From @guiverc @Lubuntu Discourse:
Of which the most important would be:
You have been warned.
Lubuntu 21.04 is now End-of-Life
Lubuntu 21.04 was released back on 22 April 2021 and reaches it’s EOL on 20 January 2022. One of the included wallpapers. This means if you’re still using Lubuntu 21.04, you have at most a week to plan and perform your release-upgrade to move to the newer Lubuntu 21.10 release. If you...
discourse.lubuntu.me
Of which the most important would be:
This means if you’re still using Lubuntu 21.04, you have at most a week to plan and perform your release-upgrade to move to the newer Lubuntu 21.10 release. If you don’t upgrade in time, you’ll find all security updates will cease, and adding software or subsequent release-upgrades maybe become more difficult.
You have been warned.