That is not a small improvement. That is a firehose compared to a garden hose.
It is a direct, untouched copy of the video and audio tracks from a 4K Blu-ray disc. No re-encoding. No compression. No “scene release” group trying to shave off 10GB to make seeding easier. It is just repackaged from the disc’s .m2ts container into a .mkv file. remux 4k
⭐⭐⭐⭐½ (One star off because my electricity bill is now the GDP of a small nation). That is not a small improvement
Watch the opening of The Batman (2022) as a REMUX. The rain isn’t just “wet”; you can see the structure of the droplets. The film grain—that beautiful, organic noise that directors like Nolan and Villeneuve refuse to kill—is intact. On a stream, grain gets smeared into digital Vaseline. On a REMUX, it dances. It breathes. No re-encoding