All spoilers about the movie should go here.
The Rogue One non-spoiler thread can be found here - Star Wars: Rogue One - * Non Spoiler Discussion Thread *
‘Rogue One: A Star Wars Story - Official Teaser Trailer’:-
www.youtube.com/watch?v=Wji-BZ0oCwg - a 2 minute teaser trailer at the official Star Wars youtube channel