: [Director's Cut] — Since the Director's Cut has a different runtime than the theatrical version, this tag helps distinguish it.
For the subtitle to "auto-load" without you having to manually select it, ensure the filename is to your video file, excluding the extension: Video : Requiem.for.a.Dream.2000.DIRECTORS.CUT.1080p.mkv subtitle Requiem.for.a.Dream.DIRECTORS.CUT.2000...
To create a proper feature (filename) for the subtitle file you've mentioned, it should be formatted to match standard media server naming conventions (like Plex, Jellyfin, or Kodi) while preserving the release group and technical specs. : [Director's Cut] — Since the Director's Cut
: .srt — This is the most common format, though yours may be .ass or .sub depending on the original file. Best Practice for Matching subtitle Requiem.for.a.Dream.DIRECTORS.CUT.2000...