Currently, Cockpit deems a OS worthy of installation when it is out of support for less than a year, or when it was released in the last three years.

Garrett says:
"When the feature was originally made, we didn't have rolling releases of CentOS stream and the like. We definitely need to rethink how it's handled. But we also shouldn't open the floodgates to all the obsolete and insecure distros."

Let's review and revise these rules.