diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 5b5d1bebe..7c99a0a6d 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -54,4 +54,7 @@ The following binary downloads have been compiled with ESP8266/Arduino library c
 
 ### Version 8.3.0.1
 
+- Change KNX pow function to approximative pow saving 5k of code space
+- Change Mutichannel Gas sensor pow function to approximative pow saving 5k of code space
+- Change Quick Power Cycle detection from 4 to 7 power interrupts (#4066)
 - Fix default state of ``SetOption73 0`` for button decoupling and send multi-press and hold MQTT messages
diff --git a/tasmota/CHANGELOG.md b/tasmota/CHANGELOG.md
index 32a900f2c..7f48c3918 100644
--- a/tasmota/CHANGELOG.md
+++ b/tasmota/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ### 8.3.0.1 20200514
 
+- Change KNX pow function to approximative pow saving 5k of code space
+- Change Mutichannel Gas sensor pow function to approximative pow saving 5k of code space
+- Change Quick Power Cycle detection from 4 to 7 power interrupts (#4066)
 - Fix default state of ``SetOption73 0`` for button decoupling and send multi-press and hold MQTT messages
 
 ## Released
diff --git a/tasmota/settings.ino b/tasmota/settings.ino
index 2e7c04b7a..b189e1729 100644
--- a/tasmota/settings.ino
+++ b/tasmota/settings.ino
@@ -357,9 +357,9 @@ void UpdateQuickPowerCycle(bool update)
 #else  // ESP32
   QPCRead(&pc_register, sizeof(pc_register));
 #endif  // ESP8266 - ESP32
-  if (update && ((pc_register & 0xFFFFFFF0) == 0xFFA55AB0)) {
-    uint32_t counter = ((pc_register & 0xF) << 1) & 0xF;
-    if (0 == counter) {  // 4 power cycles in a row
+  if (update && ((pc_register & 0xFFFFFF80) == 0xFFA55A80)) {
+    uint32_t counter = ((pc_register & 0x7F) << 1) & 0x7F;
+    if (0 == counter) {  // 7 power cycles in a row
       SettingsErase(3);  // Quickly reset all settings including QuickPowerCycle flag
       EspRestart();      // And restart
     } else {
@@ -372,8 +372,8 @@ void UpdateQuickPowerCycle(bool update)
       AddLog_P2(LOG_LEVEL_DEBUG, PSTR("QPC: Flag %02X"), counter);
     }
   }
-  else if (pc_register != 0xFFA55ABF) {
-    pc_register = 0xFFA55ABF;
+  else if (pc_register != 0xFFA55AFF) {
+    pc_register = 0xFFA55AFF;
 #ifdef ESP8266
     // Assume flash is default all ones and setting a bit to zero does not need an erase
     if (ESP.flashEraseSector(pc_location)) {