diff --git a/usermods/PIR_sensor_switch/usermod_PIR_sensor_switch.h b/usermods/PIR_sensor_switch/usermod_PIR_sensor_switch.h
index 8a4b9a608..62bf3d9df 100644
--- a/usermods/PIR_sensor_switch/usermod_PIR_sensor_switch.h
+++ b/usermods/PIR_sensor_switch/usermod_PIR_sensor_switch.h
@@ -70,6 +70,7 @@ private:
 
   // Home Assistant
   bool HomeAssistantDiscovery = false;        // is HA discovery turned on
+  int16_t idx = -1; // Domoticz virtual switch idx
 
   // strings to reduce flash memory usage (used more than twice)
   static const char _name[];
@@ -83,6 +84,7 @@ private:
   static const char _haDiscovery[];
   static const char _notify[];
   static const char _override[];
+  static const char _domoticzIDX[];
 
   /**
    * check if it is daytime
@@ -196,6 +198,7 @@ const char PIRsensorSwitch::_offOnly[]        PROGMEM = "off-only";
 const char PIRsensorSwitch::_haDiscovery[]    PROGMEM = "HA-discovery";
 const char PIRsensorSwitch::_notify[]         PROGMEM = "notifications";
 const char PIRsensorSwitch::_override[]       PROGMEM = "override";
+const char PIRsensorSwitch::_domoticzIDX[]    PROGMEM = "domoticz-idx";
 
 bool PIRsensorSwitch::isDayTime() {
   updateLocalTime();
@@ -271,9 +274,20 @@ void PIRsensorSwitch::publishMqtt(const char* state)
 #ifndef WLED_DISABLE_MQTT
   //Check if MQTT Connected, otherwise it will crash the 8266
   if (WLED_MQTT_CONNECTED) {
-    char buf[64];
+    char buf[128];
     sprintf_P(buf, PSTR("%s/motion"), mqttDeviceTopic);   //max length: 33 + 7 = 40
     mqtt->publish(buf, 0, false, state);
+    // Domoticz formatted message
+    if (idx > 0) {
+      StaticJsonDocument <128> msg;
+      msg[F("idx")]       = idx;
+      msg[F("RSSI")]      = WiFi.RSSI();
+      msg[F("command")]   = F("switchlight");
+      strcpy(buf, state); buf[0] = toupper(buf[0]);
+      msg[F("switchcmd")] = (const char *)buf;
+      serializeJson(msg, buf, 127);
+      mqtt->publish("domoticz/in", 0, false, buf);
+    }
   }
 #endif
 }
@@ -482,6 +496,7 @@ void PIRsensorSwitch::addToConfig(JsonObject &root)
   top[FPSTR(_offOnly)]        = m_offOnly;
   top[FPSTR(_override)]       = m_override;
   top[FPSTR(_haDiscovery)]    = HomeAssistantDiscovery;
+  top[FPSTR(_domoticzIDX)]    = idx;
   top[FPSTR(_notify)]         = (NotifyUpdateMode != CALL_MODE_NO_NOTIFY);
   DEBUG_PRINTLN(F("PIR config saved."));
 }
@@ -521,6 +536,7 @@ bool PIRsensorSwitch::readFromConfig(JsonObject &root)
   m_offOnly       = top[FPSTR(_offOnly)] | m_offOnly;
   m_override      = top[FPSTR(_override)] | m_override;
   HomeAssistantDiscovery = top[FPSTR(_haDiscovery)] | HomeAssistantDiscovery;
+  idx             = top[FPSTR(_domoticzIDX)] | idx;
 
   NotifyUpdateMode = top[FPSTR(_notify)] ? CALL_MODE_DIRECT_CHANGE : CALL_MODE_NO_NOTIFY;
 
@@ -549,5 +565,5 @@ bool PIRsensorSwitch::readFromConfig(JsonObject &root)
     DEBUG_PRINTLN(F(" config (re)loaded."));
   }
   // use "return !top["newestParameter"].isNull();" when updating Usermod with new features
-  return !top[FPSTR(_override)].isNull();
+  return !top[FPSTR(_domoticzIDX)].isNull();
 }
diff --git a/usermods/Temperature/usermod_temperature.h b/usermods/Temperature/usermod_temperature.h
index a15baf878..0b9bbbda7 100644
--- a/usermods/Temperature/usermod_temperature.h
+++ b/usermods/Temperature/usermod_temperature.h
@@ -48,6 +48,7 @@ class UsermodTemperature : public Usermod {
     bool enabled = true;
 
     bool HApublished = false;
+    int16_t idx = -1;   // Domoticz virtual sensor idx
 
