diff --git a/CHANGELOG.md b/CHANGELOG.md
index 03bde2e..72c41c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ### Builds after release 0.12.0
 
+#### Build 2104120
+
+-   Added switch support (button macro is switch closing action, long press macro switch opening)
+-   Replaced Circus effect with new Running Dual effect (Circus is Tricolor Chase with Red/White/Black)
+-   Fixed ledmap with multiple segments (PR #1864)
+
 #### Build 2104030
 
 -   Fixed ESP32 crash on Drip effect with reversed segment (#1854)
diff --git a/wled00/button.cpp b/wled00/button.cpp
index 22e71a6..c263a66 100644
--- a/wled00/button.cpp
+++ b/wled00/button.cpp
@@ -4,6 +4,8 @@
  * Physical IO
  */
 
+#define WLED_DEBOUNCE_THRESHOLD 50 //only consider button input of at least 50ms as valid (debouncing)
+
 void shortPressAction()
 {
   if (!macroButton)
@@ -25,10 +27,42 @@ bool isButtonPressed()
 }
 
 
+void handleSwitch()
+{
+  if (buttonPressedBefore != isButtonPressed()) {
+    buttonPressedTime = millis();
+    buttonPressedBefore = !buttonPressedBefore;
+  }
+
+  if (buttonLongPressed == buttonPressedBefore) return;
+    
+  if (millis() - buttonPressedTime > WLED_DEBOUNCE_THRESHOLD) { //fire edge event only after 50ms without change (debounce)
+    if (buttonPressedBefore) { //LOW, falling edge, switch closed
+      if (macroButton) applyPreset(macroButton);
+      else { //turn on
+        if (!bri) {toggleOnOff(); colorUpdated(NOTIFIER_CALL_MODE_BUTTON);}
+      } 
+    } else { //HIGH, rising edge, switch opened
+      if (macroLongPress) applyPreset(macroLongPress);
+      else { //turn off
+        if (bri) {toggleOnOff(); colorUpdated(NOTIFIER_CALL_MODE_BUTTON);}
+      } 
+    }
+    buttonLongPressed = buttonPressedBefore; //save the last "long term" switch state
+  }
+}
+
+
 void handleButton()
 {
-  if (btnPin<0 || !buttonEnabled) return;
+  if (btnPin<0 || buttonType < BTN_TYPE_PUSH) return;
 
+
+  if (buttonType == BTN_TYPE_SWITCH) { //button is not momentary, but switch. This is only suitable on pins whose on-boot state does not matter (NO gpio0)
+    handleSwitch(); return;
+  }
+
+  //momentary button logic
   if (isButtonPressed()) //pressed
   {
     if (!buttonPressedBefore) buttonPressedTime = millis();
@@ -48,7 +82,7 @@ void handleButton()
   else if (!isButtonPressed() && buttonPressedBefore) //released
   {
     long dur = millis() - buttonPressedTime;
-    if (dur < 50) {buttonPressedBefore = false; return;} //too short "press", debounce
+    if (dur < WLED_DEBOUNCE_THRESHOLD) {buttonPressedBefore = false; return;} //too short "press", debounce
     bool doublePress = buttonWaitTime;
     buttonWaitTime = 0;
 
diff --git a/wled00/cfg.cpp b/wled00/cfg.cpp
index 1261140..4955eec 100644
--- a/wled00/cfg.cpp
+++ b/wled00/cfg.cpp
@@ -137,7 +137,7 @@ void deserializeConfig() {
   if (hw_led["rev"]) busses.getBus(0)->reversed = true; //set 0.11 global reversed setting for first bus
 
   JsonObject hw_btn_ins_0 = hw[F("btn")][F("ins")][0];
-  CJSON(buttonEnabled, hw_btn_ins_0["type"]);
+  CJSON(buttonType, hw_btn_ins_0["type"]);
   int hw_btn_pin = hw_btn_ins_0[F("pin")][0];
   if (pinManager.allocatePin(hw_btn_pin,false)) {
     btnPin = hw_btn_pin;
@@ -477,7 +477,7 @@ void serializeConfig() {
 
   // button BTNPIN
   JsonObject hw_btn_ins_0 = hw_btn_ins.createNestedObject();
-  hw_btn_ins_0["type"] = (buttonEnabled) ? BTN_TYPE_PUSH : BTN_TYPE_NONE;
+  hw_btn_ins_0["type"] = buttonType;
 
   JsonArray hw_btn_ins_0_pin = hw_btn_ins_0.createNestedArray("pin");
   hw_btn_ins_0_pin.add(btnPin);
diff --git a/wled00/const.h b/wled00/const.h
index e6d6d1f..89492a1 100644
--- a/wled00/const.h
+++ b/wled00/const.h
@@ -135,7 +135,7 @@
 #define BTN_TYPE_RESERVED         1
 #define BTN_TYPE_PUSH             2
 #define BTN_TYPE_PUSH_ACT_HIGH    3 //not implemented
-#define BTN_TYPE_SWITCH           4 //not implemented
+#define BTN_TYPE_SWITCH           4
 #define BTN_TYPE_SWITCH_ACT_HIGH  5 //not implemented
 
