diff --git a/platformio.ini b/platformio.ini
index b258e926..9680cb1f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -38,7 +38,7 @@ platform = espressif8266@1.8.0
 board = nodemcuv2
 framework = arduino
 lib_deps = ${common.lib_deps}
-build_flags = ${common.build_flags}
+build_flags = ${common.build_flags} -DESPHOME_LOG_LEVEL=6
 src_filter = ${common.src_filter} +<examples/livingroom8266/livingroom8266.cpp>
 
 [env:custombmp180]
diff --git a/src/esphome/api/api_server.cpp b/src/esphome/api/api_server.cpp
index b1e61ab6..b7532bbf 100644
--- a/src/esphome/api/api_server.cpp
+++ b/src/esphome/api/api_server.cpp
@@ -90,8 +90,10 @@ void APIServer::loop() {
         ESP_LOGE(TAG, "No client connected to API. Rebooting...");
         reboot("api");
       }
+      this->status_set_warning();
     } else {
       this->last_connected_ = now;
+      this->status_clear_warning();
     }
   }
 }
@@ -714,6 +716,12 @@ bool APIConnection::send_buffer(APIMessageType type) {
 }
 
 void APIConnection::loop() {
+  if (!network_is_connected()) {
+    // when network is disconnected force disconnect immediately
+    // don't wait for timeout
+    this->fatal_error_();
+    return;
+  }
   if (this->client_->disconnected()) {
     // failsafe for disconnect logic
     this->on_disconnect_();
diff --git a/src/esphome/application.h b/src/esphome/application.h
index e61c9519..375f2372 100644
--- a/src/esphome/application.h
+++ b/src/esphome/application.h
@@ -334,6 +334,9 @@ class Application {
   template<typename T> GlobalVariableComponent<T> *make_global_variable();
 
   template<typename T> GlobalVariableComponent<T> *make_global_variable(T initial_value);
+  template<typename T>
+  GlobalVariableComponent<T> *make_global_variable(
+      std::array<typename std::remove_extent<T>::type, std::extent<T>::value> initial_value);
 
   /*           _    _ _______ ____  __  __       _______ _____ ____  _   _
    *      /\  | |  | |__   __/ __ \|  \/  |   /\|__   __|_   _/ __ \| \ | |
@@ -1233,6 +1236,11 @@ template<typename T> GlobalVariableComponent<T> *Application::make_global_variab
 template<typename T> GlobalVariableComponent<T> *Application::make_global_variable(T initial_value) {
   return this->register_component(new GlobalVariableComponent<T>(initial_value));
 }
+template<typename T>
+GlobalVariableComponent<T> *Application::make_global_variable(
+    std::array<typename std::remove_extent<T>::type, std::extent<T>::value> initial_value) {
+  return this->register_component(new GlobalVariableComponent<T>(initial_value));
+}
 
 #ifdef USE_NEO_PIXEL_BUS_LIGHT
 template<typename T_METHOD, typename T_COLOR_FEATURE>
diff --git a/src/esphome/automation.h b/src/esphome/automation.h
index bc3c4b28..c55822d5 100644
--- a/src/esphome/automation.h
+++ b/src/esphome/automation.h
@@ -276,6 +276,8 @@ template<typename T> class GlobalVariableComponent : public Component {
  public:
   explicit GlobalVariableComponent();
   explicit GlobalVariableComponent(T initial_value);
+  explicit GlobalVariableComponent(
+      std::array<typename std::remove_extent<T>::type, std::extent<T>::value> initial_value);
 
   T &value();
 
diff --git a/src/esphome/automation.tcc b/src/esphome/automation.tcc
index c0e0f40c..cecee19d 100644
--- a/src/esphome/automation.tcc
+++ b/src/esphome/automation.tcc
@@ -207,6 +207,11 @@ template<typename... Ts> ScriptStopAction<Ts...> *Script::make_stop_action() {
 
