Hi.
I've attached the resulting JSON generated by V2 version. Tests with the new V3 will follow.
They are exactly the same .nfo files as used in my collection so I don't know where the differences came from. If it matters, I'm using the "official" MP 2.2.1 version, no TC builds or whatever...then you have a different test data.
In my DB the series has an ExternalIdentifierAspect with Source = "NAME" and Type = "SERIES" but none with Source = "TVDB" or "TMDB". The import settings are to only use local data sources, no online sources at all...The one you've posted gets imported by MP2 without the ExternalIdentifierAspect.
I've attached the resulting JSON generated by V2 version. Tests with the new V3 will follow.