Release Notes: This version contains all Ubuntu updates released until 2008-12-19, minor bugfixes, and the new feature of mounting removable media with the "noexec" option, thus preventing the execution of (malicious) software from removable media.
Release Notes: The ability to mount arrays on certain hardware RAID controllers was removed. The kernel was updated to 2.6.24-22.45. Ubuntu packages were updated as of Dec 3rd, 2008. Minor bugs were fixed.