 template<typename T> GlobalVariableComponent<T>::GlobalVariableComponent() {}
 template<typename T> GlobalVariableComponent<T>::GlobalVariableComponent(T initial_value) : value_(initial_value) {}
+template<typename T>
+GlobalVariableComponent<T>::GlobalVariableComponent(
+    std::array<typename std::remove_extent<T>::type, std::extent<T>::value> initial_value) {
+  memcpy(this->value_, initial_value.data(), sizeof(T));
+}
 template<typename T> T &GlobalVariableComponent<T>::value() { return this->value_; }
 template<typename T> void GlobalVariableComponent<T>::setup() {
   if (this->restore_value_) {
diff --git a/src/esphome/binary_sensor/binary_sensor.cpp b/src/esphome/binary_sensor/binary_sensor.cpp
index fec734c7..302e1564 100644
--- a/src/esphome/binary_sensor/binary_sensor.cpp
+++ b/src/esphome/binary_sensor/binary_sensor.cpp
@@ -194,15 +194,15 @@ void MultiClickTrigger::on_state_(bool state) {
   MultiClickTriggerEvent evt = this->timing_[*this->at_index_];
 
   if (evt.max_length != 4294967294UL) {
-    ESP_LOGV(TAG, "A i=%u min=%u max=%u", *this->at_index_, evt.min_length, evt.max_length);
+    ESP_LOGV(TAG, "A i=%u min=%u max=%u", *this->at_index_, evt.min_length, evt.max_length);  // NOLINT
     this->schedule_is_valid_(evt.min_length);
     this->schedule_is_not_valid_(evt.max_length);
   } else if (*this->at_index_ + 1 != this->timing_.size()) {
-    ESP_LOGV(TAG, "B i=%u min=%u", *this->at_index_, evt.min_length);
+    ESP_LOGV(TAG, "B i=%u min=%u", *this->at_index_, evt.min_length);  // NOLINT
     this->cancel_timeout("is_not_valid");
     this->schedule_is_valid_(evt.min_length);
   } else {
-    ESP_LOGV(TAG, "C i=%u min=%u", *this->at_index_, evt.min_length);
+    ESP_LOGV(TAG, "C i=%u min=%u", *this->at_index_, evt.min_length);  // NOLINT
     this->is_valid_ = false;
     this->cancel_timeout("is_not_valid");
     this->set_timeout("trigger", evt.min_length, [this]() { this->trigger_(); });
diff --git a/src/esphome/esppreferences.cpp b/src/esphome/esppreferences.cpp
index 9b75d434..fe12e8be 100644
--- a/src/esphome/esppreferences.cpp
+++ b/src/esphome/esppreferences.cpp
@@ -32,7 +32,7 @@ bool ESPPreferenceObject::load_() {
 
   bool valid = this->data_[this->length_words_] == this->calculate_crc_();
 
-  ESP_LOGVV(TAG, "LOAD %u: valid=%s, 0=0x%08X 1=0x%08X (Type=%u, CRC=0x%08X)", this->rtc_offset_, YESNO(valid),
+  ESP_LOGVV(TAG, "LOAD %zu: valid=%s, 0=0x%08X 1=0x%08X (Type=%u, CRC=0x%08X)", this->rtc_offset_, YESNO(valid),
             this->data_[0], this->data_[1], this->type_, this->calculate_crc_());
   return valid;
 }
@@ -45,7 +45,7 @@ bool ESPPreferenceObject::save_() {
   this->data_[this->length_words_] = this->calculate_crc_();
   if (!this->save_internal_())
     return false;
-  ESP_LOGVV(TAG, "SAVE %u: 0=0x%08X 1=0x%08X (Type=%u, CRC=0x%08X)", this->rtc_offset_, this->data_[0], this->data_[1],
+  ESP_LOGVV(TAG, "SAVE %zu: 0=0x%08X 1=0x%08X (Type=%u, CRC=0x%08X)", this->rtc_offset_, this->data_[0], this->data_[1],
             this->type_, this->calculate_crc_());
   return true;
 }
@@ -80,7 +80,6 @@ static inline bool esp_rtc_user_mem_write(uint32_t index, uint32_t value) {
   auto *ptr = &ESP_RTC_USER_MEM[index];
 #ifdef USE_ESP8266_PREFERENCES_FLASH
   if (*ptr != value) {
-    ESP_LOGV(TAG, "RTC flash is dirty...");
     esp8266_preferences_modified = true;
   }
 #endif
diff --git a/src/esphome/light/light_color_values.cpp b/src/esphome/light/light_color_values.cpp
index 60ecae70..f2eda230 100644
--- a/src/esphome/light/light_color_values.cpp
+++ b/src/esphome/light/light_color_values.cpp
@@ -82,18 +82,33 @@ void LightColorValues::normalize_color(const LightTraits &traits) {
     float max_value = fmaxf(this->get_red(), fmaxf(this->get_green(), this->get_blue()));
     if (traits.has_rgb_white_value()) {
       max_value = fmaxf(max_value, this->get_white());
-      this->set_white(this->get_white() / max_value);
+      if (max_value == 0.0f) {
+        this->set_white(1.0f);
+      } else {
+        this->set_white(this->get_white() / max_value);
+      }
+    }
+    if (max_value == 0.0f) {
+      this->set_red(1.0f);
+      this->set_green(1.0f);
+      this->set_blue(1.0f);
+    } else {
+      this->set_red(this->get_red() / max_value);
+      this->set_green(this->get_green() / max_value);
+      this->set_blue(this->get_blue() / max_value);
     }
-    this->set_red(this->get_red() / max_value);
-    this->set_green(this->get_green() / max_value);
-    this->set_blue(this->get_blue() / max_value);
   }
 
