diff --git a/.trunk/trunk.yaml b/.trunk/trunk.yaml
index e9bbba9ff..4e9de6a02 100644
--- a/.trunk/trunk.yaml
+++ b/.trunk/trunk.yaml
@@ -9,7 +9,7 @@ plugins:
 lint:
   enabled:
     - checkov@3.2.471
-    - renovate@41.127.2
+    - renovate@41.130.1
     - prettier@3.6.2
     - trufflehog@3.90.8
     - yamllint@1.37.1
diff --git a/arch/esp32/esp32.ini b/arch/esp32/esp32.ini
index 8990053eb..d2c933461 100644
--- a/arch/esp32/esp32.ini
+++ b/arch/esp32/esp32.ini
@@ -36,6 +36,7 @@ build_flags =
   -DCONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=8192
   -DESP_OPENSSL_SUPPRESS_LEGACY_WARNING
   -DSERIAL_BUFFER_SIZE=4096
+  -DSERIAL_HAS_ON_RECEIVE
   -DLIBPAX_ARDUINO
   -DLIBPAX_WIFI
   -DLIBPAX_BLE
diff --git a/platformio.ini b/platformio.ini
index bd2e8fa37..f6c0f3867 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -56,6 +56,7 @@ build_flags = -Wno-missing-field-initializers
 	#-DBUILD_EPOCH=$UNIX_TIME ; set in platformio-custom.py now
 	#-D OLED_PL=1
 	#-D DEBUG_HEAP=1 ; uncomment to add free heap space / memory leak debugging logs
+	#-D DEBUG_LOOP_TIMING=1 ; uncomment to add main loop timing logs
 
 monitor_speed = 115200
 monitor_filters = direct
diff --git a/protobufs b/protobufs
index 46b81e822..082bb7cfe 160000
--- a/protobufs
+++ b/protobufs
@@ -1 +1 @@
-Subproject commit 46b81e822af1b8e408f437092337f129dee693e6
+Subproject commit 082bb7cfeb2cba9d41be139cd324c4b43a14b3f9
diff --git a/src/AudioThread.h b/src/AudioThread.h
index 286729909..cb1f804ac 100644
--- a/src/AudioThread.h
+++ b/src/AudioThread.h
@@ -26,6 +26,7 @@ class AudioThread : public concurrency::OSThread
         i2sRtttl->begin(rtttlFile, audioOut);
     }
 
+    // Also handles actually playing the RTTTL, needs to be called in loop
     bool isPlaying()
     {
         if (i2sRtttl != nullptr) {
diff --git a/src/SerialConsole.cpp b/src/SerialConsole.cpp
index 093a24678..51dbcb7be 100644
--- a/src/SerialConsole.cpp
+++ b/src/SerialConsole.cpp
@@ -6,6 +6,14 @@
 #include "configuration.h"
 #include "time.h"
 
+#if defined(ARDUINO_USB_CDC_ON_BOOT) && ARDUINO_USB_CDC_ON_BOOT
+#define IS_USB_SERIAL
+#ifdef SERIAL_HAS_ON_RECEIVE
+#undef SERIAL_HAS_ON_RECEIVE
+#endif
+#include "HWCDC.h"
+#endif
+
 #ifdef RP2040_SLOW_CLOCK
 #define Port Serial2
 #else
@@ -22,7 +30,12 @@ SerialConsole *console;
 
 void consoleInit()
 {
-    new SerialConsole(); // Must be dynamically allocated because we are now inheriting from thread
+    auto sc = new SerialConsole(); // Must be dynamically allocated because we are now inheriting from thread
+
+#if defined(SERIAL_HAS_ON_RECEIVE)
+    // onReceive does only exist for HardwareSerial not for USB CDC serial
+    Port.onReceive([sc]() { sc->rxInt(); });
+#endif
     DEBUG_PORT.rpInit(); // Simply sets up semaphore
 }
 
@@ -65,14 +78,21 @@ SerialConsole::SerialConsole() : StreamAPI(&Port), RedirectablePrint(&Port), con
 int32_t SerialConsole::runOnce()
 {
 #ifdef HELTEC_MESH_SOLAR
-    //After enabling the mesh solar serial port module configuration, command processing is handled by the serial port module.
-    if(moduleConfig.serial.enabled && moduleConfig.serial.override_console_serial_port
-        && moduleConfig.serial.mode==meshtastic_ModuleConfig_SerialConfig_Serial_Mode_MS_CONFIG)
-    {
+    // After enabling the mesh solar serial port module configuration, command processing is handled by the serial port module.
+    if (moduleConfig.serial.enabled && moduleConfig.serial.override_console_serial_port &&
+        moduleConfig.serial.mode == meshtastic_ModuleConfig_SerialConfig_Serial_Mode_MS_CONFIG) {
         return 250;
     }
 #endif
-    return runOncePart();
+
+    int32_t delay = runOncePart();
+#if defined(SERIAL_HAS_ON_RECEIVE)
+    return Port.available() ? delay : INT32_MAX;
+#elif defined(IS_USB_SERIAL)
+    return HWCDC::isPlugged() ? delay : (1000 * 20);
+#else
+    return delay;
+#endif
 }
 
 void SerialConsole::flush()
@@ -80,6 +100,18 @@ void SerialConsole::flush()
     Port.flush();
 }
 
+// trigger tx of serial data
+void SerialConsole::onNowHasData(uint32_t fromRadioNum)
+{
+    setIntervalFromNow(0);
+}
+
+// trigger rx of serial data
+void SerialConsole::rxInt()
+{
+    setIntervalFromNow(0);
+}
+
 // For the serial port we can't really detect if any client is on the other side, so instead just look for recent messages
 bool SerialConsole::checkIsConnected()
 {
diff --git a/src/SerialConsole.h b/src/SerialConsole.h
index f1e636c9d..98577e4bc 100644
--- a/src/SerialConsole.h
+++ b/src/SerialConsole.h
@@ -32,11 +32,14 @@ class SerialConsole : public StreamAPI, public RedirectablePrint, private concur
     virtual int32_t runOnce() override;
 
     void flush();
+    void rxInt();
 
   protected:
     /// Check the current underlying physical link to see if the client is currently connected
     virtual bool checkIsConnected() override;
 
