The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
MyAnimeList's[2] news report dates the Final Chapter announcement to the Jump Super Stage on Saturday, December 20, 2025.
MAL news reports the Jump Super Stage announced the final arc on Saturday, December 20, 2025.[1]
Wikipedia states a conclusion arc and the Narumi's Week at Work short were announced in December 2025.
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