Blizzard clarified the Revival Catalyst intro quest became available a week earlier than intended.
The feature will become available on live servers next week.
(Source)
The Catalyst’s Boon quest became available a week earlier than intended. This quest just points people to the location of the Revival Catalyst which remained unavailable this week. The initial quest has been fixed to become available with the release of the Revival Catalyst after maintenance the week of June 13.