^ spambots, or AI spambots?
Like in here: https://originaltrilogy.com/topic/my-uploaded-avatar-image-is-not-showing/id/82707/page/1#1586317
There are some threads on the changes made to original series and films (music or edits and such) when released years later on DVD, blu ray or streaming services etc in the ‘General, Technical & Format Discussions’ category of An Index Of Projects & Help Thread for Preservation of Other Properties. They may be helpful to you?