That's correct. We've never been able to upgrade between major versions of CentOS. CentOS doesn't support it, thus naturally neither does cPanel. We are already working on our base CentOS 7 template and hope to be deploying new systems with it within the next week or two.Hello
The release announcement for cPanel version 11.50 says
Does this mean that existing KH VPS's will not be updated to Centos 7? Only new accounts?