With or without this idea, it would be nice if a multilingual post that is edited to add a new translation is treated as a new post and thus listed again in the Unread section of the forum, so that people become aware of it. I believe that people won't constantly check if posts that are of interest to them but are in a language they don't understand received a translation. Maybe this could be made configurable in the options so people not caring about this aren't bothered by many supposedly unread posts.
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