Hey, it looks like it's back up!
Thanks. It is back again now.
https://developer.jboss.org/en/wildfly?view=discussions shows a page with:
Also on the page WildFly Elytron - Blog Posts if you follow the breadcrumbs to https://developer.jboss.org/en/wildfly or https://developer.jboss.org/community/wildfly/content?filterID=contentstatus[published]~objecttype~objecttype[document] show a page with:
The item does not exist. It may have been deleted.