Debian is released on a regular basis. During development of a release, there are a set of development releases that always exist. These are stable (the current release), testing, the next release which is currently in development, and unstable, the release which is constantly updated and in active development. Only stable is recommended for production use.
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http://www.debian.org/releases - Official information about Debian releases |
Current Releases
Also:
experimental - Not really a release, but a repository where packages are tested (experimented) if they are not suited for unstable.
backport - Not a release, but a repository for updated packages for stable.
Production Releases
Debian GNU/Linux 5.0 (‘lenny’) -- Released 2009-02-14
Debian GNU/Linux 4.0 (‘etch’) -- Released 2007-04-08
Debian GNU/Linux 3.1 (‘sarge’) -- Released June 6th 2005
Debian GNU/Linux 3.0 (‘woody’) -- Released July 19th 2002
Debian GNU/Linux 2.2 (‘potato’) -- Released August 14th 2000
Debian GNU/Linux 2.1 (‘slink’) -- Released March 1999
Debian GNU/Linux 2.0 (‘hamm’) -- Released July 1998
Debian GNU/Linux 1.3 (‘bo’) -- Released July 1997
Debian GNU/Linux 1.2 (‘rex’) -- Released December 1996
Debian GNU/Linux 1.1 (‘buzz’) -- June 1996
- Debian GNU/Linux 0.93R6 -- Released November 1995
- Debian GNU/Linux 0.93R5 -- Released March 1995
- Debian GNU/Linux 0.91 -- January 1994
note: The point releases (like 4.0r0 and 4.0r1) are detailed in each distribution's page.
Time Between Releases
Time between Debian releases 1.2 178 days 1.3 175 days 2.0 413 days 2.1 229 days 2.2 525 days 3.0 703 days 3.1 1083 days 4.0 671 days
See also: DebianStability