diff --git a/avogadro/qtplugins/CMakeLists.txt b/avogadro/qtplugins/CMakeLists.txt
index 4c158737f2..948a82dac6 100644
--- a/avogadro/qtplugins/CMakeLists.txt
+++ b/avogadro/qtplugins/CMakeLists.txt
@@ -110,7 +110,7 @@ add_subdirectory(copypaste)
 add_subdirectory(cp2kinput)
 add_subdirectory(crystal)
 add_subdirectory(customelements)
-# add_subdirectory(dipole)
+add_subdirectory(dipole)
 add_subdirectory(editor)
 add_subdirectory(fetchpdb)
 add_subdirectory(focus)
@@ -131,9 +131,17 @@ add_subdirectory(networkdatabases)
 add_subdirectory(openbabel)
 add_subdirectory(openmminput)
 add_subdirectory(playertool)
+if(USE_LIBARCHIVE)
+  add_subdirectory(plugindownloader)
+endif()
 add_subdirectory(ply)
 add_subdirectory(povray)
 add_subdirectory(propertytables)
+if(BUILD_GPL_PLUGINS AND QT_VERSION EQUAL 5)
+  # todo - update for Qt6
+  # qtaimcurvature.h/cpp contains GPL licensed code:
+  add_subdirectory(qtaim)
+endif()
 add_subdirectory(resetview)
 add_subdirectory(select)
 add_subdirectory(selectiontool)
@@ -142,6 +150,9 @@ if(USE_SPGLIB)
 endif()
 add_subdirectory(surfaces)
 add_subdirectory(svg)
+if(USE_LIBMSYM)
+  add_subdirectory(symmetry)
+endif()
 add_subdirectory(templatetool)
 add_subdirectory(vibrations)
 add_subdirectory(vrml)
@@ -164,14 +175,6 @@ add_subdirectory(quantuminput)
 add_subdirectory(scriptcharges)
 add_subdirectory(scriptfileformats)
 
-if(USE_LIBARCHIVE)
-  add_subdirectory(plugindownloader)
-endif()
-
-if(USE_LIBMSYM AND QT_VERSION EQUAL 5)
-  # QStyleOptionViewItemV4 is not in Qt6, needs investigation
-  add_subdirectory(symmetry)
-endif()
 
 # The scene plugins
 add_subdirectory(ballandstick)
@@ -187,12 +190,6 @@ if (USE_OPENGL)
   add_subdirectory(overlayaxes)
 endif()
 
-# other optional plugins
-if(BUILD_GPL_PLUGINS AND QT_VERSION EQUAL 5)
-  # qtaimcurvature.h/cpp contains GPL licensed code:
-  add_subdirectory(qtaim)
-endif()
-
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${original_library_output_dir}")
 
 # Add all of the static plugins to the initialization file.
diff --git a/avogadro/qtplugins/symmetry/symmetryscene.cpp b/avogadro/qtplugins/symmetry/symmetryscene.cpp
index 8634d5e6dd..b8d9948de4 100644
--- a/avogadro/qtplugins/symmetry/symmetryscene.cpp
+++ b/avogadro/qtplugins/symmetry/symmetryscene.cpp
@@ -19,6 +19,7 @@
 #include <avogadro/rendering/spheregeometry.h>
 
 #include <QtCore/QDebug>
+#include <QtCore/QVariant>
 
 #include <QVector3D>
 
@@ -36,7 +37,8 @@ using Rendering::SphereGeometry;
 
 SymmetryScene::SymmetryScene(QObject* p)
   : QtGui::ScenePlugin(p), m_enabled(true)
-{}
+{
+}
 
 SymmetryScene::~SymmetryScene() {}
 
@@ -145,4 +147,4 @@ void SymmetryScene::setEnabled(bool enable)
 {
   m_enabled = enable;
 }
-} // namespace Avogadro
+} // namespace Avogadro::QtPlugins
diff --git a/avogadro/qtplugins/symmetry/symmetryutil.cpp b/avogadro/qtplugins/symmetry/symmetryutil.cpp
index 7d3c698c95..ecbf90053d 100644
--- a/avogadro/qtplugins/symmetry/symmetryutil.cpp
+++ b/avogadro/qtplugins/symmetry/symmetryutil.cpp
@@ -33,7 +33,7 @@ QString pointGroupSymbol(const char* point_group)
 
   // check if we need an infinity symbol
   if (pointGroup[1] == '0')
-    pointGroup = pointGroup.replace(1, 1, QObject::trUtf8("\u221e"));
+    pointGroup = pointGroup.replace(1, 1, "\u221e");
 
   // After first character, point group should subscript everything
   pointGroup.insert(1, "<sub>");
@@ -70,4 +70,4 @@ QString operationSymbol(const msym::msym_symmetry_operation_t* operation)
 
   return symbol;
 }
-} // namespace Avogadro
+} // namespace Avogadro::QtPlugins::SymmetryUtil