Hi Sam
Correct.
Logs from playing “helicopter” then dts-x gravity before hotfix:
https://paste.osmc.tv/uvilaneyiq
Same thing after hotfix:
First helicopter, then dts-x gravity.
Dts-x still works, atmos is trnasmitted as truehd.
https://paste.osmc.tv/cegeyosana
Could it be related to this : Issue with DTS-HD and Vero4K - #91 by sam_nazarko
Denon and Marantz are essentially the same.