TLDR: RedHat will continue to provide notifications of security fixes, however they will do so via RSS and a web portal instead of via email. No authentication or subscription is needed to access these.
RSS for anybody.
The mailing list was open to all.
https://access.redhat.com/security/data/csaf/v2/advisories/2...
It does not require any authentication to access.
> The mailing list was open to all.
So what is the difference between "all" and "anybody" ?
Maybe this is just a form of that.