Kubuntu Groovy Gorilla was released on October 22nd, 2020 with 9 months support.
As of July 22nd, 2021, 20.10 reached ‘end of life’.
No more package updates will be accepted to 20.10, and it will be archived to old-releases.ubuntu.com in the coming weeks.
The official end of life announcement for Ubuntu as a whole can be found here .
Kubuntu 20.04 Focal Fossa and 21.04 Hirsute Hippo continue to be supported.
Users of 20.10 can follow the Kubuntu 20.10 to 21.04 Upgrade  instructions.
Should for some reason your upgrade be delayed, and you find that the 20.10 repositories have been archived to old-releases.ubuntu.com, instructions to perform a EOL Upgrade can be found on the Ubuntu wiki .
Thank you for using Kubuntu 20.10 Groovy Gorilla.
The Kubuntu team.