> "pre-releases of Precise Pangolin
are <i>not</i> encouraged for anyone needing a stable system or anyone who is not comfortable running into occasional, even frequent breakage".<p>From my experience I would say the same of Ubuntu release versions. They can't be counted on for at least 3-6 months after release, and even then bugs other than security are rarely if ever fixed, (though many can be blamed on upstream of course).