   if (traits.has_brightness() && this->get_brightness() == 0.0f) {
-    // 0% brightness means off
-    this->set_state(false);
-    // reset brightness to 100% (0% brightness is not allowed)
-    this->set_brightness(1.0f);
+    if (traits.has_rgb_white_value()) {
+      // 0% brightness for RGBW[W] means no RGB channel, but white channel on.
+      // do nothing
+    } else {
+      // 0% brightness means off
+      this->set_state(false);
+      // reset brightness to 100%
+      this->set_brightness(1.0f);
+    }
   }
 }
 
diff --git a/src/esphome/light/light_state.cpp b/src/esphome/light/light_state.cpp
index 6bacd19d..6618b454 100644
--- a/src/esphome/light/light_state.cpp
+++ b/src/esphome/light/light_state.cpp
@@ -124,14 +124,14 @@ void LightState::dump_json(JsonObject &root) {
 }
 
 struct LightStateRTCState {
-  bool state;
-  float brightness;
-  float red;
-  float green;
-  float blue;
-  float white;
-  float color_temp;
-  uint32_t effect;
+  bool state{false};
+  float brightness{1.0f};
+  float red{1.0f};
+  float green{1.0f};
+  float blue{1.0f};
+  float white{1.0f};
+  float color_temp{1.0f};
+  uint32_t effect{0};
 };
 
 void LightState::setup() {
@@ -143,9 +143,9 @@ void LightState::setup() {
   }
 
   this->rtc_ = global_preferences.make_preference<LightStateRTCState>(this->get_object_id_hash());
-  LightStateRTCState recovered;
-  if (!this->rtc_.load(&recovered))
-    return;
+  LightStateRTCState recovered{};
+  // Attempt to load from preferences, else fall back to default values from struct
+  this->rtc_.load(&recovered);
 
   auto call = this->make_call();
   call.set_state(recovered.state);
@@ -438,7 +438,7 @@ void LightState::StateCall::perform() const {
     ESP_LOGD(TAG, "  Color Temperature: %.1f mireds", v.get_color_temperature());
   }
 
-  v.normalize_color(this->state_->output_->get_traits());
+  v.normalize_color(traits);
 
   if (traits.has_rgb() && (this->red_.has_value() || this->green_.has_value() || this->blue_.has_value())) {
     if (traits.has_rgb_white_value() && this->white_.has_value()) {
diff --git a/src/esphome/remote/remote_receiver.cpp b/src/esphome/remote/remote_receiver.cpp
index b76a8a80..2aa7a624 100644
--- a/src/esphome/remote/remote_receiver.cpp
+++ b/src/esphome/remote/remote_receiver.cpp
@@ -326,8 +326,8 @@ void RemoteReceiverComponent::loop() {
     // TODO: Handle case when loop() is not called quickly enough to catch idle
     return;
 
-  ESP_LOGVV(TAG, "read_at=%u write_at=%u dist=%u now=%u end=%u", this->buffer_read_at_, write_at, dist, now,
-            this->buffer_[write_at]);
+  ESP_LOGVV(TAG, "read_at=%u write_at=%u dist=%u now=%u end=%u", s.buffer_read_at, write_at, dist, now,
+            s.buffer[write_at]);
 
