diff --git a/examples/GUI/WidgetsDemo.h b/examples/GUI/WidgetsDemo.h
index cd10969ad5..8a64df2b07 100644
--- a/examples/GUI/WidgetsDemo.h
+++ b/examples/GUI/WidgetsDemo.h
@@ -690,7 +690,7 @@ struct MenuPage final : public Component
     {
         void drawPopupMenuColumnSeparatorWithOptions (Graphics& g,
                                                       const Rectangle<int>& bounds,
-                                                      const PopupMenu::Options& opt)
+                                                      const PopupMenu::Options& opt) override
         {
             if (auto* target = opt.getTargetComponent())
             {
@@ -708,7 +708,7 @@ struct MenuPage final : public Component
             }
         }
 
-        void drawPopupMenuBackgroundWithOptions (Graphics& g, int, int, const PopupMenu::Options& opt)
+        void drawPopupMenuBackgroundWithOptions (Graphics& g, int, int, const PopupMenu::Options& opt) override
         {
             if (auto* target = opt.getTargetComponent())
             {
@@ -717,7 +717,7 @@ struct MenuPage final : public Component
         }
 
         // Return the amount of space that should be left between popup menu columns.
-        int getPopupMenuColumnSeparatorWidthWithOptions (const PopupMenu::Options&)
+        int getPopupMenuColumnSeparatorWidthWithOptions (const PopupMenu::Options&) override
         {
             return 10;
         }
diff --git a/examples/GUI/WindowsDemo.h b/examples/GUI/WindowsDemo.h
index 9838210569..f0dea3d7f0 100644
--- a/examples/GUI/WindowsDemo.h
+++ b/examples/GUI/WindowsDemo.h
@@ -57,7 +57,7 @@ public:
         : DocumentWindow (name, backgroundColour, buttonsNeeded)
     {}
 
-    void closeButtonPressed()
+    void closeButtonPressed() override
     {
         delete this;
     }
@@ -81,12 +81,12 @@ public:
         setContentOwned (&selector, false);
     }
 
-    ~ColourSelectorWindow()
+    ~ColourSelectorWindow() override
     {
         selector.removeChangeListener (this);
     }
 
-    void closeButtonPressed()
+    void closeButtonPressed() override
     {
         delete this;
     }
@@ -96,7 +96,7 @@ private:
                              | ColourSelector::showSliders
                              | ColourSelector::showColourspace };
 
-    void changeListenerCallback (ChangeBroadcaster* source)
+    void changeListenerCallback (ChangeBroadcaster* source) override
     {
         if (source == &selector)
             setBackgroundColour (selector.getCurrentColour());
diff --git a/examples/Utilities/Box2DDemo.h b/examples/Utilities/Box2DDemo.h
index 019a469a8e..90582a1e07 100644
--- a/examples/Utilities/Box2DDemo.h
+++ b/examples/Utilities/Box2DDemo.h
@@ -79,8 +79,8 @@ struct Settings
 
 struct Test
 {
-    Test()          {}
-    virtual ~Test() {}
+    Test()          = default;
+    virtual ~Test() = default;
 
     virtual void Keyboard (unsigned char /*key*/)   {}
     virtual void KeyboardUp (unsigned char /*key*/) {}
@@ -88,7 +88,7 @@ struct Test
     std::unique_ptr<b2World> m_world  { new b2World (b2Vec2 (0.0f, -10.0f)) };
 };
 
-JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wimplicit-int-float-conversion")
+JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wimplicit-int-float-conversion", "-Wsuggest-override")
 
 #include "../Assets/Box2DTests/AddPair.h"
 #include "../Assets/Box2DTests/ApplyForce.h"
diff --git a/extras/AudioPluginHost/Source/UI/GraphEditorPanel.cpp b/extras/AudioPluginHost/Source/UI/GraphEditorPanel.cpp
index 8b59d4bb71..bb45ac4b82 100644
--- a/extras/AudioPluginHost/Source/UI/GraphEditorPanel.cpp
+++ b/extras/AudioPluginHost/Source/UI/GraphEditorPanel.cpp
@@ -74,7 +74,7 @@
      {
          ScanJob (AUScanner& s)  : ThreadPoolJob ("pluginscan"), scanner (s) {}
 
-         JobStatus runJob()
+         JobStatus runJob() override
          {
              while (scanner.doNextScan() && ! shouldExit())
              {}
diff --git a/extras/Projucer/Source/Application/Windows/jucer_PIPCreatorWindowComponent.h b/extras/Projucer/Source/Application/Windows/jucer_PIPCreatorWindowComponent.h
index 6402609d90..528aacfa69 100644
--- a/extras/Projucer/Source/Application/Windows/jucer_PIPCreatorWindowComponent.h
+++ b/extras/Projucer/Source/Application/Windows/jucer_PIPCreatorWindowComponent.h
@@ -113,7 +113,7 @@ private:
     {
         PIPCreatorLookAndFeel()    {}
 
-        Rectangle<int> getPropertyComponentContentPosition (PropertyComponent& component)
+        Rectangle<int> getPropertyComponentContentPosition (PropertyComponent& component) override
         {
             auto textW = jmin (200, component.getWidth() / 3);
             return { textW, 0, component.getWidth() - textW, component.getHeight() - 1 };
diff --git a/extras/Projucer/Source/CodeEditor/jucer_OpenDocumentManager.h b/extras/Projucer/Source/CodeEditor/jucer_OpenDocumentManager.h
index e7c3ba4b84..60ccf27784 100644
--- a/extras/Projucer/Source/CodeEditor/jucer_OpenDocumentManager.h
+++ b/extras/Projucer/Source/CodeEditor/jucer_OpenDocumentManager.h
@@ -138,7 +138,7 @@ class RecentDocumentList final : private OpenDocumentManager::DocumentCloseListe
 {
 public:
     RecentDocumentList();
-    ~RecentDocumentList();
+    ~RecentDocumentList() override;
 
     void clear();
 
@@ -160,7 +160,7 @@ public:
     std::unique_ptr<XmlElement> createXML() const;
 
 private:
-    bool documentAboutToClose (OpenDocumentManager::Document*);
+    bool documentAboutToClose (OpenDocumentManager::Document*) override;
 
     Array<OpenDocumentManager::Document*> previousDocs, nextDocs;
 };
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_ButtonHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_ButtonHandler.h
index d1643bffc1..7d7dea97fb 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_ButtonHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_ButtonHandler.h
@@ -204,7 +204,7 @@ private:
                 oldName = comp->getButtonText();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setButtonText (newName);
@@ -212,7 +212,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setButtonText (oldName);
@@ -232,13 +232,13 @@ private:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             document.perform (new ButtonCallbackChangeAction (component, *document.getComponentLayout(), newState),
                               "Change button callback");
         }
 
-        bool getState() const       { return needsButtonListener (component); }
+        bool getState() const override       { return needsButtonListener (component); }
 
     private:
         class ButtonCallbackChangeAction  : public ComponentUndoableAction <Button>
@@ -251,7 +251,7 @@ private:
                 oldState = needsButtonListener (comp);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 setNeedsButtonListener (getComponent(), newState);
@@ -259,7 +259,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 setNeedsButtonListener (getComponent(), oldState);
@@ -301,7 +301,7 @@ private:
                 oldId = comp->getRadioGroupId();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setRadioGroupId (newId);
@@ -309,7 +309,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setRadioGroupId (oldId);
@@ -331,13 +331,13 @@ private:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             document.perform (new ButtonConnectedChangeAction (component, *document.getComponentLayout(), flag, newState),
                               "Change button connected edges");
         }
 
-        bool getState() const
+        bool getState() const override
         {
             return (component->getConnectedEdgeFlags() & flag) != 0;
         }
@@ -356,7 +356,7 @@ private:
                 oldState = ((comp->getConnectedEdgeFlags() & flag) != 0);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
 
@@ -369,7 +369,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
 
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_ComboBoxHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_ComboBoxHandler.h
index 43a623d8db..facf2e68fb 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_ComboBoxHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_ComboBoxHandler.h
@@ -197,13 +197,13 @@ private:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             document.perform (new ComboEditableChangeAction (component, *document.getComponentLayout(), newState),
                               "Change combo box editability");
         }
 
-        bool getState() const
+        bool getState() const override
         {
             return component->isTextEditable();
         }
@@ -219,7 +219,7 @@ private:
                 oldState = comp->isTextEditable();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setEditableText (newState);
@@ -227,7 +227,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setEditableText (oldState);
@@ -250,13 +250,13 @@ private:
         {
         }
 
-        void setJustification (Justification newJustification)
+        void setJustification (Justification newJustification) override
         {
             document.perform (new ComboJustifyChangeAction (component, *document.getComponentLayout(), newJustification),
                               "Change combo box justification");
         }
 
-        Justification getJustification() const        { return component->getJustificationType(); }
+        Justification getJustification() const override        { return component->getJustificationType(); }
 
     private:
         ComboBox* const component;
@@ -272,7 +272,7 @@ private:
             {
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setJustificationType (newState);
@@ -280,7 +280,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setJustificationType (oldState);
@@ -322,7 +322,7 @@ private:
                 oldState = comp->getProperties() ["items"];
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->getProperties().set ("items", newState);
@@ -331,7 +331,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->getProperties().set ("items", oldState);
@@ -374,7 +374,7 @@ private:
                 oldState = comp->getTextWhenNothingSelected();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setTextWhenNothingSelected (newState);
@@ -382,7 +382,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setTextWhenNothingSelected (oldState);
@@ -424,7 +424,7 @@ private:
                 oldState = comp->getTextWhenNoChoicesAvailable();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setTextWhenNoChoicesAvailable (newState);
@@ -432,7 +432,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setTextWhenNoChoicesAvailable (oldState);
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentNameProperty.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentNameProperty.h
index b5f3d11282..ee8843fd7f 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentNameProperty.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentNameProperty.h
@@ -60,7 +60,7 @@ private:
         {
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
             getComponent()->setName (newName);
@@ -68,7 +68,7 @@ private:
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
             getComponent()->setName (oldName);
@@ -110,14 +110,14 @@ private:
         {
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
             layout.setComponentMemberVariableName (getComponent(), newName);
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
             layout.setComponentMemberVariableName (getComponent(), oldName);
@@ -159,14 +159,14 @@ private:
         {
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
             layout.setComponentVirtualClassName (getComponent(), newName);
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
             layout.setComponentVirtualClassName (getComponent(), oldName);
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentTypeHandler.cpp b/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentTypeHandler.cpp
index 443786349a..0e970462c7 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentTypeHandler.cpp
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentTypeHandler.cpp
@@ -300,7 +300,7 @@ private:
             oldValue = ttc->getTooltip();
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
 
@@ -314,7 +314,7 @@ private:
             return false;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
 
@@ -348,12 +348,12 @@ public:
         document.addChangeListener (this);
     }
 
-    ~ComponentPositionProperty()
+    ~ComponentPositionProperty() override
     {
         document.removeChangeListener (this);
     }
 
-    void setPosition (const RelativePositionedRectangle& newPos)
+    void setPosition (const RelativePositionedRectangle& newPos) override
     {
         auto* l = document.getComponentLayout();
 
@@ -363,7 +363,7 @@ public:
         l->setComponentPosition (component, newPos, true);
     }
 
-    RelativePositionedRectangle getPosition() const
+    RelativePositionedRectangle getPosition() const override
     {
         return ComponentTypeHandler::getComponentPosition (component);
     }
@@ -439,7 +439,7 @@ private:
             oldValue = comp->getExplicitFocusOrder();
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
             getComponent()->setExplicitFocusOrder (newValue);
@@ -447,7 +447,7 @@ private:
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
             getComponent()->setExplicitFocusOrder (oldValue);
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentUndoableAction.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentUndoableAction.h
index cc10a16620..b7415da73c 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentUndoableAction.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_ComponentUndoableAction.h
@@ -48,7 +48,7 @@ public:
         return c;
     }
 
-    int getSizeInUnits()    { return 2; }
+    int getSizeInUnits() override    { return 2; }
 
 protected:
     ComponentLayout& layout;
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_GenericComponentHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_GenericComponentHandler.h
index 1b89a4021c..bf8bf1b206 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_GenericComponentHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_GenericComponentHandler.h
@@ -169,7 +169,7 @@ private:
                 oldState = comp->actualClassName;
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setClassName (newState);
@@ -177,7 +177,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setClassName (oldState);
@@ -219,7 +219,7 @@ private:
                 oldState = comp->constructorParams;
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setParams (newState);
@@ -227,7 +227,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setParams (oldState);
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_GroupComponentHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_GroupComponentHandler.h
index c1d9642d9f..4a36191c45 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_GroupComponentHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_GroupComponentHandler.h
@@ -150,7 +150,7 @@ private:
                 oldName = comp->getText();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setText (newName);
@@ -158,7 +158,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setText (oldName);
@@ -215,7 +215,7 @@ private:
             {
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setTextLabelPosition (newState);
@@ -223,7 +223,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setTextLabelPosition (oldState);
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_HyperlinkButtonHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_HyperlinkButtonHandler.h
index bd028f7dc8..27566534b9 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_HyperlinkButtonHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_HyperlinkButtonHandler.h
@@ -127,7 +127,7 @@ private:
                 oldState = comp->getURL();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setURL (newState);
@@ -135,7 +135,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setURL (oldState);
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_ImageButtonHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_ImageButtonHandler.h
index 7bc64e92c8..3a469f4f02 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_ImageButtonHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_ImageButtonHandler.h
@@ -179,12 +179,12 @@ public:
         {
         }
 
-        void setResource (const String& newName)
+        void setResource (const String& newName) override
         {
             setImageResource (layout, element, role, newName, true);
         }
 
-        String getResource() const
+        String getResource() const override
         {
             return getImageResource (element, role);
         }
@@ -314,12 +314,12 @@ public:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             setImageKeepProportions (layout, component, newState, true);
         }
 
-        bool getState() const
+        bool getState() const override
         {
             return doesImageKeepProportions (component);
         }
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_JucerComponentHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_JucerComponentHandler.h
index 3208614101..85a6028395 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_JucerComponentHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_JucerComponentHandler.h
@@ -128,7 +128,7 @@ public:
             oldState = comp->getFilename();
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
             getComponent()->setFilename (newState);
@@ -136,7 +136,7 @@ public:
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
             getComponent()->setFilename (oldState);
@@ -206,13 +206,13 @@ private:
         {
         }
 
-        void buttonClicked()
+        void buttonClicked() override
         {
             if (ProjectContentComponent* const pcc = findParentComponentOfClass<ProjectContentComponent>())
                 pcc->showEditorForFile (component->findFile(), true);
         }
 
-        String getButtonText() const
+        String getButtonText() const override
         {
             return "Open file for editing";
         }
@@ -249,7 +249,7 @@ private:
                 oldValue = comp->getConstructorParams();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setConstructorParams (newValue);
@@ -258,7 +258,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setConstructorParams (oldValue);
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_LabelHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_LabelHandler.h
index 5dcc70c3a7..bf93607992 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_LabelHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_LabelHandler.h
@@ -236,7 +236,7 @@ private:
                 oldState = comp->getText();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setText (newState, dontSendNotification);
@@ -244,7 +244,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setText (oldState, dontSendNotification);
@@ -268,13 +268,13 @@ private:
             choices.add ("edit on double-click");
         }
 
-        void setIndex (int newIndex)
+        void setIndex (int newIndex) override
         {
             document.perform (new LabelEditableChangeAction (component, *document.getComponentLayout(), newIndex),
                               "Change Label editability");
         }
 
-        int getIndex() const
+        int getIndex() const override
         {
             return component->isEditableOnSingleClick()
                     ? 1
@@ -294,7 +294,7 @@ private:
                             : (comp->isEditableOnDoubleClick() ? 2 : 0);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setEditable (newState == 1, newState >= 1, getComponent()->doesLossOfFocusDiscardChanges());
@@ -303,7 +303,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setEditable (oldState == 1, oldState >= 1, getComponent()->doesLossOfFocusDiscardChanges());
@@ -327,13 +327,13 @@ private:
             choices.add ("loss of focus commits changes");
         }
 
-        void setIndex (int newIndex)
+        void setIndex (int newIndex) override
         {
             document.perform (new LabelFocusLossChangeAction (component, *document.getComponentLayout(), newIndex == 0),
                               "Change Label focus behaviour");
         }
 
-        int getIndex() const
+        int getIndex() const override
         {
             return component->doesLossOfFocusDiscardChanges() ? 0 : 1;
         }
@@ -349,7 +349,7 @@ private:
                 oldState = comp->doesLossOfFocusDiscardChanges();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setEditable (getComponent()->isEditableOnSingleClick(),
@@ -359,7 +359,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setEditable (getComponent()->isEditableOnSingleClick(),
@@ -418,7 +418,7 @@ private:
             {
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setJustificationType (newState);
@@ -426,7 +426,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setJustificationType (oldState);
@@ -483,7 +483,7 @@ private:
                 oldState = comp->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont());
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->getProperties().set ("typefaceName", newState);
@@ -492,7 +492,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->getProperties().set ("typefaceName", oldState);
@@ -552,7 +552,7 @@ private:
                 oldState = comp->getFont().getHeight();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 Font f (getComponent()->getFont());
@@ -562,7 +562,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 Font f (getComponent()->getFont());
@@ -678,7 +678,7 @@ private:
                 oldState = comp->getFont();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setFont (newState);
@@ -686,7 +686,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setFont (oldState);
@@ -748,7 +748,7 @@ private:
                 oldState = comp->getFont().getExtraKerningFactor();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 Font f (getComponent()->getFont());
@@ -758,7 +758,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 Font f (getComponent()->getFont());
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_TabbedComponentHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_TabbedComponentHandler.h
index e9ba793fcc..a836c3322c 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_TabbedComponentHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_TabbedComponentHandler.h
@@ -418,7 +418,7 @@ private:
             choices.add ("Tabs at right");
         }
 
-        void setIndex (int newIndex)
+        void setIndex (int newIndex) override
         {
             const TabbedButtonBar::Orientation orientations[] = { TabbedButtonBar::TabsAtTop,
                                                                   TabbedButtonBar::TabsAtBottom,
@@ -429,7 +429,7 @@ private:
                               "Change TabComponent orientation");
         }
 
-        int getIndex() const
+        int getIndex() const override
         {
             switch (component->getOrientation())
             {
@@ -454,7 +454,7 @@ private:
                 oldState = comp->getOrientation();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setOrientation (newState);
@@ -462,7 +462,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setOrientation (oldState);
@@ -485,13 +485,13 @@ private:
                 choices.add ("Tab " + String (i) + ": \"" + comp->getTabNames() [i] + "\"");
         }
 
