Nullsoft Winamp 5 is a fast, flexible, high-fidelity music player for Windows. Winamp supports playback of many audio (MP3, OGG, AAC, WAV, MOD, XM, S3M, IT, MIDI, etc) and video types (AVI,ASF,MPEG,NSV), custom appearances called skins (supporting both classic Winamp 1.x/2.x skins and Winamp 3 freeform skins), audio visualization and audio effect plug-ins (including two industry dominating visualization plug-ins), an advanced media library, Internet radio and TV support, CD ripping, and CD burning.

• The Full version plays MP3s, AAC, WMA, and more; Compatible with Winamp 2 Plug-ins; Full Support for classic and modern skins; Plays Videos; has a Powerful Media Library; Browse Internet Radio & TV Stations; Integrated Internet Music Videos & Songs; Bundled Visualizations; and Burn & Rip CDs.

• The LITE version plays MP3s, AAC, WMA, and more. It is compatible with Winamp 2 Plug-ins and has full support for classic skins.

Winamp features: a playlist editor and a 10-band graphic equalizer with user-definable presets that can automatically load specific files. It also includes Windows Media Technology 4.0 input/output support and the industry-standard Fraunhofer MP3 decoder.

Changes in Winamp 5.5.4.2124 beta :

- New: Chinese, Japanese & Korean installer translations and language packs
- New: [in_swf] Adobe Shockwave Flash (SWF, RTMP) playback support
- New: [gen_dropbox] Winamp DropBox alpha (use: Ctrl-Shift-D)
- Improved: Background reading option for playlist metadata
- Improved: Classic songticker scrolling for Winamp Modern skin pledit winshade
- Improved: Vista elevation (fixes: installing skins, filetype reg, Pro reg)
- Improved: Zero padding option for playlist item numbers
- Improved: [in_flv] Better streaming support and other improvements
- Improved: [in_mp3] Added APEv2 tag options to configuration
- Improved: [in_mp3] Optional retention of existing APEv2 headers
- Improved: [ml_disc] Artwork support for Data CD Reader
- Improved: [ml_disc] Better detection of any copy operations in progress
- Improved: [ml_disc] Improved start times if ml_disc view is active
- Improved: [ml_local] Redesigned 'Show Info' panel
- Improved: [ml_nowplaying] Redesigned 'Now Playing' artist experience
- Improved: [ml_playlists] Right-click option to sort list of playlists alphabetically
- Improved: [pmp_usb] Connect/Disconnect/Blacklist config options
- Fixed: Alt+F4 closing Winamp instead of individual dialogs
- Fixed: Bento browser redirecting network drive url's to Winamp Search
- Fixed: Blank playlist when in docked toolbar mode and Winamp is minimized
- Fixed: Modern skin component windows appearing individually in Alt+Tab
- Fixed: Multi-flashing on startup when previously closed whilst minimized to systray
- Fixed: Pure Virtual Function Call runtime crash errors
- Fixed: Redraw issue when built-in classic vis is disabled
- Fixed: Various multi-monitor docking issues
- Fixed: Various other 5.53-specific keyboard accelerator issues
- Fixed: [Bento] Drag+Drop into Playlist from Open Files dialog
- Fixed: [burnlib] 'CD Drive locked by another Winamp process' on 2nd burn attempt
- Fixed: [dsp_sps] Crash on close when config Help dialog is still open
- Fixed: [enc_flac] MD5 checksum generation
- Fixed: [gen_ff] Attached vis plugin crash on winshade to normal mode in Modern skin
- Fixed: [gen_hotkeys] Assigning Winkey with already used Ctrl combinations
- Fixed: [gen_ml] Enter/Shift+Enter broken for ML treeview items (5.53-specific)
- Fixed: [in_cdda] Composer/Conductor logic bug when saving CDDB data to database
- Fixed: [in_flac] Minor metadata writing bugs
- Fixed: [in_midi] Seeking with 'DM/MS Synth' device in Streamed playback mode
- Fixed: [in_mp3] Crash on files with invalid/corrupt gapless data
- Fixed: [in_mp3] Create new ID3v1/v2 tags configuration setting
- Fixed: [in_vorbis] Huge lag on files with large embedded cover art
- Fixed: [in_vorbis] Metadata & Format Info display for streams in View File Info
- Fixed: [in_vorbis] Potential unicode-related crash on close issue
- Fixed: [jpeg.w5s] Saving corrupt album art
- Fixed: [ml_autotag] Results dialog hidden under Winamp when AOT is enabled
- Fixed: [ml_disc] Small resource leak
- Fixed: [ml_playlists] Enter/Shift+Enter broken for selected ML Playlist items
- Fixed: [ml_playlists / ml_transcode] Sending playlists from ML tree to Transcoder
- Fixed: [ml_wire] 404/timeout with valid rss feeds on Vista
- Misc: Miscellaneous localization tweaks, fixes & updates
- Misc: More miscellaneous general tweaks, improvements, fixes and optimizations
- Misc: Setup fixes (Agent not always starting, WLZ filetype not registering, etc)
- Misc: Various other 'Winamp Modern' & 'Bento' skin updates
- Misc: [enc_flac] Now encodes using libFLAC instead of Flake
- Updated: Bento skin v1.2
- Updated: freetype 2.3.6
- Updated: libpng 1.2.28

Changes in Winamp 5.531 :

- Fixed: Bento browser redirecting some url's to Winamp Search
- Fixed: Bento collapse/expand button bug
- Fixed: Recent URL's not saving (5.53-specific)
- Fixed: Total time display of selected tracks in Classic playlist (5.53-specific)
- Fixed: [jnetlib] AOL Radio skipping/buffer issue
- Fixed: [ml_local] Right-click Play/Enqueue all items issue in 3-pane views
- Fixed: [ml_playlists] Broken right-click context menu items (5.53-specific)