Packages for the release of Amarok 2.4.3 are available for Kubuntu 11.04 and Oneiric.
Bugs in packaging should be reported to kubuntu-ppa on Launchpad. Bugs in the software to KDE.
Users of 11.04 can install it from the Kubuntu Backports PPA.
To update, use the Software Repository Guide to add the following repository to your software sources list:
ppa:kubuntu-ppa/backports