emqttd#796: Unable to forbidden tcp lisener

emqttd#814: Cannot remove a ‘DOWN’ node from the cluster

emqttd#795: Fix metrics of websocket connections

emq-dashboard#88: Rename the default topic from “/World” to “world”

emq-dashboard#85: Comment the default listener port

emq-mod-retainer#3: Retained messages get lost after EMQTT broker restart.