-        void setIndex (int newIndex)
+        void setIndex (int newIndex) override
         {
             document.perform (new InitialTabChangeAction (component, *document.getComponentLayout(), newIndex),
                               "Change initial tab");
         }
 
-        int getIndex() const
+        int getIndex() const override
         {
             return component->getCurrentTabIndex();
         }
@@ -507,7 +507,7 @@ private:
                 oldValue = comp->getCurrentTabIndex();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setCurrentTabIndex (newValue);
@@ -515,7 +515,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setCurrentTabIndex (oldValue);
@@ -578,7 +578,7 @@ private:
                 oldState = comp->getTabBarDepth();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setTabBarDepth (newState);
@@ -586,7 +586,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setTabBarDepth (oldState);
@@ -609,13 +609,13 @@ private:
         {
         }
 
-        void buttonClicked()
+        void buttonClicked() override
         {
             document.perform (new AddTabAction (component, *document.getComponentLayout()),
                               "Add a new tab");
         }
 
-        String getButtonText() const
+        String getButtonText() const override
         {
             return "Create a new tab";
         }
@@ -632,7 +632,7 @@ private:
             {
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 addNewTab (getComponent());
@@ -641,7 +641,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->removeTab (getComponent()->getNumTabs() - 1);
@@ -663,7 +663,7 @@ private:
         {
         }
 
-        void buttonClicked()
+        void buttonClicked() override
         {
             const StringArray names (component->getTabNames());
 
@@ -681,7 +681,7 @@ private:
             });
         }
 
-        String getButtonText() const
+        String getButtonText() const override
         {
             return "Delete a tab...";
         }
@@ -700,7 +700,7 @@ private:
                 previousState = getTabState (comp, indexToRemove);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
 
@@ -710,7 +710,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 addNewTab (getComponent(), indexToRemove);
@@ -761,7 +761,7 @@ private:
                 oldValue = comp->getTabNames() [tabIndex];
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setTabName (tabIndex, newValue);
@@ -769,7 +769,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setTabName (tabIndex, oldValue);
@@ -839,7 +839,7 @@ private:
                 oldValue = comp->getTabBackgroundColour (tabIndex);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setTabBackgroundColour (tabIndex, newValue);
@@ -847,7 +847,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setTabBackgroundColour (tabIndex, oldValue);
@@ -873,13 +873,13 @@ private:
             choices.add ("Named content component");
         }
 
-        void setIndex (int newIndex)
+        void setIndex (int newIndex) override
         {
             document.perform (new TabContentTypeChangeAction (component, *document.getComponentLayout(), tabIndex, newIndex == 0),
                               "Change tab content type");
         }
 
-        int getIndex() const
+        int getIndex() const override
         {
             return isTabUsingJucerComp (component, tabIndex) ? 0 : 1;
         }
@@ -898,7 +898,7 @@ private:
                 oldValue = isTabUsingJucerComp (comp, tabIndex);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 setTabUsingJucerComp (getComponent(), tabIndex, newValue);
@@ -907,7 +907,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 setTabUsingJucerComp (getComponent(), tabIndex, oldValue);
@@ -973,7 +973,7 @@ private:
                 oldState = getTabJucerFile (comp, tabIndex);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 setTabJucerFile (getComponent(), tabIndex, newState);
@@ -981,7 +981,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 setTabJucerFile (getComponent(), tabIndex, oldState);
@@ -1029,7 +1029,7 @@ private:
                 oldValue = getTabClassName (comp, tabIndex);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 setTabClassName (getComponent(), tabIndex, newValue);
@@ -1038,7 +1038,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 setTabClassName (getComponent(), tabIndex, oldValue);
@@ -1087,7 +1087,7 @@ private:
                 oldValue = getTabConstructorParams (comp, tabIndex);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 setTabConstructorParams (getComponent(), tabIndex, newValue);
@@ -1096,7 +1096,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 setTabConstructorParams (getComponent(), tabIndex, oldValue);
@@ -1122,10 +1122,9 @@ private:
               tabIndex (tabIndex_),
               totalNumTabs (totalNumTabs_)
         {
-
         }
 
-        void buttonClicked()
+        void buttonClicked() override
         {
             PopupMenu m;
             m.addItem (1, "Move this tab up", tabIndex > 0);
@@ -1140,7 +1139,7 @@ private:
             });
         }
 
-        String getButtonText() const
+        String getButtonText() const override
         {
             return "Move this tab...";
         }
@@ -1176,13 +1175,13 @@ private:
                 changed();
             }
 
-            bool perform()
+            bool perform() override
             {
                 move (oldIndex, newIndex);
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 move (newIndex, oldIndex);
                 return true;
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_TextEditorHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_TextEditorHandler.h
index e98f7e2f97..3324df931d 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_TextEditorHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_TextEditorHandler.h
@@ -143,13 +143,13 @@ private:
             choices.add ("multi-line, return key disabled");
         }
 
-        void setIndex (int newIndex)
+        void setIndex (int newIndex) override
         {
             document.perform (new TextEditorMultilineChangeAction (component, *document.getComponentLayout(), newIndex),
                               "Change TextEditor multiline mode");
         }
 
-        int getIndex() const
+        int getIndex() const override
         {
             return component->isMultiLine() ? (component->getReturnKeyStartsNewLine() ? 1 : 2) : 0;
         }
@@ -165,7 +165,7 @@ private:
                 oldState = comp->isMultiLine() ? (comp->getReturnKeyStartsNewLine() ? 1 : 2) : 0;
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setMultiLine (newState > 0);
@@ -174,7 +174,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setMultiLine (oldState > 0);
@@ -196,13 +196,13 @@ private:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             document.perform (new TextEditorReadonlyChangeAction (component, *document.getComponentLayout(), ! newState),
                               "Change TextEditor read-only mode");
         }
 
-        bool getState() const        { return ! component->isReadOnly(); }
+        bool getState() const override        { return ! component->isReadOnly(); }
 
     private:
         class TextEditorReadonlyChangeAction  : public ComponentUndoableAction <TextEditor>
@@ -215,7 +215,7 @@ private:
                 oldState = comp->isReadOnly();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setReadOnly (newState);
@@ -223,7 +223,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setReadOnly (oldState);
@@ -244,13 +244,13 @@ private:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             document.perform (new TextEditorScrollbarChangeAction (component, *document.getComponentLayout(), newState),
                               "Change TextEditor scrollbars");
         }
 
-        bool getState() const        { return component->areScrollbarsShown(); }
+        bool getState() const override        { return component->areScrollbarsShown(); }
 
     private:
         class TextEditorScrollbarChangeAction  : public ComponentUndoableAction <TextEditor>
@@ -263,7 +263,7 @@ private:
                 oldState = comp->areScrollbarsShown();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setScrollbarsShown (newState);
@@ -271,7 +271,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setScrollbarsShown (oldState);
@@ -292,13 +292,13 @@ private:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             document.perform (new TextEditorCaretChangeAction (component, *document.getComponentLayout(), newState),
                               "Change TextEditor caret");
         }
 
-        bool getState() const        { return component->isCaretVisible(); }
+        bool getState() const override        { return component->isCaretVisible(); }
 
     private:
         class TextEditorCaretChangeAction  : public ComponentUndoableAction <TextEditor>
@@ -311,7 +311,7 @@ private:
                 oldState = comp->isCaretVisible();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setCaretVisible (newState);
@@ -319,7 +319,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setCaretVisible (oldState);
@@ -340,13 +340,13 @@ private:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             document.perform (new TextEditorPopupMenuChangeAction (component, *document.getComponentLayout(), newState),
                               "Change TextEditor popup menu");
         }
 
-        bool getState() const        { return component->isPopupMenuEnabled(); }
+        bool getState() const override        { return component->isPopupMenuEnabled(); }
 
     private:
         class TextEditorPopupMenuChangeAction  : public ComponentUndoableAction <TextEditor>
@@ -359,7 +359,7 @@ private:
                 oldState = comp->isPopupMenuEnabled();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setPopupMenuEnabled (newState);
@@ -367,7 +367,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setPopupMenuEnabled (oldState);
@@ -409,7 +409,7 @@ private:
                 oldState = comp->getProperties() ["initialText"];
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setText (newState, false);
@@ -418,7 +418,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setText (oldState, false);
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_ToggleButtonHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_ToggleButtonHandler.h
index 3632dc69e7..ea0de223a6 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_ToggleButtonHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_ToggleButtonHandler.h
@@ -102,13 +102,13 @@ private:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             document.perform (new ToggleStateChangeAction (component, *document.getComponentLayout(), newState),
                               "Change ToggleButton state");
         }
 
-        bool getState() const
+        bool getState() const override
         {
             return component->getToggleState();
         }
@@ -124,7 +124,7 @@ private:
                 oldState = comp->getToggleState();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setToggleState (newState, dontSendNotification);
@@ -132,7 +132,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setToggleState (oldState, dontSendNotification);
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_TreeViewHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_TreeViewHandler.h
index 139708d453..5dc1a9ea59 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_TreeViewHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_TreeViewHandler.h
@@ -168,13 +168,13 @@ private:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             document.perform (new TreeviewRootChangeAction (component, *document.getComponentLayout(), newState),
                               "Change TreeView root item");
         }
 
-        bool getState() const
+        bool getState() const override
         {
             return component->isRootItemVisible();
         }
@@ -190,7 +190,7 @@ private:
                 oldState = comp->isRootItemVisible();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setRootItemVisible (newState);
@@ -198,7 +198,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setRootItemVisible (oldState);
@@ -221,13 +221,13 @@ private:
             choices.add ("Items closed by default");
         }
 
-        void setIndex (int newIndex)
+        void setIndex (int newIndex) override
         {
             document.perform (new TreeviewOpennessChangeAction (component, *document.getComponentLayout(), newIndex == 0),
                               "Change TreeView openness");
         }
 
-        int getIndex() const
+        int getIndex() const override
         {
             return component->areItemsOpenByDefault() ? 0 : 1;
         }
@@ -243,7 +243,7 @@ private:
                 oldState = comp->areItemsOpenByDefault();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setDefaultOpenness (newState);
@@ -251,7 +251,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setDefaultOpenness (oldState);
diff --git a/extras/Projucer/Source/ComponentEditor/Components/jucer_ViewportHandler.h b/extras/Projucer/Source/ComponentEditor/Components/jucer_ViewportHandler.h
index ddd1657b41..72134eab6f 100644
--- a/extras/Projucer/Source/ComponentEditor/Components/jucer_ViewportHandler.h
+++ b/extras/Projucer/Source/ComponentEditor/Components/jucer_ViewportHandler.h
@@ -266,7 +266,7 @@ private:
         {
         }
 
-        void parentHierarchyChanged()
+        void parentHierarchyChanged() override
         {
             Viewport::parentHierarchyChanged();
             updateViewportContentComp (this);
@@ -301,13 +301,13 @@ private:
         {
         }
 
-        void setState (bool newState)
+        void setState (bool newState) override
         {
             document.perform (new ViewportScrollbarChangeAction (component, *document.getComponentLayout(), vertical, newState),
                               "Change Viewport scrollbar");
         }
 
-        bool getState() const
+        bool getState() const override
         {
             return vertical ? component->isVerticalScrollBarShown()
                             : component->isHorizontalScrollBarShown();
@@ -328,7 +328,7 @@ private:
                                     : comp->isHorizontalScrollBarShown();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 if (vertical)
@@ -340,7 +340,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 if (vertical)
@@ -407,7 +407,7 @@ private:
                 oldState = comp->getScrollBarThickness();
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 getComponent()->setScrollBarThickness (newState);
@@ -415,7 +415,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 getComponent()->setScrollBarThickness (newState);
@@ -439,13 +439,13 @@ private:
             choices.add ("Named content component");
         }
 
-        void setIndex (int newIndex)
+        void setIndex (int newIndex) override
         {
             document.perform (new ViewportContentTypeChangeAction (component, *document.getComponentLayout(), newIndex),
                               "Change Viewport content type");
         }
 
-        int getIndex() const
+        int getIndex() const override
         {
             return getViewportContentType (component);
         }
@@ -461,7 +461,7 @@ private:
                 oldValue = getViewportContentType (comp);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 setViewportContentType (getComponent(), newValue);
@@ -470,7 +470,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 setViewportContentType (getComponent(), oldValue);
@@ -538,7 +538,7 @@ private:
                 oldState = getViewportJucerComponentFile (comp);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 setViewportJucerComponentFile (getComponent(), newState);
@@ -546,7 +546,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 setViewportJucerComponentFile (getComponent(), oldState);
@@ -589,7 +589,7 @@ private:
                 oldValue = getViewportGenericComponentClass (comp);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 setViewportGenericComponentClass (getComponent(), newValue);
@@ -598,7 +598,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 setViewportGenericComponentClass (getComponent(), oldValue);
@@ -642,7 +642,7 @@ private:
                 oldValue = getViewportConstructorParams (comp);
             }
 
-            bool perform()
+            bool perform() override
             {
                 showCorrectTab();
                 setViewportConstructorParams (getComponent(), newValue);
@@ -651,7 +651,7 @@ private:
                 return true;
             }
 
-            bool undo()
+            bool undo() override
             {
                 showCorrectTab();
                 setViewportConstructorParams (getComponent(), oldValue);
diff --git a/extras/Projucer/Source/ComponentEditor/Documents/jucer_ButtonDocument.cpp b/extras/Projucer/Source/ComponentEditor/Documents/jucer_ButtonDocument.cpp
index 8b34cfdb03..6d0fc13830 100644
--- a/extras/Projucer/Source/ComponentEditor/Documents/jucer_ButtonDocument.cpp
+++ b/extras/Projucer/Source/ComponentEditor/Documents/jucer_ButtonDocument.cpp
@@ -233,23 +233,23 @@ public:
         document.addChangeListener (this);
     }
 
-    ~ButtonStatePaintEnabledProperty()
+    ~ButtonStatePaintEnabledProperty() override
     {
         document.removeChangeListener (this);
     }
 
-    void setState (bool newState)
+    void setState (bool newState) override
     {
         document.setStatePaintRoutineEnabled (stateMethod, newState);
     }
 
-    bool getState() const
+    bool getState() const override
     {
         return document.isStatePaintRoutineEnabled (stateMethod);
     }
 
 private:
-    void changeListenerCallback (ChangeBroadcaster*)
+    void changeListenerCallback (ChangeBroadcaster*) override
     {
         refresh();
     }
diff --git a/extras/Projucer/Source/ComponentEditor/Documents/jucer_ButtonDocument.h b/extras/Projucer/Source/ComponentEditor/Documents/jucer_ButtonDocument.h
index dfaef52e18..5d9f6047e5 100644
--- a/extras/Projucer/Source/ComponentEditor/Documents/jucer_ButtonDocument.h
+++ b/extras/Projucer/Source/ComponentEditor/Documents/jucer_ButtonDocument.h
@@ -32,38 +32,38 @@ class ButtonDocument   : public JucerDocument
 {
 public:
     ButtonDocument (SourceCodeDocument* cpp);
-    ~ButtonDocument();
+    ~ButtonDocument() override;
 
     //==============================================================================
-    String getTypeName() const;
+    String getTypeName() const override;
 
-    JucerDocument* createCopy();
-    Component* createTestComponent (bool alwaysFillBackground);
+    JucerDocument* createCopy() override;
+    Component* createTestComponent (bool alwaysFillBackground) override;
 
-    int getNumPaintRoutines() const;
-    StringArray getPaintRoutineNames() const;
-    PaintRoutine* getPaintRoutine (int index) const;
+    int getNumPaintRoutines() const override;
+    StringArray getPaintRoutineNames() const override;
+    PaintRoutine* getPaintRoutine (int index) const override;
 
     void setStatePaintRoutineEnabled (int index, bool b);
     bool isStatePaintRoutineEnabled (int index) const;
 
     int chooseBestEnabledPaintRoutine (int paintRoutineWanted) const;
 
-    ComponentLayout* getComponentLayout() const                 { return nullptr; }
+    ComponentLayout* getComponentLayout() const override { return nullptr; }
 
-    void addExtraClassProperties (PropertyPanel&);
+    void addExtraClassProperties (PropertyPanel&) override;
 
     //==============================================================================
-    std::unique_ptr<XmlElement> createXml() const;
-    bool loadFromXml (const XmlElement&);
+    std::unique_ptr<XmlElement> createXml() const override;
+    bool loadFromXml (const XmlElement&) override;
 
-    void fillInGeneratedCode (GeneratedCode& code) const;
-    void fillInPaintCode (GeneratedCode& code) const;
+    void fillInGeneratedCode (GeneratedCode& code) const override;
+    void fillInPaintCode (GeneratedCode& code) const override;
 
     void getOptionalMethods (StringArray& baseClasses,
                              StringArray& returnValues,
                              StringArray& methods,
-                             StringArray& initialContents) const;
+                             StringArray& initialContents) const override;
 
     //==============================================================================
     std::unique_ptr<PaintRoutine> paintRoutines[7];
diff --git a/extras/Projucer/Source/ComponentEditor/Documents/jucer_ComponentDocument.h b/extras/Projucer/Source/ComponentEditor/Documents/jucer_ComponentDocument.h
index cdc7286d61..e966788af6 100644
--- a/extras/Projucer/Source/ComponentEditor/Documents/jucer_ComponentDocument.h
+++ b/extras/Projucer/Source/ComponentEditor/Documents/jucer_ComponentDocument.h
@@ -32,26 +32,26 @@ class ComponentDocument   : public JucerDocument
 {
 public:
     ComponentDocument (SourceCodeDocument* cpp);
-    ~ComponentDocument();
+    ~ComponentDocument() override;
 
     //==============================================================================
-    String getTypeName() const;
+    String getTypeName() const override;
 
-    JucerDocument* createCopy();
-    Component* createTestComponent (bool alwaysFillBackground);
+    JucerDocument* createCopy() override;
+    Component* createTestComponent (bool alwaysFillBackground) override;
 
-    int getNumPaintRoutines() const                             { return 1; }
-    StringArray getPaintRoutineNames() const                    { return StringArray ("Graphics"); }
-    PaintRoutine* getPaintRoutine (int index) const             { return index == 0 ? backgroundGraphics.get() : nullptr; }
+    int getNumPaintRoutines() const override                             { return 1; }
+    StringArray getPaintRoutineNames() const override                    { return StringArray ("Graphics"); }
+    PaintRoutine* getPaintRoutine (int index) const override             { return index == 0 ? backgroundGraphics.get() : nullptr; }
 
-    ComponentLayout* getComponentLayout() const                 { return components.get(); }
+    ComponentLayout* getComponentLayout() const override                 { return components.get(); }
 
