The file has been checked and confirmed to actually contain the high-quality 4K/HDR content it claims, rather than being a fake or a lower-quality "upscale".
: An open-standard HDR format (similar to Dolby Vision) that also uses dynamic metadata. Including both ensures compatibility across different HDR-capable displays (e.g., Samsung TVs for HDR10+ and LG/Sony for Dolby Vision).
I’ll split it into plausible tokens: