Red Hat announced earlier this year that they are ending support for CentOS as we know it at the end of the year. It will become the CentOS Stream project after that, serving as the upstream (dev) branch of Red Hat Enterprise Linux (RHEL). Out of all of this has come Rocky Linux to basically fill the void that CentOS in its current form will leave.
My primary interest in CentOS is related to XCP-ng as it uses some of the parts of CentOS. Below are links to related post from the XCP-ng forums. Oliver Lambert speaks in both of these threads about XCP-ng and CentOS
Centos 8 is EOL in 2021, what will xcp-ng do?
XCP-ng Centos 8 is EOL in 2021, what will xcp-ng do? | XCP-ng forum
Mr.Charles-H. Schulz comments on CentOS and the future of XCP-NG