     //==============================================================================
-    std::unique_ptr<XmlElement> createXml() const;
-    bool loadFromXml (const XmlElement& xml);
+    std::unique_ptr<XmlElement> createXml() const override;
+    bool loadFromXml (const XmlElement& xml) override;
 
-    void fillInGeneratedCode (GeneratedCode& code) const;
-    void applyCustomPaintSnippets (StringArray&);
+    void fillInGeneratedCode (GeneratedCode& code) const override;
+    void applyCustomPaintSnippets (StringArray&) override;
 
 private:
     std::unique_ptr<ComponentLayout> components;
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_ColouredElement.cpp b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_ColouredElement.cpp
index b2c4bfc19a..e913a6310f 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_ColouredElement.cpp
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_ColouredElement.cpp
@@ -49,7 +49,7 @@ public:
         choices.add ("Image Brush");
     }
 
-    void setIndex (int newIndex)
+    void setIndex (int newIndex) override
     {
         JucerFillType fill (isForStroke ? listener.owner->getStrokeType().fill
                                         : listener.owner->getFillType());
@@ -69,7 +69,7 @@ public:
             listener.owner->setStrokeFill (fill, true);
     }
 
-    int getIndex() const
+    int getIndex() const override
     {
         switch (isForStroke ? listener.owner->getStrokeType().fill.mode
                             : listener.owner->getFillType().mode)
@@ -178,7 +178,7 @@ public:
         listener.setPropertyToRefresh (*this);
     }
 
-    void setPosition (const RelativePositionedRectangle& newPos)
+    void setPosition (const RelativePositionedRectangle& newPos) override
     {
         JucerFillType fill (isForStroke ? listener.owner->getStrokeType().fill
                                         : listener.owner->getFillType());
@@ -194,7 +194,7 @@ public:
             listener.owner->setStrokeFill (fill, true);
     }
 
-    RelativePositionedRectangle getPosition() const
+    RelativePositionedRectangle getPosition() const override
     {
         const JucerFillType fill (isForStroke ? listener.owner->getStrokeType().fill
                                               : listener.owner->getFillType());
@@ -220,8 +220,8 @@ public:
     }
 
     //==============================================================================
-    void setState (bool newState)           { listener.owner->enableStroke (newState, true); }
-    bool getState() const                   { return listener.owner->isStrokeEnabled(); }
+    void setState (bool newState) override           { listener.owner->enableStroke (newState, true); }
+    bool getState() const override                   { return listener.owner->isStrokeEnabled(); }
 
     ElementListener<ColouredElement> listener;
 };
@@ -237,7 +237,7 @@ public:
         listener.setPropertyToRefresh (*this);
     }
 
-    void setValue (double newValue)
+    void setValue (double newValue) override
     {
         listener.owner->getDocument()->getUndoManager().undoCurrentTransactionOnly();
 
@@ -247,7 +247,7 @@ public:
                                        true);
     }
 
-    double getValue() const                 { return listener.owner->getStrokeType().stroke.getStrokeThickness(); }
+    double getValue() const override                 { return listener.owner->getStrokeType().stroke.getStrokeThickness(); }
 
     ElementListener<ColouredElement> listener;
 };
@@ -267,7 +267,7 @@ public:
         choices.add ("beveled");
     }
 
-    void setIndex (int newIndex)
+    void setIndex (int newIndex) override
     {
         const PathStrokeType::JointStyle joints[] = { PathStrokeType::mitered,
                                                       PathStrokeType::curved,
@@ -285,7 +285,7 @@ public:
                                        true);
     }
 
-    int getIndex() const
+    int getIndex() const override
     {
         switch (listener.owner->getStrokeType().stroke.getJointStyle())
         {
@@ -316,7 +316,7 @@ public:
         choices.add ("round");
     }
 
-    void setIndex (int newIndex)
+    void setIndex (int newIndex) override
     {
         const PathStrokeType::EndCapStyle ends[] = { PathStrokeType::butt,
                                                      PathStrokeType::square,
@@ -334,7 +334,7 @@ public:
                                        true);
     }
 
-    int getIndex() const
+    int getIndex() const override
     {
         switch (listener.owner->getStrokeType().stroke.getEndStyle())
         {
@@ -362,7 +362,7 @@ public:
     }
 
     //==============================================================================
-    void setResource (const String& newName)
+    void setResource (const String& newName) override
     {
         if (element != nullptr)
         {
@@ -383,7 +383,7 @@ public:
         }
     }
 
-    String getResource() const
+    String getResource() const override
     {
         if (element == nullptr)
             return {};
@@ -414,7 +414,7 @@ public:
         listener.setPropertyToRefresh (*this);
     }
 
-    void setPosition (const RelativePositionedRectangle& newPos)
+    void setPosition (const RelativePositionedRectangle& newPos) override
     {
         if (isForStroke)
         {
@@ -430,7 +430,7 @@ public:
         }
     }
 
-    RelativePositionedRectangle getPosition() const
+    RelativePositionedRectangle getPosition() const override
     {
         if (isForStroke)
             return listener.owner->getStrokeType().fill.imageAnchor;
@@ -455,7 +455,7 @@ public:
         listener.setPropertyToRefresh (*this);
     }
 
-    void setValue (double newValue)
+    void setValue (double newValue) override
     {
         if (listener.owner != nullptr)
         {
@@ -478,7 +478,7 @@ public:
         }
     }
 
-    double getValue() const
+    double getValue() const override
     {
         if (listener.owner == nullptr)
             return 0;
@@ -616,14 +616,14 @@ public:
         oldState = element->getFillType();
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         getElement()->setFillType (newState, false);
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         getElement()->setFillType (oldState, false);
@@ -675,14 +675,14 @@ public:
         oldState = element->isStrokeEnabled();
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         getElement()->enableStroke (newState, false);
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         getElement()->enableStroke (oldState, false);
@@ -732,14 +732,14 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         getElement()->setStrokeType (newState, false);
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         getElement()->setStrokeType (oldState, false);
@@ -778,14 +778,14 @@ public:
         oldState = element->getStrokeType().fill;
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         getElement()->setStrokeFill (newState, false);
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         getElement()->setStrokeFill (oldState, false);
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_GradientPointComponent.h b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_GradientPointComponent.h
index 78ef64e669..660f9bbc71 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_GradientPointComponent.h
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_GradientPointComponent.h
@@ -41,7 +41,7 @@ public:
     {
     }
 
-    RelativePositionedRectangle getPosition()
+    RelativePositionedRectangle getPosition() override
     {
         ColouredElement* e = dynamic_cast<ColouredElement*> (owner);
 
@@ -53,7 +53,7 @@ public:
                        : e->getFillType().gradPos2;
     }
 
-    void setPosition (const RelativePositionedRectangle& newPos)
+    void setPosition (const RelativePositionedRectangle& newPos) override
     {
         ColouredElement* e = dynamic_cast<ColouredElement*> (owner);
 
@@ -81,7 +81,7 @@ public:
         }
     }
 
-    void updatePosition()
+    void updatePosition() override
     {
         PointComponent::updatePosition();
 
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_ImageResourceProperty.h b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_ImageResourceProperty.h
index 6aae0de559..19276314d7 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_ImageResourceProperty.h
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_ImageResourceProperty.h
@@ -59,7 +59,7 @@ public:
         document.addChangeListener (this);
     }
 
-    ~ImageResourceProperty()
+    ~ImageResourceProperty() override
     {
         document.removeChangeListener (this);
     }
@@ -70,7 +70,7 @@ public:
     virtual String getResource() const = 0;
 
     //==============================================================================
-    void setIndex (int newIndex)
+    void setIndex (int newIndex) override
     {
         if (newIndex == 0)
         {
@@ -94,7 +94,7 @@ public:
         }
     }
 
-    int getIndex() const
+    int getIndex() const override
     {
         if (getResource().isEmpty())
             return -1;
@@ -102,7 +102,7 @@ public:
         return choices.indexOf (getResource());
     }
 
-    void changeListenerCallback (ChangeBroadcaster*)
+    void changeListenerCallback (ChangeBroadcaster*) override
     {
         refresh();
     }
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElement.cpp b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElement.cpp
index 992662a061..1e97232ee1 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElement.cpp
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElement.cpp
@@ -101,14 +101,14 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         getElement()->setPosition (newState, false);
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         getElement()->setPosition (oldState, false);
@@ -128,14 +128,14 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         getElement()->setBounds (newBounds);
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         getElement()->setBounds (oldBounds);
@@ -159,7 +159,7 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
 
@@ -170,7 +170,7 @@ public:
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
 
@@ -309,7 +309,7 @@ public:
         listener.setPropertyToRefresh (*this);
     }
 
-    void setPosition (const RelativePositionedRectangle& newPos)
+    void setPosition (const RelativePositionedRectangle& newPos) override
     {
         if (element->getOwner()->getSelectedElements().getNumSelected() > 1)
             positionOtherSelectedElements (getPosition(), newPos);
@@ -317,7 +317,7 @@ public:
         listener.owner->setPosition (newPos, true);
     }
 
-    RelativePositionedRectangle getPosition() const
+    RelativePositionedRectangle getPosition() const override
     {
         return listener.owner->getPosition();
     }
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementEllipse.h b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementEllipse.h
index 30ca25323a..87cf4b8fdf 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementEllipse.h
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementEllipse.h
@@ -158,12 +158,12 @@ private:
         {
         }
 
-        void buttonClicked()
+        void buttonClicked() override
         {
             element->convertToPath();
         }
 
-        String getButtonText() const
+        String getButtonText() const override
         {
             return "convert to a path";
         }
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementGroup.h b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementGroup.h
index 9aa264946c..08bf4cf5d0 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementGroup.h
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementGroup.h
@@ -73,8 +73,8 @@ private:
     {
         UngroupProperty (PaintElementGroup* const);
 
-        void buttonClicked();
-        String getButtonText() const;
+        void buttonClicked() override;
+        String getButtonText() const override;
 
         PaintElementGroup* element;
     };
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementImage.h b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementImage.h
index 8baabd385d..38097d4a0e 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementImage.h
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementImage.h
@@ -58,8 +58,8 @@ public:
     public:
         SetResourceAction (PaintElementImage* const, const String&);
 
-        bool perform();
-        bool undo();
+        bool perform() override;
+        bool undo() override;
 
     private:
         String newResource, oldResource;
@@ -75,8 +75,8 @@ public:
     public:
         SetOpacityAction (PaintElementImage* const, double);
 
-        bool perform();
-        bool undo();
+        bool perform() override;
+        bool undo() override;
 
     private:
         double newOpacity, oldOpacity;
@@ -96,8 +96,8 @@ public:
     public:
         SetStretchModeAction (PaintElementImage* const, StretchMode);
 
-        bool perform();
-        bool undo();
+        bool perform() override;
+        bool undo() override;
 
     private:
         StretchMode newValue, oldValue;
@@ -124,8 +124,8 @@ private:
     public:
         ImageElementResourceProperty (PaintElementImage* const);
 
-        void setResource (const String&);
-        String getResource() const;
+        void setResource (const String&) override;
+        String getResource() const override;
     };
 
     //==============================================================================
@@ -134,8 +134,8 @@ private:
     public:
         OpacityProperty (PaintElementImage* const);
 
-        void setValue (double);
-        double getValue() const;
+        void setValue (double) override;
+        double getValue() const override;
 
         ElementListener<PaintElementImage> listener;
     };
@@ -145,8 +145,8 @@ private:
     public:
         StretchModeProperty (PaintElementImage* const);
 
-        void setIndex (int);
-        int getIndex() const;
+        void setIndex (int) override;
+        int getIndex() const override;
 
         ElementListener<PaintElementImage> listener;
     };
@@ -156,8 +156,8 @@ private:
     public:
         ResetSizeProperty (PaintElementImage* const);
 
-        void buttonClicked();
-        String getButtonText() const;
+        void buttonClicked() override;
+        String getButtonText() const override;
 
     private:
         PaintElementImage* const element;
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementPath.cpp b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementPath.cpp
index 01471970f9..5015cca664 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementPath.cpp
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementPath.cpp
@@ -52,12 +52,12 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         return changeTo (newValue);
     }
 
-    bool undo()
+    bool undo() override
     {
         return changeTo (oldValue);
     }
@@ -748,14 +748,14 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         getElement()->setNonZeroWinding (newValue, false);
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         getElement()->setNonZeroWinding (oldValue, false);
@@ -846,7 +846,7 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
 
@@ -862,7 +862,7 @@ public:
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
 
@@ -952,7 +952,7 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
 
@@ -963,7 +963,7 @@ public:
         return path != nullptr;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
 
@@ -1292,17 +1292,17 @@ public:
         owner->getDocument()->addChangeListener (this);
     }
 
-    ~PathPointPositionProperty()
+    ~PathPointPositionProperty() override
     {
         owner->getDocument()->removeChangeListener (this);
     }
 
-    void setPosition (const RelativePositionedRectangle& newPos)
+    void setPosition (const RelativePositionedRectangle& newPos) override
     {
         owner->setPoint (index, pointNumber, newPos, true);
     }
 
-    RelativePositionedRectangle getPosition() const
+    RelativePositionedRectangle getPosition() const override
     {
         return owner->getPoint (index, pointNumber);
     }
@@ -1328,22 +1328,22 @@ public:
         choices.add ("Subpath is open-ended");
     }
 
-    ~PathPointClosedProperty()
+    ~PathPointClosedProperty() override
     {
         owner->getDocument()->removeChangeListener (this);
     }
 
-    void changeListenerCallback (ChangeBroadcaster*)
+    void changeListenerCallback (ChangeBroadcaster*) override
     {
         refresh();
     }
 
-    void setIndex (int newIndex)
+    void setIndex (int newIndex) override
     {
         owner->setSubpathClosed (index, newIndex == 0, true);
     }
 
-    int getIndex() const
+    int getIndex() const override
     {
         return owner->isSubpathClosed (index) ? 0 : 1;
     }
@@ -1364,12 +1364,12 @@ public:
     {
     }
 
-    void buttonClicked()
+    void buttonClicked() override
     {
         owner->addPoint (index, true);
     }
 
-    String getButtonText() const      { return "Add new point"; }
+    String getButtonText() const override      { return "Add new point"; }
 
 private:
     PaintElementPath* const owner;
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementPath.h b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementPath.h
index 5af38a7c94..b5dd12f96c 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementPath.h
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementPath.h
@@ -152,17 +152,17 @@ public:
     PathPointComponent (PaintElementPath* const path_,
                         int index, int pointNumber);
 
-    ~PathPointComponent();
+    ~PathPointComponent() override;
 
-    void updatePosition();
+    void updatePosition() override;
     void showPopupMenu();
 
-    void paint (Graphics& g);
-    void mouseDown (const MouseEvent& e);
-    void mouseDrag (const MouseEvent& e);
-    void mouseUp (const MouseEvent& e);
+    void paint (Graphics& g) override;
+    void mouseDown (const MouseEvent& e) override;
+    void mouseDrag (const MouseEvent& e) override;
+    void mouseUp (const MouseEvent& e) override;
 
-    void changeListenerCallback (ChangeBroadcaster*);
+    void changeListenerCallback (ChangeBroadcaster*) override;
 
 private:
     PaintElementPath* const path;
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementRectangle.h b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementRectangle.h
index 1eab0b0094..c1913b86dd 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementRectangle.h
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementRectangle.h
@@ -168,12 +168,12 @@ private:
         {
         }
 
-        void buttonClicked()
+        void buttonClicked() override
         {
             element->convertToPath();
         }
 
-        String getButtonText() const
+        String getButtonText() const override
         {
             return "convert to a path";
         }
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementRoundedRectangle.h b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementRoundedRectangle.h
index 48ddcb6f31..ee91f266cd 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementRoundedRectangle.h
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementRoundedRectangle.h
@@ -75,14 +75,14 @@ public:
             oldSize = element->getCornerSize();
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
             getElement()->setCornerSize (newSize, false);
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
             getElement()->setCornerSize (oldSize, false);
@@ -251,12 +251,12 @@ private:
         {
         }
 
-        void buttonClicked()
+        void buttonClicked() override
         {
             element->convertToPath();
         }
 
-        String getButtonText() const
+        String getButtonText() const override
         {
             return "convert to a path";
         }
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementText.h b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementText.h
index 7d693d3951..85e2bbf068 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementText.h
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementText.h
@@ -176,14 +176,14 @@ public:
         {
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
             getElement()->setText (newText, false);
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
             getElement()->setText (oldText, false);
@@ -224,14 +224,14 @@ public:
         {
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
             getElement()->setFont (newFont, false);
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
             getElement()->setFont (oldFont, false);
@@ -270,14 +270,14 @@ public:
         {
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
             getElement()->setTypefaceName (newValue, false);
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
             getElement()->setTypefaceName (oldValue, false);
@@ -317,14 +317,14 @@ public:
         {
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
             getElement()->setJustification (newValue, false);
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
             getElement()->setJustification (oldValue, false);
@@ -430,16 +430,16 @@ private:
             element->getDocument()->addChangeListener (this);
         }
 
-        ~FontNameProperty()
+        ~FontNameProperty() override
         {
             element->getDocument()->removeChangeListener (this);
         }
 
-        void setTypefaceName (const String& newFontName)    { element->setTypefaceName (newFontName, true); }
-        String getTypefaceName() const                      { return element->getTypefaceName(); }
+        void setTypefaceName (const String& newFontName) override    { element->setTypefaceName (newFontName, true); }
+        String getTypefaceName() const override                      { return element->getTypefaceName(); }
 
     private:
-        void changeListenerCallback (ChangeBroadcaster*)                 { refresh(); }
+        void changeListenerCallback (ChangeBroadcaster*) override                 { refresh(); }
 
         PaintElementText* const element;
     };
@@ -458,7 +458,7 @@ private:
             updateStylesList (element->getTypefaceName());
         }
 
-        ~FontStyleProperty()
+        ~FontStyleProperty() override
         {
             element->getDocument()->removeChangeListener (this);
         }
@@ -485,7 +485,7 @@ private:
             refresh();
         }
 
-        void setIndex (int newIndex)
+        void setIndex (int newIndex) override
         {
             Font f (element->getFont());
 
@@ -505,7 +505,7 @@ private:
             element->setFont (f, true);
         }
 
-        int getIndex() const
+        int getIndex() const override
         {
             auto f = element->getFont();
 
@@ -526,7 +526,7 @@ private:
         }
 
     private:
-        void changeListenerCallback (ChangeBroadcaster*)
+        void changeListenerCallback (ChangeBroadcaster*) override
         {
             updateStylesList (element->getTypefaceName());
         }
@@ -656,12 +656,12 @@ private:
         {
         }
 
