diff --git a/usermods/audioreactive/audio_reactive.h b/usermods/audioreactive/audio_reactive.h
index b0d495666..55fe0169d 100644
--- a/usermods/audioreactive/audio_reactive.h
+++ b/usermods/audioreactive/audio_reactive.h
@@ -664,7 +664,7 @@ class AudioReactive : public Usermod {
     void removeAudioPalettes(void);
     void createAudioPalettes(void);
     CRGB getCRGBForBand(int x, int pal);
-    void fillAudioPalette(int pal);
+    void fillAudioPalettes(void);
 
     ////////////////////
     // Debug support  //
@@ -1371,7 +1371,7 @@ class AudioReactive : public Usermod {
         lastTime = millis();
       }
 
-      for (int i=0; i<MAX_PALETTES; i++) fillAudioPalette(i);
+      fillAudioPalettes();
     }
 
 
@@ -1859,7 +1859,7 @@ class AudioReactive : public Usermod {
 
 void AudioReactive::removeAudioPalettes(void) {
   DEBUG_PRINTLN(F("Removing audio palettes."));
-  while (palettes) {
+  while (palettes>0) {
     strip.customPalettes.pop_back();
     DEBUG_PRINTLN(palettes);
     palettes--;
@@ -1869,6 +1869,7 @@ void AudioReactive::removeAudioPalettes(void) {
 
 void AudioReactive::createAudioPalettes(void) {
   DEBUG_PRINT(F("Total # of palettes: ")); DEBUG_PRINTLN(strip.customPalettes.size());
+  if (palettes) return;
   DEBUG_PRINTLN(F("Adding audio palettes."));
   for (int i=0; i<MAX_PALETTES; i++)
     if (strip.customPalettes.size() < 10) {
@@ -1907,36 +1908,39 @@ CRGB AudioReactive::getCRGBForBand(int x, int pal) {
   return value;
 }
 
-void AudioReactive::fillAudioPalette(int pal) {
-  if (pal>=palettes) return; // palette does not exist
+void AudioReactive::fillAudioPalettes() {
+  if (!palettes) return;
+  size_t lastCustPalette = strip.customPalettes.size();
+  if (lastCustPalette >= palettes) lastCustPalette -= palettes;
+  for (size_t pal=0; pal<palettes; pal++) {
+    uint8_t tcp[16];  // Needs to be 4 times however many colors are being used.
+                      // 3 colors = 12, 4 colors = 16, etc.
 
-  uint8_t tcp[16];  // Needs to be 4 times however many colors are being used.
-                    // 3 colors = 12, 4 colors = 16, etc.
+    tcp[0] = 0;  // anchor of first color - must be zero
+    tcp[1] = 0;
+    tcp[2] = 0;
+    tcp[3] = 0;
+    
+    CRGB rgb = getCRGBForBand(1, pal);
+    tcp[4] = 1;  // anchor of first color
+    tcp[5] = rgb.r;
+    tcp[6] = rgb.g;
+    tcp[7] = rgb.b;
+    
+    rgb = getCRGBForBand(128, pal);
+    tcp[8] = 128;
+    tcp[9] = rgb.r;
+    tcp[10] = rgb.g;
+    tcp[11] = rgb.b;
+    
+    rgb = getCRGBForBand(255, pal);
+    tcp[12] = 255;  // anchor of last color - must be 255
+    tcp[13] = rgb.r;
+    tcp[14] = rgb.g;
+    tcp[15] = rgb.b;
 
-  tcp[0] = 0;  // anchor of first color - must be zero
-  tcp[1] = 0;
-  tcp[2] = 0;
-  tcp[3] = 0;
-  
-  CRGB rgb = getCRGBForBand(1, pal);
-  tcp[4] = 1;  // anchor of first color
-  tcp[5] = rgb.r;
-  tcp[6] = rgb.g;
-  tcp[7] = rgb.b;
-  
-  rgb = getCRGBForBand(128, pal);
-  tcp[8] = 128;
-  tcp[9] = rgb.r;
-  tcp[10] = rgb.g;
-  tcp[11] = rgb.b;
-  
-  rgb = getCRGBForBand(255, pal);
-  tcp[12] = 255;  // anchor of last color - must be 255
-  tcp[13] = rgb.r;
-  tcp[14] = rgb.g;
-  tcp[15] = rgb.b;
-
-  strip.customPalettes[strip.customPalettes.size()-1-palettes+pal].loadDynamicGradientPalette(tcp);
+    strip.customPalettes[lastCustPalette+pal].loadDynamicGradientPalette(tcp);
+  }
 }
 
 // strings to reduce flash memory usage (used more than twice)
diff --git a/wled00/FX_fcn.cpp b/wled00/FX_fcn.cpp
index a02a85562..e85b2f96f 100644
--- a/wled00/FX_fcn.cpp
+++ b/wled00/FX_fcn.cpp
@@ -90,18 +90,21 @@ Segment::Segment(const Segment &orig) {
   //DEBUG_PRINTF("-- Copy segment constructor: %p -> %p\n", &orig, this);
   memcpy((void*)this, (void*)&orig, sizeof(Segment));
   _t = nullptr; // copied segment cannot be in transition
-  if (orig.name) { name = new char[strlen(orig.name)+1]; if (name) strcpy(name, orig.name); } else { name = nullptr; }
-  if (orig.data) { if (allocateData(orig._dataLen)) memcpy(data, orig.data, orig._dataLen); } else { data = nullptr; _dataLen = 0; }
+  name = nullptr;
+  data = nullptr;
+  _dataLen = 0;
+  if (orig.name) { name = new char[strlen(orig.name)+1]; if (name) strcpy(name, orig.name); }
+  if (orig.data) { if (allocateData(orig._dataLen)) memcpy(data, orig.data, orig._dataLen); }
 }
 
