Ubuntu 12.04, the LTS (Long Term Support) version, beta version is out. According to the release schedule of Ubuntu 12.04, the final version will be released by the end of April. In case you are an early adopter and wants to try your hand on the beta release, here is how to upgrade to the beta version:

• Press Alt+F2 to open the command box
• Type “update-manager -d” (without the quotes)
• Please mind the space between manager and -d
• Update Manager should open up and tell you: New distribution release ’12.04′ is available.
  
• Click Upgrade and follow the on-screen instructions.

Enjoy Ubuntu 12.04. Cheers