This is a thorough guide: https://saveriomiroddi.github.io/An-in-depth-dbas-guide-to-migrating-a-mysql-database-from-the-utf8-to-the-utf8mb4-charset https://sav

This is a thorough guide: https://saveriomiroddi.github.io/An-in-depth-dbas-guide-to-migrating-a-mysql-database-from-the-utf8-to-the-utf8mb4-charset https://saveriomiroddi.github.io/An-in-depth-dbas-guide-to-m... The encoding/collation problem is now settled - the problem has been legacy, and especially, the somewhat mismanaged, rushed, change in 8.0.