I was experiencing something similar. I suspect there is a regression bug in the current version of Plex server that is affecting performance when subtitles are enabled. I downgraded to the test build from this thread and the problem went away.
I was experiencing something similar. I suspect there is a regression bug in the current version of Plex server that is affecting performance when subtitles are enabled. I downgraded to the test build from this thread and the problem went away.