MariaDB refuses MySQL Workbench connections

Hello.

Does anybody know why MariaDB 10.4 is refusing connections via MySQL Workbench? Both server and client run in my workstation, so issues with firewall ports are discarded. So far, up to MariaDB 10.3, you just got a warning for possible incompatibilities but, as long as you didn’t use MariaDB’s specific features (i.e., sequences), it worked fine. There’re no issues with DBeaver 7 or mysql CLI.

MySQL Workbench.
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mysql CLI.
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DBeaver 7 using mariadb-java-client v2.4.3 connector.

Thanks and regards.