     // strings to reduce flash memory usage (used more than twice)
     static const char _name[];
@@ -55,6 +56,7 @@ class UsermodTemperature : public Usermod {
     static const char _readInterval[];
     static const char _parasite[];
     static const char _parasitePin[];
+    static const char _domoticzIDX[];
 
     //Dallas sensor quick (& dirty) reading. Credit to - Author: Peter Scargill, August 17th, 2013
     float readDallas();
@@ -264,7 +266,7 @@ void UsermodTemperature::loop() {
 
 #ifndef WLED_DISABLE_MQTT
     if (WLED_MQTT_CONNECTED) {
-      char subuf[64];
+      char subuf[128];
       strcpy(subuf, mqttDeviceTopic);
       if (temperature > -100.0f) {
         // dont publish super low temperature as the graph will get messed up
@@ -274,6 +276,16 @@ void UsermodTemperature::loop() {
         mqtt->publish(subuf, 0, false, String(getTemperatureC()).c_str());
         strcat_P(subuf, PSTR("_f"));
         mqtt->publish(subuf, 0, false, String(getTemperatureF()).c_str());
+        if (idx > 0) {
+          StaticJsonDocument <128> msg;
+          msg[F("idx")]    = idx;
+          msg[F("RSSI")]   = WiFi.RSSI();
+          msg[F("nvalue")] = 0;
+          msg[F("svalue")] = String(getTemperatureC());
+          serializeJson(msg, subuf, 127);
+          DEBUG_PRINTLN(subuf);
+          mqtt->publish("domoticz/in", 0, false, subuf);
+        }
       } else {
         // publish something else to indicate status?
       }
@@ -360,6 +372,7 @@ void UsermodTemperature::addToConfig(JsonObject &root) {
   top[FPSTR(_readInterval)] = readingInterval / 1000;
   top[FPSTR(_parasite)] = parasite;
   top[FPSTR(_parasitePin)] = parasitePin;
+  top[FPSTR(_domoticzIDX)] = idx;
   DEBUG_PRINTLN(F("Temperature config saved."));
 }
 
@@ -386,6 +399,7 @@ bool UsermodTemperature::readFromConfig(JsonObject &root) {
   readingInterval   = min(120,max(10,(int)readingInterval)) * 1000;  // convert to ms
   parasite          = top[FPSTR(_parasite)] | parasite;
   parasitePin       = top[FPSTR(_parasitePin)] | parasitePin;
+  idx               = top[FPSTR(_domoticzIDX)] | idx;
 
   if (!initDone) {
     // first run: reading from cfg.json
@@ -406,7 +420,7 @@ bool UsermodTemperature::readFromConfig(JsonObject &root) {
     }
   }
   // use "return !top["newestParameter"].isNull();" when updating Usermod with new features
-  return !top[FPSTR(_parasitePin)].isNull();
+  return !top[FPSTR(_domoticzIDX)].isNull();
 }
 
 void UsermodTemperature::appendConfigData() {
@@ -430,3 +444,4 @@ const char UsermodTemperature::_enabled[]      PROGMEM = "enabled";
 const char UsermodTemperature::_readInterval[] PROGMEM = "read-interval-s";
 const char UsermodTemperature::_parasite[]     PROGMEM = "parasite-pwr";
 const char UsermodTemperature::_parasitePin[]  PROGMEM = "parasite-pwr-pin";
+const char UsermodTemperature::_domoticzIDX[]  PROGMEM = "domoticz-idx";
diff --git a/usermods/multi_relay/usermod_multi_relay.h b/usermods/multi_relay/usermod_multi_relay.h
index 0bf1871c7..7c8456f0e 100644
--- a/usermods/multi_relay/usermod_multi_relay.h
+++ b/usermods/multi_relay/usermod_multi_relay.h
@@ -803,13 +803,6 @@ bool MultiRelay::readFromConfig(JsonObject &root) {
     _relay[i].external = top[parName][FPSTR(_external)]   | _relay[i].external;
     _relay[i].delay    = top[parName][FPSTR(_delay_str)]  | _relay[i].delay;
     _relay[i].button   = top[parName][FPSTR(_button)]     | _relay[i].button;
-    // begin backwards compatibility (beta) remove when 0.13 is released
-    parName += '-';
-    _relay[i].pin      = top[parName+"pin"] | _relay[i].pin;
-    _relay[i].invert   = top[parName+FPSTR(_activeHigh)] | _relay[i].invert;
-    _relay[i].external = top[parName+FPSTR(_external)]   | _relay[i].external;
-    _relay[i].delay    = top[parName+FPSTR(_delay_str)]  | _relay[i].delay;
-    // end compatibility
     _relay[i].delay    = min(600,max(0,abs((int)_relay[i].delay))); // bounds checking max 10min
   }