I was a regular Plex user, until they had their mental breakdown recently. So I switched to jellyfin. I have only two problems with jellyfin so far. One of them is subtitles (the other is the “remote controller” doesn’t always sync properly).
Plex had an integrated subtitle downloader. You could just start a show, see that it was lacking subtitles and Plex could isntantly download subtitles for you. That doesn’t seem to work in Jellyfin.
Is there an option or a plugin somewhere that can do/fix this for jellyfin?
I’m old school, I just get the subs and integrate them with MkvToolNix. I was always super picky about my files, so I’d go in there and change around what the active/enabled/default streams were, give the streams better names (e.g. Stereo, Surround 5.1, whatever was appropriate — I never included the language, since the tag handled that). I’d even use en-us or en-gb if it was specifically one or the other (e.g. James Bond, Harry Potter for the latter). I even insisted my subtitles be in English for English movies, and American English for American English movies. So like, the word “honor” in a Harry Potter movie would not fly with me, it must say “honour” because… that’s what the English specifically say. (Speaking of Harry Potter, no “Sorcerer’s Stone” bullshit in my library, I have the “Philosopher’s Stone” version because, of course I do. The first one was the only one with a regional title.)
So because of that, I can use Jellyfin and the subs work just fine.
I am familiar with Plex’s auto sub downloader. Despite owning a lifetime Plex Pass, it would put ads in the subtitles. That may be on the site’s end though, not Plex’s.
Still a Plex user, and I’m on a Mac, but all this shit works whether you’re a Windows user or a Mac user. Probably Linux, too. I tried Jellyfin recently. It’s fine if your clients are running Android, but they are just not there on Apple devices yet. My computer (M2 Pro) is plenty powerful enough to run both servers (servers use very little resources when not serving) but I just don’t see a need for Jellyfin in my rotation. I do root for the project though, I want it to succeed, so I’ll try it every year or so.