Can anyone confirm that Disney+ works in 4k and surround via digital out (Toslink)?
With the 8000 I have surround but only FullHD on Disney+ (Netflix is 4k!).
Disney+ in 4K works without any problems. Surround sound from streaming suppliers cannot be output via Toslink (as far as I know, a licensing problem). I had exactly the same requirement and solved it with an HDMI splitter, this one: Digitus HDMI eARC Converter/Splitter (Analog -> Digital)
This now works without any problems, picture from Disney+ in 4k and 5.1 Dolby Digital Plus via the second HDMI channel to the receiver.