@markus7017, I get the following error with the beta binding for 3.4.2 when trying to initialize a Pro 3EM.
OMMUNICATION_ERROR
Unexpected error: Unable to create object of type Shelly2DeviceStatus$Shelly2DeviceStatusResult from JSON (syntax/format error: java.lang.IllegalStateException: Expected null but was NUMBER at line 1 column 339 path $.em:0.total_current): {"ble":{},"cloud":{"connected":true},"em:0":{"id":0.0,"a_current":0.726,"a_voltage":240.9,"a_act_power":33.9,"a_aprt_power":174.8,"a_pf":-0.55,"b_current":1.067,"b_voltage":237.9,"b_act_power":162.8,"b_aprt_power":253.7,"b_pf":-0.74,"c_current":0.809,"c_voltage":238.4,"c_act_power":95.3,"c_aprt_power":192.6,"c_pf":-0.66,"total_current":2.601,"total_act_power":292.057,"total_aprt_power":621.023,"user_calibrated_phase":[]},"emdata:0":{"id":0.0,"a_total_act_energy":9782.02,"a_total_act_ret_energy":0.0,"b_total_act_energy":22545.2,"b_total_act_ret_energy":0.0,"c_total_act_energy":20184.03,"c_total_act_ret_energy":0.0,"total_act":52511.24,"total_act_ret":0.0},"eth":{},"modbus":{},"mqtt":{"connected":false},"sys":{"mac":"C8F09E8966D0","restart_required":false,"time":"12:58","unixtime":1.680001083E9,"uptime":442667.0,"ram_size":232136.0,"ram_free":118340.0,"fs_size":524288.0,"fs_free":172032.0,"cfg_rev":11.0,"kvs_rev":0.0,"webhook_rev":0.0,"available_updates":{}},"temperature:0":{"id":0.0,"tC":47.7,"tF":117.9},"wifi":{"sta_ip":"192.168.0.34","status":"got ip","ssid":"Skynet","rssi":-70.0},"ws":{"connected":false}}(class com.google.gson.JsonSyntaxException)