Ubuntu 11.10 out
<a href="http://ubuntu.com/">Ubuntu</a> 11.10, the latest version of the popular Linux-based operating system for desktops and servers, has been released: "The Ubuntu team is pleased to announce Ubuntu 11.10, code-named 'Oneiric Ocelot'. 11.10 continues Ubuntu's proud tradition of integrating the latest and greatest open source technologies into a high-quality, easy-to-use Linux distribution. For PC users, Ubuntu 11.10 supports laptops, desktops and netbooks with a unified look and feel based on an updated version of the desktop shell called 'Unity', which introduces specialized 'Lenses'. Finding and installing software using the Ubuntu Software Centre is now easier thanks to improvements in speed, search functionality enhancements, and usability improvements. Aside from updates on the performance side, it's also more aesthetically appealing."
Apart from Ubuntu, all the other Ubuntu based products (kubuntu, Lubuntu, Edubuntu, Xubuntu etc) have been released as well.