Can't speak to which version it'll be but Oliver Stone posted on Facebook a few hours ago that Shout would be releasing JFK in December.
He was talking about the NBK release and at the end, he said...
https://www.facebook.com/TheOliverStone
Even people who were alive in 1994 will probably have trouble remembering how the portrayal of the media seemed over the top back then. That element of the movie just seems normal now.