Actually i was just checking the reviews of Q90R, as per the techradar (https://www.techradar.com/reviews/samsung-hw-q90r-soundbar) Q90r should be supporting eARC feature.  Not sure whether this is a true statement. ... View more

@smuller76, thanks for clarifying.  So does it mean, if i use the streaming app (like Netfix, Hulu, Prime Video, Youtube) from my xbox do i still get the complete loseless audio on my soundbar?  OR It will still deliver DD+ 5.1 losy atmos? ... View more

But one thing i cannot understand.  Even right now when i stream movies online from TV (ex, VUDU app) i still get Atmos audio on my soundbar via HDMI ARC. So if the current setup already provides Atmos support, why to worry about eARC update? ... View more

I think whatever you have said is true.  I would also say we don't have to worry about eARC upgrade much (in my opinion), as i currently use my xbox one x as the 4k uhd streaming device connected directly to my Q90R soundbar and the HDMI ARC is going from Soundbar to my Samsung TV.  So i'm really not going to loss any audio here (correct me if i'm wrong), I get to hear high quality ATMOS or DTS:X audio streamed from xbox and the 4K HDR video on my TV screen.  Only simplification is, if the Soundbar comes with eARC firmware upgrade, i'll just connect the xbox source directly to my TV and stream both audio & video via eARC.  In both cases, i'm not going to miss anything. ... View more