 //Ethernet board types
diff --git a/wled00/data/settings_sync.htm b/wled00/data/settings_sync.htm
index 37b56e6..c1e2819 100644
--- a/wled00/data/settings_sync.htm
+++ b/wled00/data/settings_sync.htm
@@ -16,7 +16,12 @@ function GetV(){var d=document;}
 <button type="button" onclick="B()">Back</button><button type="submit">Save</button><hr>
 <h2>Sync setup</h2>
 <h3>Button setup</h3>
-On/Off button enabled: <input type="checkbox" name="BT"><br>
+Button type:
+<select name=BT>
+  <option value=0>Disabled</option>
+  <option value=2>Pushbutton</option>
+  <option value=4>Switch</option>
+</select><br>
 Infrared remote:
 <select name=IR>
 <option value=0>Disabled</option>
diff --git a/wled00/html_settings.h b/wled00/html_settings.h
index 34e5a31..b62a66a 100644
--- a/wled00/html_settings.h
+++ b/wled00/html_settings.h
@@ -222,12 +222,13 @@ var d=document;function H(){window.open("https://github.com/Aircoookie/WLED/wiki
  id="form_s" name="Sf" method="post"><div class="helpB"><button type="button" 
 onclick="H()">?</button></div><button type="button" onclick="B()">Back</button>
 <button type="submit">Save</button><hr><h2>Sync setup</h2><h3>Button setup</h3>
-On/Off button enabled: <input type="checkbox" name="BT"><br>Infrared remote: 
-<select name="IR"><option value="0">Disabled</option><option value="1">
-24-key RGB</option><option value="2">24-key with CT</option><option value="3">
-40-key blue</option><option value="4">44-key RGB</option><option value="5">
-21-key RGB</option><option value="6">6-key black</option><option value="7">
-9-key red</option></select><br><a 
+Button: <select name="BT"><option value="0">Disabled</option><option value="2">
+Pushbutton</option><option value="4">Switch</option></select><br>
+Infrared remote: <select name="IR"><option value="0">Disabled</option><option 
+value="1">24-key RGB</option><option value="2">24-key with CT</option><option 
+value="3">40-key blue</option><option value="4">44-key RGB</option><option 
+value="5">21-key RGB</option><option value="6">6-key black</option><option 
+value="7">9-key red</option></select><br><a 
 href="https://github.com/Aircoookie/WLED/wiki/Infrared-Control" target="_blank">
 IR info</a><h3>WLED Broadcast</h3>UDP Port: <input name="UP" type="number" 
 min="1" max="65535" class="d5" required><br>2nd Port: <input name="U2" 
diff --git a/wled00/set.cpp b/wled00/set.cpp
index 437dacc..4436201 100644
--- a/wled00/set.cpp
+++ b/wled00/set.cpp
@@ -196,7 +196,7 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
   //SYNC
   if (subPage == 4)
   {
-    buttonEnabled = request->hasArg(F("BT"));
+    buttonType = request->arg(F("BT")).toInt();
     irEnabled = request->arg(F("IR")).toInt();
     int t = request->arg(F("UP")).toInt();
     if (t > 0) udpPort = t;
diff --git a/wled00/wled.cpp b/wled00/wled.cpp
index 7116edb..5d34a91 100644
--- a/wled00/wled.cpp
+++ b/wled00/wled.cpp
@@ -422,8 +422,8 @@ void WLED::beginStrip()
     digitalWrite(rlyPin, (rlyMde ? bri : !bri));
 
   // disable button if it is "pressed" unintentionally
-  if (btnPin>=0 && isButtonPressed())
-    buttonEnabled = false;
+  if (btnPin>=0 && buttonType == BTN_TYPE_PUSH && isButtonPressed())
+    buttonType = BTN_TYPE_NONE;
 }
 
 void WLED::initAP(bool resetAP)
diff --git a/wled00/wled.h b/wled00/wled.h
index a0fa72f..75b2704 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2104030
+#define VERSION 2104120
 
 //uncomment this if you have a "my_config.h" file you'd like to use
 //#define WLED_USE_MY_CONFIG
@@ -254,7 +254,7 @@ WLED_GLOBAL NodesMap Nodes;
 WLED_GLOBAL bool nodeListEnabled _INIT(true);
 WLED_GLOBAL bool nodeBroadcastEnabled _INIT(true);
 
-WLED_GLOBAL bool buttonEnabled  _INIT(true);
+WLED_GLOBAL byte buttonType     _INIT(BTN_TYPE_PUSH);
 WLED_GLOBAL byte irEnabled      _INIT(0);     // Infrared receiver
 
 WLED_GLOBAL uint16_t udpPort    _INIT(21324); // WLED notifier default port
diff --git a/wled00/wled_eeprom.cpp b/wled00/wled_eeprom.cpp
index cc72fd1..3247fbf 100644
--- a/wled00/wled_eeprom.cpp
+++ b/wled00/wled_eeprom.cpp
@@ -93,7 +93,7 @@ void loadSettingsFromEEPROM()
 
   notifyButton = EEPROM.read(230);
   notifyTwice = EEPROM.read(231);
-  buttonEnabled = EEPROM.read(232);
+  buttonType = EEPROM.read(232) ? BTN_TYPE_PUSH : BTN_TYPE_NONE;
 
   staticIP[0] = EEPROM.read(234);
   staticIP[1] = EEPROM.read(235);
diff --git a/wled00/xml.cpp b/wled00/xml.cpp
index dc572a0..f8fb0c5 100644
--- a/wled00/xml.cpp
+++ b/wled00/xml.cpp
@@ -349,7 +349,7 @@ void getSettingsJS(byte subPage, char* dest)
 
   if (subPage == 4)
   {
-    sappend('c',SET_F("BT"),buttonEnabled);
+    sappend('v',SET_F("BT"),buttonType);
     sappend('v',SET_F("IR"),irEnabled);
     sappend('v',SET_F("UP"),udpPort);
     sappend('v',SET_F("U2"),udpPort2);