diff --git a/meshtastic/admin.proto b/meshtastic/admin.proto
index 5ecf310..ac29cc8 100644
--- a/meshtastic/admin.proto
+++ b/meshtastic/admin.proto
@@ -666,6 +666,11 @@ message SensorConfig {
    * SCD30 CO2 Sensor configuration
    */
   SCD30_config scd30_config = 3;
+
+  /*
+   * SHTXX temperature and relative humidity sensor configuration
+   */
+  SHTXX_config shtxx_config = 4;
 }
 
 message SCD4X_config {
@@ -748,3 +753,10 @@ message SCD30_config {
    */
   optional bool soft_reset = 6;
 }
+
+message SHTXX_config {
+  /*
+   * Accuracy mode (0 = low, 1 = medium, 2 = high)
+   */
+  optional uint32 set_accuracy = 1;
+}
diff --git a/meshtastic/mesh.proto b/meshtastic/mesh.proto
index d7f6647..44888e9 100644
--- a/meshtastic/mesh.proto
+++ b/meshtastic/mesh.proto
@@ -865,6 +865,11 @@ enum HardwareModel {
    */
   MINI_EPAPER_S3 = 125;
 
+  /*
+   * LilyGo T-Display S3 Pro LR1121
+   */
+  TDISPLAY_S3_PRO = 126;
+
   /*
    * ------------------------------------------------------------------------------------------------------------------------------------------
    * 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/meshtastic/portnums.proto b/meshtastic/portnums.proto
index 07c8051..f4d22e2 100644
--- a/meshtastic/portnums.proto
+++ b/meshtastic/portnums.proto
@@ -246,6 +246,13 @@ enum PortNum {
    */
   CAYENNE_APP = 77;
 
+  /*
+   * GroupAlarm integration
+   * Used for transporting GroupAlarm-related messages between Meshtastic nodes
+   * and companion applications/services.
+   */
+  GROUPALARM_APP = 112;
+
   /*
    * Private applications should use portnums >= 256.
    * To simplify initial development and testing you can use "PRIVATE_APP"
diff --git a/meshtastic/telemetry.proto b/meshtastic/telemetry.proto
index 8889718..bd27a7b 100644
--- a/meshtastic/telemetry.proto
+++ b/meshtastic/telemetry.proto
@@ -653,7 +653,7 @@ enum TelemetrySensorType {
   BMP280 = 6;
 
   /*
-   * High accuracy temperature and humidity
+   * TODO - REMOVE High accuracy temperature and humidity
    */
   SHTC3 = 7;
 
@@ -678,7 +678,7 @@ enum TelemetrySensorType {
   QMC5883L = 11;
 
   /*
-   * High accuracy temperature and humidity
+   * TODO - REMOVE High accuracy temperature and humidity
    */
   SHT31 = 12;
 
@@ -703,7 +703,7 @@ enum TelemetrySensorType {
   RCWL9620 = 16;
 
   /*
-   * Sensirion High accuracy temperature and humidity
+   * TODO - REMOVE Sensirion High accuracy temperature and humidity
    */
   SHT4X = 17;
 
@@ -853,7 +853,7 @@ enum TelemetrySensorType {
   HDC1080 = 46;
 
   /*
-   * STH21 Temperature and R. Humidity sensor
+   * TODO - REMOVE STH21 Temperature and R. Humidity sensor
    */
   SHT21 = 47;
 
@@ -866,6 +866,11 @@ enum TelemetrySensorType {
    * SCD30 CO2, humidity, temperature sensor
    */
   SCD30 = 49;
+
+  /*
+   * SHT family of sensors for temperature and humidity
+   */
+  SHTXX = 50;
 }
 
 /*