CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins82% CONFIDENCEOverall confidence: 82%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better13 days agoHaitai's release dated 2026-09-21 says it is launching the cookie ("'버터링 with 에쉬레 버터'를 출시한다"), and Hankyung[4] reports Haitai "21일 밝혔다" the same day.
Haitai's limited Butter Ring uses France's Échiré butter at 7.4% content, double the original, with only 500,000 cases over three months.