diff --git a/protobufs b/protobufs
index 2fa7d6a4b7..071fd931ec 160000
--- a/protobufs
+++ b/protobufs
@@ -1 +1 @@
-Subproject commit 2fa7d6a4b702fcd58b54b0d1d6e4b3b85164f649
+Subproject commit 071fd931ec6679bb21427c872f9839edea63e351
diff --git a/src/gps/GPS.cpp b/src/gps/GPS.cpp
index 82370937bb..0164b554d8 100644
--- a/src/gps/GPS.cpp
+++ b/src/gps/GPS.cpp
@@ -1220,6 +1220,14 @@ GnssModel_t GPS::probe(int serialSpeed)
         return GNSS_MODEL_UC6580;
     }
 
+    clearBuffer();
+    _serial_gps->write("$PDTINFO\r\n");
+    delay(750);
+    if (getACK("UM600", 500) == GNSS_RESPONSE_OK) {
+        LOG_INFO("UM600 detected, using UC6580 Module\n");
+        return GNSS_MODEL_UC6580;
+    }
+
     // Get version information for ATGM336H
     clearBuffer();
     _serial_gps->write("$PCAS06,1*1A\r\n");
@@ -1822,4 +1830,4 @@ void GPS::toggleGpsMode()
         enable();
     }
 }
-#endif // Exclude GPS
+#endif // Exclude GPS
\ No newline at end of file
diff --git a/src/gps/GPS.h b/src/gps/GPS.h
index 1c0977bddd..96171cba52 100644
--- a/src/gps/GPS.h
+++ b/src/gps/GPS.h
@@ -51,7 +51,7 @@ enum GPSPowerState : uint8_t {
 const char *getDOPString(uint32_t dop);
 
 /**
- * A gps class that only reads from the GPS periodically (and FIXME - eventually keeps the gps powered down except when reading)
+ * A gps class that only reads from the GPS periodically and keeps the gps powered down except when reading
  *
  * When new data is available it will notify observers.
  */
diff --git a/src/main.h b/src/main.h
index ea2d80f94a..52a3fff1f8 100644
--- a/src/main.h
+++ b/src/main.h
@@ -65,12 +65,6 @@ extern bool isVibrating;
 
 extern int TCPPort; // set by Portduino
 
-// extern Observable<meshtastic::PowerStatus> newPowerStatus; //TODO: move this to main-esp32.cpp somehow or a helper class
-
-// extern meshtastic::PowerStatus *powerStatus;
-// extern meshtastic::GPSStatus *gpsStatus;
-// extern meshtastic::NodeStatusHandler *nodeStatusHandler;
-
 // Return a human readable string of the form "Meshtastic_ab13"
 const char *getDeviceName();
 
@@ -91,5 +85,5 @@ void nrf52Setup(), esp32Setup(), nrf52Loop(), esp32Loop(), rp2040Setup(), clearB
 
 meshtastic_DeviceMetadata getDeviceMetadata();
 