-        void buttonClicked()
+        void buttonClicked() override
         {
             element->convertToPath();
         }
 
-        String getButtonText() const
+        String getButtonText() const override
         {
             return "convert text to a path";
         }
diff --git a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementUndoableAction.h b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementUndoableAction.h
index 8f754a4f97..84b51a5f9d 100644
--- a/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementUndoableAction.h
+++ b/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementUndoableAction.h
@@ -78,7 +78,7 @@ public:
         }
     }
 
-    int getSizeInUnits()    { return 2; }
+    int getSizeInUnits() override    { return 2; }
 
 protected:
     PaintRoutine& routine;
diff --git a/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentBooleanProperty.h b/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentBooleanProperty.h
index 8e80dc53ce..582b372b0f 100644
--- a/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentBooleanProperty.h
+++ b/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentBooleanProperty.h
@@ -44,12 +44,12 @@ public:
         document.addChangeListener (this);
     }
 
-    ~ComponentBooleanProperty()
+    ~ComponentBooleanProperty() override
     {
         document.removeChangeListener (this);
     }
 
-    void changeListenerCallback (ChangeBroadcaster*)
+    void changeListenerCallback (ChangeBroadcaster*) override
     {
         refresh();
     }
diff --git a/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentChoiceProperty.h b/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentChoiceProperty.h
index 73a914a4b9..da725733ab 100644
--- a/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentChoiceProperty.h
+++ b/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentChoiceProperty.h
@@ -42,12 +42,12 @@ public:
         document.addChangeListener (this);
     }
 
-    ~ComponentChoiceProperty()
+    ~ComponentChoiceProperty() override
     {
         document.removeChangeListener (this);
     }
 
-    void changeListenerCallback (ChangeBroadcaster*)
+    void changeListenerCallback (ChangeBroadcaster*) override
     {
         refresh();
     }
diff --git a/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentColourProperty.h b/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentColourProperty.h
index b1665dca2f..ff66db98be 100644
--- a/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentColourProperty.h
+++ b/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentColourProperty.h
@@ -44,12 +44,12 @@ public:
         document.addChangeListener (this);
     }
 
-    ~ComponentColourProperty()
+    ~ComponentColourProperty() override
     {
         document.removeChangeListener (this);
     }
 
-    void changeListenerCallback (ChangeBroadcaster*)
+    void changeListenerCallback (ChangeBroadcaster*) override
     {
         refresh();
     }
@@ -76,12 +76,12 @@ public:
     }
 
     //==============================================================================
-    Colour getColour() const
+    Colour getColour() const override
     {
         return component->findColour (colourId);
     }
 
-    void setColour (Colour newColour)
+    void setColour (Colour newColour) override
     {
         if (component->findColour (colourId) != newColour)
         {
@@ -96,7 +96,7 @@ public:
         }
     }
 
-    void resetToDefault()
+    void resetToDefault() override
     {
         document.getUndoManager().undoCurrentTransactionOnly();
 
@@ -126,7 +126,7 @@ private:
         {
         }
 
-        bool perform()
+        bool perform() override
         {
             showCorrectTab();
 
@@ -142,7 +142,7 @@ private:
             return true;
         }
 
-        bool undo()
+        bool undo() override
         {
             showCorrectTab();
 
diff --git a/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentTextProperty.h b/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentTextProperty.h
index 2c3db50a8a..b8afb6f264 100644
--- a/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentTextProperty.h
+++ b/extras/Projucer/Source/ComponentEditor/Properties/jucer_ComponentTextProperty.h
@@ -44,12 +44,12 @@ public:
         document.addChangeListener (this);
     }
 
-    ~ComponentTextProperty()
+    ~ComponentTextProperty() override
     {
         document.removeChangeListener (this);
     }
 
-    void changeListenerCallback (ChangeBroadcaster*)
+    void changeListenerCallback (ChangeBroadcaster*) override
     {
         refresh();
     }
diff --git a/extras/Projucer/Source/ComponentEditor/Properties/jucer_FontPropertyComponent.h b/extras/Projucer/Source/ComponentEditor/Properties/jucer_FontPropertyComponent.h
index f0ccd0b26b..734ba96660 100644
--- a/extras/Projucer/Source/ComponentEditor/Properties/jucer_FontPropertyComponent.h
+++ b/extras/Projucer/Source/ComponentEditor/Properties/jucer_FontPropertyComponent.h
@@ -63,7 +63,7 @@ public:
     virtual String getTypefaceName() const = 0;
 
     //==============================================================================
-    void setIndex (int newIndex)
+    void setIndex (int newIndex) override
     {
         String type (choices [newIndex]);
 
@@ -74,7 +74,7 @@ public:
             setTypefaceName (type);
     }
 
-    int getIndex() const
+    int getIndex() const override
     {
         return choices.indexOf (getTypefaceName());
     }
diff --git a/extras/Projucer/Source/ComponentEditor/Properties/jucer_JustificationProperty.h b/extras/Projucer/Source/ComponentEditor/Properties/jucer_JustificationProperty.h
index 4fddb34fdf..1143bc6eac 100644
--- a/extras/Projucer/Source/ComponentEditor/Properties/jucer_JustificationProperty.h
+++ b/extras/Projucer/Source/ComponentEditor/Properties/jucer_JustificationProperty.h
@@ -58,7 +58,7 @@ public:
     virtual Justification getJustification() const = 0;
 
     //==============================================================================
-    void setIndex (int newIndex)
+    void setIndex (int newIndex) override
     {
         const int types[] = { Justification::centred,
                               Justification::centredLeft,
@@ -77,7 +77,7 @@ public:
         }
     }
 
-    int getIndex() const
+    int getIndex() const override
     {
         const int types[] = { Justification::centred,
                               Justification::centredLeft,
diff --git a/extras/Projucer/Source/ComponentEditor/Properties/jucer_PositionPropertyBase.h b/extras/Projucer/Source/ComponentEditor/Properties/jucer_PositionPropertyBase.h
index 87a9b3e41c..8090714419 100644
--- a/extras/Projucer/Source/ComponentEditor/Properties/jucer_PositionPropertyBase.h
+++ b/extras/Projucer/Source/ComponentEditor/Properties/jucer_PositionPropertyBase.h
@@ -175,7 +175,7 @@ public:
         }
     }
 
-    void changeListenerCallback (ChangeBroadcaster*)
+    void changeListenerCallback (ChangeBroadcaster*) override
     {
         refresh();
     }
@@ -392,7 +392,7 @@ public:
         });
     }
 
-    void resized()
+    void resized() override
     {
         const Rectangle<int> r (getLookAndFeel().getPropertyComponentContentPosition (*this));
 
@@ -402,7 +402,7 @@ public:
         textEditor->setBounds (r.getX(), r.getY(), button.getX() - r.getX(), r.getHeight());
     }
 
-    void refresh()
+    void refresh() override
     {
         textEditor->setText (getText(), dontSendNotification);
     }
diff --git a/extras/Projucer/Source/ComponentEditor/UI/jucer_ComponentLayoutPanel.h b/extras/Projucer/Source/ComponentEditor/UI/jucer_ComponentLayoutPanel.h
index c49718231b..e1907e07a9 100644
--- a/extras/Projucer/Source/ComponentEditor/UI/jucer_ComponentLayoutPanel.h
+++ b/extras/Projucer/Source/ComponentEditor/UI/jucer_ComponentLayoutPanel.h
@@ -41,17 +41,17 @@ public:
     {
     }
 
-    ~ComponentLayoutPanel()
+    ~ComponentLayoutPanel() override
     {
         deleteAllChildren();
     }
 
-    void updatePropertiesList()
+    void updatePropertiesList() override
     {
         ((LayoutPropsPanel*) propsPanel)->updateList();
     }
 
-    Rectangle<int> getComponentArea() const
+    Rectangle<int> getComponentArea() const override
     {
         return ((ComponentLayoutEditor*) editor)->getComponentArea();
     }
diff --git a/extras/Projucer/Source/ComponentEditor/UI/jucer_EditingPanelBase.cpp b/extras/Projucer/Source/ComponentEditor/UI/jucer_EditingPanelBase.cpp
index 7b7d332036..8c1cbee738 100644
--- a/extras/Projucer/Source/ComponentEditor/UI/jucer_EditingPanelBase.cpp
+++ b/extras/Projucer/Source/ComponentEditor/UI/jucer_EditingPanelBase.cpp
@@ -37,7 +37,7 @@ public:
         updateBounds (content.get());
     }
 
-    void childBoundsChanged (Component* child)
+    void childBoundsChanged (Component* child) override
     {
         updateBounds (child);
     }
@@ -69,7 +69,7 @@ public:
     {
     }
 
-    void mouseWheelMove (const MouseEvent& e, const MouseWheelDetails& wheel)
+    void mouseWheelMove (const MouseEvent& e, const MouseWheelDetails& wheel) override
     {
         if (e.mods.isCtrlDown() || e.mods.isAltDown() || e.mods.isCommandDown())
             mouseMagnify (e, 1.0f / (1.0f - wheel.deltaY));
@@ -77,7 +77,7 @@ public:
             Viewport::mouseWheelMove (e, wheel);
     }
 
-    void mouseMagnify (const MouseEvent& e, float factor)
+    void mouseMagnify (const MouseEvent& e, float factor) override
     {
         panel->setZoom (panel->getZoom() * factor, e.x, e.y);
     }
@@ -116,7 +116,7 @@ private:
             setAlwaysOnTop (true);
         }
 
-        void mouseDown (const MouseEvent&)
+        void mouseDown (const MouseEvent&) override
         {
             if (Viewport* viewport = findParentComponentOfClass<Viewport>())
             {
@@ -125,7 +125,7 @@ private:
             }
         }
 
-        void mouseDrag (const MouseEvent& e)
+        void mouseDrag (const MouseEvent& e) override
         {
             if (Viewport* viewport = findParentComponentOfClass<Viewport>())
                 viewport->setViewPosition (jlimit (0, jmax (0, viewport->getViewedComponent()->getWidth() - viewport->getViewWidth()),
diff --git a/extras/Projucer/Source/ComponentEditor/UI/jucer_JucerDocumentEditor.cpp b/extras/Projucer/Source/ComponentEditor/UI/jucer_JucerDocumentEditor.cpp
index 0ec8381dbe..9755011693 100644
--- a/extras/Projucer/Source/ComponentEditor/UI/jucer_JucerDocumentEditor.cpp
+++ b/extras/Projucer/Source/ComponentEditor/UI/jucer_JucerDocumentEditor.cpp
@@ -294,8 +294,8 @@ private:
             choices.add ("Keep component size fixed");
         }
 
-        void setIndex (int newIndex)        { document.setFixedSize (newIndex != 0); }
-        int getIndex() const                { return document.isFixedSize() ? 1 : 0; }
+        void setIndex (int newIndex) override        { document.setFixedSize (newIndex != 0); }
+        int getIndex() const override                { return document.isFixedSize() ? 1 : 0; }
     };
 
     //==============================================================================
diff --git a/extras/Projucer/Source/ComponentEditor/UI/jucer_PaintRoutineEditor.h b/extras/Projucer/Source/ComponentEditor/UI/jucer_PaintRoutineEditor.h
index 86f68a4214..ab3574ca62 100644
--- a/extras/Projucer/Source/ComponentEditor/UI/jucer_PaintRoutineEditor.h
+++ b/extras/Projucer/Source/ComponentEditor/UI/jucer_PaintRoutineEditor.h
@@ -41,25 +41,25 @@ public:
     PaintRoutineEditor (PaintRoutine& graphics,
                         JucerDocument& document,
                         JucerDocumentEditor* const docHolder);
-    ~PaintRoutineEditor();
+    ~PaintRoutineEditor() override;
 
     //==============================================================================
-    void paint (Graphics& g);
-    void paintOverChildren (Graphics& g);
-    void resized();
-    void changeListenerCallback (ChangeBroadcaster*);
+    void paint (Graphics& g) override;
+    void paintOverChildren (Graphics& g) override;
+    void resized() override;
+    void changeListenerCallback (ChangeBroadcaster*) override;
 
-    void mouseDown (const MouseEvent& e);
-    void mouseDrag (const MouseEvent& e);
-    void mouseUp (const MouseEvent& e);
-    void visibilityChanged();
+    void mouseDown (const MouseEvent& e) override;
+    void mouseDrag (const MouseEvent& e) override;
+    void mouseUp (const MouseEvent& e) override;
+    void visibilityChanged() override;
 
-    void findLassoItemsInArea (Array <PaintElement*>& results, const Rectangle<int>& area);
+    void findLassoItemsInArea (Array <PaintElement*>& results, const Rectangle<int>& area) override;
 
-    SelectedItemSet <PaintElement*>& getLassoSelection();
+    SelectedItemSet <PaintElement*>& getLassoSelection() override;
 
-    bool isInterestedInFileDrag (const StringArray& files);
-    void filesDropped (const StringArray& filenames, int x, int y);
+    bool isInterestedInFileDrag (const StringArray& files) override;
+    void filesDropped (const StringArray& filenames, int x, int y) override;
 
     Rectangle<int> getComponentArea() const;
 
diff --git a/extras/Projucer/Source/ComponentEditor/UI/jucer_PaintRoutinePanel.h b/extras/Projucer/Source/ComponentEditor/UI/jucer_PaintRoutinePanel.h
index fe7cb34833..5ba3750122 100644
--- a/extras/Projucer/Source/ComponentEditor/UI/jucer_PaintRoutinePanel.h
+++ b/extras/Projucer/Source/ComponentEditor/UI/jucer_PaintRoutinePanel.h
@@ -33,12 +33,12 @@ class PaintRoutinePanel  : public EditingPanelBase
 {
 public:
     PaintRoutinePanel (JucerDocument&, PaintRoutine&, JucerDocumentEditor*);
-    ~PaintRoutinePanel();
+    ~PaintRoutinePanel() override;
 
     PaintRoutine& getPaintRoutine() const noexcept           { return routine; }
 
-    void updatePropertiesList();
-    Rectangle<int> getComponentArea() const;
+    void updatePropertiesList() override;
+    Rectangle<int> getComponentArea() const override;
 
 private:
     PaintRoutine& routine;
diff --git a/extras/Projucer/Source/ComponentEditor/UI/jucer_ResourceEditorPanel.cpp b/extras/Projucer/Source/ComponentEditor/UI/jucer_ResourceEditorPanel.cpp
index 4f830273a1..0a6aba5c0c 100644
--- a/extras/Projucer/Source/ComponentEditor/UI/jucer_ResourceEditorPanel.cpp
+++ b/extras/Projucer/Source/ComponentEditor/UI/jucer_ResourceEditorPanel.cpp
@@ -49,7 +49,7 @@ public:
         reloadButton.setVisible (document.getResources() [row] != nullptr);
     }
 
-    void resized()
+    void resized() override
     {
         reloadButton.setBoundsInset (BorderSize<int> (2));
     }
diff --git a/extras/Projucer/Source/ComponentEditor/jucer_ComponentLayout.cpp b/extras/Projucer/Source/ComponentEditor/jucer_ComponentLayout.cpp
index 94bdfbf00d..405262a767 100644
--- a/extras/Projucer/Source/ComponentEditor/jucer_ComponentLayout.cpp
+++ b/extras/Projucer/Source/ComponentEditor/jucer_ComponentLayout.cpp
@@ -78,7 +78,7 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         Component* const newComp = layout.addComponentFromXml (*xml, false);
@@ -89,14 +89,14 @@ public:
         return indexRef >= 0;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         layout.removeComponent (layout.getComponent (indexRef), false);
         return true;
     }
 
-    int getSizeInUnits()    { return 10; }
+    int getSizeInUnits() override    { return 10; }
 
     int& indexRef;
 
@@ -130,14 +130,14 @@ public:
         oldIndex = l.indexOfComponent (comp);
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         layout.removeComponent (getComponent(), false);
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         Component* c = layout.addComponentFromXml (*xml, false);
         jassert (c != nullptr);
@@ -183,7 +183,7 @@ public:
         oldIndex = l.indexOfComponent (comp);
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         Component* comp = layout.getComponent (oldIndex);
@@ -192,7 +192,7 @@ public:
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         layout.moveComponentZOrder (newIndex, oldIndex);
@@ -599,14 +599,14 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         layout.setComponentPosition (getComponent(), newPos, false);
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         layout.setComponentPosition (getComponent(), oldPos, false);
@@ -630,7 +630,7 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         getComponent()->setBounds (newBounds);
@@ -639,7 +639,7 @@ public:
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         getComponent()->setBounds (oldBounds);
diff --git a/extras/Projucer/Source/ComponentEditor/jucer_PaintRoutine.cpp b/extras/Projucer/Source/ComponentEditor/jucer_PaintRoutine.cpp
index c26586d0f7..a8886dc14f 100644
--- a/extras/Projucer/Source/ComponentEditor/jucer_PaintRoutine.cpp
+++ b/extras/Projucer/Source/ComponentEditor/jucer_PaintRoutine.cpp
@@ -89,7 +89,7 @@ public:
     {
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         PaintElement* newElement = routine.addElementFromXml (*xml, -1, false);
@@ -100,14 +100,14 @@ public:
         return indexAdded >= 0;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         routine.removeElement (routine.getElement (indexAdded), false);
         return true;
     }
 
-    int getSizeInUnits()    { return 10; }
+    int getSizeInUnits() override    { return 10; }
 
     int indexAdded;
 
@@ -172,21 +172,21 @@ public:
         oldIndex = routine.indexOfElement (element);
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
         routine.removeElement (getElement(), false);
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         PaintElement* newElement = routine.addElementFromXml (*xml, oldIndex, false);
         showCorrectTab();
         return newElement != nullptr;
     }
 
-    int getSizeInUnits()    { return 10; }
+    int getSizeInUnits() override    { return 10; }
 
 private:
     std::unique_ptr<XmlElement> xml;
@@ -228,7 +228,7 @@ public:
         oldIndex = routine.indexOfElement (element);
     }
 
-    bool perform()
+    bool perform() override
     {
         showCorrectTab();
 
@@ -238,7 +238,7 @@ public:
         return true;
     }
 
-    bool undo()
+    bool undo() override
     {
         showCorrectTab();
         routine.moveElementZOrder (newIndex, oldIndex);
diff --git a/extras/Projucer/Source/Project/jucer_Project.h b/extras/Projucer/Source/Project/jucer_Project.h
index d258d34578..1a67d03fa2 100644
--- a/extras/Projucer/Source/Project/jucer_Project.h
+++ b/extras/Projucer/Source/Project/jucer_Project.h
@@ -131,7 +131,7 @@ public:
         virtual void canCreateMessageBox (CreatorFunction) = 0;
     };
 
