Lubuntu 20.10 (Groovy Gorilla) was released October 22, 2020 and will reach End of Life on Thursday, July 22, 2021. This means that after that date there will be no further security updates or bugfixes released. We highly recommend that you update to 21.04 as soon as possible if you are still running 20.10.
After July 22nd, the only supported releases of Lubuntu will be 20.04 (until April 2023) and 21.04 (until January 2022). All other releases of Lubuntu will be considered unsupported, and will no longer receive any further updates from the Lubuntu team.
You can find instructions on how to upgrade your Lubuntu installation here at our manual page.
For more information you can visit our forum post here.