It is a 1:1 copy of the disc; what the director intended is exactly what you see.
The rise of 4K remux movies is a significant development in the world of home entertainment. As more devices become capable of playing 4K content, and as the cost of 4K hardware continues to decline, we can expect to see more people making the switch to 4K. 4k remux movies
Because the data is untouched, there is zero loss in detail, color accuracy, or dynamic range. Remux vs. Encode: Why File Size Matters It is a 1:1 copy of the disc;
Let’s be honest. 4K REMUX is not for everyone. there is zero loss in detail