-    void handleAsyncUpdate()
+    void handleAsyncUpdate() override
     {
         schedule();
     }
diff --git a/extras/Projucer/Source/Utility/UI/PropertyComponents/jucer_LabelPropertyComponent.h b/extras/Projucer/Source/Utility/UI/PropertyComponents/jucer_LabelPropertyComponent.h
index 95740b0275..49ac7628f5 100644
--- a/extras/Projucer/Source/Utility/UI/PropertyComponents/jucer_LabelPropertyComponent.h
+++ b/extras/Projucer/Source/Utility/UI/PropertyComponents/jucer_LabelPropertyComponent.h
@@ -59,7 +59,7 @@ private:
     //==============================================================================
     struct LabelLookAndFeel final : public ProjucerLookAndFeel
     {
-        void drawPropertyComponentLabel (Graphics&, int, int, PropertyComponent&) {}
+        void drawPropertyComponentLabel (Graphics&, int, int, PropertyComponent&) override {}
     };
 
     void lookAndFeelChanged() override
diff --git a/modules/juce_audio_devices/native/juce_ALSA_linux.cpp b/modules/juce_audio_devices/native/juce_ALSA_linux.cpp
index a17df4836f..3a043b9033 100644
--- a/modules/juce_audio_devices/native/juce_ALSA_linux.cpp
+++ b/modules/juce_audio_devices/native/juce_ALSA_linux.cpp
@@ -979,7 +979,7 @@ public:
        #endif
     }
 
-    ~ALSAAudioIODeviceType()
+    ~ALSAAudioIODeviceType() override
     {
        #if ! JUCE_ALSA_LOGGING
         snd_lib_error_set_handler (nullptr);
@@ -989,7 +989,7 @@ public:
     }
 
     //==============================================================================
-    void scanForDevices()
+    void scanForDevices() override
     {
         if (hasScanned)
             return;
@@ -1011,14 +1011,14 @@ public:
         outputNames.appendNumbersToDuplicates (false, true);
     }
 
-    StringArray getDeviceNames (bool wantInputNames) const
+    StringArray getDeviceNames (bool wantInputNames) const override
     {
         jassert (hasScanned); // need to call scanForDevices() before doing this
 
         return wantInputNames ? inputNames : outputNames;
     }
 
-    int getDefaultDeviceIndex (bool forInput) const
+    int getDefaultDeviceIndex (bool forInput) const override
     {
         jassert (hasScanned); // need to call scanForDevices() before doing this
 
@@ -1026,9 +1026,9 @@ public:
         return idx >= 0 ? idx : 0;
     }
 
-    bool hasSeparateInputsAndOutputs() const    { return true; }
+    bool hasSeparateInputsAndOutputs() const override { return true; }
 
-    int getIndexOfDevice (AudioIODevice* device, bool asInput) const
+    int getIndexOfDevice (AudioIODevice* device, bool asInput) const override
     {
         jassert (hasScanned); // need to call scanForDevices() before doing this
 
@@ -1040,7 +1040,7 @@ public:
     }
 
     AudioIODevice* createDevice (const String& outputDeviceName,
-                                 const String& inputDeviceName)
+                                 const String& inputDeviceName) override
     {
         jassert (hasScanned); // need to call scanForDevices() before doing this
 
diff --git a/modules/juce_audio_devices/native/juce_WASAPI_windows.cpp b/modules/juce_audio_devices/native/juce_WASAPI_windows.cpp
index c925486945..e2ee91a28c 100644
--- a/modules/juce_audio_devices/native/juce_WASAPI_windows.cpp
+++ b/modules/juce_audio_devices/native/juce_WASAPI_windows.cpp
@@ -564,13 +564,13 @@ private:
     {
         SessionEventCallback (WASAPIDeviceBase& d) : owner (d) {}
 
-        JUCE_COMRESULT OnDisplayNameChanged (LPCWSTR, LPCGUID)                 { return S_OK; }
-        JUCE_COMRESULT OnIconPathChanged (LPCWSTR, LPCGUID)                    { return S_OK; }
-        JUCE_COMRESULT OnSimpleVolumeChanged (float, BOOL, LPCGUID)            { return S_OK; }
-        JUCE_COMRESULT OnChannelVolumeChanged (DWORD, float*, DWORD, LPCGUID)  { return S_OK; }
-        JUCE_COMRESULT OnGroupingParamChanged (LPCGUID, LPCGUID)               { return S_OK; }
+        JUCE_COMRESULT OnDisplayNameChanged (LPCWSTR, LPCGUID)                 override { return S_OK; }
+        JUCE_COMRESULT OnIconPathChanged (LPCWSTR, LPCGUID)                    override { return S_OK; }
+        JUCE_COMRESULT OnSimpleVolumeChanged (float, BOOL, LPCGUID)            override { return S_OK; }
+        JUCE_COMRESULT OnChannelVolumeChanged (DWORD, float*, DWORD, LPCGUID)  override { return S_OK; }
+        JUCE_COMRESULT OnGroupingParamChanged (LPCGUID, LPCGUID)               override { return S_OK; }
 
-        JUCE_COMRESULT OnStateChanged (AudioSessionState state)
+        JUCE_COMRESULT OnStateChanged (AudioSessionState state) override
         {
             switch (state)
             {
@@ -588,7 +588,7 @@ private:
             return S_OK;
         }
 
-        JUCE_COMRESULT OnSessionDisconnected (AudioSessionDisconnectReason reason)
+        JUCE_COMRESULT OnSessionDisconnected (AudioSessionDisconnectReason reason) override
         {
             if (reason == DisconnectReasonFormatChanged)
                 owner.deviceSampleRateChanged();
@@ -833,7 +833,7 @@ private:
         return result;
     }
 
-    DWORD getStreamFlags()
+    DWORD getStreamFlags() const
     {
         DWORD streamFlags = 0x40000; /*AUDCLNT_STREAMFLAGS_EVENTCALLBACK*/
 
@@ -1199,8 +1199,8 @@ private:
 
 //==============================================================================
 class WASAPIAudioIODevice final : public AudioIODevice,
-                             public Thread,
-                             private AsyncUpdater
+                                  public Thread,
+                                  private AsyncUpdater
 {
 public:
     WASAPIAudioIODevice (const String& deviceName,
@@ -1821,11 +1821,11 @@ private:
         explicit ChangeNotificationClient (WASAPIAudioIODeviceType* d)
             : ComBaseClassHelper (0), device (d) {}
 
-        JUCE_COMRESULT OnDeviceAdded (LPCWSTR)                             { return notify(); }
-        JUCE_COMRESULT OnDeviceRemoved (LPCWSTR)                           { return notify(); }
-        JUCE_COMRESULT OnDeviceStateChanged (LPCWSTR, DWORD)               { return notify(); }
-        JUCE_COMRESULT OnDefaultDeviceChanged (EDataFlow, ERole, LPCWSTR)  { return notify(); }
-        JUCE_COMRESULT OnPropertyValueChanged (LPCWSTR, const PROPERTYKEY) { return notify(); }
+        JUCE_COMRESULT OnDeviceAdded (LPCWSTR)                             override { return notify(); }
+        JUCE_COMRESULT OnDeviceRemoved (LPCWSTR)                           override { return notify(); }
+        JUCE_COMRESULT OnDeviceStateChanged (LPCWSTR, DWORD)               override { return notify(); }
+        JUCE_COMRESULT OnDefaultDeviceChanged (EDataFlow, ERole, LPCWSTR)  override { return notify(); }
+        JUCE_COMRESULT OnPropertyValueChanged (LPCWSTR, const PROPERTYKEY) override { return notify(); }
 
     private:
         WeakReference<WASAPIAudioIODeviceType> device;
diff --git a/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp b/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp
index 1f18d5e14d..ef439f9fc7 100644
--- a/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp
+++ b/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp
@@ -37,15 +37,15 @@ public:
     {
     }
 
-    JUCE_COMRESULT Commit (DWORD)                        { return S_OK; }
-    JUCE_COMRESULT Write (const void*, ULONG, ULONG*)    { return E_NOTIMPL; }
-    JUCE_COMRESULT Clone (IStream**)                     { return E_NOTIMPL; }
-    JUCE_COMRESULT SetSize (ULARGE_INTEGER)              { return E_NOTIMPL; }
-    JUCE_COMRESULT Revert()                              { return E_NOTIMPL; }
-    JUCE_COMRESULT LockRegion (ULARGE_INTEGER, ULARGE_INTEGER, DWORD)    { return E_NOTIMPL; }
-    JUCE_COMRESULT UnlockRegion (ULARGE_INTEGER, ULARGE_INTEGER, DWORD)  { return E_NOTIMPL; }
+    JUCE_COMRESULT Commit (DWORD)                                        override { return S_OK; }
+    JUCE_COMRESULT Write (const void*, ULONG, ULONG*)                    override { return E_NOTIMPL; }
+    JUCE_COMRESULT Clone (IStream**)                                     override { return E_NOTIMPL; }
+    JUCE_COMRESULT SetSize (ULARGE_INTEGER)                              override { return E_NOTIMPL; }
+    JUCE_COMRESULT Revert()                                              override { return E_NOTIMPL; }
+    JUCE_COMRESULT LockRegion (ULARGE_INTEGER, ULARGE_INTEGER, DWORD)    override { return E_NOTIMPL; }
+    JUCE_COMRESULT UnlockRegion (ULARGE_INTEGER, ULARGE_INTEGER, DWORD)  override { return E_NOTIMPL; }
 
-    JUCE_COMRESULT Read (void* dest, ULONG numBytes, ULONG* bytesRead)
+    JUCE_COMRESULT Read (void* dest, ULONG numBytes, ULONG* bytesRead) override
     {
         auto numRead = source.read (dest, (size_t) numBytes);
 
@@ -55,7 +55,7 @@ public:
         return (numRead == (int) numBytes) ? S_OK : S_FALSE;
     }
 
-    JUCE_COMRESULT Seek (LARGE_INTEGER position, DWORD origin, ULARGE_INTEGER* resultPosition)
+    JUCE_COMRESULT Seek (LARGE_INTEGER position, DWORD origin, ULARGE_INTEGER* resultPosition) override
     {
         auto newPos = (int64) position.QuadPart;
 
@@ -80,7 +80,7 @@ public:
     }
 
     JUCE_COMRESULT CopyTo (IStream* destStream, ULARGE_INTEGER numBytesToDo,
-                           ULARGE_INTEGER* bytesRead, ULARGE_INTEGER* bytesWritten)
+                           ULARGE_INTEGER* bytesRead, ULARGE_INTEGER* bytesWritten) override
     {
         uint64 totalCopied = 0;
         auto numBytes = (int64) numBytesToDo.QuadPart;
@@ -105,7 +105,7 @@ public:
         return S_OK;
     }
 
-    JUCE_COMRESULT Stat (STATSTG* stat, DWORD)
+    JUCE_COMRESULT Stat (STATSTG* stat, DWORD) override
     {
         if (stat == nullptr)
             return STG_E_INVALIDPOINTER;
@@ -319,7 +319,7 @@ WindowsMediaAudioFormat::WindowsMediaAudioFormat()
 {
 }
 
-WindowsMediaAudioFormat::~WindowsMediaAudioFormat() {}
+WindowsMediaAudioFormat::~WindowsMediaAudioFormat() = default;
 
 Array<int> WindowsMediaAudioFormat::getPossibleSampleRates()    { return {}; }
 Array<int> WindowsMediaAudioFormat::getPossibleBitDepths()      { return {}; }
diff --git a/modules/juce_audio_processors/scanning/juce_PluginListComponent.cpp b/modules/juce_audio_processors/scanning/juce_PluginListComponent.cpp
index 2aaaaeb7a1..5c186e0c0b 100644
--- a/modules/juce_audio_processors/scanning/juce_PluginListComponent.cpp
+++ b/modules/juce_audio_processors/scanning/juce_PluginListComponent.cpp
@@ -613,7 +613,7 @@ private:
     {
         ScanJob (Scanner& s)  : ThreadPoolJob ("pluginscan"), scanner (s) {}
 
-        JobStatus runJob()
+        JobStatus runJob() override
         {
             while (scanner.doNextScan() && ! shouldExit())
             {}
diff --git a/modules/juce_audio_utils/native/juce_AudioCDBurner_windows.cpp b/modules/juce_audio_utils/native/juce_AudioCDBurner_windows.cpp
index fa634f5602..224cd69189 100644
--- a/modules/juce_audio_utils/native/juce_AudioCDBurner_windows.cpp
+++ b/modules/juce_audio_utils/native/juce_AudioCDBurner_windows.cpp
@@ -87,7 +87,7 @@ namespace CDBurnerHelpers
 }
 
 //==============================================================================
-class AudioCDBurner::Pimpl  : public ComBaseClassHelper <IDiscMasterProgressEvents>,
+class AudioCDBurner::Pimpl  : public ComBaseClassHelper<IDiscMasterProgressEvents>,
                               public Timer
 {
 public:
@@ -104,8 +104,6 @@ public:
         startTimer (2000);
     }
 
-    ~Pimpl()  {}
-
     void releaseObjects()
     {
         discRecorder->Close();
@@ -116,7 +114,7 @@ public:
         Release();
     }
 
-    JUCE_COMRESULT QueryCancel (boolean* pbCancel)
+    JUCE_COMRESULT QueryCancel (boolean* pbCancel) override
     {
         if (listener != nullptr && ! shouldCancel)
             shouldCancel = listener->audioCDBurnProgress (progress);
@@ -126,7 +124,7 @@ public:
         return S_OK;
     }
 
-    JUCE_COMRESULT NotifyBlockProgress (long nCompleted, long nTotal)
+    JUCE_COMRESULT NotifyBlockProgress (long nCompleted, long nTotal) override
     {
         progress = nCompleted / (float) nTotal;
         shouldCancel = listener != nullptr && listener->audioCDBurnProgress (progress);
@@ -134,13 +132,13 @@ public:
         return E_NOTIMPL;
     }
 
-    JUCE_COMRESULT NotifyPnPActivity (void)                              { return E_NOTIMPL; }
-    JUCE_COMRESULT NotifyAddProgress (long /*nCompletedSteps*/, long /*nTotalSteps*/)    { return E_NOTIMPL; }
-    JUCE_COMRESULT NotifyTrackProgress (long /*nCurrentTrack*/, long /*nTotalTracks*/)   { return E_NOTIMPL; }
-    JUCE_COMRESULT NotifyPreparingBurn (long /*nEstimatedSeconds*/)      { return E_NOTIMPL; }
-    JUCE_COMRESULT NotifyClosingDisc (long /*nEstimatedSeconds*/)        { return E_NOTIMPL; }
-    JUCE_COMRESULT NotifyBurnComplete (HRESULT /*status*/)               { return E_NOTIMPL; }
-    JUCE_COMRESULT NotifyEraseComplete (HRESULT /*status*/)              { return E_NOTIMPL; }
+    JUCE_COMRESULT NotifyPnPActivity (void)                                            override  { return E_NOTIMPL; }
+    JUCE_COMRESULT NotifyAddProgress (long /*nCompletedSteps*/, long /*nTotalSteps*/)  override  { return E_NOTIMPL; }
+    JUCE_COMRESULT NotifyTrackProgress (long /*nCurrentTrack*/, long /*nTotalTracks*/) override  { return E_NOTIMPL; }
+    JUCE_COMRESULT NotifyPreparingBurn (long /*nEstimatedSeconds*/)                    override  { return E_NOTIMPL; }
+    JUCE_COMRESULT NotifyClosingDisc (long /*nEstimatedSeconds*/)                      override  { return E_NOTIMPL; }
+    JUCE_COMRESULT NotifyBurnComplete (HRESULT /*status*/)                             override  { return E_NOTIMPL; }
+    JUCE_COMRESULT NotifyEraseComplete (HRESULT /*status*/)                            override  { return E_NOTIMPL; }
 
     class ScopedDiscOpener
     {
@@ -173,30 +171,34 @@ public:
         return readOnlyDiskPresent;
     }
 
-    int getIntProperty (const LPOLESTR name, const int defaultReturn) const
+    int getIntProperty (const wchar_t* name, const int defaultReturn) const
     {
+        std::wstring copy { name };
+
         ComSmartPtr<IPropertyStorage> prop;
         if (FAILED (discRecorder->GetRecorderProperties (prop.resetAndGetPointerAddress())))
             return defaultReturn;
 
         PROPSPEC iPropSpec;
         iPropSpec.ulKind = PRSPEC_LPWSTR;
-        iPropSpec.lpwstr = name;
+        iPropSpec.lpwstr = copy.data();
 
         PROPVARIANT iPropVariant;
         return FAILED (prop->ReadMultiple (1, &iPropSpec, &iPropVariant))
                    ? defaultReturn : (int) iPropVariant.lVal;
     }
 
-    bool setIntProperty (const LPOLESTR name, const int value) const
+    bool setIntProperty (const wchar_t* name, const int value) const
     {
+        std::wstring copy { name };
+
         ComSmartPtr<IPropertyStorage> prop;
         if (FAILED (discRecorder->GetRecorderProperties (prop.resetAndGetPointerAddress())))
             return false;
 
         PROPSPEC iPropSpec;
         iPropSpec.ulKind = PRSPEC_LPWSTR;
-        iPropSpec.lpwstr = name;
+        iPropSpec.lpwstr = copy.data();
 
         PROPVARIANT iPropVariant;
         if (FAILED (prop->ReadMultiple (1, &iPropSpec, &iPropVariant)))
@@ -389,7 +391,7 @@ bool AudioCDBurner::addAudioTrack (AudioSource* audioSource, int numSamples)
         buffer.clear (bytesPerBlock);
 
         AudioData::interleaveSamples (AudioData::NonInterleavedSource<AudioData::Float32, AudioData::NativeEndian> { sourceBuffer.getArrayOfReadPointers(), 2 },
-                                      AudioData::InterleavedDest<AudioData::Int16, Audiodata::LittleEndian>        { reinterpret_cast<uint16*> (buffer),    2 },
+                                      AudioData::InterleavedDest<AudioData::Int16, AudioData::LittleEndian>        { reinterpret_cast<uint16*> (buffer.get()), 2 },
                                       samplesPerBlock);
 
         hr = pimpl->redbook->AddAudioTrackBlocks (buffer, bytesPerBlock);
diff --git a/modules/juce_audio_utils/native/juce_AudioCDReader_windows.cpp b/modules/juce_audio_utils/native/juce_AudioCDReader_windows.cpp
index a98e1f9c0e..44ff2c5626 100644
--- a/modules/juce_audio_utils/native/juce_AudioCDReader_windows.cpp
+++ b/modules/juce_audio_utils/native/juce_AudioCDReader_windows.cpp
@@ -324,9 +324,9 @@ void findCDDevices (Array<CDDeviceDescription>& list)
 
             if (h != INVALID_HANDLE_VALUE)
             {
-                char buffer[100] = { 0 };
+                char buffer[100]{};
 
