The author of original article links to this one in their post: https://mathiasb...

		kerblang on Jan 12, 2022 \| parent \| context \| favorite \| on: In MySQL, use “utf8mb4” instead of “utf8” (2016) The author of original article links to this one in their post: https://mathiasbynens.be/notes/mysql-utf8mb4#utf8-to-utf8mb4 And yeah, there's gotchas in there, the main one being that strings that barely fit now won't fit, and also maximum lengths on indexable strings.