Hi, according to the topic that you linked to, the dashboard links in your Markdown visualization needs to be updated to a new format.
Old format: /app/kibana#/dashboard/79ffd6e0-faa0-11e6-947f-177f697178b8-ecs
New format: /app/kibana#/view/79ffd6e0-faa0-11e6-947f-177f697178b8-ecs