Ubuntu releases are also given code names, using an adjective and an animal with the same first letter – an alliteration, e.g., 'Dapper Drake'. Older versions of Ubuntu repositories and releases can be found on the old Ubuntu releases website. Prior to 13.04, it had been 18 months.Īfter each version of Ubuntu has reached its end-of-life time, its repositories are removed from the main Ubuntu servers and consequently the mirrors. The support period for non-LTS releases is 9 months. Through the ESM paid option, support can be extended even longer, up to a total of ten years for 18.04. LTS releases 12.04 and newer are freely supported for five years. The desktop version of LTS releases for 10.04 and earlier were supported for three years, with server version support for five years. Įvery fourth release, occurring in the second quarter of even-numbered years, has been designated as a long-term support (LTS) release.

Ĭanonical schedules Ubuntu releases to occur approximately one month after GNOME releases, resulting in each Ubuntu release including a newer version of GNOME. Consequently, version numbers for future versions are provisional if the release is delayed until a different month (or even year) to that planned, the version number will change accordingly. The first Ubuntu release, for example, was Ubuntu 4.10 and was released on 20 October 2004.

Ubuntu releases are made semiannually by Canonical Ltd, its developers, using the year and month of the release as a version number.

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