diff --git a/QGCCommon.pri b/QGCCommon.pri
index f26540dd1752634c2cbe3f008bb88af726ac556c..93fa7368d4e9cb4fd52c89cd8608fda5aa565b6b 100644
--- a/QGCCommon.pri
+++ b/QGCCommon.pri
@@ -68,6 +68,8 @@ linux {
         #-- Not forcing anything. Let qmake find the latest, installed SDK.
         #QMAKE_MAC_SDK = macosx10.12
         QMAKE_CXXFLAGS += -fvisibility=hidden
+        #-- Disable annoying warnings comming from mavlink.h
+        QMAKE_CXXFLAGS += -Wno-address-of-packed-member
     } else {
         error("Unsupported Mac toolchain, only 64-bit LLVM+clang is supported")
     }
diff --git a/libs/airmapd/include/airmap/traffic.h b/libs/airmapd/include/airmap/traffic.h
index 0a043aee4de3bd4055672af1085dcbb795dd8e97..5d80f73a75641e02c110748a2b85f5dfcc23ca1e 100644
--- a/libs/airmapd/include/airmap/traffic.h
+++ b/libs/airmapd/include/airmap/traffic.h
@@ -60,6 +60,7 @@ class Traffic : DoNotCopyOrMove {
     /// Subscriber abstracts handling of batches of Update instances.
     class Subscriber {
      public:
+     virtual ~Subscriber() = default;
       /// handle_update is invoked when a new batch of Update instances
       /// is available.
       virtual void handle_update(Update::Type type, const std::vector<Update>& update) = 0;
diff --git a/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml b/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
index 8599b26a3d7baca3fdf77653d545aefac7d16ad3..ee06f1e3e54bed9434ed104dab11626b83087b1d 100644
--- a/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
+++ b/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
@@ -8364,6 +8364,21 @@ is less than 50% of this value</short_desc>
         <value code="202">GPS 2</value>
       </values>
     </parameter>
+    <parameter default="0" name="SENS_ULAND_CFG" type="INT32">
+      <short_desc>Serial Configuration for uLanding Radar</short_desc>
+      <long_desc>Configure on which serial port to run uLanding Radar.</long_desc>
+      <reboot_required>true</reboot_required>
+      <values>
+        <value code="0">Disabled</value>
+        <value code="6">UART 6</value>
+        <value code="101">TELEM 1</value>
+        <value code="102">TELEM 2</value>
+        <value code="103">TELEM 3</value>
+        <value code="104">TELEM/SERIAL 4</value>
+        <value code="201">GPS 1</value>
+        <value code="202">GPS 2</value>
+      </values>
+    </parameter>
   </group>
   <group name="Serial">
     <parameter default="0" name="SER_GPS1_BAUD" type="INT32">