diff -wbBur swift-4.0.2/Swift/QtUI/UserSearch/QtUserSearchWindow.h swift-4.0.2.my/Swift/QtUI/UserSearch/QtUserSearchWindow.h
--- swift-4.0.2/Swift/QtUI/UserSearch/QtUserSearchWindow.h	2018-04-06 13:06:46.000000000 +0300
+++ swift-4.0.2.my/Swift/QtUI/UserSearch/QtUserSearchWindow.h	2019-10-08 20:52:23.171475337 +0300
@@ -9,6 +9,7 @@
 #include <set>
 
 #include <QWizard>
+#include <QAbstractItemModel>
 
 #include <Swiften/Base/Override.h>
 
diff -wbBur swift-4.0.2/Swiften/Network/PlatformNATTraversalWorker.cpp swift-4.0.2.my/Swiften/Network/PlatformNATTraversalWorker.cpp
--- swift-4.0.2/Swiften/Network/PlatformNATTraversalWorker.cpp	2018-04-06 13:06:46.000000000 +0300
+++ swift-4.0.2.my/Swiften/Network/PlatformNATTraversalWorker.cpp	2019-10-08 21:12:25.284754131 +0300
@@ -157,7 +157,7 @@
         miniUPnPInterface = new MiniUPnPInterface();
         miniUPnPSupported = miniUPnPInterface->isAvailable();
     }
-    SWIFT_LOG(debug) << "UPnP NAT traversal supported: " << miniUPnPSupported << std::endl;
+//    SWIFT_LOG(debug) << "UPnP NAT traversal supported: " << miniUPnPSupported << std::endl;
     if (miniUPnPSupported) {
         return miniUPnPInterface;
     }
@@ -168,7 +168,7 @@
         natPMPInterface = new NATPMPInterface();
         natPMPSupported = natPMPInterface->isAvailable();
     }
-    SWIFT_LOG(debug) << "NAT-PMP NAT traversal supported: " << natPMPSupported << std::endl;
+//    SWIFT_LOG(debug) << "NAT-PMP NAT traversal supported: " << natPMPSupported << std::endl;
     if (natPMPSupported) {
         return natPMPInterface;
     }