2024-09-26, 08:38 AM
So... it seems the problem was not really Jellyfin.
To explain, at first, I had all my movies on my NAS and I simply used Kodi to have the information. So Kodi had created some nfo with information about the movies, not about the collection, but a collection name was implemented in the nfo of the movie.
But I did not updated those nfo before starting Jellyfin and linked it to Kodi, so in my case I think it was the reason for all this problem.
I erased the nfo files, made the changes in the metadata and for now they are kept.
To explain, at first, I had all my movies on my NAS and I simply used Kodi to have the information. So Kodi had created some nfo with information about the movies, not about the collection, but a collection name was implemented in the nfo of the movie.
But I did not updated those nfo before starting Jellyfin and linked it to Kodi, so in my case I think it was the reason for all this problem.
I erased the nfo files, made the changes in the metadata and for now they are kept.