support for mysql 8 "additional_password" user attribute

[john danilson]

The process of password changes is easier with MySQL 8 with the addition of the ability to store a new password while simultaneously retaining the old password.   The feature in MySQL is described here:

https://www.percona.com/blog/using-mysql-8-dual-passwords/

Can proxysql support this as of release 2.6?

If not supported, is there a roadmap of when this will be supported?

Thanks

John