I've just purchased issue 2 of the new Planet Rock magazine which features Queen on the Front Cover and contains some excellent Queen articles, well worth seeking out in my humble opinion. However below is a direct quote from the magazine article
NEWS OF THE WORLD landed in record shops on October 28th, 1977. Forty years later, it's poised to make a reappearance with the autumn release of an expanded anniversary edition
So there you have it, let the speculation begin. This could be the best archival release yet by the band.
Just to add to the speculation, interesting to see Rhys Thomas at the Hollywood Bowl concert recently, especially as he expressed a wish to work on the unfinished, unreleased Bob Harris documentary from 1977.