Enable subtitles by default for new users

[OttoKerner]

@casperse

How do I do this DB change?

How-to Guide: Setting default language for audio track & subtitles on managed accounts (e.g. Guest)

Update: While someone below has claimed that from PMS 3.4.0 on default language setting is also supported for managed users, other users claim that it isn’t true for the audio. The following How-To Guide describes how to fix the default language issue in Plex Media Server, including version 3.4.0 (and likely thereafter) The fact that managed user accounts (which includes Guest) do ignore Plex Media Server’s global default language setting (so which audio track to pick, as well as subtitle behav…