For users with a large library of varied MKV files (including DTS audio or HEVC video), utilizing a media server solution like or Emby is highly recommended to ensure seamless playback without manual file conversion.
If your MKV is in an unsupported format, Plex will "transcode" it (convert it on the fly) so your Roku can play it perfectly. Troubleshooting Common Issues "File Not Supported" or "Unable to Play" can roku play mkv files
Many MKV files contain codecs Roku support, such as: For users with a large library of varied