Blink and you will miss some of the best secrets in Kingdom Hearts III, like a watermark that someone accidentally left while rendering the cut scenes.
Do you see where "Arnold" says up there by Elsa's arm (through Reddit)? That's a great watermark you'll get in Maya animation software if you do not have an Arnold rendering license while trying to render a scene in batches. You have to try Really hard to see, since it only appears for a single frame, but go at 9:55 here to see it for yourself:
Video games are usually represented in real time, generating graphic effects as you move around the world, but cut scenes like this one (from the Frozen world) are usually pre-rendered. Any of the computers that handled that process clearly did not have Arnold's license installed. Whoops.
Or maybe this is a subtle reference to Mr. Freeze. Or maybe Kingdom Hearts III It took so long, their licenses expired on the way.