+    virtual void onNowHasData(uint32_t fromRadioNum) override;
+
     /// Possibly switch to protobufs if we see a valid protobuf message
     virtual void log_to_serial(const char *logLevel, const char *format, va_list arg);
 };
diff --git a/src/buzz/BuzzerFeedbackThread.cpp b/src/buzz/BuzzerFeedbackThread.cpp
index 12b30a705..afa8c96e2 100644
--- a/src/buzz/BuzzerFeedbackThread.cpp
+++ b/src/buzz/BuzzerFeedbackThread.cpp
@@ -5,7 +5,7 @@
 
 BuzzerFeedbackThread *buzzerFeedbackThread;
 
-BuzzerFeedbackThread::BuzzerFeedbackThread() : OSThread("BuzzerFeedback")
+BuzzerFeedbackThread::BuzzerFeedbackThread()
 {
     if (inputBroker)
         inputObserver.observe(inputBroker);
@@ -19,10 +19,6 @@ int BuzzerFeedbackThread::handleInputEvent(const InputEvent *event)
         return 0; // Let other handlers process the event
     }
 
-    // Track last event time for potential future use
-    lastEventTime = millis();
-    needsUpdate = true;
-
     // Handle different input events with appropriate buzzer feedback
     switch (event->inputEvent) {
     case INPUT_BROKER_USER_PRESS:
@@ -61,15 +57,4 @@ int BuzzerFeedbackThread::handleInputEvent(const InputEvent *event)
     }
 
     return 0; // Allow other handlers to process the event
-}
-
-int32_t BuzzerFeedbackThread::runOnce()
-{
-    // This thread is primarily event-driven, but we can use runOnce
-    // for any periodic tasks if needed in the future
-
-    needsUpdate = false;
-
-    // Run every 100ms when active, less frequently when idle
-    return needsUpdate ? 100 : 1000;
-}
+}
\ No newline at end of file
diff --git a/src/buzz/BuzzerFeedbackThread.h b/src/buzz/BuzzerFeedbackThread.h
index dedea9860..7dc08ead5 100644
--- a/src/buzz/BuzzerFeedbackThread.h
+++ b/src/buzz/BuzzerFeedbackThread.h
@@ -4,7 +4,7 @@
 #include "concurrency/OSThread.h"
 #include "input/InputBroker.h"
 
-class BuzzerFeedbackThread : public concurrency::OSThread
+class BuzzerFeedbackThread
 {
     CallbackObserver<BuzzerFeedbackThread, const InputEvent *> inputObserver =
         CallbackObserver<BuzzerFeedbackThread, const InputEvent *>(this, &BuzzerFeedbackThread::handleInputEvent);
@@ -12,13 +12,6 @@ class BuzzerFeedbackThread : public concurrency::OSThread
   public:
     BuzzerFeedbackThread();
     int handleInputEvent(const InputEvent *event);
-
-  protected:
-    virtual int32_t runOnce() override;
-
-  private:
-    uint32_t lastEventTime = 0;
-    bool needsUpdate = false;
 };
 
 extern BuzzerFeedbackThread *buzzerFeedbackThread;
diff --git a/src/concurrency/OSThread.cpp b/src/concurrency/OSThread.cpp
index 5aee03bbf..ce9a256b7 100644
--- a/src/concurrency/OSThread.cpp
+++ b/src/concurrency/OSThread.cpp
@@ -90,7 +90,9 @@ void OSThread::run()
     if (heap < newHeap)
         LOG_HEAP("++++++ Thread %s freed heap %d -> %d (%d) ++++++", ThreadName.c_str(), heap, newHeap, newHeap - heap);
 #endif
-
+#ifdef DEBUG_LOOP_TIMING
+    LOG_DEBUG("====== Thread next run in: %d", newDelay);
+#endif
     runned();
 
     if (newDelay >= 0)
diff --git a/src/configuration.h b/src/configuration.h
index dbd09235e..6968bb41e 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -117,6 +117,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define SX126X_MAX_POWER 22
 #endif
 
+#ifdef HELTEC_V4
+// Power Amps are often non-linear, so we can use an array of values for the power curve
+#define NUM_PA_POINTS 22
+#define TX_GAIN_LORA 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 7
+#endif
+
 // Default system gain to 0 if not defined
 #ifndef TX_GAIN_LORA
 #define TX_GAIN_LORA 0
diff --git a/src/graphics/SharedUIDisplay.cpp b/src/graphics/SharedUIDisplay.cpp
index 3937bcf50..dcaa5d69b 100644
--- a/src/graphics/SharedUIDisplay.cpp
+++ b/src/graphics/SharedUIDisplay.cpp
@@ -284,7 +284,7 @@ void drawCommonHeader(OLEDDisplay *display, int16_t x, int16_t y, const char *ti
                 int iconX = iconRightEdge - mute_symbol_big_width;
                 int iconY = textY + (FONT_HEIGHT_SMALL - mute_symbol_big_height) / 2;
 
