Be wary that high bitrate 4K media may cause issues with playback buffering.
This could be Jellyfin, AppleTV, or it could be network/storage related (due to needing high speed data transfer).
I second using the Infuse app for playback. It works wonderfully!







Slightly pedantic, but according to core-utils GitHub, false.c has not been changed in 21 years. But true.c, which is what false.c is based on, has been changed as recent as 4 months ago.
~I couldn’t resist looking it up, and found the results mildly interesting.~