-// FIXME, we default to 4MHz SPI, SPI mode 0, check if the datasheet says it can really do that
-extern SPISettings spiSettings;
\ No newline at end of file
+// We default to 4MHz SPI, SPI mode 0
+extern SPISettings spiSettings;
diff --git a/src/mesh/generated/meshtastic/mesh.pb.h b/src/mesh/generated/meshtastic/mesh.pb.h
index 59664b792f..1bea952cea 100644
--- a/src/mesh/generated/meshtastic/mesh.pb.h
+++ b/src/mesh/generated/meshtastic/mesh.pb.h
@@ -180,6 +180,10 @@ typedef enum _meshtastic_HardwareModel {
     meshtastic_HardwareModel_SENSECAP_INDICATOR = 70,
     /* Seeed studio T1000-E tracker card. NRF52840 w/ LR1110 radio, GPS, button, buzzer, and sensors. */
     meshtastic_HardwareModel_TRACKER_T1000_E = 71,
+    /* RAK3172 STM32WLE5 Module (https://store.rakwireless.com/products/wisduo-lpwan-module-rak3172) */
+    meshtastic_HardwareModel_RAK3172 = 72,
+    /* Seeed Studio Wio-E5 (either mini or Dev kit) using STM32WL chip. */
+    meshtastic_HardwareModel_WIO_E5 = 73,
     /* ------------------------------------------------------------------------------------------------------------------------------------------
  Reserved ID For developing private Ports. These will show up in live traffic sparsely, so we can use a high number. Keep it within 8 bits.
  ------------------------------------------------------------------------------------------------------------------------------------------ */
diff --git a/src/mesh/generated/meshtastic/telemetry.pb.h b/src/mesh/generated/meshtastic/telemetry.pb.h
index 82cd0a55d9..a4acd3f4a4 100644
--- a/src/mesh/generated/meshtastic/telemetry.pb.h
+++ b/src/mesh/generated/meshtastic/telemetry.pb.h
@@ -63,7 +63,13 @@ typedef enum _meshtastic_TelemetrySensorType {
     /* DFRobot Lark Weather station (temperature, humidity, pressure, wind speed and direction) */
     meshtastic_TelemetrySensorType_DFROBOT_LARK = 24,
     /* NAU7802 Scale Chip or compatible */
-    meshtastic_TelemetrySensorType_NAU7802 = 25
+    meshtastic_TelemetrySensorType_NAU7802 = 25,
+    /* BMP3XX High accuracy temperature and pressure */
+    meshtastic_TelemetrySensorType_BMP3XX = 26,
+    /* ICM-20948 9-Axis digital motion processor */
+    meshtastic_TelemetrySensorType_ICM20948 = 27,
+    /* MAX17048 1S lipo battery sensor (voltage, state of charge, time to go) */
+    meshtastic_TelemetrySensorType_MAX17048 = 28
 } meshtastic_TelemetrySensorType;
 
 /* Struct definitions */
@@ -197,8 +203,8 @@ extern "C" {
 
 /* Helper constants for enums */
 #define _meshtastic_TelemetrySensorType_MIN meshtastic_TelemetrySensorType_SENSOR_UNSET
-#define _meshtastic_TelemetrySensorType_MAX meshtastic_TelemetrySensorType_NAU7802
-#define _meshtastic_TelemetrySensorType_ARRAYSIZE ((meshtastic_TelemetrySensorType)(meshtastic_TelemetrySensorType_NAU7802+1))
+#define _meshtastic_TelemetrySensorType_MAX meshtastic_TelemetrySensorType_MAX17048
+#define _meshtastic_TelemetrySensorType_ARRAYSIZE ((meshtastic_TelemetrySensorType)(meshtastic_TelemetrySensorType_MAX17048+1))
 
 
 
diff --git a/src/platform/esp32/SimpleAllocator.cpp b/src/platform/esp32/SimpleAllocator.cpp
index 63f3b02de0..04ce35eb32 100644
--- a/src/platform/esp32/SimpleAllocator.cpp
+++ b/src/platform/esp32/SimpleAllocator.cpp
@@ -26,41 +26,3 @@ void *operator new(size_t size, SimpleAllocator &p)
 {
     return p.alloc(size);
 }
-
-#if 0 
-// This was a dumb idea, turn off for now
-
-SimpleAllocator *activeAllocator;
-
-AllocatorScope::AllocatorScope(SimpleAllocator &a)
-{
-    assert(!activeAllocator);
-    activeAllocator = &a;
-}
-
-AllocatorScope::~AllocatorScope()
-{
-    assert(activeAllocator);
-    activeAllocator = NULL;
-}
-
-/// Global new/delete, uses a simple allocator if it is in scope
-
-void *operator new(size_t sz) throw(std::bad_alloc)
-{
-    void *mem = activeAllocator ? activeAllocator->alloc(sz) : malloc(sz);
-    if (mem)
-        return mem;
-    else
-        throw std::bad_alloc();
-}
-
-void operator delete(void *ptr) throw()
-{
-    if (activeAllocator)
-        LOG_WARN("Leaking an active allocator object\n"); // We don't properly handle this yet
-    else
-        free(ptr);
-}
-
-#endif
\ No newline at end of file