mqttConnections.things
Bridge mqtt:broker:mosquitto [ host="localhost", secure=false ]
xiaomi.items
Dimmer Xiaomi_Brightness "Brightness" {channel="mihome:gateway:7811dcb24f2c:brightness", mqtt=">[mosquitto:xiaomiGW/brightness/pub:command:*:default],>[mosquitto:xiaomiGW/brightness/state:state:*:default], <[mosquitto:xiaomiGW/brightness/cmd:command:default]"}
it worked with 2.3 but now, nothing is published on mqtt server.