(written from a Production point of view)
In a graphic created for the Starbase Yorktown command center, but not seen in the final copy of Star Trek Beyond, Cygnus VII was the subject of a planetary survey. This planet was located in the Cygnus system. The survey revealed the planet as having a lethal atmosphere and an habitabilty index of 17% due to lethal gases.
In the Federation database, there were 756 references to this planet.
This graphic can be visited at g-creative.com.