   // Skip first value, it's from the previous idle level
   s.buffer_read_at = (s.buffer_read_at + 1) % s.buffer_size;
@@ -345,8 +345,8 @@ void RemoteReceiverComponent::loop() {
       break;
     }
 
-    ESP_LOGVV(TAG, "  i=%u buffer[%u]=%u - buffer[%u]=%u -> %d", i, this->buffer_read_at_,
-              this->buffer_[this->buffer_read_at_], prev, this->buffer_[prev], multiplier * delta);
+    ESP_LOGVV(TAG, "  i=%u buffer[%u]=%u - buffer[%u]=%u -> %d", i, s.buffer_read_at, s.buffer[s.buffer_read_at], prev,
+              s.buffer[prev], multiplier * delta);
     this->temp_.push_back(multiplier * delta);
     prev = s.buffer_read_at;
     s.buffer_read_at = (s.buffer_read_at + 1) % s.buffer_size;
diff --git a/src/esphome/sensor/cse7766.cpp b/src/esphome/sensor/cse7766.cpp
index 929b6714..600c9048 100644
--- a/src/esphome/sensor/cse7766.cpp
+++ b/src/esphome/sensor/cse7766.cpp
@@ -43,34 +43,8 @@ bool CSE7766Component::check_byte_() {
   uint8_t index = this->raw_data_index_;
   uint8_t byte = this->raw_data_[index];
   if (index == 0) {
-    // Header - 0x55
-    // These messages are verbose because the CSE7766
-    // reports these when no load is attached. If the checksum doesn't match
-    // though, then we should print a warning.
-    if (byte == 0xAA) {
-      ESP_LOGV(TAG, "CSE7766 not calibrated!");
-      return false;
-    }
-    if ((byte & 0xF0) == 0xF0) {
-      ESP_LOGV(TAG, "CSE7766 reports abnormal hardware: (0x%02X)", byte);
-      if ((byte >> 3) & 1) {
-        ESP_LOGV(TAG, "  Voltage cycle exceeds range.");
-      }
-      if ((byte >> 2) & 1) {
-        ESP_LOGV(TAG, "  Current cycle exceeds range.");
-      }
-      if ((byte >> 1) & 1) {
-        ESP_LOGV(TAG, "  Power cycle exceeds range.");
-      }
-      if ((byte >> 0) & 1) {
-        ESP_LOGV(TAG, "  Coefficient storage area is abnormal.");
-      }
-      return false;
-    }
-    if (byte != 0x55) {
-      ESP_LOGV(TAG, "Invalid Header Start from CSE7766: 0x%02X!", byte);
-      return false;
-    }
+    // Header, usually 0x55, contains data about calibration etc.
+    // this is validated in parse_data_
     return true;
   }
 
@@ -103,6 +77,18 @@ void CSE7766Component::parse_data_() {
     ESP_LOGVV(TAG, "  i=%u: 0b" BYTE_TO_BINARY_PATTERN " (0x%02X)", i, BYTE_TO_BINARY(this->raw_data_[i]),
               this->raw_data_[i]);
   }
+
+  uint8_t header1 = this->raw_data_[0];
+  if (header1 == 0xAA) {
+    ESP_LOGW(TAG, "CSE7766 not calibrated!");
+    return;
+  }
+  if ((header1 & 0xF0) == 0xF0 && ((header1 >> 0) & 1) == 1) {
+    ESP_LOGW(TAG, "CSE7766 reports abnormal hardware: (0x%02X)", header1);
+    ESP_LOGW(TAG, "  Coefficient storage area is abnormal.");
+    return;
+  }
+
   const uint32_t now = micros();
   const float d = (now - this->last_reading_) / 1000.0f;
   this->last_reading_ = now;
@@ -116,19 +102,25 @@ void CSE7766Component::parse_data_() {
 
   uint8_t adj = this->raw_data_[20];
 
