On Sat, 27 Jun 2015 08:11:24 +0200, O. Sinclair wrote: >As far as I know 14.04 is the LTS release and it uses the stable KDE4 >(as does release 14.10). 15.04 is NOT an LTS release, neither will >15.10 be. Next expected LTS is 16.04 https://wiki.ubuntu.com/Releases