Some of the new features now available are: a new set of community-supported ARM architecture images will be available between now and the release; GNOME got updated to current unstable version (3.1.92) on its way to GNOME 3.2; OneConf has now been integrated into the Ubuntu Software Center to help keep your installed applications in sync between computers; Ubuntu 11.10 Beta 2 improves support for installing 32-bit library and application packages on 64-bit systems; a new Linux kernel based on version 3.0.4."
Release announcement
Release notes and downloads
Release announcement
Release notes and downloads