gnome3-session 2.31.6-0ubuntu2 (i386 binary) in ubuntu maverick

 This package contains a session that can be started from a display
 manager such as GDM. It will load all necessary applications for a
 full-featured user session.
 .
 The session manager also features the ability to save a running session
 an restore it later.
 .
 This version is configured to start the GNOME 3 desktop, based on the
 GNOME shell.