On 1/23/2021 6:45 AM, Strahil Nikolov via CentOS wrote:
openSUSE has one big benefit which we do not have with CentOS -> you can upgrade your openSUSE to pure SUSE (if you need subscription) and you will be fully supported. RH refused to do that with CentOS - always reinstall.
appears redhat recently introduced an article how to convert/upgrade: