Canonical's Ubuntu One personal cloud service now has a new control panel featuring an installer, setup wizard, and the ability to add or remove folders to sync. Canonical offers 5GB of storage free through Ubuntu One.

5. Tweaked for Tablets

New in the second beta version of the -based Kubuntu 12.04 is a tech preview of "Kubuntu Active," which is "a new Ubuntu flavor designed for tablet devices," Canonical says.

6. The Latest OpenStack

On the server side, the second beta version of Ubuntu 12.04 ships with first release candidate of OpenStack's forthcoming Essex release and will be upgraded again for the final version, Canonical says.