The Aluminum Falcon said:
Unfortunate yet minor. Any chance that the restoration company thought it was a blemish or just simply did it without Spielberg's knowledge or consent?
Yeah, it's nothing to be upset about, it's tastefully done like the well of the souls-reflection, for you who don't know it was basically just a tiny white spot on the horizon in a few shots. I recall reading in some article that they made a few corrections and cleanups of some visible production equipments and other flaws, so I guess this thing was included in that category. But who knows, an automatic process might pick it up as a speck of dirt.
I found a cap of it:
One of those blink and you miss it. ;)