Right on schedule, the folks at Canonical released the latest version of Ubuntu Linux this morning. Ubuntu 9.04 adds a number of new features including a revamped notification system, support for the Ext4 file system, and updated applications like Firefox 3 and OpenOffice.org 3.0.

Canonical also worked hard on system performance, and Ubuntu 9.04 should boot up faster and feature more efficient suspend and reume features. The operating system can also intelligentally switchbetween WiFi and 3G environments using a number of 3G cards.

Ubuntu 9.04 comes in several different flavors. There’s a server edition, a desktop edition, and a Netbook Remix edition that’s optimized for mini-laptops with Intel Atom processors and low resolution displays.

Kubuntu 9.04 is also available for users who prefer the KDE desktop environment to Gnome. Many of the basic packages in Ubuntu and Kubuntu are the same. Mythbuntu, which comes preloaded with the popular MythTV media center application, has also been updated to version 9.04.

Other versions including Xubuntu (based on the Xfce desktop environment) and Edubuntu (with a focus on educational software) should be updated to 9.04 soon.

New features for Ubuntu 9.10 includes brand new interface and changes on Usplash. The developers also planned to decrease the boot time for netbook to twenty four seconds or below. Interesting new log in screen will also be introduced as well as no problems will be faced for netbook remix user.