Ohhh… well discovered. Many thanks! The “PMs between individuals will not be translated” part is not apparent at all in the UI. It just indicates it has already been translated, and allows you to translate on a per-post basis.
I’d love to see that decision reconsidered because in my use case I can well imagine people who prefer different languages wanting to talk to each other 1:1 in a PM.
The setting also does not mention 1:1 PMs:
