Packages for the release of KDE SC 4.14.2 are available for Kubuntu 14.04LTS and our development release. You can get them from the Kubuntu Backports PPA, and the Kubuntu Utopic Updates PPA
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:
14.04LTS:
ppa:kubuntu-ppa/backports
14.10 Development
ppa:kubuntu-ppa/ppa
Or, from a command line for 14.04LTS:
sudo add-apt-repository ppa:kubuntu-ppa/backports
Command line for 14.10:
sudo add-apt-repository ppa:kubuntu-ppa/ppa