https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis-11#name-motivation https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc... ULID isn

https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis-11#name-motivation https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc... ULID isn't an "official" standard like UUID. Having a real standard usually promotes interoperability and makes it easier to use. Additionally as others have pointed out you can already use UUIDv7 with some databases since it's just 16 opaque bytes and the database doesn't care what's actually in the UUID field.