If you are looking at the technical file listing for You S04 COMPLETE 1080p NF WEB-DL x265 10bit HDR
This release string identifies a high-quality digital version of the fourth season of the Netflix series You S04 COMPLETE 1080p NF WEB-DL x265 10bit HDR...
: This is the High Efficiency Video Coding (HEVC) standard. It provides approximately 50% better compression than the older x264 codec while maintaining identical visual quality. This allows the full 10-episode season to occupy significantly less storage space. If you are looking at the technical file
HDR is the "secret sauce" of modern cinematography. It increases the contrast between the brightest whites and the darkest blacks. In Season 4, which moves the setting to the vibrant, academic halls of London, HDR makes the textures of the old architecture and the glow of city lights pop with realistic intensity. Why This Format Matters for Season 4 HDR is the "secret sauce" of modern cinematography
This is the most technically dense part of the filename. is a compression standard (HEVC), while 10bit is a color depth profile.