-                if (isInverted) {
+                if (isInverted && !force_no_invert) {
                     display->setColor(WHITE);
                     display->fillRect(iconX - 1, iconY - 1, mute_symbol_big_width + 2, mute_symbol_big_height + 2);
                     display->setColor(BLACK);
diff --git a/src/graphics/draw/MenuHandler.cpp b/src/graphics/draw/MenuHandler.cpp
index 7c4f4e05f..43b3fb8ab 100644
--- a/src/graphics/draw/MenuHandler.cpp
+++ b/src/graphics/draw/MenuHandler.cpp
@@ -852,24 +852,31 @@ void menuHandler::GPSFormatMenu()
     bannerOptions.bannerCallback = [](int selected) -> void {
         if (selected == 1) {
             uiconfig.gps_format = meshtastic_DeviceUIConfig_GpsCoordinateFormat_DEC;
+            saveUIConfig();
             service->reloadConfig(SEGMENT_CONFIG);
         } else if (selected == 2) {
             uiconfig.gps_format = meshtastic_DeviceUIConfig_GpsCoordinateFormat_DMS;
+            saveUIConfig();
             service->reloadConfig(SEGMENT_CONFIG);
         } else if (selected == 3) {
             uiconfig.gps_format = meshtastic_DeviceUIConfig_GpsCoordinateFormat_UTM;
+            saveUIConfig();
             service->reloadConfig(SEGMENT_CONFIG);
         } else if (selected == 4) {
             uiconfig.gps_format = meshtastic_DeviceUIConfig_GpsCoordinateFormat_MGRS;
+            saveUIConfig();
             service->reloadConfig(SEGMENT_CONFIG);
         } else if (selected == 5) {
             uiconfig.gps_format = meshtastic_DeviceUIConfig_GpsCoordinateFormat_OLC;
+            saveUIConfig();
             service->reloadConfig(SEGMENT_CONFIG);
         } else if (selected == 6) {
             uiconfig.gps_format = meshtastic_DeviceUIConfig_GpsCoordinateFormat_OSGR;
+            saveUIConfig();
             service->reloadConfig(SEGMENT_CONFIG);
         } else if (selected == 7) {
             uiconfig.gps_format = meshtastic_DeviceUIConfig_GpsCoordinateFormat_MLS;
+            saveUIConfig();
             service->reloadConfig(SEGMENT_CONFIG);
         } else {
             menuQueue = position_base_menu;
diff --git a/src/graphics/draw/UIRenderer.cpp b/src/graphics/draw/UIRenderer.cpp
index 988e7eb53..ff8cd20c5 100644
--- a/src/graphics/draw/UIRenderer.cpp
+++ b/src/graphics/draw/UIRenderer.cpp
@@ -125,8 +125,10 @@ void UIRenderer::drawGpsCoordinates(OLEDDisplay *display, int16_t x, int16_t y,
     char displayLine[32];
 
     if (!gps->getIsConnected() && !config.position.fixed_position) {
-        strcpy(displayLine, "No GPS present");
-        display->drawString(x, y, displayLine);
+        if (strcmp(mode, "line1") == 0) {
+            strcpy(displayLine, "No GPS present");
+            display->drawString(x, y, displayLine);
+        }
     } else if (!gps->getHasLock() && !config.position.fixed_position) {
         if (strcmp(mode, "line1") == 0) {
             strcpy(displayLine, "No GPS Lock");
@@ -1103,6 +1105,18 @@ void UIRenderer::drawCompassAndLocationScreen(OLEDDisplay *display, OLEDDisplayU
             // === Fourth Row: Line 2 GPS Info ===
             UIRenderer::drawGpsCoordinates(display, x, getTextPositions(display)[line++], gpsStatus, "line2");
         }
+
+        // === Final Row: Altitude ===
+        char altitudeLine[32] = {0};
+        int32_t alt = (strcmp(displayLine, "Phone GPS") == 0 && ourNode && nodeDB->hasValidPosition(ourNode))
+                          ? ourNode->position.altitude
+                          : geoCoord.getAltitude();
+        if (config.display.units == meshtastic_Config_DisplayConfig_DisplayUnits_IMPERIAL) {
+            snprintf(altitudeLine, sizeof(altitudeLine), "Alt: %.0fft", alt * METERS_TO_FEET);
+        } else {
+            snprintf(altitudeLine, sizeof(altitudeLine), "Alt: %.0im", alt);
+        }
+        display->drawString(x, getTextPositions(display)[line++], altitudeLine);
     }
 #if !defined(M5STACK_UNITC6L)
     // === Draw Compass if heading is valid ===
diff --git a/src/input/ButtonThread.cpp b/src/input/ButtonThread.cpp
index 32882f7ae..1d26e0758 100644
--- a/src/input/ButtonThread.cpp
+++ b/src/input/ButtonThread.cpp
@@ -274,7 +274,12 @@ int32_t ButtonThread::runOnce()
         }
     }
     btnEvent = BUTTON_EVENT_NONE;
-    return 50;
+
+    // only pull when the button is pressed, we get notified via IRQ on a new press
+    if (!userButton.isIdle() || waitingForLongPress) {
+        return 50;
+    }
+    return INT32_MAX;
 }
 
