Packages for the release of the KDE Platform, Workspaces and Applications 4.7.2 are available for Kubuntu oneiric. You can get it from the Kubuntu Updates PPA until the packages are available in the official repositories. Packages for 11.04 will follow soon.
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:
ppa:kubuntu-ppa/ppa
Many thanks go to Philip, Rohan, Scott and Jonathan for working on the packages!