diff --git a/wled00/FX_fcn.cpp b/wled00/FX_fcn.cpp
index d33843cb..b95f20c1 100644
--- a/wled00/FX_fcn.cpp
+++ b/wled00/FX_fcn.cpp
@@ -1394,6 +1394,9 @@ uint8_t Segment::differs(Segment& b) const {
   if (custom1 != b.custom1)     d |= SEG_DIFFERS_FX;
   if (custom2 != b.custom2)     d |= SEG_DIFFERS_FX;
   if (custom3 != b.custom3)     d |= SEG_DIFFERS_FX;
+  if (check1 != b.check1)       d |= SEG_DIFFERS_FX;
+  if (check2 != b.check2)       d |= SEG_DIFFERS_FX;
+  if (check3 != b.check3)       d |= SEG_DIFFERS_FX;
   if (startY != b.startY)       d |= SEG_DIFFERS_BOUNDS;
   if (stopY != b.stopY)         d |= SEG_DIFFERS_BOUNDS;
 
diff --git a/wled00/playlist.cpp b/wled00/playlist.cpp
index 463f2b15..b98f93c6 100644
--- a/wled00/playlist.cpp
+++ b/wled00/playlist.cpp
@@ -90,7 +90,8 @@ int16_t loadPlaylist(JsonObject playlistObj, byte presetId) {
       it++;
     }
   }
-  for (int i = it; i < playlistLen; i++) playlistEntries[i].dur = playlistEntries[it -1].dur;
+  if (it > 0) // should never happen but just in case
+    for (int i = it; i < playlistLen; i++) playlistEntries[i].dur = playlistEntries[it -1].dur;
 
   it = 0;
   JsonArray tr = playlistObj[F("transition")];
diff --git a/wled00/udp.cpp b/wled00/udp.cpp
index f5d1e788..0d403aab 100644
--- a/wled00/udp.cpp
+++ b/wled00/udp.cpp
@@ -499,8 +499,8 @@ void handleNotifications()
               selseg.custom2 = udpIn[30+ofs];
               selseg.custom3 = udpIn[31+ofs] & 0x1F;
               selseg.check1  = (udpIn[31+ofs]>>5) & 0x1;
-              selseg.check1  = (udpIn[31+ofs]>>6) & 0x1;
-              selseg.check1  = (udpIn[31+ofs]>>7) & 0x1;
+              selseg.check2  = (udpIn[31+ofs]>>6) & 0x1;
+              selseg.check3  = (udpIn[31+ofs]>>7) & 0x1;
             }
             startY = (udpIn[32+ofs] << 8 | udpIn[33+ofs]);
             stopY  = (udpIn[34+ofs] << 8 | udpIn[35+ofs]);
diff --git a/wled00/util.cpp b/wled00/util.cpp
index a10b87c5..23e458e0 100644
--- a/wled00/util.cpp
+++ b/wled00/util.cpp
@@ -272,7 +272,7 @@ void releaseJSONBufferLock()
 
 
 // extracts effect mode (or palette) name from names serialized string
-// caller must provide large enough buffer for name (including SR extensions)!
+// caller must provide large enough buffer for name (including SR extensions)! maxLen is (buffersize - 1)
 uint8_t extractModeName(uint8_t mode, const char *src, char *dest, uint8_t maxLen)
 {
   if (src == JSON_mode_names || src == nullptr) {
@@ -294,7 +294,7 @@ uint8_t extractModeName(uint8_t mode, const char *src, char *dest, uint8_t maxLe
 
   if (src == JSON_palette_names && mode > (GRADIENT_PALETTE_COUNT + 13)) {
     snprintf_P(dest, maxLen, PSTR("~ Custom %d ~"), 255-mode);
-    dest[maxLen-1] = '\0';
+    dest[maxLen] = '\0';
     return strlen(dest);
   }
 
@@ -329,7 +329,7 @@ uint8_t extractModeName(uint8_t mode, const char *src, char *dest, uint8_t maxLe
 }
 
 
-// extracts effect slider data (1st group after @)
+// extracts effect slider data (1st group after @) -> maxLen is (buffersize - 1)
 uint8_t extractModeSlider(uint8_t mode, uint8_t slider, char *dest, uint8_t maxLen, uint8_t *var)
 {
   dest[0] = '\0'; // start by clearing buffer
diff --git a/wled00/wled.h b/wled00/wled.h
index b87368bc..22a26e92 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -7,7 +7,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2512171
+#define VERSION 2512291
 
 // WLEDMM  - you can check for this define in usermods, to only enabled WLEDMM specific code in the "right" fork. Its not defined in AC WLED.
 #define _MoonModules_WLED_