Chromecast Ultra with Plex Media Server

Chromecast.xml

<?xml version="1.0" encoding="utf-8"?>
<Client name="Chromecast">
  <TranscodeTargets>
    <VideoProfile protocol="http" container="mkv" codec="h264,hevc" audioCodec="eac3,ac3" subtitleFormat="ass,srt" context="streaming"/>
    <SubtitleProfile container="ass" codec="ass" context="all" />
  </TranscodeTargets>
  <DirectPlayProfiles>
    <VideoProfile container="mp4" codec="hevc,mpeg1video,mpeg2video,h264,mpeg4" audioCodec="eac3,ac3,mp3,mp2"/>
    <VideoProfile container="mkv" codec="vp9,hevc,mpeg1video,mpeg2video,h264,mpeg4" audioCodec="eac3,ac3,mp3,mp2,pcm,flac,alac,truehd" subtitleFormat="ass,srt"/>
    <MusicProfile container="mp3" codec="mp2,mp3"/>
    <MusicProfile container="ac3" codec="ac3"/>
    <MusicProfile container="mp4" codec="aac"/>
    <MusicProfile container="flac" codec="flac"/>
    <MusicProfile container="wav" codec="pcm"/>
    <PhotoProfile container="jpeg,png,gif"/>
  </DirectPlayProfiles>
  <CodecProfiles>
    <VideoCodec name="*">
      <Limitations>
        <UpperBound name="video.width" value="3840"/>
        <UpperBound name="video.height" value="2176"/>
        <UpperBound name="video.bitrate" value="75000"/>
      </Limitations>
    </VideoCodec>
    <VideoAudioCodec name="ac3,eac3">
      <Limitations>
        <UpperBound name="audio.channels" value="6"/>
      </Limitations>
    </VideoAudioCodec>
  </CodecProfiles>
</Client>

Fixed an issue with playing subtitles. With this version, playing a video with external SRT subtitles work. However, embedded subtitles do not.