That explains a lot, then. When I was on Vlemmy before it was deleted “All” seemed a lot more populated, now I moved to a smaller instance and it seems a lot more repetitive.
It’s a shame it works that way since everyone says the “ideal” is a ton of small instances rather than big ones.
Thanks for the clarification!
Almost always this is a player issue as mentioned. I’ve had similar issues with some files where audio just doesn’t work on one player but works fine for another. Same with subtitles. Set to an external player like VLC and see if that fixes it. (For what it’s worth, I mostly access Jellyfin from my Chromecast and I have it set to prompt me for a player each time I start watching something, one of them always works but for my files it isn’t consistent which)