Packages for the release of the KDE Software Compilation 4.6 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.
To update, use the Software Repository Guide to add the following repository to your software sources list:
If you want to try KDE PIM 4.6 you need to add the Kubuntu Experimental PPA.