 /*
diff --git a/src/main.cpp b/src/main.cpp
index 5a1b361b3..38c8e8ca5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1002,6 +1002,7 @@ void setup()
             config.pullupSense = INPUT_PULLUP;
             config.intRoutine = []() {
                 UserButtonThread->userButton.tick();
+                UserButtonThread->setIntervalFromNow(0);
                 runASAP = true;
                 BaseType_t higherWake = 0;
                 mainDelay.interruptFromISR(&higherWake);
@@ -1022,6 +1023,7 @@ void setup()
     touchConfig.pullupSense = pullup_sense;
     touchConfig.intRoutine = []() {
         TouchButtonThread->userButton.tick();
+        TouchButtonThread->setIntervalFromNow(0);
         runASAP = true;
         BaseType_t higherWake = 0;
         mainDelay.interruptFromISR(&higherWake);
@@ -1041,6 +1043,7 @@ void setup()
     cancelConfig.pullupSense = pullup_sense;
     cancelConfig.intRoutine = []() {
         CancelButtonThread->userButton.tick();
+        CancelButtonThread->setIntervalFromNow(0);
         runASAP = true;
         BaseType_t higherWake = 0;
         mainDelay.interruptFromISR(&higherWake);
@@ -1061,6 +1064,7 @@ void setup()
     backConfig.pullupSense = pullup_sense;
     backConfig.intRoutine = []() {
         BackButtonThread->userButton.tick();
+        BackButtonThread->setIntervalFromNow(0);
         runASAP = true;
         BaseType_t higherWake = 0;
         mainDelay.interruptFromISR(&higherWake);
@@ -1095,6 +1099,7 @@ void setup()
         userConfig.pullupSense = pullup_sense;
         userConfig.intRoutine = []() {
             UserButtonThread->userButton.tick();
+            UserButtonThread->setIntervalFromNow(0);
             runASAP = true;
             BaseType_t higherWake = 0;
             mainDelay.interruptFromISR(&higherWake);
@@ -1112,6 +1117,7 @@ void setup()
         userConfigNoScreen.pullupSense = pullup_sense;
         userConfigNoScreen.intRoutine = []() {
             UserButtonThread->userButton.tick();
+            UserButtonThread->setIntervalFromNow(0);
             runASAP = true;
             BaseType_t higherWake = 0;
             mainDelay.interruptFromISR(&higherWake);
@@ -1607,6 +1613,9 @@ void loop()
 
     // We want to sleep as long as possible here - because it saves power
     if (!runASAP && loopCanSleep()) {
+#ifdef DEBUG_LOOP_TIMING
+        LOG_DEBUG("main loop delay: %d", delayMsec);
+#endif
         mainDelay.delay(delayMsec);
     }
 }
diff --git a/src/mesh/FloodingRouter.cpp b/src/mesh/FloodingRouter.cpp
index 3caee78f8..7ce106317 100644
--- a/src/mesh/FloodingRouter.cpp
+++ b/src/mesh/FloodingRouter.cpp
@@ -54,6 +54,10 @@ bool FloodingRouter::shouldFilterReceived(const meshtastic_MeshPacket *p)
             // We already enqueued the improved copy, so make sure the incoming packet stops here.
             return true;
         }
+
+        // No queue entry was replaced by this upgraded copy, so treat it as a duplicate to avoid
+        // delivering the same packet to applications/phone twice with different hop limits.
+        seenRecently = true;
     }
 
     if (seenRecently) {
diff --git a/src/mesh/NextHopRouter.cpp b/src/mesh/NextHopRouter.cpp
index 4ae0a818e..dce436471 100644
--- a/src/mesh/NextHopRouter.cpp
+++ b/src/mesh/NextHopRouter.cpp
@@ -64,6 +64,10 @@ bool NextHopRouter::shouldFilterReceived(const meshtastic_MeshPacket *p)
             // We already enqueued the improved copy, so make sure the incoming packet stops here.
             return true;
         }
+
+        // No queue entry was replaced by this upgraded copy, so treat it as a duplicate to avoid
+        // delivering the same packet to applications/phone twice with different hop limits.
+        seenRecently = true;
     }
 
     if (seenRecently) {
diff --git a/src/mesh/NodeDB.cpp b/src/mesh/NodeDB.cpp
index 97dfb3e52..b512ae675 100644
--- a/src/mesh/NodeDB.cpp
+++ b/src/mesh/NodeDB.cpp
@@ -701,7 +701,7 @@ void NodeDB::installDefaultConfig(bool preserveKey = false)
 #ifdef USERPREFS_NETWORK_ENABLED_PROTOCOLS
     config.network.enabled_protocols = USERPREFS_NETWORK_ENABLED_PROTOCOLS;
 #else
-    config.network.enabled_protocols = 1;
+    config.network.enabled_protocols = 0;
 #endif
 #endif
 
@@ -1667,9 +1667,6 @@ bool NodeDB::updateUser(uint32_t nodeId, meshtastic_User &p, uint8_t channelInde
             return false;
         }
         LOG_INFO("Public Key set for node, not updating!");
-        // we copy the key into the incoming packet, to prevent overwrite
-        p.public_key.size = 32;
-        memcpy(p.public_key.bytes, info->user.public_key.bytes, 32);
     } else if (p.public_key.size == 32) {
         LOG_INFO("Update Node Pubkey!");
     }
diff --git a/src/mesh/RadioInterface.cpp b/src/mesh/RadioInterface.cpp
index 31c68c302..b891ec89c 100644
--- a/src/mesh/RadioInterface.cpp
+++ b/src/mesh/RadioInterface.cpp
@@ -674,11 +674,25 @@ void RadioInterface::limitPower(int8_t loraMaxPower)
         power = maxPower;
     }
 
+#ifndef NUM_PA_POINTS
     if (TX_GAIN_LORA > 0) {
         LOG_INFO("Requested Tx power: %d dBm; Device LoRa Tx gain: %d dB", power, TX_GAIN_LORA);
         power -= TX_GAIN_LORA;
     }
+#else
+    // we have an array of PA gain values.  Find the highest power setting that works.
+    const uint16_t tx_gain[NUM_PA_POINTS] = {TX_GAIN_LORA};
+    for (int radio_dbm = 0; radio_dbm < NUM_PA_POINTS; radio_dbm++) {
+        if (((radio_dbm + tx_gain[radio_dbm]) > power) ||
+            ((radio_dbm == (NUM_PA_POINTS - 1)) && ((radio_dbm + tx_gain[radio_dbm]) <= power))) {
+            // we've exceeded the power limit, or hit the max we can do
+            LOG_INFO("Requested Tx power: %d dBm; Device LoRa Tx gain: %d dB", power, tx_gain[radio_dbm]);
+            power -= tx_gain[radio_dbm];
+            break;
+        }
+    }
 
