diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd3a955..babbb44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,14 +1,29 @@
 # Changelog for rESCue firmware
 
+## Release 1.3.4 (not released yet)
+
+### 20.07.2021
+
+- fixed WiFi OTA update by changing partition schema to default
+- fixed "Guru Meditation Error: Core 1 panic'ed (Cache disabled but cached memory region accessed)" while OTA
+- fixed app crash when App-Configuration is written and not dividable by 6 byte
+
+## Release 1.3.3
+
+### 19.07.2021
+
+- improved CANBUS communication
+- Fixed bug that CANBUS freezes when sending multiple frames at the same time
+
 ## Release 1.3.1
 
 - bugfix lights, erpm was read wrong sometimes
 
 ## Release 1.3.0
 
-### 27.06.2021 
+### 27.06.2021
 
- - prepared release 1.3.0
+- prepared release 1.3.0
 
 ### 25.06.2021
 
diff --git a/default.csv b/default.csv
new file mode 100644
index 0000000..5d1cef1
--- /dev/null
+++ b/default.csv
@@ -0,0 +1,6 @@
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,  0x5000,
+otadata,  data, ota,     0xe000,  0x2000,
+app0,     app,  ota_0,   0x10000, 0x140000,
+app1,     app,  ota_1,   0x150000,0x140000,
+spiffs,   data, spiffs,  0x290000,0x170000,
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index 36202af..c167ee1 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -44,7 +44,7 @@ board = wemos_d1_mini32
 framework = arduino
 monitor_speed = 115200
 upload_Speed = 921600
-board_build.partitions = min_spiffs.csv
+board_build.partitions = default.csv
 lib_deps =
     ${common_env_data.lib_deps_external}
 build_flags =
@@ -55,7 +55,7 @@ platform = espressif32
 board = nodemcu-32s
 framework = arduino
 monitor_speed = 115200
-board_build.partitions = min_spiffs.csv
+board_build.partitions = default.csv
 lib_deps =
     ${common_env_data.lib_deps_external}
 build_flags =
diff --git a/src/CanBus.cpp b/src/CanBus.cpp
index 5a70346..2e75bab 100644
--- a/src/CanBus.cpp
+++ b/src/CanBus.cpp
@@ -361,7 +361,9 @@ void CanBus::proxyIn(std::string in) {
             tx_frame.MsgID = (uint32_t(0x8000) << 16) + (uint16_t(CAN_PACKET_FILL_RX_BUFFER) << 8) + VESC_CAN_ID;
             tx_frame.FIR.B.DLC = 8;
             tx_frame.data.u8[0] = byteNum - offset; //startbyte counter of frame
-            for (int i = 1; i < 8; i++) {
+
+            int sendLen = (longPackBuffer.length() >= byteNum + 7) ? 7 : longPackBuffer.length() - byteNum;
+            for (int i = 1; i<sendLen+1; i++) {
                 //Serial.printf("Reading byte %d, length %d\n", byteNum + i, longPackBuffer.length());
                 tx_frame.data.u8[i] = (uint8_t) longPackBuffer.at(byteNum + i);
             }
@@ -375,10 +377,13 @@ void CanBus::proxyIn(std::string in) {
             tx_frame.FIR.B.DLC = 8;
             tx_frame.data.u8[0] = (byteNum - 1) >> 8;
             tx_frame.data.u8[1] = (byteNum - 1) & 0xFF;
-            for (int i=2; i<8; i++) {
+
+            int sendLen = (longPackBuffer.length() >= byteNum + 6) ? 6 : longPackBuffer.length() - byteNum;
+            for (int i=2; i<sendLen+2; i++) {
                 //Serial.printf("Reading byte %d, length %d\n", byteNum + i, longPackBuffer.length());
                 tx_frame.data.u8[i] = (uint8_t) longPackBuffer.at(byteNum + i);
             }
+
             sendCanFrame(&tx_frame);
         }
 
diff --git a/src/OTA.cpp b/src/OTA.cpp
index 30b9ab3..38bea76 100644
--- a/src/OTA.cpp
+++ b/src/OTA.cpp
@@ -20,6 +20,7 @@ void startUpdate() {
   Serial.println("partition size:" + String(partition->size));
   esp_ota_begin(partition, OTA_SIZE_UNKNOWN, &otaHandler);
   updateFlag = true;
+  Serial.println("Update started");
 }
 
 void handleUpdate(std::string data) {
@@ -65,7 +66,7 @@ void activateWiFiAp(const char *password) {
       AsyncWebParameter* p = request->getParam(i);
       if(p->isPost() && p->name().compareTo("data") != -1) {
         const char *value =p->value().c_str();
-        Serial.printf("\nPOST[%s]: bytes %d\n", p->name().c_str(), p->value().length());
+        //Serial.printf("\nPOST[%s]: bytes %d\n", p->name().c_str(), p->value().length());
         if(!updateFlag) {
           startUpdate();
         } 
@@ -107,7 +108,6 @@ void OTAUpdater::setup() {
 		printf("Type: %02x SubType %02x Address 0x%06X Size 0x%06X Encryption %i Label %s\r\n", _mypart->type, _mypart->subtype, _mypart->address, _mypart->size, _mypart->encrypted, _mypart->label);
 		_mypartiterator = esp_partition_next(_mypartiterator);
 	}
-
   _mypart = esp_ota_get_boot_partition();
   printf("Current active partition is %s\r\n", _mypart->label);
 }
diff --git a/src/main.cpp b/src/main.cpp
index 4cb4158..475fb80 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -60,13 +60,15 @@ void setup() {
   }
 
   AppConfiguration::getInstance()->readPreferences();
-  ledController = LedControllerFactory::getInstance()->createLedController();
 
   if(AppConfiguration::getInstance()->config.otaUpdateActive) {
      updater->setup();
      return;
   }
 
+  ledController = LedControllerFactory::getInstance()->createLedController();
+
+
   pinMode(PIN_FORWARD, INPUT);
   pinMode(PIN_BACKWARD, INPUT);
   pinMode(PIN_BRAKE, INPUT);