New collations in MySQL 8.0.0
Since MySQL 5.5, MySQL has supported the utf8mb4 character set. With the character-set defining the repertoire of characters that can be stored (utf8mb4 can present Unicode characters from U+0000 to U+10FFFF), a collation defines how sorting order and comparisons should behave.…
Source: New collations in MySQL 8.0.0
