O que são versões LTS?
Uma versão LTS (Long Term Support) é suportada por 3 anos o tipo desktop e por 5 anos o tipo servidor. Veja abaixo uma lista com as versões atuais e as próximas versões:
Lançamentos futuros
| Versão | Code name | Release date | End of life date |
| Ubuntu 10.04 LTS | Lucid Lynx | Planned for April 2010 | April 2013 (Desktop) April 2015 (Server) |
| Ubuntu 9.10 | Karmic Koala | Planned for October 2009 | April 2011 |
Estáveis
| Version | Code name | Release date | End of life date |
| Ubuntu 9.04 | Jaunty Jackalope | April 23 2009 | October 2010 |
| Ubuntu 8.10 | Intrepid Ibex | October 30 2008 | April 2010 |
| Ubuntu 8.04.3 LTS Maintenance release | Hardy Heron | July 16 2009 | April 2011 (Desktop) April 2013 (Server) |
| Ubuntu 8.04.2 LTS Maintenance release | January 22 2009 | ||
| Ubuntu 8.04.1 LTS Maintenance release | July 3 2008 | ||
| Ubuntu 8.04 LTS | April 24 2008 | ||
| Ubuntu 6.06.2 LTS Maintenance release | Dapper Drake | January 21 2008 | June 2011 (Server) |
| Ubuntu 6.06.1 LTS Maintenance release | August 10 2006 August 16 2006 | ||
| Ubuntu 6.06 LTS | June 1 2006 June 16 2006 |