We consider this release candidate to be complete, stable, and suitable for testing by any user.

Ubuntu 9.04 Desktop Edition brings faster boot speeds and a new notification system to your everyday computing experience.

Ubuntu 9.04 Server Edition makes it easy to experiment with cloud computing using Eucalyptus on your own servers, and sports an improved mail server integration stack based on postfix and dovecot.

Ubuntu 9.04 Netbook Remix brings a new, easy-to-use interface that is designed to be used on the smaller screens of netbook devices.

The Ubuntu 9.04 family of variants, Kubuntu, Xubuntu, Ubuntu Studio, and Mythbuntu, also reach RC status today.

The final release of Ubuntu 9.04 is scheduled for 23 April 2009 and will be supported for 18 months on both desktops and servers. Users requiring a longer support lifetime may choose to continue using Ubuntu 8.04 LTS, with security support until 2011 on the desktop and 2013 on the server, rather than upgrade to 9.04.