another try to compile successfully

src/platformio.ini

@@ -30,7 +30,7 @@ lib_deps =
     bblanchon/ArduinoJson @ ^6.21.2
     https://github.com/JChristensen/Timezone @ ^1.2.4
     olikraus/U8g2 @ ^2.34.17
-    zinggjm/GxEPD2 @ ^1.5.0
+    zinggjm/GxEPD2 @ ^1.5.2
 
 
 [env:esp8266-release]
@@ -98,9 +98,9 @@ monitor_filters =
     log2file  ; Log data to a file “platformio-device-monitor-*.log” located in the current working directory
 
 [env:esp32-wroom32-release]
-platform = espressif32@>=6.1.0
+platform = espressif32@6.1.0
 board = lolin_d32
-build_flags = -D RELEASE -std=gnu++14
+build_flags = -D RELEASE -std=gnu++17
 build_unflags = -std=gnu++11
 monitor_filters =
     ;default   ; Remove typical terminal control codes from input
@@ -109,10 +109,10 @@ monitor_filters =
     esp32_exception_decoder
 
 [env:esp32-wroom32-release-prometheus]
-platform = espressif32@>=6.1.0
+platform = espressif32@6.1.0
 board = lolin_d32
 build_flags = -D RELEASE
-    -std=gnu++14
+    -std=gnu++17
     -DENABLE_PROMETHEUS_EP
 build_unflags = -std=gnu++11
 monitor_filters =
@@ -122,7 +122,7 @@ monitor_filters =
     esp32_exception_decoder
 
 [env:esp32-wroom32-debug]
-platform = espressif32@>=6.1.0
+platform = espressif32@6.1.0
 board = lolin_d32
 build_flags = -DDEBUG_LEVEL=DBG_DEBUG
     -DDEBUG_ESP_CORE
@@ -131,7 +131,7 @@ build_flags = -DDEBUG_LEVEL=DBG_DEBUG
     -DDEBUG_ESP_HTTP_SERVER
     -DDEBUG_ESP_OOM
     -DDEBUG_ESP_PORT=Serial
-    -std=gnu++14
+    -std=gnu++17
 build_unflags = -std=gnu++11
 build_type = debug
 monitor_filters =
@@ -140,13 +140,13 @@ monitor_filters =
     log2file  ; Log data to a file “platformio-device-monitor-*.log” located in the current working directory
 
 [env:opendtufusionv1-release]
-platform = espressif32@>=6.1.0
+platform = espressif32@6.1.0
 board = esp32-s3-devkitc-1
 upload_protocol = esp-builtin
 upload_speed = 115200
 debug_tool = esp-builtin
 debug_speed = 12000
-build_flags = -D RELEASE -std=gnu++14
+build_flags = -D RELEASE -std=gnu++17
 build_unflags = -std=gnu++11
 monitor_filters =
 	;default   ; Remove typical terminal control codes from input

src/publisher/pubMqtt.h

@@ -564,7 +564,7 @@ class PubMqtt {
         void sendIvData() {
             bool anyAvail = processIvStatus();
             if (mLastAnyAvail != anyAvail)
-                mSendList.push(RealTimeRunData_Debug);  // makes shure that total values are calculated
+                mSendList.push(RealTimeRunData_Debug);  // makes sure that total values are calculated
 
             if(mSendList.empty())
                 return;