Ubuntu 12.04 LTS has been pet-named ‘Precise Pangolin‘ and is expected to be released in April next year. Mark Shuttleworth blogs about this -
“There are lots of lovely candidates. 12.04 is an LTS. So we want it to be tough and long-lasting, reliable, solid as a rock and well defended. It’s also going to be the face of Ubuntu for large deployments for a long time, so we want it to have no loose ends, we want it to be coherent, neat.