Used for (meta.)puzzling.stackexchange - Creates & edits the corresponding meta posts with information from the main and meta site. E.g. creating a post for the new challenge every 2 weeks and updating the current post with new entries.
"Fortnightly Topic Challenges" are themed challenges posted every 2 weeks. This was done manually before. See https://puzzling.meta.stackexchange.com/questions/7032/fortnightly-topic-challenges-threrun-topic-suggestions