Before this commit, `/fr_BE/` and `/fr_BE` would both be served without one being redirected to the other. That would be considered as duplicate content, as 2 different URLs would be serving the same content. opw-2505818 opw-2513575 Community: https://github.com/odoo/odoo/pull/71065 Enterprise: https://github.com/odoo/enterprise/pull/18615