LTS release comes every two years; but it is not the last release ever. See this: https://www.ubuntu.com/info/release-end-of-life https://www.ubuntu.com/info/r

LTS release comes every two years; but it is not the last release ever. See this: https://www.ubuntu.com/info/release-end-of-life https://www.ubuntu.com/info/release-end-of-life