-                SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER p = { 0 };
+                SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER p{};
                 p.spt.Length             = sizeof (SCSI_PASS_THROUGH);
                 p.spt.CdbLength          = 6;
                 p.spt.SenseInfoLength    = 24;
@@ -348,7 +348,7 @@ void findCDDevices (Array<CDDeviceDescription>& list)
                     dev.scsiDriveLetter = driveLetter;
                     dev.createDescription (buffer);
 
-                    SCSI_ADDRESS scsiAddr = { 0 };
+                    SCSI_ADDRESS scsiAddr{};
                     scsiAddr.Length = sizeof (scsiAddr);
 
                     if (DeviceIoControl (h, IOCTL_SCSI_GET_ADDRESS,
@@ -371,7 +371,7 @@ void findCDDevices (Array<CDDeviceDescription>& list)
 DWORD performScsiPassThroughCommand (SRB_ExecSCSICmd* const srb, const char driveLetter,
                                      HANDLE& deviceHandle, const bool retryOnFailure)
 {
-    SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER s = { 0 };
+    SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER s{};
     s.spt.Length = sizeof (SCSI_PASS_THROUGH);
     s.spt.CdbLength = srb->SRB_CDBLen;
 
@@ -798,7 +798,7 @@ int CDController::getLastIndex()
 //==============================================================================
 bool CDDeviceHandle::readTOC (TOC* lpToc)
 {
-    SRB_ExecSCSICmd s = { 0 };
+    SRB_ExecSCSICmd s{};
     s.SRB_Cmd = SC_EXEC_SCSI_CMD;
     s.SRB_HaID = info.ha;
     s.SRB_Target = info.tgt;
@@ -872,7 +872,7 @@ void CDDeviceHandle::openDrawer (bool shouldBeOpen)
         }
     }
 
-    SRB_ExecSCSICmd s = { 0 };
+    SRB_ExecSCSICmd s{};
     s.SRB_Cmd = SC_EXEC_SCSI_CMD;
     s.SRB_HaID = info.ha;
     s.SRB_Target = info.tgt;
@@ -1134,7 +1134,7 @@ bool AudioCDReader::readSamples (int* const* destSamples, int numDestChannels, i
 bool AudioCDReader::isCDStillPresent() const
 {
     using namespace CDReaderHelpers;
-    TOC toc = { 0 };
+    TOC toc{};
     return static_cast<CDDeviceWrapper*> (handle)->deviceHandle.readTOC (&toc);
 }
 
@@ -1144,7 +1144,7 @@ void AudioCDReader::refreshTrackLengths()
     trackStartSamples.clear();
     zeromem (audioTracks, sizeof (audioTracks));
 
-    TOC toc = { 0 };
+    TOC toc{};
 
     if (static_cast<CDDeviceWrapper*> (handle)->deviceHandle.readTOC (&toc))
     {
diff --git a/modules/juce_box2d/juce_box2d.cpp b/modules/juce_box2d/juce_box2d.cpp
index bd5181a756..0c762be354 100644
--- a/modules/juce_box2d/juce_box2d.cpp
+++ b/modules/juce_box2d/juce_box2d.cpp
@@ -44,7 +44,8 @@ JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wcast-align",
                                      "-Wswitch-default",
                                      "-Wswitch-enum",
                                      "-Wunused-but-set-variable",
-                                     "-Wzero-as-null-pointer-constant")
+                                     "-Wzero-as-null-pointer-constant",
+                                     "-Wsuggest-override")
 
 #include <cstdarg>
 
diff --git a/modules/juce_box2d/juce_box2d.h b/modules/juce_box2d/juce_box2d.h
index f95f6973d2..df25f6bc3e 100644
--- a/modules/juce_box2d/juce_box2d.h
+++ b/modules/juce_box2d/juce_box2d.h
@@ -61,7 +61,8 @@ JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wconversion",
                                      "-Wmaybe-uninitialized",
                                      "-Wshadow-field",
                                      "-Wsign-conversion",
-                                     "-Wzero-as-null-pointer-constant")
+                                     "-Wzero-as-null-pointer-constant",
+                                     "-Wsuggest-override")
 
 #include <climits>
 #include <cfloat>
diff --git a/modules/juce_core/containers/juce_AbstractFifo.cpp b/modules/juce_core/containers/juce_AbstractFifo.cpp
index f55d2d9158..5f180c300c 100644
--- a/modules/juce_core/containers/juce_AbstractFifo.cpp
+++ b/modules/juce_core/containers/juce_AbstractFifo.cpp
@@ -183,12 +183,12 @@ public:
             startThread();
         }
 
-        ~WriteThread()
+        ~WriteThread() override
         {
             stopThread (5000);
         }
 
-        void run()
+        void run() override
         {
             int n = 0;
 
diff --git a/modules/juce_core/maths/juce_Expression.cpp b/modules/juce_core/maths/juce_Expression.cpp
index 97a10bcdba..5360ebb2bd 100644
--- a/modules/juce_core/maths/juce_Expression.cpp
+++ b/modules/juce_core/maths/juce_Expression.cpp
@@ -110,13 +110,13 @@ struct Expression::Helpers
         Constant (double val, bool resolutionTarget)
             : value (val), isResolutionTarget (resolutionTarget) {}
 
-        Type getType() const noexcept                { return constantType; }
-        Term* clone() const                          { return new Constant (value, isResolutionTarget); }
-        TermPtr resolve (const Scope&, int)          { return *this; }
-        double toDouble() const                      { return value; }
-        TermPtr negated()                            { return *new Constant (-value, isResolutionTarget); }
+        Type getType() const noexcept override       { return constantType; }
+        Term* clone() const override                 { return new Constant (value, isResolutionTarget); }
+        TermPtr resolve (const Scope&, int) override { return *this; }
+        double toDouble() const override             { return value; }
+        TermPtr negated() override                   { return *new Constant (-value, isResolutionTarget); }
 
-        String toString() const
+        String toString() const override
         {
             String s (value);
             if (isResolutionTarget)
@@ -138,25 +138,25 @@ struct Expression::Helpers
             jassert (left != nullptr && right != nullptr);
         }
 
-        int getInputIndexFor (const Term* possibleInput) const
+        int getInputIndexFor (const Term* possibleInput) const override
         {
             return possibleInput == left ? 0 : (possibleInput == right ? 1 : -1);
         }
 
-        Type getType() const noexcept       { return operatorType; }
-        int getNumInputs() const            { return 2; }
-        Term* getInput (int index) const    { return index == 0 ? left.get() : (index == 1 ? right.get() : nullptr); }
+        Type getType() const noexcept override       { return operatorType; }
+        int getNumInputs() const override            { return 2; }
+        Term* getInput (int index) const override    { return index == 0 ? left.get() : (index == 1 ? right.get() : nullptr); }
 
         virtual double performFunction (double left, double right) const = 0;
         virtual void writeOperator (String& dest) const = 0;
 
-        TermPtr resolve (const Scope& scope, int recursionDepth)
+        TermPtr resolve (const Scope& scope, int recursionDepth) override
         {
             return *new Constant (performFunction (left ->resolve (scope, recursionDepth)->toDouble(),
                                                    right->resolve (scope, recursionDepth)->toDouble()), false);
         }
 
-        String toString() const
+        String toString() const override
         {
             String s;
             auto ourPrecendence = getOperatorPrecedence();
@@ -198,25 +198,25 @@ struct Expression::Helpers
     public:
         explicit SymbolTerm (const String& sym) : symbol (sym) {}
 
-        TermPtr resolve (const Scope& scope, int recursionDepth)
+        TermPtr resolve (const Scope& scope, int recursionDepth) override
         {
             checkRecursionDepth (recursionDepth);
             return scope.getSymbolValue (symbol).term->resolve (scope, recursionDepth + 1);
         }
 
-        Type getType() const noexcept   { return symbolType; }
-        Term* clone() const             { return new SymbolTerm (symbol); }
-        String toString() const         { return symbol; }
-        String getName() const          { return symbol; }
+        Type getType() const noexcept override   { return symbolType; }
+        Term* clone() const override             { return new SymbolTerm (symbol); }
+        String toString() const override         { return symbol; }
+        String getName() const override          { return symbol; }
 
-        void visitAllSymbols (SymbolVisitor& visitor, const Scope& scope, int recursionDepth)
+        void visitAllSymbols (SymbolVisitor& visitor, const Scope& scope, int recursionDepth) override
         {
             checkRecursionDepth (recursionDepth);
             visitor.useSymbol (Symbol (scope.getScopeUID(), symbol));
             scope.getSymbolValue (symbol).term->visitAllSymbols (visitor, scope, recursionDepth + 1);
         }
 
-        void renameSymbol (const Symbol& oldSymbol, const String& newName, const Scope& scope, int /*recursionDepth*/)
+        void renameSymbol (const Symbol& oldSymbol, const String& newName, const Scope& scope, int /*recursionDepth*/) override
         {
             if (oldSymbol.symbolName == symbol && scope.getScopeUID() == oldSymbol.scopeUID)
                 symbol = newName;
@@ -235,13 +235,13 @@ struct Expression::Helpers
             : functionName (name), parameters (params)
         {}
 
-        Type getType() const noexcept   { return functionType; }
-        Term* clone() const             { return new Function (functionName, parameters); }
-        int getNumInputs() const        { return parameters.size(); }
-        Term* getInput (int i) const    { return parameters.getReference (i).term.get(); }
-        String getName() const          { return functionName; }
+        Type getType() const noexcept override   { return functionType; }
+        Term* clone() const override             { return new Function (functionName, parameters); }
+        int getNumInputs() const override        { return parameters.size(); }
+        Term* getInput (int i) const override    { return parameters.getReference (i).term.get(); }
+        String getName() const override          { return functionName; }
 
-        TermPtr resolve (const Scope& scope, int recursionDepth)
+        TermPtr resolve (const Scope& scope, int recursionDepth) override
         {
             checkRecursionDepth (recursionDepth);
             double result = 0;
@@ -264,7 +264,7 @@ struct Expression::Helpers
             return *new Constant (result, false);
         }
 
-        int getInputIndexFor (const Term* possibleInput) const
+        int getInputIndexFor (const Term* possibleInput) const override
         {
             for (int i = 0; i < parameters.size(); ++i)
                 if (parameters.getReference (i).term == possibleInput)
@@ -273,7 +273,7 @@ struct Expression::Helpers
             return -1;
         }
 
-        String toString() const
+        String toString() const override
         {
             if (parameters.size() == 0)
                 return functionName + "()";
@@ -302,7 +302,7 @@ struct Expression::Helpers
     public:
         DotOperator (SymbolTerm* l, TermPtr r)  : BinaryTerm (TermPtr (l), r) {}
 
-        TermPtr resolve (const Scope& scope, int recursionDepth)
+        TermPtr resolve (const Scope& scope, int recursionDepth) override
         {
             checkRecursionDepth (recursionDepth);
 
@@ -311,13 +311,13 @@ struct Expression::Helpers
             return visitor.output;
         }
 
-        Term* clone() const                             { return new DotOperator (getSymbol(), *right); }
-        String getName() const                          { return "."; }
-        int getOperatorPrecedence() const               { return 1; }
-        void writeOperator (String& dest) const         { dest << '.'; }
-        double performFunction (double, double) const   { return 0.0; }
+        Term* clone() const override                             { return new DotOperator (getSymbol(), *right); }
+        String getName() const override                          { return "."; }
+        int getOperatorPrecedence() const override               { return 1; }
+        void writeOperator (String& dest) const override         { dest << '.'; }
+        double performFunction (double, double) const override   { return 0.0; }
 
-        void visitAllSymbols (SymbolVisitor& visitor, const Scope& scope, int recursionDepth)
+        void visitAllSymbols (SymbolVisitor& visitor, const Scope& scope, int recursionDepth) override
         {
             checkRecursionDepth (recursionDepth);
             visitor.useSymbol (Symbol (scope.getScopeUID(), getSymbol()->symbol));
@@ -331,7 +331,7 @@ struct Expression::Helpers
             catch (...) {}
         }
 
-        void renameSymbol (const Symbol& oldSymbol, const String& newName, const Scope& scope, int recursionDepth)
+        void renameSymbol (const Symbol& oldSymbol, const String& newName, const Scope& scope, int recursionDepth) override
         {
             checkRecursionDepth (recursionDepth);
             getSymbol()->renameSymbol (oldSymbol, newName, scope, recursionDepth);
@@ -353,7 +353,7 @@ struct Expression::Helpers
             EvaluationVisitor (const TermPtr& t, const int recursion)
                 : input (t), output (t), recursionCount (recursion) {}
 
-            void visit (const Scope& scope)   { output = input->resolve (scope, recursionCount); }
+            void visit (const Scope& scope) override   { output = input->resolve (scope, recursionCount); }
 
             const TermPtr input;
             TermPtr output;
@@ -369,7 +369,7 @@ struct Expression::Helpers
             SymbolVisitingVisitor (const TermPtr& t, SymbolVisitor& v, const int recursion)
                 : input (t), visitor (v), recursionCount (recursion) {}
 
-            void visit (const Scope& scope)   { input->visitAllSymbols (visitor, scope, recursionCount); }
+            void visit (const Scope& scope) override   { input->visitAllSymbols (visitor, scope, recursionCount); }
 
         private:
             const TermPtr input;
@@ -385,7 +385,7 @@ struct Expression::Helpers
             SymbolRenamingVisitor (const TermPtr& t, const Expression::Symbol& symbol_, const String& newName_, const int recursionCount_)
                 : input (t), symbol (symbol_), newName (newName_), recursionCount (recursionCount_)  {}
 
-            void visit (const Scope& scope)   { input->renameSymbol (symbol, newName, scope, recursionCount); }
+            void visit (const Scope& scope) override   { input->renameSymbol (symbol, newName, scope, recursionCount); }
 
         private:
             const TermPtr input;
@@ -410,21 +410,21 @@ struct Expression::Helpers
             jassert (t != nullptr);
         }
 
-        Type getType() const noexcept                           { return operatorType; }
-        int getInputIndexFor (const Term* possibleInput) const  { return possibleInput == input ? 0 : -1; }
-        int getNumInputs() const                                { return 1; }
-        Term* getInput (int index) const                        { return index == 0 ? input.get() : nullptr; }
-        Term* clone() const                                     { return new Negate (*input->clone()); }
+        Type getType() const noexcept override                           { return operatorType; }
+        int getInputIndexFor (const Term* possibleInput) const override  { return possibleInput == input ? 0 : -1; }
+        int getNumInputs() const override                                { return 1; }
+        Term* getInput (int index) const override                        { return index == 0 ? input.get() : nullptr; }
+        Term* clone() const override                                     { return new Negate (*input->clone()); }
 
-        TermPtr resolve (const Scope& scope, int recursionDepth)
+        TermPtr resolve (const Scope& scope, int recursionDepth) override
         {
             return *new Constant (-input->resolve (scope, recursionDepth)->toDouble(), false);
         }
 
-        String getName() const          { return "-"; }
-        TermPtr negated()               { return input; }
+        String getName() const override          { return "-"; }
+        TermPtr negated() override               { return input; }
 
-        TermPtr createTermToEvaluateInput (const Scope& scope, [[maybe_unused]] const Term* t, double overallTarget, Term* topLevelTerm) const
+        TermPtr createTermToEvaluateInput (const Scope& scope, [[maybe_unused]] const Term* t, double overallTarget, Term* topLevelTerm) const override
         {
             jassert (t == input);
 
@@ -434,7 +434,7 @@ struct Expression::Helpers
                                                 : dest->createTermToEvaluateInput (scope, this, overallTarget, topLevelTerm));
         }
 
-        String toString() const
+        String toString() const override
         {
             if (input->getOperatorPrecedence() > 0)
                 return "-(" + input->toString() + ")";
@@ -452,13 +452,13 @@ struct Expression::Helpers
     public:
         Add (TermPtr l, TermPtr r) : BinaryTerm (l, r) {}
 
-        Term* clone() const                     { return new Add (*left->clone(), *right->clone()); }
-        double performFunction (double lhs, double rhs) const    { return lhs + rhs; }
-        int getOperatorPrecedence() const       { return 3; }
-        String getName() const                  { return "+"; }
-        void writeOperator (String& dest) const { dest << " + "; }
+        Term* clone() const override                                        { return new Add (*left->clone(), *right->clone()); }
+        double performFunction (double lhs, double rhs) const override      { return lhs + rhs; }
+        int getOperatorPrecedence() const override                          { return 3; }
+        String getName() const override                                     { return "+"; }
+        void writeOperator (String& dest) const override                    { dest << " + "; }
 
-        TermPtr createTermToEvaluateInput (const Scope& scope, const Term* input, double overallTarget, Term* topLevelTerm) const
+        TermPtr createTermToEvaluateInput (const Scope& scope, const Term* input, double overallTarget, Term* topLevelTerm) const override
         {
             if (auto newDest = createDestinationTerm (scope, input, overallTarget, topLevelTerm))
                 return *new Subtract (newDest, *(input == left ? right : left)->clone());
@@ -476,13 +476,13 @@ struct Expression::Helpers
     public:
         Subtract (TermPtr l, TermPtr r) : BinaryTerm (l, r) {}
 
-        Term* clone() const                     { return new Subtract (*left->clone(), *right->clone()); }
-        double performFunction (double lhs, double rhs) const    { return lhs - rhs; }
-        int getOperatorPrecedence() const       { return 3; }
-        String getName() const                  { return "-"; }
-        void writeOperator (String& dest) const { dest << " - "; }
+        Term* clone() const override                                     { return new Subtract (*left->clone(), *right->clone()); }
+        double performFunction (double lhs, double rhs) const override   { return lhs - rhs; }
+        int getOperatorPrecedence() const override                       { return 3; }
+        String getName() const override                                  { return "-"; }
+        void writeOperator (String& dest) const override                 { dest << " - "; }
 
-        TermPtr createTermToEvaluateInput (const Scope& scope, const Term* input, double overallTarget, Term* topLevelTerm) const
+        TermPtr createTermToEvaluateInput (const Scope& scope, const Term* input, double overallTarget, Term* topLevelTerm) const override
         {
             if (auto newDest = createDestinationTerm (scope, input, overallTarget, topLevelTerm))
             {
@@ -505,13 +505,13 @@ struct Expression::Helpers
     public:
         Multiply (TermPtr l, TermPtr r) : BinaryTerm (l, r) {}
 
