Nick Howitt wrote:

ClearOS7 itself is fine and like EL7 and Centos7 will receive updates until July 2024. What is now needed is development of the next version in time for the users to test and migrate before the ClearOS 7 EoL.

Reading about Almalinux and their ELevate makea me hopefull as it appears that some of the heavy lifting has been done by others already. (not expecting this to be a walk in the park but does show that it has been done before).