 // move constructor
 Segment::Segment(Segment &&orig) noexcept {
   //DEBUG_PRINTF("-- Move segment constructor: %p -> %p\n", &orig, this);
   memcpy((void*)this, (void*)&orig, sizeof(Segment));
+  orig._t   = nullptr; // old segment cannot be in transition any more
   orig.name = nullptr;
   orig.data = nullptr;
   orig._dataLen = 0;
-  orig._t   = nullptr; // old segment cannot be in transition any more
 }
 
 // copy assignment
@@ -110,14 +113,7 @@ Segment& Segment::operator= (const Segment &orig) {
   if (this != &orig) {
     // clean destination
     if (name) { delete[] name; name = nullptr; }
-    if (orig.name) { name = new char[strlen(orig.name)+1]; if (name) strcpy(name, orig.name); }
-    if (_t) {
-      #ifndef WLED_DISABLE_MODE_BLEND
-      if (_t->_segT._dataT) free(_t->_segT._dataT);
-      #endif
-      delete _t;
-      _t = nullptr; // copied segment cannot be in transition
-    }
+    stopTransition();
     deallocateData();
     // copy source
     memcpy((void*)this, (void*)&orig, sizeof(Segment));
@@ -125,6 +121,7 @@ Segment& Segment::operator= (const Segment &orig) {
     data = nullptr;
     _dataLen = 0;
     // copy source data
+    if (orig.name) { name = new char[strlen(orig.name)+1]; if (name) strcpy(name, orig.name); }
     if (orig.data) { if (allocateData(orig._dataLen)) memcpy(data, orig.data, orig._dataLen); }
   }
   return *this;
@@ -135,13 +132,7 @@ Segment& Segment::operator= (Segment &&orig) noexcept {
   //DEBUG_PRINTF("-- Moving segment: %p -> %p\n", &orig, this);
   if (this != &orig) {
     if (name) { delete[] name; name = nullptr; } // free old name
-    if (_t) {
-      #ifndef WLED_DISABLE_MODE_BLEND
-      if (_t->_segT._dataT) free(_t->_segT._dataT);
-      #endif
-      delete _t;
-      _t = nullptr;
-    }
+    stopTransition();
     deallocateData(); // free old runtime data
     memcpy((void*)this, (void*)&orig, sizeof(Segment));
     orig.name = nullptr;
@@ -312,7 +303,7 @@ void Segment::startTransition(uint16_t dur) {
     if (_dataLen > 0 && data) {
       _t->_segT._dataT = (byte *)malloc(_dataLen);
       if (_t->_segT._dataT) {
-        //DEBUG_PRINTF("--  Allocated duplicate data (%d): %p\n", _dataLen, _t->_segT._dataT);
+        //DEBUG_PRINTF("--  Allocated duplicate data (%d) for %p: %p\n", _dataLen, this, _t->_segT._dataT);
         memcpy(_t->_segT._dataT, data, _dataLen);
         _t->_segT._dataLenT = _dataLen;
       }
@@ -330,7 +321,7 @@ void Segment::stopTransition() {
   if (isInTransition()) {
     #ifndef WLED_DISABLE_MODE_BLEND
     if (_t->_segT._dataT && _t->_segT._dataLenT > 0) {
-      //DEBUG_PRINTF("--  Released duplicate data (%d): %p\n", _t->_segT._dataLenT, _t->_segT._dataT);
+      //DEBUG_PRINTF("--  Released duplicate data (%d) for %p: %p\n", _t->_segT._dataLenT, this, _t->_segT._dataT);
       free(_t->_segT._dataT);
       _t->_segT._dataT = nullptr;
       _t->_segT._dataLenT = 0;
diff --git a/wled00/json.cpp b/wled00/json.cpp
index 77bdd1745..2a14be073 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -33,9 +33,9 @@ bool deserializeSegment(JsonObject elem, byte it, byte presetId)
 
   //DEBUG_PRINTLN("-- JSON deserialize segment.");
   Segment& seg = strip.getSegment(id);
-  //DEBUG_PRINTF("--  Original segment: %p\n", &seg);
-  Segment prev = seg; //make a backup so we can tell if something changed
-  //DEBUG_PRINTF("--  Duplicate segment: %p\n", &prev);
+  //DEBUG_PRINTF("--  Original segment: %p (%p)\n", &seg, seg.data);
+  Segment prev = seg; //make a backup so we can tell if something changed (calling copy constructor)
+  //DEBUG_PRINTF("--  Duplicate segment: %p (%p)\n", &prev, prev.data);
 
   uint16_t start = elem["start"] | seg.start;
   if (stop < 0) {