TvOS 17 introduces stuttering

[MrTemple]

Solution found!

It’s thermal throttling.

I turned my AppleTV on its side, pointed a fan on it, and absolutely cannot get a frame to drop. I’m running a test without the fan now.

Plex 4K HDR Stuttering on AppleTV is Thermal Throttling

Plex Stutters when playing 4K HDR files via Direct Play on AppleTV. On all three revisions of the AppleTV 4K. Even with gigabit ethernet connection. It’s intermittent, hard for Plex to reproduce. Often the first 20min or so of a file will work fine, but then it starts to drop frames. The cause is thermal throttling from excessive CPU load. Which actually explains all the weirdness we’re seeing. We’ve been facing this issue for years. I’ve read so many threads, here and on reddit…