You can assign a container to specified website(Which multi account container still CAN'T). So your container changes when a website does not assigned it. To do that enable "Match domain only" and "Default container" option in addon's setting. You can use this rule "!sitedomain.*"(without quotation) assign any site to container. Example if we assign google's domain to google domain we should assign "!google.*" rule to Google container.
Bad thing is addon owner is not active well so it's not frequency updated. There is fork called "bifulushi" that updated frequently and has active development.