MySQL 8.0.3 adds the following collations that weren't in 8.0.1 (#242): ID | Collation --- | --- | 304 | utf8mb4_ja_0900_as_cs_ks | | 305 | utf8mb4_0900_as_ci | | 306 | utf8mb4_ru_0900_ai_ci | | 307 | utf8mb4_ru_0900_as_cs |