MariaDB 10.3

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select version();

version()

10.3.31-MariaDB

create table uuidbin ( id varbinary(36) primary key not null default(uuid()));
 insert into uuidbin values (),(),();
select * from uuidbin;

id

b49fe355-16bd-11ec-b86a-00163e65c1fb

b4a0464e-16bd-11ec-b86a-00163e65c1fb

b4a047ec-16bd-11ec-b86a-00163e65c1fb