Packages for the release of the KDevelop 4.2 RC 1 are available for Kubuntu 10.10 and Natty.
These are beta packages for beta software, expect bugs.
Users of 10.10 can install it from the Kubuntu Beta PPA. This will also install KDE Platform 4.6 Beta.
To update, use the Software Repository Guide to add the following repository to your software sources list:
Thanks to yofel for packaging this release.