diff --git a/.gitmodules b/.gitmodules
index 9fb458a34..d1afc51aa 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,8 @@
 [submodule "assetnameparser/tinyxml2"]
 	path = assetnameparser/tinyxml2
 	url = ../tinyxml2.git
+[submodule "hecl-gui"]
+	
+	path = hecl-gui
+	
+	url = ../hecl-gui
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c3573bbf6..20dfaa54a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -139,6 +139,20 @@ add_subdirectory(mpcksum)
 add_subdirectory(gbalink)
 add_subdirectory(visigen)
 
+# Test for supported Qt version
+find_program(QMAKE_EXECUTABLE NAMES qmake HINTS ${QTDIR} ENV QTDIR PATH_SUFFIXES bin)
+if (QMAKE_EXECUTABLE)
+    set(QT_MINIMUM_VERSION 5.3.0)
+    execute_process(COMMAND ${QMAKE_EXECUTABLE} -query QT_VERSION OUTPUT_VARIABLE QT_VERSION)
+    if(QT_VERSION LESS QT_MINIMUM_VERSION)
+        message("Qt version ${QT_VERSION} does not meet the minimum ${QT_MINIMUM_VERSION} requirement, hecl-gui will not be built")
+    else()
+        message("hecl-gui will be built with Qt verion ${QT_VERSION}")
+        add_subdirectory(hecl-gui)
+    endif()
+else()
+    message("Qt not found, hecl-gui will not be built")
+endif()
 unset(GIT_EXECUTABLE CACHE)
 find_package(Git)
 if(GIT_FOUND)
diff --git a/Editor/platforms/win/Assets/SplashScreen.scale-100.png b/Editor/platforms/win/Assets/SplashScreen.scale-100.png
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diff --git a/Editor/platforms/win/Assets/Square150x150Logo.scale-100.png b/Editor/platforms/win/Assets/Square150x150Logo.scale-100.png
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diff --git a/Editor/platforms/win/Assets/Square310x310Logo.scale-100.png b/Editor/platforms/win/Assets/Square310x310Logo.scale-100.png
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diff --git a/hecl-gui b/hecl-gui
new file mode 160000
index 000000000..2113bed95
--- /dev/null
+++ b/hecl-gui
@@ -0,0 +1 @@
+Subproject commit 2113bed95f80fea497e56deec12ea5364b858a3f