+#endif
     if (power > loraMaxPower) // Clamp power to maximum defined level
         power = loraMaxPower;
 
diff --git a/src/mesh/Router.cpp b/src/mesh/Router.cpp
index 171c383ba..7f17737e5 100644
--- a/src/mesh/Router.cpp
+++ b/src/mesh/Router.cpp
@@ -90,7 +90,7 @@ bool Router::shouldDecrementHopLimit(const meshtastic_MeshPacket *p)
     // For subsequent hops, check if previous relay is a favorite router
     // Optimized search for favorite routers with matching last byte
     // Check ordering optimized for IoT devices (cheapest checks first)
-    for (int i = 0; i < nodeDB->getNumMeshNodes(); i++) {
+    for (size_t i = 0; i < nodeDB->getNumMeshNodes(); i++) {
         meshtastic_NodeInfoLite *node = nodeDB->getMeshNodeByIndex(i);
         if (!node)
             continue;
@@ -105,7 +105,7 @@ bool Router::shouldDecrementHopLimit(const meshtastic_MeshPacket *p)
 
         // Check 3: role check (moderate cost - multiple comparisons)
         if (!IS_ONE_OF(node->user.role, meshtastic_Config_DeviceConfig_Role_ROUTER,
-                       meshtastic_Config_DeviceConfig_Role_ROUTER_LATE, meshtastic_Config_DeviceConfig_Role_CLIENT_BASE)) {
+                       meshtastic_Config_DeviceConfig_Role_ROUTER_LATE)) {
             continue;
         }
 
@@ -483,35 +483,6 @@ DecodeState perhapsDecode(meshtastic_MeshPacket *p)
         }
     }
 
-#if HAS_UDP_MULTICAST
-    // Fallback: for UDP multicast, try default preset names with default PSK if normal channel match failed
-    if (!decrypted && p->transport_mechanism == meshtastic_MeshPacket_TransportMechanism_TRANSPORT_MULTICAST_UDP) {
-        if (channels.setDefaultPresetCryptoForHash(p->channel)) {
-            memcpy(bytes, p->encrypted.bytes, rawSize);
-            crypto->decrypt(p->from, p->id, rawSize, bytes);
-
-            meshtastic_Data decodedtmp;
-            memset(&decodedtmp, 0, sizeof(decodedtmp));
-            if (pb_decode_from_bytes(bytes, rawSize, &meshtastic_Data_msg, &decodedtmp) &&
-                decodedtmp.portnum != meshtastic_PortNum_UNKNOWN_APP) {
-                p->decoded = decodedtmp;
-                p->which_payload_variant = meshtastic_MeshPacket_decoded_tag;
-                // Map to our local default channel index (name+PSK default), not necessarily primary
-                ChannelIndex defaultIndex = channels.getPrimaryIndex();
-                for (ChannelIndex i = 0; i < channels.getNumChannels(); ++i) {
-                    if (channels.isDefaultChannel(i)) {
-                        defaultIndex = i;
-                        break;
-                    }
-                }
-                chIndex = defaultIndex;
-                decrypted = true;
-            } else {
-                LOG_WARN("UDP fallback decode attempted but failed for hash 0x%x", p->channel);
-            }
-        }
-    }
-#endif
     if (decrypted) {
         // parsing was successful
         p->channel = chIndex; // change to store the index instead of the hash
diff --git a/src/mesh/SX126xInterface.cpp b/src/mesh/SX126xInterface.cpp
index 3fc2562b3..785338483 100644
--- a/src/mesh/SX126xInterface.cpp
+++ b/src/mesh/SX126xInterface.cpp
@@ -80,6 +80,9 @@ template <typename T> bool SX126xInterface<T>::init()
     RadioLibInterface::init();
 
     limitPower(SX126X_MAX_POWER);
+    // Make sure we reach the minimum power supported to turn the chip on (-9dBm)
+    if (power < -9)
+        power = -9;
 
     int res = lora.begin(getFreq(), bw, sf, cr, syncWord, power, preambleLength, tcxoVoltage, useRegulatorLDO);
     // \todo Display actual typename of the adapter, not just `SX126x`
@@ -118,8 +121,8 @@ template <typename T> bool SX126xInterface<T>::init()
         LOG_DEBUG("Set DIO2 as %sRF switch, result: %d", dio2AsRfSwitch ? "" : "not ", res);
     }
 
-    // If a pin isn't defined, we set it to RADIOLIB_NC, it is safe to always do external RF switching with RADIOLIB_NC as it has
-    // no effect
+// If a pin isn't defined, we set it to RADIOLIB_NC, it is safe to always do external RF switching with RADIOLIB_NC as it has
+// no effect
 #if ARCH_PORTDUINO
     if (res == RADIOLIB_ERR_NONE) {
         LOG_DEBUG("Use MCU pin %i as RXEN and pin %i as TXEN to control RF switching", portduino_config.lora_rxen_pin.pin,
diff --git a/src/mesh/generated/meshtastic/apponly.pb.h b/src/mesh/generated/meshtastic/apponly.pb.h
index f4c33bd79..db9dedaaf 100644
--- a/src/mesh/generated/meshtastic/apponly.pb.h
+++ b/src/mesh/generated/meshtastic/apponly.pb.h
@@ -55,7 +55,7 @@ extern const pb_msgdesc_t meshtastic_ChannelSet_msg;
 
 /* Maximum encoded size of messages (where known) */
 #define MESHTASTIC_MESHTASTIC_APPONLY_PB_H_MAX_SIZE meshtastic_ChannelSet_size
-#define meshtastic_ChannelSet_size               679
+#define meshtastic_ChannelSet_size               695
 
