Referencing OMG!Ubuntu article, here, KDE Software Compilation is now available for Kubuntu 11.04 users and ready to update via Kubuntu PPA.
As the release only contains bugfixes and translation updates, it will be a safe and pleasant update for everyone.
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| KDE 4.6.4 Screenshoot |
For you kubuntu user, you can upgrade your desktop to the KDE 4.6.4 through Kubuntu PPA below.