Packages for the release of KDE SC 4.10 RC 2 are available for Kubuntu 12.10 and our Raring development release. You can get them from the Kubuntu Beta PPA for 12.10.
Bugs in the packaging should be reported to kubuntu-ppa on Launchpad. Bugs in the software to KDE.
To update, use the Software Repository Guide to add the following repository to your software sources list:
12.10:
ppa:kubuntu-ppa/beta
Or, from your konsole:
sudo add-apt-repository ppa:kubuntu-ppa/beta
Thanks to Philip and Rohan for their work on these packages
Update: Packages for Precise users are now avaliable via the Beta PPA mentioned above.