 #ifdef __cplusplus
 } /* extern "C" */
diff --git a/src/mesh/generated/meshtastic/channel.pb.h b/src/mesh/generated/meshtastic/channel.pb.h
index ca4310bf1..d5573a1e2 100644
--- a/src/mesh/generated/meshtastic/channel.pb.h
+++ b/src/mesh/generated/meshtastic/channel.pb.h
@@ -97,6 +97,8 @@ typedef struct _meshtastic_ChannelSettings {
     /* Per-channel module settings. */
     bool has_module_settings;
     meshtastic_ModuleSettings module_settings;
+    /* Whether or not we should receive notifactions / alerts through this channel */
+    bool mute;
 } meshtastic_ChannelSettings;
 
 /* A pair of a channel number, mode and the (sharable) settings for that channel */
@@ -128,10 +130,10 @@ extern "C" {
 
 
 /* Initializer values for message structs */
-#define meshtastic_ChannelSettings_init_default  {0, {0, {0}}, "", 0, 0, 0, false, meshtastic_ModuleSettings_init_default}
+#define meshtastic_ChannelSettings_init_default  {0, {0, {0}}, "", 0, 0, 0, false, meshtastic_ModuleSettings_init_default, 0}
 #define meshtastic_ModuleSettings_init_default   {0, 0}
 #define meshtastic_Channel_init_default          {0, false, meshtastic_ChannelSettings_init_default, _meshtastic_Channel_Role_MIN}
-#define meshtastic_ChannelSettings_init_zero     {0, {0, {0}}, "", 0, 0, 0, false, meshtastic_ModuleSettings_init_zero}
+#define meshtastic_ChannelSettings_init_zero     {0, {0, {0}}, "", 0, 0, 0, false, meshtastic_ModuleSettings_init_zero, 0}
 #define meshtastic_ModuleSettings_init_zero      {0, 0}
 #define meshtastic_Channel_init_zero             {0, false, meshtastic_ChannelSettings_init_zero, _meshtastic_Channel_Role_MIN}
 
@@ -145,6 +147,7 @@ extern "C" {
 #define meshtastic_ChannelSettings_uplink_enabled_tag 5
 #define meshtastic_ChannelSettings_downlink_enabled_tag 6
 #define meshtastic_ChannelSettings_module_settings_tag 7
+#define meshtastic_ChannelSettings_mute_tag      8
 #define meshtastic_Channel_index_tag             1
 #define meshtastic_Channel_settings_tag          2
 #define meshtastic_Channel_role_tag              3
@@ -157,7 +160,8 @@ X(a, STATIC,   SINGULAR, STRING,   name,              3) \
 X(a, STATIC,   SINGULAR, FIXED32,  id,                4) \
 X(a, STATIC,   SINGULAR, BOOL,     uplink_enabled,    5) \
 X(a, STATIC,   SINGULAR, BOOL,     downlink_enabled,   6) \
-X(a, STATIC,   OPTIONAL, MESSAGE,  module_settings,   7)
+X(a, STATIC,   OPTIONAL, MESSAGE,  module_settings,   7) \
+X(a, STATIC,   SINGULAR, BOOL,     mute,              8)
 #define meshtastic_ChannelSettings_CALLBACK NULL
 #define meshtastic_ChannelSettings_DEFAULT NULL
 #define meshtastic_ChannelSettings_module_settings_MSGTYPE meshtastic_ModuleSettings
@@ -187,8 +191,8 @@ extern const pb_msgdesc_t meshtastic_Channel_msg;
 
 /* Maximum encoded size of messages (where known) */
 #define MESHTASTIC_MESHTASTIC_CHANNEL_PB_H_MAX_SIZE meshtastic_Channel_size
-#define meshtastic_ChannelSettings_size          72
-#define meshtastic_Channel_size                  87
+#define meshtastic_ChannelSettings_size          74
+#define meshtastic_Channel_size                  89
 #define meshtastic_ModuleSettings_size           8
 
 #ifdef __cplusplus
diff --git a/src/mesh/generated/meshtastic/config.pb.h b/src/mesh/generated/meshtastic/config.pb.h
index 0453ecad2..327568316 100644
--- a/src/mesh/generated/meshtastic/config.pb.h
+++ b/src/mesh/generated/meshtastic/config.pb.h
@@ -26,7 +26,8 @@ typedef enum _meshtastic_Config_DeviceConfig_Role {
     meshtastic_Config_DeviceConfig_Role_ROUTER_CLIENT = 3,
     /* Description: Infrastructure node for extending network coverage by relaying messages with minimal overhead. Not visible in Nodes list.
  Technical Details: Mesh packets will simply be rebroadcasted over this node. Nodes configured with this role will not originate NodeInfo, Position, Telemetry
-   or any other packet type. They will simply rebroadcast any mesh packets on the same frequency, channel num, spread factor, and coding rate. */
+   or any other packet type. They will simply rebroadcast any mesh packets on the same frequency, channel num, spread factor, and coding rate.
+ Deprecated in v2.7.11 because it creates "holes" in the mesh rebroadcast chain. */
     meshtastic_Config_DeviceConfig_Role_REPEATER = 4,
     /* Description: Broadcasts GPS position packets as priority.
  Technical Details: Position Mesh packets will be prioritized higher and sent more frequently by default.
diff --git a/src/mesh/generated/meshtastic/deviceonly.pb.h b/src/mesh/generated/meshtastic/deviceonly.pb.h
index 7fab82ff7..b5b116137 100644
--- a/src/mesh/generated/meshtastic/deviceonly.pb.h
+++ b/src/mesh/generated/meshtastic/deviceonly.pb.h
@@ -360,8 +360,8 @@ extern const pb_msgdesc_t meshtastic_BackupPreferences_msg;
 /* Maximum encoded size of messages (where known) */
 /* meshtastic_NodeDatabase_size depends on runtime parameters */
 #define MESHTASTIC_MESHTASTIC_DEVICEONLY_PB_H_MAX_SIZE meshtastic_BackupPreferences_size
-#define meshtastic_BackupPreferences_size        2277
-#define meshtastic_ChannelFile_size              718
+#define meshtastic_BackupPreferences_size        2293
+#define meshtastic_ChannelFile_size              734
 #define meshtastic_DeviceState_size              1737
 #define meshtastic_NodeInfoLite_size             196
 #define meshtastic_PositionLite_size             28
diff --git a/src/modules/ExternalNotificationModule.cpp b/src/modules/ExternalNotificationModule.cpp
index 2f2934984..1279078b1 100644
--- a/src/modules/ExternalNotificationModule.cpp
+++ b/src/modules/ExternalNotificationModule.cpp
@@ -69,7 +69,7 @@ bool ascending = true;
 #endif
 #define EXT_NOTIFICATION_MODULE_OUTPUT_MS 1000
 
