VLC media player 0.8.4 (2005-11-2626 November 2005)  This new release features many improvements including a new VLC cone, new Mac OS X wizard and extend controls dialogs, tree playlist skins2 support, HTTP interface CGI handling, linux binary codecs loader, UPnP and Bonjour service discovery, shoutcast stream forwarding, new languages ...
Have a look here for the full list of changes.
Binary packages and the source code are available on the VLC download page.
You can get help concerning this new release on the Documentation Page, Forum, Wiki, Mailing Lists or on #videolan on Freenode. Remember to reset your preferences if you experience problems after upgrading from a previous version.