The alpha 3 release of Ubuntu's Lucid Lynx has been released. "Pre-releases of Lucid are *not* encouraged for anyone needing a stable system or anyone who is not comfortable running into occasional, even frequent breakage. They are, however, recommended for Ubuntu developers and those who want to help in testing, reporting, and fixing bugs. Alpha 3 is the third in a series of milestone CD images that will be released throughout the Lucid development cycle. The Alpha images are known to be reasonably free of showstopper CD build or installer bugs, while representing a very recent snapshot of Lucid."
Read more at LWN