-#define EXT_NOTIFICATION_DEFAULT_THREAD_MS 25
+#define EXT_NOTIFICATION_FAST_THREAD_MS 25
 
 #define ASCII_BELL 0x07
 
@@ -88,12 +88,13 @@ int32_t ExternalNotificationModule::runOnce()
     if (!moduleConfig.external_notification.enabled) {
         return INT32_MAX; // we don't need this thread here...
     } else {
-
-        bool isPlaying = rtttl::isPlaying();
+        uint32_t delay = EXT_NOTIFICATION_MODULE_OUTPUT_MS;
+        bool isRtttlPlaying = rtttl::isPlaying();
 #ifdef HAS_I2S
-        isPlaying = rtttl::isPlaying() || audioThread->isPlaying();
+        // audioThread->isPlaying() also handles actually playing the RTTTL, needs to be called in loop
+        isRtttlPlaying = isRtttlPlaying || audioThread->isPlaying();
 #endif
-        if ((nagCycleCutoff < millis()) && !isPlaying) {
+        if ((nagCycleCutoff < millis()) && !isRtttlPlaying) {
             // let the song finish if we reach timeout
             nagCycleCutoff = UINT32_MAX;
             LOG_INFO("Turning off external notification: ");
@@ -116,21 +117,16 @@ int32_t ExternalNotificationModule::runOnce()
 
         // If the output is turned on, turn it back off after the given period of time.
         if (isNagging) {
-            if (externalTurnedOn[0] + (moduleConfig.external_notification.output_ms ? moduleConfig.external_notification.output_ms
-                                                                                    : EXT_NOTIFICATION_MODULE_OUTPUT_MS) <
-                millis()) {
+            delay = (moduleConfig.external_notification.output_ms ? moduleConfig.external_notification.output_ms
+                                                                  : EXT_NOTIFICATION_MODULE_OUTPUT_MS);
+            if (externalTurnedOn[0] + delay < millis()) {
                 setExternalState(0, !getExternal(0));
             }
-            if (externalTurnedOn[1] + (moduleConfig.external_notification.output_ms ? moduleConfig.external_notification.output_ms
-                                                                                    : EXT_NOTIFICATION_MODULE_OUTPUT_MS) <
-                millis()) {
+            if (externalTurnedOn[1] + delay < millis()) {
                 setExternalState(1, !getExternal(1));
             }
             // Only toggle buzzer output if not using PWM mode (to avoid conflict with RTTTL)
-            if (!moduleConfig.external_notification.use_pwm &&
-                externalTurnedOn[2] + (moduleConfig.external_notification.output_ms ? moduleConfig.external_notification.output_ms
-                                                                                    : EXT_NOTIFICATION_MODULE_OUTPUT_MS) <
-                    millis()) {
+            if (!moduleConfig.external_notification.use_pwm && externalTurnedOn[2] + delay < millis()) {
                 LOG_DEBUG("EXTERNAL 2 %d compared to %d", externalTurnedOn[2] + moduleConfig.external_notification.output_ms,
                           millis());
                 setExternalState(2, !getExternal(2));
@@ -181,6 +177,8 @@ int32_t ExternalNotificationModule::runOnce()
                     colorState = 1;
                 }
             }
+            // we need fast updates for the color change
+            delay = EXT_NOTIFICATION_FAST_THREAD_MS;
 #endif
 
 #ifdef T_WATCH_S3
@@ -190,12 +188,14 @@ int32_t ExternalNotificationModule::runOnce()
 
         // Play RTTTL over i2s audio interface if enabled as buzzer
 #ifdef HAS_I2S
-        if (moduleConfig.external_notification.use_i2s_as_buzzer && canBuzz()) {
+        if (moduleConfig.external_notification.use_i2s_as_buzzer) {
             if (audioThread->isPlaying()) {
                 // Continue playing
             } else if (isNagging && (nagCycleCutoff >= millis())) {
                 audioThread->beginRttl(rtttlConfig.ringtone, strlen_P(rtttlConfig.ringtone));
             }
+            // we need fast updates to play the RTTTL
+            delay = EXT_NOTIFICATION_FAST_THREAD_MS;
         }
 #endif
         // now let the PWM buzzer play
@@ -206,9 +206,11 @@ int32_t ExternalNotificationModule::runOnce()
                 // start the song again if we have time left
                 rtttl::begin(config.device.buzzer_gpio, rtttlConfig.ringtone);
             }
+            // we need fast updates to play the RTTTL
+            delay = EXT_NOTIFICATION_FAST_THREAD_MS;
         }
 
