Dubbed Ultimate Edition 4.2 Lite, the brand new release of this Linux-based operating system is now derived from the Ubuntu 14.04 LTS (Trusty Tahr) distribution and uses MATE 1.8.0 as its default desktop environment. The good news is that Ultimate Edition 4.2 is now an LTS (Long Term Support) release and will be supported with security patches and software updates until year 2019.