Ubuntu 20.10, Groovy Gorilla, was released on 22 October 2020. It is available for download at https://ubuntu.com/#download. There are also links to all of the Ubuntu “flavors” on the bottom right side of that page as well as links to torrent downloads. Ubuntu 20.10 is not a Long Term Support (LTS) release and is only supported for 9 months.
Happy Ubuntu-ing.