This page summarizes Ubuntu releases and milestones for 2013.
¶ Releases and Versions
- Ubuntu 13.04 “Raring Ringtail” released on 2013-04-25.
- Ubuntu 13.10 “Saucy Salamander” released on 2013-10-17.
- Ubuntu releases in April and October, with LTS releases every two years in April.
- https://en.wikipedia.org/wiki/Ubuntu_version_history
- https://documentation.ubuntu.com/project/release-team/list-of-releases/