Packages for the release of the KDE Software Compilation 4.7 RC 1
are available for Kubuntu Oneiric. There won't be any packages for 11.04 before 4.7 Final.
These are beta packages for beta software, expect bugs.
Bugs in packaging should be reported against the package on Launchpad, Bugs in the software to KDE
KDE PIM 4.7 won't be in the oneiric archive until more testing has been done. If you want to try it you need to use the Software Repository Guide
to add the Kubuntu Experimental PPA to your software sources list: