I’m running Plex Media Server on a Mac mini serving different AppleTV4s. Generally works fine with 4K HDR (even though some seem to claim that is not possible). But recently resuming these HEVC videos either doesnt work or it takes forever but eventually does resume. About 30-60 seconds. Usually it involves restarting the movie from start and then skipping ahead. By the way starting the same videos is near instant.
Anyone knows what is up? Seems to be the same regardless of iDevice.