"The movie database" now has movie specific boards.
If you are looking for somewhere to migrate to.
https://www.themoviedb.org/tv/1855-star-trek-voyager
Scroll down to 'Social' and click 'Discussions'.
Theres a "Go to Discussions" button.
I'm there.
As you've found, that site recently reopened its forums for all
of the shows, movies, and people in its database.