Ubuntu 12.04 LTS – 5 year support cycle
Canonical announced that support and maintenance period for ubuntu 12.04 Long Term Support (LTS) release of Ubuntu for desktop users from three years to five years. The first two years of the LTS period will provide hardware updates and Maintenance updates will continue for a further three years.
Ubuntu 12.04 is scheduled for release in April 2012.
Support for Ubuntu 10.04 LTS ends in April 2013.