It's arriving a day late but Steve Langasek has announced the release of the Ubuntu 10.04 LTS Beta. This first major Ubuntu update of 2010 is codenamed "Lucid Lynx" and most Phoronix readers are already familiar with the new features and changes from all of our Lucid articles
so we will spare you the details. Kubuntu, Xubuntu, Edubuntu, Ubuntu Studio, and Mythbuntu have all reached a 10.04 Beta status too.
Details and download links for all of the different flavors can be found on the mailing list