Maintainers for mysql-client are Debian MySQL Maintainers <pkg-mysql-maint@lists.alioth.debian.org>.
You may want to refer to the following packages that are part of the same source: libmysqlclient-dev, libmysqlclient21, mysql-client-8.0, mysql-client-core-8.0, mysql-router, mysql-server, mysql-server-8.0, mysql-server-core-8.0, mysql-source-8.0, mysql-testsuite, mysql-testsuite-8.0.
You might like to refer to the mysql-client package page, to the Package Tracking System, or to the source package src:mysql-8.0's bug page.
If you find a bug not listed here, please report it.