You may have read about this already.
Sharing the news as FYI for those using CentOS as an RHEL compatible OS.
IBM/RHEL has changed the strategy for CentOS support (software) with CentOS 8 (EOL 2021-12-31); CentOS 7 support will not change till it's EOL in 2024-06-24 [1].
The gist of it. CentOS 8 will become "upstream" for RHEL and no longer be based on RHEL source RPMs; break binary compatibility.
Read more here >> https://blog.centos.org/2020/12/future-is-centos-stream/
Many enterprises adopted CentOS because of it's binary compatibility with RHEL and 3rd party software solutions. Small companies, developers, and even big enterprises who are using CentOS will have to rethink their Linux OS roadmap.
Here is an ArsTechnica article with alternates for RHEL compatibility. https://arstechnica.com/gadgets/2020/12/centos-linux-is-gone-but-its-refugee...
[1] https://wiki.centos.org/About/Product