I think you may be right about the health of this forum! The top posts say it should be used as a friendly contact point between users, while enquiries should be directed elsewhere.
Maybe the experts don't get involved in answering questions here for that reason.
I have recently downloaded the latest (free) version and glissandi appear as an option on the right hand side. You have an option of a wiggly line gliss, a straight line gliss and a straight line port.