-        return EXT_NOTIFICATION_DEFAULT_THREAD_MS;
+        return delay;
     }
 }
 
diff --git a/src/modules/RangeTestModule.cpp b/src/modules/RangeTestModule.cpp
index d1d2d9ead..3d78d0dc9 100644
--- a/src/modules/RangeTestModule.cpp
+++ b/src/modules/RangeTestModule.cpp
@@ -41,12 +41,12 @@ int32_t RangeTestModule::runOnce()
     // moduleConfig.range_test.enabled = 1;
     // moduleConfig.range_test.sender = 30;
     // moduleConfig.range_test.save = 1;
+    // moduleConfig.range_test.clear_on_reboot = 1;
 
     // Fixed position is useful when testing indoors.
     // config.position.fixed_position = 1;
 
     uint32_t senderHeartbeat = moduleConfig.range_test.sender * 1000;
-
     if (moduleConfig.range_test.enabled) {
 
         if (firstTime) {
@@ -54,6 +54,11 @@ int32_t RangeTestModule::runOnce()
 
             firstTime = 0;
 
+            if (moduleConfig.range_test.clear_on_reboot) {
+                // User wants to delete previous range test(s)
+                LOG_INFO("Range Test Module - Clearing out previous test file");
+                rangeTestModuleRadio->removeFile();
+            }
             if (moduleConfig.range_test.sender) {
                 LOG_INFO("Init Range Test Module -- Sender");
                 started = millis(); // make a note of when we started
@@ -141,7 +146,6 @@ ProcessMessage RangeTestModuleRadio::handleReceived(const meshtastic_MeshPacket
         */
 
         if (!isFromUs(&mp)) {
-
             if (moduleConfig.range_test.save) {
                 appendFile(mp);
             }
@@ -295,7 +299,42 @@ bool RangeTestModuleRadio::appendFile(const meshtastic_MeshPacket &mp)
     fileToAppend.printf("\"%s\"\n", p.payload.bytes);
     fileToAppend.flush();
     fileToAppend.close();
-#endif
 
     return 1;
+
+#else
+    LOG_ERROR("Failed to store range test results - feature only available for ESP32");
+
+    return 0;
+#endif
+}
+
+bool RangeTestModuleRadio::removeFile()
+{
+#ifdef ARCH_ESP32
+    if (!FSBegin()) {
+        LOG_DEBUG("An Error has occurred while mounting the filesystem");
+        return 0;
+    }
+
+    if (!FSCom.exists("/static/rangetest.csv")) {
+        LOG_DEBUG("No range tests found.");
+        return 0;
+    }
+
+    LOG_INFO("Deleting previous range test.");
+    bool result = FSCom.remove("/static/rangetest.csv");
+
+    if (!result) {
+        LOG_ERROR("Failed to delete range test.");
+        return 0;
+    }
+    LOG_INFO("Range test removed.");
+
+    return 1;
+#else
+    LOG_ERROR("Failed to remove range test results - feature only available for ESP32");
+
+    return 0;
+#endif
 }
\ No newline at end of file
diff --git a/src/modules/RangeTestModule.h b/src/modules/RangeTestModule.h
index b632d343e..0512e70a8 100644
--- a/src/modules/RangeTestModule.h
+++ b/src/modules/RangeTestModule.h
@@ -44,6 +44,11 @@ class RangeTestModuleRadio : public SinglePortModule
      */
     bool appendFile(const meshtastic_MeshPacket &mp);
 
+    /**
+     * Cleanup range test data from filesystem
+     */
+    bool removeFile();
+
   protected:
     /** Called to handle a particular incoming message
 
diff --git a/src/nimble/NimbleBluetooth.cpp b/src/nimble/NimbleBluetooth.cpp
index 0c4e30785..5524765f3 100644
--- a/src/nimble/NimbleBluetooth.cpp
+++ b/src/nimble/NimbleBluetooth.cpp
@@ -53,7 +53,8 @@ class BluetoothPhoneAPI : public PhoneAPI, public concurrency::OSThread
             hasChecked = true;
         }
 
-        return 100;
+        // the run is triggered via NimbleBluetoothToRadioCallback and NimbleBluetoothFromRadioCallback
+        return INT32_MAX;
     }
     /**
      * Subclasses can use this as a hook to provide custom notifications for their transport (i.e. bluetooth notifies)
diff --git a/src/platform/portduino/PortduinoGlue.h b/src/platform/portduino/PortduinoGlue.h
index 106900c48..ec6209487 100644
--- a/src/platform/portduino/PortduinoGlue.h
+++ b/src/platform/portduino/PortduinoGlue.h
@@ -224,7 +224,7 @@ extern struct portduino_config_struct {
             out << YAML::Key << "RF95_MAX_POWER" << YAML::Value << rf95_max_power;
         out << YAML::Key << "DIO2_AS_RF_SWITCH" << YAML::Value << dio2_as_rf_switch;
         if (dio3_tcxo_voltage != 0)
-            out << YAML::Key << "DIO3_TCXO_VOLTAGE" << YAML::Value << dio3_tcxo_voltage;
+            out << YAML::Key << "DIO3_TCXO_VOLTAGE" << YAML::Value << YAML::Precision(3) << (float)dio3_tcxo_voltage / 1000;
         if (lora_usb_pid != 0x5512)
             out << YAML::Key << "USB_PID" << YAML::Value << YAML::Hex << lora_usb_pid;
         if (lora_usb_vid != 0x1A86)
diff --git a/variants/esp32s3/heltec_v4/platformio.ini b/variants/esp32s3/heltec_v4/platformio.ini
index 1a448bc99..d0a250ad3 100644
--- a/variants/esp32s3/heltec_v4/platformio.ini
+++ b/variants/esp32s3/heltec_v4/platformio.ini
@@ -8,4 +8,3 @@ build_flags =
   -D HELTEC_V4
   -I variants/esp32s3/heltec_v4
   -D GPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.
-  -D SX126X_MAX_POWER=11