YouTube uses FFMPEG scripts to encode 8K content into various formats, including 8K H.264 (often seen as part of high-end desktop streaming).
Creators often shoot in 8K not to deliver 8K, but to have the flexibility to "crop in" or stabilize footage without losing 4K quality.
8K video files are enormous. For instance, just 30 minutes of 8K footage can require over 100 GB of storage space. "Reviewing" the 8K Experience
“It just won't playback with hardware acceleration because it's out of standard; it'll need a software package that can decode it.” www.mysterybox.us · 9 years ago Common Use Cases
In the tech community, the "review" of 8K content generally focuses on the trade-off between breathtaking visual clarity and the sheer difficulty of handling the files.
Video Upload Requirements * 1920x1080 (Full HD) * 1080p progressive scan. How do I play 8K photos and videos on my 8K TV? - Sony
Playing back an 8K MP4 file requires significant processing power. Often, standard hardware acceleration won't work, necessitating specialized software decoders like FFMPEG .