The amarok music player has been updated to 2.3.1 with new features like an automated playlist generator, a context view and an upcoming events view. http://amarok.kde.org/ may be reviewed for additional details.
audacity has been upgraded to 1.3.12. Included are user interface improvements, the ability to import file lists, and more. The complete details may be found at http://audacity.sourceforge.net/download/features-1.3-a.
The calibre bookreader 0.7.10 includes more customization options, saving of column layouts and more. Refer to http://calibre-ebook.com/whats-new for the full details of all the changes since 0.6.42.
New to Fedora 14, 'clementine is a full featured music player and library organizer. clementine is a port of an old favorite version of amarok, with additional features.
'gst123 is a command line player intended to be simple and small. It understands all formats supported by gstreamer. http://space.twc.de/~stefan/gst123.php.
radiotray, also new to Fedora 14, is a simple radio streaming player. Details may be found at http://radiotray.sourceforge.net/.
xnoise is yet another media player, this time with a different view on managing audio tracks. More information on this player may be found at http://www.xnoise-media-player.com/.