Kubuntu 22.10 (Kinetic Kudu) was announced on October 20, 2022 with 9 months support.
As of July 20, 2023, 22.10 reached ‘end of life’.
No more package updates will be accepted to 22.10, and it will be archived in the coming weeks.
You can read the official end of life announcement for Ubuntu as a whole.
Kubuntu 23.04 Lunar Lobster continues to be supported.
Users of 22.10 can follow the Kubuntu 22.10 to 23.04 Upgrade instructions.
Should for some reason your upgrade be delayed, and you find that the 22.10 repositories have been archived, instructions to perform a EOL Upgrade can be found on the Ubuntu wiki.
Thank you for using Kubuntu 22.10 Kinetic Kudu.