See also the Ubuntu Developer Summit for Natty, which took place from October 25th to 29th, 2010 at the Caribe Royal in Orlando, Florida.
For more information on the final Ubuntu 11.04 release:
instructions for upgrading to Natty
Ubuntu 11.04 release announcement April 28, 2011
Bugs in Natty
It should come as no surprise that the beta release of Natty Narwhal will contain bugs. Your comments, bug reports, patches and suggestions will help fix bugs and improve future releases. Please report bugs per the instructions on ReportingBugs.
If you want to help out with bugs, the Ubuntu Bug Squad is always looking for help.
If you would like to help shape Ubuntu, please take a look at the Ubuntu Get Involved page.
To have future Ubuntu development announcements emailed to you, please go to the ubuntu-devel-announce page and subscribe with your email address.
To have future Ubuntu package updates emailed to you, please go to the natty-changes page and subscribe with your email address.
More Kubuntu information can also be found at Kubuntuguide.