Ubuntu 12.10 (Quantal Quetzal) released

Ubuntu 12.10 "Quantal Quetzal" has been released. Desktop, Server, Cloud, and Core images are available for download now; the official variants (Kubuntu, Xubuntu, Edubuntu, Lubuntu, and Ubuntu Studio) are expected to follow later today. Among the changes in this edition, of course, is support for UEFI secure boot.