The issue of localizing Fallout London is being resolved by the community.
Recently, the Rabbit and Pork expansion with new content was released for the large-scale Fallout London mod.
Simbian312 ("Fan of Todd Howard") responded to it and announced the release of an updated version of the Russifier on the Boosty channel:
"In general, as before, this is an AI-based translation, but, as before, it will be updated and corrected by our community over time!"