-        Term* clone() const                     { return new Multiply (*left->clone(), *right->clone()); }
-        double performFunction (double lhs, double rhs) const    { return lhs * rhs; }
-        String getName() const                  { return "*"; }
-        void writeOperator (String& dest) const { dest << " * "; }
-        int getOperatorPrecedence() const       { return 2; }
+        Term* clone() const override                                     { return new Multiply (*left->clone(), *right->clone()); }
+        double performFunction (double lhs, double rhs) const override   { return lhs * rhs; }
+        String getName() const override                                  { return "*"; }
+        void writeOperator (String& dest) const override                 { dest << " * "; }
+        int getOperatorPrecedence() const override                       { return 2; }
 
-        TermPtr createTermToEvaluateInput (const Scope& scope, const Term* input, double overallTarget, Term* topLevelTerm) const
+        TermPtr createTermToEvaluateInput (const Scope& scope, const Term* input, double overallTarget, Term* topLevelTerm) const override
         {
             if (auto newDest = createDestinationTerm (scope, input, overallTarget, topLevelTerm))
                 return *new Divide (newDest, *(input == left ? right : left)->clone());
@@ -528,13 +528,13 @@ struct Expression::Helpers
     public:
         Divide (TermPtr l, TermPtr r) : BinaryTerm (l, r) {}
 
-        Term* clone() const                     { return new Divide (*left->clone(), *right->clone()); }
-        double performFunction (double lhs, double rhs) const    { return lhs / rhs; }
-        String getName() const                  { return "/"; }
-        void writeOperator (String& dest) const { dest << " / "; }
-        int getOperatorPrecedence() const       { return 2; }
+        Term* clone() const override                                     { return new Divide (*left->clone(), *right->clone()); }
+        double performFunction (double lhs, double rhs) const override   { return lhs / rhs; }
+        String getName() const override                                  { return "/"; }
+        void writeOperator (String& dest) const override                 { dest << " / "; }
+        int getOperatorPrecedence() const override                       { return 2; }
 
-        TermPtr createTermToEvaluateInput (const Scope& scope, const Term* input, double overallTarget, Term* topLevelTerm) const
+        TermPtr createTermToEvaluateInput (const Scope& scope, const Term* input, double overallTarget, Term* topLevelTerm) const override
         {
             auto newDest = createDestinationTerm (scope, input, overallTarget, topLevelTerm);
 
@@ -625,7 +625,7 @@ struct Expression::Helpers
     {
     public:
         SymbolCheckVisitor (const Symbol& s) : symbol (s) {}
-        void useSymbol (const Symbol& s)    { wasFound = wasFound || s == symbol; }
+        void useSymbol (const Symbol& s) override    { wasFound = wasFound || s == symbol; }
 
         bool wasFound = false;
 
@@ -640,7 +640,7 @@ struct Expression::Helpers
     {
     public:
         SymbolListVisitor (Array<Symbol>& list_) : list (list_) {}
-        void useSymbol (const Symbol& s)    { list.addIfNotAlreadyThere (s); }
+        void useSymbol (const Symbol& s) override    { list.addIfNotAlreadyThere (s); }
 
     private:
         Array<Symbol>& list;
diff --git a/modules/juce_core/native/juce_ComSmartPtr_windows.h b/modules/juce_core/native/juce_ComSmartPtr_windows.h
index ce5f141595..0a24a7c233 100644
--- a/modules/juce_core/native/juce_ComSmartPtr_windows.h
+++ b/modules/juce_core/native/juce_ComSmartPtr_windows.h
@@ -167,13 +167,13 @@ public:
     ComBaseClassHelperBase (unsigned int initialRefCount)  : refCount (initialRefCount) {}
     virtual ~ComBaseClassHelperBase() = default;
 
-    ULONG STDMETHODCALLTYPE AddRef()    { return ++refCount; }
-    ULONG STDMETHODCALLTYPE Release()   { auto r = --refCount; if (r == 0) delete this; return r; }
+    ULONG STDMETHODCALLTYPE AddRef()    override { return ++refCount; }
+    ULONG STDMETHODCALLTYPE Release()   override { auto r = --refCount; if (r == 0) delete this; return r; }
 
 protected:
     ULONG refCount;
 
-    JUCE_COMRESULT QueryInterface (REFIID refId, void** result)
+    JUCE_COMRESULT QueryInterface (REFIID refId, void** result) override
     {
         if (refId == __uuidof (IUnknown))
             return castToType<First> (result);
@@ -203,7 +203,7 @@ public:
     explicit ComBaseClassHelper (unsigned int initialRefCount = 1)
         : ComBaseClassHelperBase<ComClasses...> (initialRefCount) {}
 
-    JUCE_COMRESULT QueryInterface (REFIID refId, void** result)
+    JUCE_COMRESULT QueryInterface (REFIID refId, void** result) override
     {
         const std::tuple<IID, void*> bases[]
         {
diff --git a/modules/juce_dsp/containers/juce_SIMDRegister_test.cpp b/modules/juce_dsp/containers/juce_SIMDRegister_test.cpp
index c7e64e064a..acdcd2175f 100644
--- a/modules/juce_dsp/containers/juce_SIMDRegister_test.cpp
+++ b/modules/juce_dsp/containers/juce_SIMDRegister_test.cpp
@@ -845,7 +845,7 @@ public:
         TheTest::run (*this, random, Tag<int64_t>{});
     }
 
-    void runTest()
+    void runTest() override
     {
         runTestForAllTypes ("InitializationTest", InitializationTest{});
 
diff --git a/modules/juce_graphics/native/juce_DirectWriteTypeface_windows.cpp b/modules/juce_graphics/native/juce_DirectWriteTypeface_windows.cpp
index 6c7dbe5585..34f620663d 100644
--- a/modules/juce_graphics/native/juce_DirectWriteTypeface_windows.cpp
+++ b/modules/juce_graphics/native/juce_DirectWriteTypeface_windows.cpp
@@ -212,11 +212,11 @@ public:
     bool loadedOk() const noexcept          { return dwFontFace != nullptr; }
     BOOL isFontFound() const noexcept       { return fontFound; }
 
-    float getAscent() const                 { return ascent; }
-    float getDescent() const                { return 1.0f - ascent; }
-    float getHeightToPointsFactor() const   { return heightToPointsFactor; }
+    float getAscent() const                 override { return ascent; }
+    float getDescent() const                override { return 1.0f - ascent; }
+    float getHeightToPointsFactor() const   override { return heightToPointsFactor; }
 
-    float getStringWidth (const String& text)
+    float getStringWidth (const String& text) override
     {
         auto textUTF32 = text.toUTF32();
         auto len = textUTF32.length();
@@ -235,7 +235,7 @@ public:
         return x * unitsToHeightScaleFactor;
     }
 
-    void getGlyphPositions (const String& text, Array<int>& resultGlyphs, Array<float>& xOffsets)
+    void getGlyphPositions (const String& text, Array<int>& resultGlyphs, Array<float>& xOffsets) override
     {
         xOffsets.add (0);
 
@@ -257,7 +257,7 @@ public:
         }
     }
 
-    bool getOutlineForGlyph (int glyphNumber, Path& path)
+    bool getOutlineForGlyph (int glyphNumber, Path& path) override
     {
         jassert (path.isEmpty());  // we might need to apply a transform to the path, so this must be empty
         auto glyphIndex = (UINT16) glyphNumber;
diff --git a/modules/juce_graphics/native/juce_Fonts_freetype.cpp b/modules/juce_graphics/native/juce_Fonts_freetype.cpp
index f12e3af304..70c766fe5b 100644
--- a/modules/juce_graphics/native/juce_Fonts_freetype.cpp
+++ b/modules/juce_graphics/native/juce_Fonts_freetype.cpp
@@ -335,7 +335,7 @@ public:
                             L' ');
     }
 
-    bool loadGlyphIfPossible (const juce_wchar character)
+    bool loadGlyphIfPossible (const juce_wchar character) override
     {
         if (faceWrapper != nullptr)
         {
diff --git a/modules/juce_graphics/native/juce_Fonts_windows.cpp b/modules/juce_graphics/native/juce_Fonts_windows.cpp
index 5691d8dd73..5e010b17ee 100644
--- a/modules/juce_graphics/native/juce_Fonts_windows.cpp
+++ b/modules/juce_graphics/native/juce_Fonts_windows.cpp
@@ -334,7 +334,7 @@ public:
         loadFont();
     }
 
-    ~WindowsTypeface()
+    ~WindowsTypeface() override
     {
         SelectObject (dc, previousFontH); // Replacing the previous font before deleting the DC avoids a warning in BoundsChecker
         DeleteDC (dc);
@@ -346,11 +346,11 @@ public:
             RemoveFontMemResourceEx (memoryFont);
     }
 
-    float getAscent() const                 { return ascent; }
-    float getDescent() const                { return 1.0f - ascent; }
-    float getHeightToPointsFactor() const   { return heightToPointsFactor; }
+    float getAscent() const                 override { return ascent; }
+    float getDescent() const                override { return 1.0f - ascent; }
+    float getHeightToPointsFactor() const   override { return heightToPointsFactor; }
 
-    float getStringWidth (const String& text)
+    float getStringWidth (const String& text) override
     {
         auto utf16 = text.toUTF16();
         auto numChars = utf16.length();
@@ -367,7 +367,7 @@ public:
         return x;
     }
 
-    void getGlyphPositions (const String& text, Array<int>& resultGlyphs, Array<float>& xOffsets)
+    void getGlyphPositions (const String& text, Array<int>& resultGlyphs, Array<float>& xOffsets) override
     {
         auto utf16 = text.toUTF16();
         auto numChars = utf16.length();
@@ -391,7 +391,7 @@ public:
         xOffsets.add (x);
     }
 
-    bool getOutlineForGlyph (int glyphNumber, Path& glyphPath)
+    bool getOutlineForGlyph (int glyphNumber, Path& glyphPath) override
     {
         if (glyphNumber < 0)
             glyphNumber = defaultGlyph;
diff --git a/modules/juce_gui_basics/layout/juce_TabbedComponent.cpp b/modules/juce_gui_basics/layout/juce_TabbedComponent.cpp
index d4caa60f02..421fdd9685 100644
--- a/modules/juce_gui_basics/layout/juce_TabbedComponent.cpp
+++ b/modules/juce_gui_basics/layout/juce_TabbedComponent.cpp
@@ -60,12 +60,12 @@ struct TabbedComponent::ButtonBar final : public TabbedButtonBar
     {
     }
 
-    void currentTabChanged (int newCurrentTabIndex, const String& newTabName)
+    void currentTabChanged (int newCurrentTabIndex, const String& newTabName) override
     {
         owner.changeCallback (newCurrentTabIndex, newTabName);
     }
 
-    void popupMenuClickOnTab (int tabIndex, const String& tabName)
+    void popupMenuClickOnTab (int tabIndex, const String& tabName) override
     {
         owner.popupMenuClickOnTab (tabIndex, tabName);
     }
@@ -75,7 +75,7 @@ struct TabbedComponent::ButtonBar final : public TabbedButtonBar
         return owner.tabs->getTabBackgroundColour (tabIndex);
     }
 
-    TabBarButton* createTabButton (const String& tabName, int tabIndex)
+    TabBarButton* createTabButton (const String& tabName, int tabIndex) override
     {
         return owner.createTabButton (tabName, tabIndex);
     }
diff --git a/modules/juce_gui_basics/native/juce_DragAndDrop_windows.cpp b/modules/juce_gui_basics/native/juce_DragAndDrop_windows.cpp
index bf9154ce22..011db44d74 100644
--- a/modules/juce_gui_basics/native/juce_DragAndDrop_windows.cpp
+++ b/modules/juce_gui_basics/native/juce_DragAndDrop_windows.cpp
@@ -31,7 +31,7 @@ namespace DragAndDropHelpers
     //==============================================================================
     struct JuceDropSource final : public ComBaseClassHelper<IDropSource>
     {
-        JuceDropSource() {}
+        JuceDropSource() = default;
 
         JUCE_COMRESULT QueryContinueDrag (BOOL escapePressed, DWORD keys) override
         {
@@ -123,7 +123,7 @@ namespace DragAndDropHelpers
     };
 
     //==============================================================================
-    class JuceDataObject final : public ComBaseClassHelper <IDataObject>
+    class JuceDataObject final : public ComBaseClassHelper<IDataObject>
     {
     public:
         JuceDataObject (const FORMATETC* f, const STGMEDIUM* m)
@@ -131,12 +131,12 @@ namespace DragAndDropHelpers
         {
         }
 
-        ~JuceDataObject()
+        ~JuceDataObject() override
         {
             jassert (refCount == 0);
         }
 
-        JUCE_COMRESULT GetData (FORMATETC* pFormatEtc, STGMEDIUM* pMedium)
+        JUCE_COMRESULT GetData (FORMATETC* pFormatEtc, STGMEDIUM* pMedium) override
         {
             if ((pFormatEtc->tymed & format->tymed) != 0
                  && pFormatEtc->cfFormat == format->cfFormat
@@ -164,7 +164,7 @@ namespace DragAndDropHelpers
             return DV_E_FORMATETC;
         }
 
-        JUCE_COMRESULT QueryGetData (FORMATETC* f)
+        JUCE_COMRESULT QueryGetData (FORMATETC* f) override
         {
             if (f == nullptr)
                 return E_INVALIDARG;
@@ -177,13 +177,13 @@ namespace DragAndDropHelpers
             return DV_E_FORMATETC;
         }
 
-        JUCE_COMRESULT GetCanonicalFormatEtc (FORMATETC*, FORMATETC* pFormatEtcOut)
+        JUCE_COMRESULT GetCanonicalFormatEtc (FORMATETC*, FORMATETC* pFormatEtcOut) override
         {
             pFormatEtcOut->ptd = nullptr;
             return E_NOTIMPL;
         }
 
-        JUCE_COMRESULT EnumFormatEtc (DWORD direction, IEnumFORMATETC** result)
+        JUCE_COMRESULT EnumFormatEtc (DWORD direction, IEnumFORMATETC** result) override
         {
             if (result == nullptr)
                 return E_POINTER;
@@ -198,11 +198,11 @@ namespace DragAndDropHelpers
             return E_NOTIMPL;
         }
 
-        JUCE_COMRESULT GetDataHere (FORMATETC*, STGMEDIUM*)                  { return DATA_E_FORMATETC; }
-        JUCE_COMRESULT SetData (FORMATETC*, STGMEDIUM*, BOOL)                { return E_NOTIMPL; }
-        JUCE_COMRESULT DAdvise (FORMATETC*, DWORD, IAdviseSink*, DWORD*)     { return OLE_E_ADVISENOTSUPPORTED; }
-        JUCE_COMRESULT DUnadvise (DWORD)                                     { return E_NOTIMPL; }
-        JUCE_COMRESULT EnumDAdvise (IEnumSTATDATA**)                         { return OLE_E_ADVISENOTSUPPORTED; }
+        JUCE_COMRESULT GetDataHere (FORMATETC*, STGMEDIUM*)                  override { return DATA_E_FORMATETC; }
+        JUCE_COMRESULT SetData (FORMATETC*, STGMEDIUM*, BOOL)                override { return E_NOTIMPL; }
+        JUCE_COMRESULT DAdvise (FORMATETC*, DWORD, IAdviseSink*, DWORD*)     override { return OLE_E_ADVISENOTSUPPORTED; }
+        JUCE_COMRESULT DUnadvise (DWORD)                                     override { return E_NOTIMPL; }
+        JUCE_COMRESULT EnumDAdvise (IEnumSTATDATA**)                         override { return OLE_E_ADVISENOTSUPPORTED; }
 
     private:
         const FORMATETC* const format;
diff --git a/modules/juce_gui_basics/positioning/juce_RelativeRectangle.cpp b/modules/juce_gui_basics/positioning/juce_RelativeRectangle.cpp
index dae3cda412..42302cefae 100644
--- a/modules/juce_gui_basics/positioning/juce_RelativeRectangle.cpp
+++ b/modules/juce_gui_basics/positioning/juce_RelativeRectangle.cpp
@@ -121,7 +121,7 @@ class RelativeRectangleLocalScope final : public Expression::Scope
 public:
     RelativeRectangleLocalScope (const RelativeRectangle& rect_)  : rect (rect_) {}
 
-    Expression getSymbolValue (const String& symbol) const
+    Expression getSymbolValue (const String& symbol) const override
     {
         switch (RelativeCoordinate::StandardStrings::getTypeOf (symbol))
         {
diff --git a/modules/juce_gui_basics/widgets/juce_TableListBox.cpp b/modules/juce_gui_basics/widgets/juce_TableListBox.cpp
index 33f0125ce3..831e9aa4b9 100644
--- a/modules/juce_gui_basics/widgets/juce_TableListBox.cpp
+++ b/modules/juce_gui_basics/widgets/juce_TableListBox.cpp
@@ -318,7 +318,7 @@ class TableListBox::Header final : public TableHeaderComponent
 public:
     Header (TableListBox& tlb)  : owner (tlb) {}
 
-    void addMenuItems (PopupMenu& menu, int columnIdClicked)
+    void addMenuItems (PopupMenu& menu, int columnIdClicked) override
     {
         if (owner.isAutoSizeMenuOptionShown())
         {
@@ -330,7 +330,7 @@ public:
         TableHeaderComponent::addMenuItems (menu, columnIdClicked);
     }
 
-    void reactToMenuItem (int menuReturnId, int columnIdClicked)
+    void reactToMenuItem (int menuReturnId, int columnIdClicked) override
     {
         switch (menuReturnId)
         {
diff --git a/modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp b/modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp
index 48771d2a6d..923e63b999 100644
--- a/modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp
+++ b/modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp
@@ -37,23 +37,23 @@ namespace ActiveXHelpers
     //==============================================================================
     struct JuceIStorage final : public ComBaseClassHelper<IStorage>
     {
-        JuceIStorage() {}
+        JuceIStorage() = default;
 
