I just came here to drop a nugget of knowledge.
If you have the Dolby Atmos blu ray from Germany of this film...
And if you have the "unreleased" 4K version of the film, which only has a DTS-MA 5.1 audio track...
You can mux the Atmos track onto the 4K video, with a delay of 1210 milliseconds (i.e. 29 frames), and you will have perfectly sync'd Atmos to the 4K video.
I also suggest using the 25-chapter list from the blu ray versus the 9-chapter list from the 4K; it, too, will need a 1210 ms delay obviously.
(Do not attempt the other way 'round: do not attempt to mux the video with a negative 1210 ms delay onto the blu ray audio.)
(Awesome shot of the Twin Towers right at end of movie... sad.)
Cheers.
The Atmos track is superior imho.