-  if ((adj >> 6 != 0) && voltage_cycle != 0) {
+  if ((adj >> 6 != 0) && voltage_cycle != 0 &&
+      // voltage cycle exceeds range
+      ((header1 >> 3) & 1) == 0) {
     // voltage cycle of serial port outputted is a complete cycle;
     float voltage = voltage_calib / float(voltage_cycle);
     this->voltage_acc_ += voltage * d;
   }
 
-  if ((adj >> 5 != 0) && power_cycle != 0 && current_cycle != 0) {
+  if ((adj >> 5 != 0) && power_cycle != 0 && current_cycle != 0 &&
+      // current cycle exceeds range
+      ((header1 >> 2) & 1) == 0) {
     // indicates current cycle of serial port outputted is a complete cycle;
     float current = current_calib / float(current_cycle);
     this->current_acc_ += current * d;
   }
 
-  if ((adj >> 4 != 0) && power_cycle != 0) {
+  if ((adj >> 4 != 0) && power_cycle != 0 &&
+      // power cycle exceeds range
+      ((header1 >> 1) & 1) == 0) {
     // power cycle of serial port outputted is a complete cycle;
     float active_power = power_calib / float(power_cycle);
     this->power_acc_ += active_power * d;
diff --git a/src/esphome/sensor/rotary_encoder.cpp b/src/esphome/sensor/rotary_encoder.cpp
index e0fc8f01..35275f7c 100644
--- a/src/esphome/sensor/rotary_encoder.cpp
+++ b/src/esphome/sensor/rotary_encoder.cpp
@@ -88,7 +88,7 @@ void ICACHE_RAM_ATTR HOT RotaryEncoderSensorStore::gpio_intr(RotaryEncoderSensor
   if (arg->pin_b->digital_read())
     input_state |= STATE_PIN_B_HIGH;
 
-  uint8_t new_state = STATE_LOOKUP_TABLE[input_state];
+  uint16_t new_state = STATE_LOOKUP_TABLE[input_state];
   if ((new_state & arg->resolution & STATE_HAS_INCREMENTED) != 0) {
     if (arg->counter < arg->max_value)
       arg->counter++;
diff --git a/src/esphome/wifi_component.cpp b/src/esphome/wifi_component.cpp
index 0295f73c..c3f46b56 100644
--- a/src/esphome/wifi_component.cpp
+++ b/src/esphome/wifi_component.cpp
@@ -174,7 +174,7 @@ void WiFiComponent::start_connecting(const WiFiAP &ap, bool two) {
   } else {
     ESP_LOGV(TAG, "  BSSID: Not Set");
   }
-  ESP_LOGV(TAG, "  Password: " LOG_SECRET("'%s'"), ap.get_password());
+  ESP_LOGV(TAG, "  Password: " LOG_SECRET("'%s'"), ap.get_password().c_str());
   if (ap.get_channel().has_value()) {
     ESP_LOGV(TAG, "  Channel: %u", *ap.get_channel());
   } else {
@@ -779,6 +779,12 @@ const char *get_disconnect_reason_str(uint8_t reason) {
 }
 
 void WiFiComponent::wifi_event_callback(System_Event_t *event) {
+#ifdef ESPHOME_LOG_HAS_VERBOSE
+  // TODO: this callback is called while in cont context, so delay will fail
+  // We need to defer the log messages until we're out of this context
+  // only affects verbose log level
+  // reproducible by enabling verbose log level and letting the ESP disconnect and
+  // then reconnect to WiFi.
   switch (event->event) {
     case EVENT_STAMODE_CONNECTED: {
       auto it = event->event_info.connected;
@@ -794,7 +800,7 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
       char buf[33];
       memcpy(buf, it.ssid, it.ssid_len);
       buf[it.ssid_len] = '\0';
-      ESP_LOGW(TAG, "Event: Disconnected ssid='%s' bssid=%s reason='%s'", buf, format_mac_addr(it.bssid).c_str(),
+      ESP_LOGV(TAG, "Event: Disconnected ssid='%s' bssid=%s reason='%s'", buf, format_mac_addr(it.bssid).c_str(),
                get_disconnect_reason_str(it.reason));
       break;
     }
@@ -844,6 +850,7 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
     default:
       break;
   }
+#endif
 
   if (event->event == EVENT_STAMODE_DISCONNECTED) {
     global_wifi_component->error_from_callback_ = true;