- {'old': 'matrix_nginx_proxy_container_labels_traefik_proxy_matrix_rule', 'new':'<split into matrix_nginx_proxy_container_labels_traefik_proxy_matrix_client_rule and matrix_nginx_proxy_container_labels_traefik_proxy_matrix_federation_rule>'}
- {'old': 'matrix_nginx_proxy_container_labels_traefik_proxy_matrix_hostname', 'new':'<split into matrix_nginx_proxy_container_labels_traefik_proxy_matrix_client_hostname and matrix_nginx_proxy_container_labels_traefik_proxy_matrix_federation_hostname>'}
- {'old': 'matrix_nginx_proxy_proxy_jitsi_additional_jvbs', 'new':'<auto-determined from the jitsi_jvb_servers group in inventory/hosts - see docs/configuring-playbook-jitsi.md>'}
- name:Fail on unknown matrix_ssl_retrieval_method