Full text search is now live on many instances running version v4.0.2-rc2.
It is "opt-in", meaning you need to check the "Include public post in search results" box to enable your posts to be searchable: Click Preferences (on right near bottom [gear icon]) >>> Click Public Profile (on left near top [person icon]) >>> Click Privacy and reach box (near top [lock icon]) >>> Under Search (scroll down middle of page)
