So, I managed to fix the subtitles problem. I extracted the subs via MKVExtract as idx/sub files. Once the files were set as external, everything worked out great. The subtitles now look exactly as they should from the DVD.
So, I managed to fix the subtitles problem. I extracted the subs via MKVExtract as idx/sub files. Once the files were set as external, everything worked out great. The subtitles now look exactly as they should from the DVD.