This is a "bit depth" descriptor. Standard video is 8-bit. A 10-bit file allows for over a billion colors, which significantly reduces "banding" (those ugly lines you see in gradients like sunsets or dark shadows).
Additionally, the user might want technical details on how such files are created, the quality considerations, and maybe alternatives for legally accessing such content.
For the colors—the deep, impossible crimsons and neon greens that the director intended, rendered without a single band of digital artifacting. thesubstance2024720p10bitwebripx265esub
: The source of the video was captured (ripped) from a streaming service rather than a physical disc.
When you see a filename like the one you provided, it describes the digital "DNA" of the video: This is a "bit depth" descriptor
. Each part of the filename describes the technical quality and format of the video file: thesubstance2024 : The title of the movie, The Substance
8/10
The phrase "solid feature covering thesubstance2024720p10bitwebripx265esub" appears to be a description of a specific digital release for the 2024 film The Substance