diff --git a/Source/Fractorium/Fractorium.cpp b/Source/Fractorium/Fractorium.cpp
index a3646c1..02a794f 100644
--- a/Source/Fractorium/Fractorium.cpp
+++ b/Source/Fractorium/Fractorium.cpp
@@ -47,10 +47,6 @@ Fractorium::Fractorium(QWidget* p)
 	m_VarSortMode = 1;//Sort by weight by default.
 	m_PaletteSortMode = 0;//Sort by palette ascending by default.
 	m_ColorDialog = new QColorDialog(this);
-#ifdef __APPLE__
-	//Fixes crashing problem when closing Fractorium in Mac OS 10.12 Sierra.
-	m_ColorDialog->setOption(QColorDialog::NoButtons);
-#endif
 	m_Settings = FractoriumSettings::Instance();
 	m_QssDialog = new QssDialog(this);
 	m_FinalRenderDialog = new FractoriumFinalRenderDialog(this);
diff --git a/Source/Fractorium/GLWidget.cpp b/Source/Fractorium/GLWidget.cpp
index 779810f..c1ad13c 100644
--- a/Source/Fractorium/GLWidget.cpp
+++ b/Source/Fractorium/GLWidget.cpp
@@ -255,7 +255,7 @@ void GLWidget::paintGL()
 		glEnable(GL_LINE_SMOOTH);
 		glEnable(GL_POINT_SMOOTH);
 #if defined (__APPLE__) || defined(MACOSX)
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+		glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_COLOR);
 #else
 		glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
 #endif
@@ -793,7 +793,7 @@ bool GLWidget::Allocate(bool force)
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
 #if defined (__APPLE__) || defined(MACOSX)
-		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, m_TexWidth, m_TexHeight, 0, GL_RGB, GL_FLOAT, nullptr);
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB32F, m_TexWidth, m_TexHeight, 0, GL_RGB, GL_FLOAT, nullptr);
 #else
 		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, m_TexWidth, m_TexHeight, 0, GL_RGBA, GL_FLOAT, nullptr);
 #endif
diff --git a/archive/build.sh b/archive/build.sh
index ff5050b..4c6bbab 100644
--- a/archive/build.sh
+++ b/archive/build.sh
@@ -2,8 +2,8 @@
 
 OSX_BUILD_PATH=$PWD
 FRACTORIUM_RELEASE_ROOT=$PWD/../Bin/release
-# replace 5.4 by your QT version, and check if the instation path is the same
-QT_MACDEPLOY=~/Qt/5.4/clang_64/bin/macdeployqt
+# replace 5.9 by your QT version, and check if the instation path is the same
+QT_MACDEPLOY=~/Qt/5.9.3/clang_64/bin/macdeployqt
 
 cd $FRACTORIUM_RELEASE_ROOT
 
@@ -11,6 +11,7 @@ EMBERANIMATE_FINAL_ROOT=$PWD/emberanimate.app/Contents/MacOS
 EMBERGENOME_FINAL_ROOT=$PWD/embergenome.app/Contents/MacOS
 EMBERRENDER_FINAL_ROOT=$PWD/emberrender.app/Contents/MacOS
 FRACTORIUM_FINAL_ROOT=$PWD/fractorium.app/Contents/MacOS
+FRACTORIUM_FINAL_FRAMEWORKS=$PWD/fractorium.app/Contents/Frameworks
 
 install_name_tool -id $PWD/libember.dylib libember.dylib
 install_name_tool -id $PWD/libembercl.dylib libembercl.dylib
@@ -37,6 +38,12 @@ cp ./emberanimate.app/Contents/MacOS/emberanimate $FRACTORIUM_FINAL_ROOT
 cp ./embergenome.app/Contents/MacOS/embergenome $FRACTORIUM_FINAL_ROOT
 cp ./emberrender.app/Contents/MacOS/emberrender $FRACTORIUM_FINAL_ROOT
 
+#solving macdeployqt 5.9.3 bug (wasn't necessary when using 5.4.2)
+cd $FRACTORIUM_FINAL_FRAMEWORKS
+install_name_tool -change /usr/local/Cellar/ilmbase/2.2.0/lib/libIex-2_2.12.dylib @executable_path/../Frameworks/libIex-2_2.12.dylib libIexMath-2_2.12.dylib
+install_name_tool -change /usr/local/Cellar/ilmbase/2.2.0/lib/libIex-2_2.12.dylib @executable_path/../Frameworks/libIex-2_2.12.dylib libIlmThread-2_2.12.dylib
+install_name_tool -change /usr/local/Cellar/ilmbase/2.2.0/lib/libIex-2_2.12.dylib @executable_path/../Frameworks/libIex-2_2.12.dylib libImath-2_2.12.dylib
+
 cd $OSX_BUILD_PATH
 
 cd ../Data