Dit zijn de veranderingen die in de versies 2.90 en 2.91 zijn aangebracht t.o.v. 2.81:
Winamp 2.91:
* fixed an incorrect vis color
* fixed shuffle; now, when you start winamp w/shuffle on, it returns
you to the song you were at when you exited last time
* made winamp not crash if you close it while a file info dialog is open
* fixed jump dialogs when using language packs
* fixed tooltip in lightning bolt
* made video window on autoclose not stop if configured to do so
* made in_mp3 have options for adding tags from ml
* fixed a bug in in_wm
* library: made library refresh properly on add/compact/etc
* library: fixed a library win9x view issue
* library: fixed shift+enter in media library tree
* library: added "Explore item folder" in library's media view
* library: made internet radio/tv display msg when reload is blocked
* library: added "Physically delete file" in library's media view
* dshow: added config dialog (filetypes)
* dshow: added option to vertically flip WMV videos (for machines with old WMV
codec installed)
* dshow: added file info box
* dshow: fixed issues with widechars
* dshow: fixed bitrates displayed
* dshow: added 32 & 64-bit audio support
* nsv: fixed title updating (playlist flicker) bug
* nsv: made nsv info box show filename and basic info
* nsv: made nsv use less cpu on [p]rebuffering
* nsv: fixed mp3 decoder's eating of the end of nsv file
* nsv: added AAC decoding support
* nsv: fixed vis on audioless nsvs
* put AOD in all installers (opt-out always)
Winamp 2.90:
* hot new default skin, done by none other than the evil robot turned good, Steve Gedikian
* added integrated full featured video support (NSV and DirectShow (AVI,ASf,MPEG,etc))
* added library (complete with media database, shoutcast listing, playlist editing,
CD listing, mass tag editting, plugin API for portable devices, and more!)
* updated Winamp's window docking code to be more robust/extensible
- made AVS dock use this new API
* updated PCM equalizer with code from 4Front Technologies/George Yohng. Quality is a lot better.
* updated equalizer default skin to show the true +12db/-12db range (the 20db was a veeery old typo)
* a ton of new WM_WA_IPC API calls.
- general purpose plugin window support
- extended metadata system for getting more than just title/length of items.
- lots of exposed features via IPC
* updated to PP's latest input and output plugins
* focus/Z order change on window close related bugfixes
* added track numbers and song lengths in HTML generated playlists
* removed all ATL code, shoved EXE size by 20kb

* added digital audio extraction in in_cdda.dll
(needs WNASPI32.DLL under Windows 9x/ME)
* added Alt+M shortcut for minimizing Winamp
* added Ctrl+(Keypad +)/Ctrl+(Keypad -) shortcuts in playlist editor for changing font size
* fixed stop after current menu item trash related bug
* added ultravox support for in_mp3
* made in_mp3 not display 'unknown X' for empty id3 tags
* installer uses leet new NSIS 2.0b3
* improvements to the setup process
* made the keep on screen code multimonitor smart and better
* fixed & error in tooltips in winamp and winampa's systray icons
* and TONS more! (new SDKs will be posted soon.)