This smells like BS, but what do I know? Disney laid the completed cut out onto HD tape and then... didn't bother making any copies of the digital tape? A likely story. And why on earth would this film be remastered?
LG B7 (OLED65B7P, 2017 -- bought 2017/05/31 & I couldn't be happier so far!) | Panasonic CX850 (TC-55CX850U, 2015 -- bought OLED to replace it due to poor off-angle, weird HDR colors, etc.) UHD: Philips BDP7501 | HD: PS3, WD TV Live
Denon AVR-890 (2009)