in_vorbis] Album tag removed when using ml 'edit selected items'
* Fixed: [in_wm] Crash when trying to burn WMA files
* Fixed: [ml_local] Composer tag not saving with 'Edit Info'
* Fixed: [ml_local] Total size not showing up in local media views
* Fixed: [ml_local] Possible duplicate entries on upgrades after rescanning folders
* Fixed: [ml_local] (No Album Artist) & (No Publisher) sometimes displays no results
* Fixed: [ml_local] Sorting Album pane by Year
* Fixed: [ml_local] isempty/isnotempty for querying empty/populated fields
* Fixed: [ml_pmp] Possible crash when deleting a group of songs containing non-sequential duplicates
* Fixed: [ml_pmp] "haven't" typo in prefs :-D
* Fixed: [pmp_p4s] Launching Winamp on device insertion not working
* Fixed: [pmp_p4s] No longer creates .alb files on devices that don't support it
* Updated: in_vorbis to libvorbis 1.1.2 and libogg 1.1.3
* Updated: in_flac 2.0 (based on FLAC 1.1.4)
* Updated: MusicIP Mix (formerly Predixis MusicMagic) v1.1
* Updated: Sonic Ripping/Burning Engine v3.6.36.500
* Updated: [gen_jumpex] Jump To File Extra v0.99.1a