diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7cbda3f6f..b90934d89 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,20 @@
 
 ### Development versions after 0.11.1 release
 
+#### Build 2103040
+
+-   Fixed relay mode inverted when upgrading from 0.11.0
+-   Fixed no more than 2 pins per bus configurable in UI
+-   Changed to non-linear IR brightness steps (PR #1742)
+-   Fixed various warnings (PR #1744)
+-   Added UDP DNRGBW Mode (PR #1704)
+-   Added dynamic LED mapping with ledmap.json file (PR #1738)
+-   Added support for QuinLED-ESP32-Ethernet board
+-   Added support for WESP32 ethernet board (PR #1764)
+-   Added Caching for main UI (PR #1704)
+-   Added Tetrix mode (PR #1729)
+-   Added memory check on Bus creation
+
 #### Build 2102050
 
 -   Version bump to 0.12.0-a0 "Hikari"
diff --git a/wled00/cfg.cpp b/wled00/cfg.cpp
index a3d690dc7..e5c00b342 100644
--- a/wled00/cfg.cpp
+++ b/wled00/cfg.cpp
@@ -30,8 +30,8 @@ void deserializeConfig() {
     return;
   }
 
-  //int rev_major = doc[F("rev")][0]; // 1
-  //int rev_minor = doc[F("rev")][1]; // 0
+  //int rev_major = doc["rev"][0]; // 1
+  //int rev_minor = doc["rev"][1]; // 0
 
   //long vid = doc[F("vid")]; // 2010020
 
@@ -95,7 +95,7 @@ void deserializeConfig() {
 
   CJSON(strip.ablMilliampsMax, hw_led[F("maxpwr")]);
   CJSON(strip.milliampsPerLed, hw_led[F("ledma")]);
-  CJSON(strip.reverseMode, hw_led[F("rev")]);
+  CJSON(strip.reverseMode, hw_led["rev"]);
   CJSON(strip.rgbwMode, hw_led[F("rgbwm")]);
 
   JsonArray ins = hw_led["ins"];
@@ -126,7 +126,7 @@ void deserializeConfig() {
     //limit length of strip if it would exceed total configured LEDs
     if (start + length > ledCount) length = ledCount - start;
     uint8_t ledType = elm[F("type")] | TYPE_WS2812_RGB;
-    bool reversed = elm[F("rev")];
+    bool reversed = elm["rev"];
     //RGBW mode is enabled if at least one of the strips is RGBW
     useRGBW = (useRGBW || BusManager::isRgbw(ledType));
     s++;
@@ -163,14 +163,18 @@ void deserializeConfig() {
   #endif
   CJSON(irEnabled, hw[F("ir")][F("type")]);
 
-  int hw_relay_pin = hw[F("relay")][F("pin")];
+  JsonObject relay = hw[F("relay")];
+
+  int hw_relay_pin = relay[F("pin")];
   if (pinManager.allocatePin(hw_relay_pin,true)) {
     rlyPin = hw_relay_pin;
     pinMode(rlyPin, OUTPUT);
   } else {
     rlyPin = -1;
   }
-  CJSON(rlyMde, hw[F("relay")][F("rev")]);
+  if (relay.containsKey("rev")) {
+    rlyMde = !relay["rev"];
+  }
 
   //int hw_status_pin = hw[F("status")][F("pin")]; // -1
 
@@ -443,7 +447,7 @@ void serializeConfig() {
   hw_led[F("total")] = ledCount;
   hw_led[F("maxpwr")] = strip.ablMilliampsMax;
   hw_led[F("ledma")] = strip.milliampsPerLed;
-  hw_led[F("rev")] = strip.reverseMode;
+  hw_led["rev"] = strip.reverseMode;
   hw_led[F("rgbwm")] = strip.rgbwMode;
 
   JsonArray hw_led_ins = hw_led.createNestedArray("ins");
@@ -460,7 +464,7 @@ void serializeConfig() {
     uint8_t nPins = bus->getPins(pins);
     for (uint8_t i = 0; i < nPins; i++) ins_pin.add(pins[i]);
     ins[F("order")] = bus->getColorOrder();
-    ins[F("rev")] = bus->reversed;
+    ins["rev"] = bus->reversed;
     ins[F("skip")] = (skipFirstLed && s == 0) ? 1 : 0;
     ins[F("type")] = bus->getType();
   }
@@ -491,7 +495,7 @@ void serializeConfig() {
 
   JsonObject hw_relay = hw.createNestedObject("relay");
   hw_relay[F("pin")] = rlyPin;
-  hw_relay[F("rev")] = rlyMde;
+  hw_relay["rev"] = !rlyMde;
 
   //JsonObject hw_status = hw.createNestedObject("status");
   //hw_status[F("pin")] = -1;
diff --git a/wled00/json.cpp b/wled00/json.cpp
index 4b4714ac4..0b14bc904 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -87,7 +87,7 @@ void deserializeSegment(JsonObject elem, byte it)
     
     //if (pal != seg.palette && pal < strip.getPaletteCount()) strip.setPalette(pal);
     seg.setOption(SEG_OPTION_SELECTED, elem[F("sel")] | seg.getOption(SEG_OPTION_SELECTED));
-    seg.setOption(SEG_OPTION_REVERSED, elem[F("rev")] | seg.getOption(SEG_OPTION_REVERSED));
+    seg.setOption(SEG_OPTION_REVERSED, elem["rev"] | seg.getOption(SEG_OPTION_REVERSED));
     seg.setOption(SEG_OPTION_MIRROR  , elem[F("mi")]  | seg.getOption(SEG_OPTION_MIRROR  ));
 
     //temporary, strip object gets updated via colorUpdated()
@@ -327,7 +327,7 @@ void serializeSegment(JsonObject& root, WS2812FX::Segment& seg, byte id, bool fo
 	root[F("ix")]  = seg.intensity;
 	root[F("pal")] = seg.palette;
 	root[F("sel")] = seg.isSelected();
-	root[F("rev")] = seg.getOption(SEG_OPTION_REVERSED);
+	root["rev"] = seg.getOption(SEG_OPTION_REVERSED);
   root[F("mi")]  = seg.getOption(SEG_OPTION_MIRROR);
 }
 
diff --git a/wled00/wled.h b/wled00/wled.h
index b6e8cfff5..2a239b9c0 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2102050
+#define VERSION 2103040
 
 //uncomment this if you have a "my_config.h" file you'd like to use
 //#define WLED_USE_MY_CONFIG
@@ -197,8 +197,9 @@ WLED_GLOBAL int8_t rlyPin _INIT(-1);
 #else
 WLED_GLOBAL int8_t rlyPin _INIT(RLYPIN);
 #endif
+//Relay mode (1 = active high, 0 = active low, flipped in cfg.json)
 #ifndef RLYMDE
-WLED_GLOBAL bool rlyMde _INIT(1);
+WLED_GLOBAL bool rlyMde _INIT(true);
 #else
 WLED_GLOBAL bool rlyMde _INIT(RLYMDE);
 #endif