Thooommaaaas, schmeiß dein dist-upgrade an, Ubuntu Feisty Fawn Herd 1 ist released…

Anybody else:

Pre-releases of Feisty 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.

(via: OSNews.com)