-        JUCE_COMRESULT CreateStream (const WCHAR*, DWORD, DWORD, DWORD, IStream**)           { return E_NOTIMPL; }
-        JUCE_COMRESULT OpenStream (const WCHAR*, void*, DWORD, DWORD, IStream**)             { return E_NOTIMPL; }
-        JUCE_COMRESULT CreateStorage (const WCHAR*, DWORD, DWORD, DWORD, IStorage**)         { return E_NOTIMPL; }
-        JUCE_COMRESULT OpenStorage (const WCHAR*, IStorage*, DWORD, SNB, DWORD, IStorage**)  { return E_NOTIMPL; }
-        JUCE_COMRESULT CopyTo (DWORD, IID const*, SNB, IStorage*)                            { return E_NOTIMPL; }
-        JUCE_COMRESULT MoveElementTo (const OLECHAR*,IStorage*, const OLECHAR*, DWORD)       { return E_NOTIMPL; }
-        JUCE_COMRESULT Commit (DWORD)                                                        { return E_NOTIMPL; }
-        JUCE_COMRESULT Revert()                                                              { return E_NOTIMPL; }
-        JUCE_COMRESULT EnumElements (DWORD, void*, DWORD, IEnumSTATSTG**)                    { return E_NOTIMPL; }
-        JUCE_COMRESULT DestroyElement (const OLECHAR*)                                       { return E_NOTIMPL; }
-        JUCE_COMRESULT RenameElement (const WCHAR*, const WCHAR*)                            { return E_NOTIMPL; }
-        JUCE_COMRESULT SetElementTimes (const WCHAR*, FILETIME const*, FILETIME const*, FILETIME const*)    { return E_NOTIMPL; }
-        JUCE_COMRESULT SetClass (REFCLSID)                                                   { return S_OK; }
-        JUCE_COMRESULT SetStateBits (DWORD, DWORD)                                           { return E_NOTIMPL; }
-        JUCE_COMRESULT Stat (STATSTG*, DWORD)                                                { return E_NOTIMPL; }
+        JUCE_COMRESULT CreateStream (const WCHAR*, DWORD, DWORD, DWORD, IStream**)                        override { return E_NOTIMPL; }
+        JUCE_COMRESULT OpenStream (const WCHAR*, void*, DWORD, DWORD, IStream**)                          override { return E_NOTIMPL; }
+        JUCE_COMRESULT CreateStorage (const WCHAR*, DWORD, DWORD, DWORD, IStorage**)                      override { return E_NOTIMPL; }
+        JUCE_COMRESULT OpenStorage (const WCHAR*, IStorage*, DWORD, SNB, DWORD, IStorage**)               override { return E_NOTIMPL; }
+        JUCE_COMRESULT CopyTo (DWORD, IID const*, SNB, IStorage*)                                         override { return E_NOTIMPL; }
+        JUCE_COMRESULT MoveElementTo (const OLECHAR*,IStorage*, const OLECHAR*, DWORD)                    override { return E_NOTIMPL; }
+        JUCE_COMRESULT Commit (DWORD)                                                                     override { return E_NOTIMPL; }
+        JUCE_COMRESULT Revert()                                                                           override { return E_NOTIMPL; }
+        JUCE_COMRESULT EnumElements (DWORD, void*, DWORD, IEnumSTATSTG**)                                 override { return E_NOTIMPL; }
+        JUCE_COMRESULT DestroyElement (const OLECHAR*)                                                    override { return E_NOTIMPL; }
+        JUCE_COMRESULT RenameElement (const WCHAR*, const WCHAR*)                                         override { return E_NOTIMPL; }
+        JUCE_COMRESULT SetElementTimes (const WCHAR*, FILETIME const*, FILETIME const*, FILETIME const*)  override { return E_NOTIMPL; }
+        JUCE_COMRESULT SetClass (REFCLSID)                                                                override { return S_OK; }
+        JUCE_COMRESULT SetStateBits (DWORD, DWORD)                                                        override { return E_NOTIMPL; }
+        JUCE_COMRESULT Stat (STATSTG*, DWORD)                                                             override { return E_NOTIMPL; }
     };
 
     //==============================================================================
@@ -61,18 +61,18 @@ namespace ActiveXHelpers
     {
         JuceOleInPlaceFrame (HWND hwnd)   : window (hwnd) {}
 
-        JUCE_COMRESULT GetWindow (HWND* lphwnd)                                 { *lphwnd = window; return S_OK; }
-        JUCE_COMRESULT ContextSensitiveHelp (BOOL)                              { return E_NOTIMPL; }
-        JUCE_COMRESULT GetBorder (LPRECT)                                       { return E_NOTIMPL; }
-        JUCE_COMRESULT RequestBorderSpace (LPCBORDERWIDTHS)                     { return E_NOTIMPL; }
-        JUCE_COMRESULT SetBorderSpace (LPCBORDERWIDTHS)                         { return E_NOTIMPL; }
-        JUCE_COMRESULT SetActiveObject (IOleInPlaceActiveObject* a, LPCOLESTR)  { activeObject = a; return S_OK; }
-        JUCE_COMRESULT InsertMenus (HMENU, LPOLEMENUGROUPWIDTHS)                { return E_NOTIMPL; }
-        JUCE_COMRESULT SetMenu (HMENU, HOLEMENU, HWND)                          { return S_OK; }
-        JUCE_COMRESULT RemoveMenus (HMENU)                                      { return E_NOTIMPL; }
-        JUCE_COMRESULT SetStatusText (LPCOLESTR)                                { return S_OK; }
-        JUCE_COMRESULT EnableModeless (BOOL)                                    { return S_OK; }
-        JUCE_COMRESULT TranslateAccelerator (LPMSG, WORD)                       { return E_NOTIMPL; }
+        JUCE_COMRESULT GetWindow (HWND* lphwnd)                                 override { *lphwnd = window; return S_OK; }
+        JUCE_COMRESULT ContextSensitiveHelp (BOOL)                              override { return E_NOTIMPL; }
+        JUCE_COMRESULT GetBorder (LPRECT)                                       override { return E_NOTIMPL; }
+        JUCE_COMRESULT RequestBorderSpace (LPCBORDERWIDTHS)                     override { return E_NOTIMPL; }
+        JUCE_COMRESULT SetBorderSpace (LPCBORDERWIDTHS)                         override { return E_NOTIMPL; }
+        JUCE_COMRESULT SetActiveObject (IOleInPlaceActiveObject* a, LPCOLESTR)  override { activeObject = a; return S_OK; }
+        JUCE_COMRESULT InsertMenus (HMENU, LPOLEMENUGROUPWIDTHS)                override { return E_NOTIMPL; }
+        JUCE_COMRESULT SetMenu (HMENU, HOLEMENU, HWND)                          override { return S_OK; }
+        JUCE_COMRESULT RemoveMenus (HMENU)                                      override { return E_NOTIMPL; }
+        JUCE_COMRESULT SetStatusText (LPCOLESTR)                                override { return S_OK; }
+        JUCE_COMRESULT EnableModeless (BOOL)                                    override { return S_OK; }
+        JUCE_COMRESULT TranslateAccelerator (LPMSG, WORD)                       override { return E_NOTIMPL; }
 
         HRESULT OfferKeyTranslation (LPMSG lpmsg)
         {
@@ -94,18 +94,18 @@ namespace ActiveXHelpers
               frame (new JuceOleInPlaceFrame (window))
         {}
 
-        ~JuceIOleInPlaceSite()
+        ~JuceIOleInPlaceSite() override
         {
             frame->Release();
         }
 
-        JUCE_COMRESULT GetWindow (HWND* lphwnd)      { *lphwnd = window; return S_OK; }
-        JUCE_COMRESULT ContextSensitiveHelp (BOOL)   { return E_NOTIMPL; }
-        JUCE_COMRESULT CanInPlaceActivate()          { return S_OK; }
-        JUCE_COMRESULT OnInPlaceActivate()           { return S_OK; }
-        JUCE_COMRESULT OnUIActivate()                { return S_OK; }
+        JUCE_COMRESULT GetWindow (HWND* lphwnd)      override { *lphwnd = window; return S_OK; }
+        JUCE_COMRESULT ContextSensitiveHelp (BOOL)   override { return E_NOTIMPL; }
+        JUCE_COMRESULT CanInPlaceActivate()          override { return S_OK; }
+        JUCE_COMRESULT OnInPlaceActivate()           override { return S_OK; }
+        JUCE_COMRESULT OnUIActivate()                override { return S_OK; }
 
-        JUCE_COMRESULT GetWindowContext (LPOLEINPLACEFRAME* lplpFrame, LPOLEINPLACEUIWINDOW* lplpDoc, LPRECT, LPRECT, LPOLEINPLACEFRAMEINFO lpFrameInfo)
+        JUCE_COMRESULT GetWindowContext (LPOLEINPLACEFRAME* lplpFrame, LPOLEINPLACEUIWINDOW* lplpDoc, LPRECT, LPRECT, LPOLEINPLACEFRAMEINFO lpFrameInfo) override
         {
             /* Note: If you call AddRef on the frame here, then some types of object (e.g. web browser control) cause leaks..
                If you don't call AddRef then others crash (e.g. QuickTime).. Bit of a catch-22, so letting it leak is probably preferable.
@@ -119,12 +119,12 @@ namespace ActiveXHelpers
             return S_OK;
         }
 
-        JUCE_COMRESULT Scroll (SIZE)                 { return E_NOTIMPL; }
-        JUCE_COMRESULT OnUIDeactivate (BOOL)         { return S_OK; }
-        JUCE_COMRESULT OnInPlaceDeactivate()         { return S_OK; }
-        JUCE_COMRESULT DiscardUndoState()            { return E_NOTIMPL; }
-        JUCE_COMRESULT DeactivateAndUndo()           { return E_NOTIMPL; }
-        JUCE_COMRESULT OnPosRectChange (LPCRECT)     { return S_OK; }
+        JUCE_COMRESULT Scroll (SIZE)                 override { return E_NOTIMPL; }
+        JUCE_COMRESULT OnUIDeactivate (BOOL)         override { return S_OK; }
+        JUCE_COMRESULT OnInPlaceDeactivate()         override { return S_OK; }
+        JUCE_COMRESULT DiscardUndoState()            override { return E_NOTIMPL; }
+        JUCE_COMRESULT DeactivateAndUndo()           override { return E_NOTIMPL; }
+        JUCE_COMRESULT OnPosRectChange (LPCRECT)     override { return S_OK; }
 
         LRESULT offerEventToActiveXControl (::MSG& msg)
         {
@@ -144,7 +144,7 @@ namespace ActiveXHelpers
         JuceIOleClientSite (HWND window)  : inplaceSite (new JuceIOleInPlaceSite (window))
         {}
 
-        ~JuceIOleClientSite()
+        ~JuceIOleClientSite() override
         {
             inplaceSite->Release();
 
@@ -155,7 +155,7 @@ namespace ActiveXHelpers
             }
         }
 
-        JUCE_COMRESULT QueryInterface (REFIID type, void** result)
+        JUCE_COMRESULT QueryInterface (REFIID type, void** result) override
         {
             JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")
 
@@ -177,12 +177,12 @@ namespace ActiveXHelpers
             JUCE_END_IGNORE_WARNINGS_GCC_LIKE
         }
 
-        JUCE_COMRESULT SaveObject()                                  { return E_NOTIMPL; }
-        JUCE_COMRESULT GetMoniker (DWORD, DWORD, IMoniker**)         { return E_NOTIMPL; }
-        JUCE_COMRESULT GetContainer (LPOLECONTAINER* ppContainer)    { *ppContainer = nullptr; return E_NOINTERFACE; }
-        JUCE_COMRESULT ShowObject()                                  { return S_OK; }
-        JUCE_COMRESULT OnShowWindow (BOOL)                           { return E_NOTIMPL; }
-        JUCE_COMRESULT RequestNewObjectLayout()                      { return E_NOTIMPL; }
+        JUCE_COMRESULT SaveObject()                                  override { return E_NOTIMPL; }
+        JUCE_COMRESULT GetMoniker (DWORD, DWORD, IMoniker**)         override { return E_NOTIMPL; }
+        JUCE_COMRESULT GetContainer (LPOLECONTAINER* ppContainer)    override { *ppContainer = nullptr; return E_NOINTERFACE; }
+        JUCE_COMRESULT ShowObject()                                  override { return S_OK; }
+        JUCE_COMRESULT OnShowWindow (BOOL)                           override { return E_NOTIMPL; }
+        JUCE_COMRESULT RequestNewObjectLayout()                      override { return E_NOTIMPL; }
 
         LRESULT offerEventToActiveXControl (::MSG& msg)
         {
diff --git a/modules/juce_opengl/opengl/juce_OpenGLContext.cpp b/modules/juce_opengl/opengl/juce_OpenGLContext.cpp
index ef2586be83..240f12992c 100644
--- a/modules/juce_opengl/opengl/juce_OpenGLContext.cpp
+++ b/modules/juce_opengl/opengl/juce_OpenGLContext.cpp
@@ -670,7 +670,7 @@ public:
             : originalWorker (std::move (workerToUse))
         {}
 
-        void operator() (OpenGLContext& calleeContext)
+        void operator() (OpenGLContext& calleeContext) override
         {
             if (originalWorker != nullptr)
                 (*originalWorker) (calleeContext);
diff --git a/modules/juce_osc/osc/juce_OSCAddress.cpp b/modules/juce_osc/osc/juce_OSCAddress.cpp
index 0c78e97139..8ece762a1d 100644
--- a/modules/juce_osc/osc/juce_OSCAddress.cpp
+++ b/modules/juce_osc/osc/juce_OSCAddress.cpp
@@ -406,7 +406,7 @@ public:
         : UnitTest ("OSCAddress class", UnitTestCategories::osc)
     {}
 
-    void runTest()
+    void runTest() override
     {
         beginTest ("construction and parsing");
         {
@@ -452,7 +452,7 @@ public:
         : UnitTest ("OSCAddressPattern class", UnitTestCategories::osc)
     {}
 
-    void runTest()
+    void runTest() override
     {
         beginTest ("construction and parsing");
         {
@@ -593,7 +593,7 @@ public:
         : UnitTest ("OSCAddress class / pattern matching", UnitTestCategories::osc)
     {}
 
-    void runTest()
+    void runTest() override
     {
         beginTest ("basic string matching");
         {
diff --git a/modules/juce_osc/osc/juce_OSCArgument.cpp b/modules/juce_osc/osc/juce_OSCArgument.cpp
index 34fa0d599e..4b207fdc69 100644
--- a/modules/juce_osc/osc/juce_OSCArgument.cpp
+++ b/modules/juce_osc/osc/juce_OSCArgument.cpp
@@ -102,7 +102,7 @@ public:
         return block;
     }
 
-    void runTest()
+    void runTest() override
     {
         runTestInitialisation();
     }
diff --git a/modules/juce_osc/osc/juce_OSCBundle.cpp b/modules/juce_osc/osc/juce_OSCBundle.cpp
index 46c6e58649..66a428a83d 100644
--- a/modules/juce_osc/osc/juce_OSCBundle.cpp
+++ b/modules/juce_osc/osc/juce_OSCBundle.cpp
@@ -119,7 +119,7 @@ public:
         : UnitTest ("OSCBundle class", UnitTestCategories::osc)
     {}
 
-    void runTest()
+    void runTest() override
     {
         beginTest ("Construction");
         {
@@ -224,7 +224,7 @@ public:
         : UnitTest ("OSCBundle::Element class", UnitTestCategories::osc)
     {}
 
-    void runTest()
+    void runTest() override
     {
         beginTest ("Construction from OSCMessage");
         {
diff --git a/modules/juce_osc/osc/juce_OSCMessage.cpp b/modules/juce_osc/osc/juce_OSCMessage.cpp
index a16bfe200b..7f9aa15abe 100644
--- a/modules/juce_osc/osc/juce_OSCMessage.cpp
+++ b/modules/juce_osc/osc/juce_OSCMessage.cpp
@@ -107,7 +107,7 @@ public:
         : UnitTest ("OSCMessage class", UnitTestCategories::osc)
     {}
 
-    void runTest()
+    void runTest() override
     {
         beginTest ("Basic usage");
         {
diff --git a/modules/juce_osc/osc/juce_OSCReceiver.cpp b/modules/juce_osc/osc/juce_OSCReceiver.cpp
index 3b8d5d29b7..3ca0791e71 100644
--- a/modules/juce_osc/osc/juce_OSCReceiver.cpp
+++ b/modules/juce_osc/osc/juce_OSCReceiver.cpp
@@ -670,7 +670,7 @@ public:
         : UnitTest ("OSCInputStream class", UnitTestCategories::osc)
     {}
 
-    void runTest()
+    void runTest() override
     {
         beginTest ("reading OSC addresses");
         {
diff --git a/modules/juce_osc/osc/juce_OSCSender.cpp b/modules/juce_osc/osc/juce_OSCSender.cpp
index 579fd51927..bba2fd286a 100644
--- a/modules/juce_osc/osc/juce_OSCSender.cpp
+++ b/modules/juce_osc/osc/juce_OSCSender.cpp
@@ -343,7 +343,7 @@ public:
         : UnitTest ("OSCBinaryWriter class", UnitTestCategories::osc)
     {}
 
-    void runTest()
+    void runTest() override
     {
         beginTest ("writing OSC addresses");
         {
@@ -672,7 +672,7 @@ public:
         : UnitTest ("OSCRoundTripTests class", UnitTestCategories::osc)
     {}
 
-    void runTest()
+    void runTest() override
     {
         beginTest ("Empty OSC message");
         {
diff --git a/modules/juce_osc/osc/juce_OSCTimeTag.cpp b/modules/juce_osc/osc/juce_OSCTimeTag.cpp
index 6de97a1075..3fc1f4ef7b 100644
--- a/modules/juce_osc/osc/juce_OSCTimeTag.cpp
+++ b/modules/juce_osc/osc/juce_OSCTimeTag.cpp
@@ -83,7 +83,7 @@ public:
         : UnitTest ("OSCTimeTag class", UnitTestCategories::osc)
     {}
 
-    void runTest()
+    void runTest() override
     {
         beginTest ("Basics");
 
diff --git a/modules/juce_video/native/juce_CameraDevice_windows.h b/modules/juce_video/native/juce_CameraDevice_windows.h
index 8c2124af1e..f775f938f1 100644
--- a/modules/juce_video/native/juce_CameraDevice_windows.h
+++ b/modules/juce_video/native/juce_CameraDevice_windows.h
@@ -530,7 +530,7 @@ struct CameraDevice::Pimpl  : public ChangeBroadcaster
         GrabberCallback (Pimpl& p)
             : ComBaseClassHelperBase (0), owner (p) {}
 
-        JUCE_COMRESULT QueryInterface (REFIID refId, void** result)
+        JUCE_COMRESULT QueryInterface (REFIID refId, void** result) override
         {
             JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")
             if (refId == __uuidof (ComTypes::ISampleGrabberCB))
@@ -540,9 +540,9 @@ struct CameraDevice::Pimpl  : public ChangeBroadcaster
             return ComBaseClassHelperBase<ComTypes::ISampleGrabberCB>::QueryInterface (refId, result);
         }
 
-        JUCE_COMRESULT SampleCB (double, ComTypes::IMediaSample*)  { return E_FAIL; }
+        JUCE_COMRESULT SampleCB (double, ComTypes::IMediaSample*)  override { return E_FAIL; }
 
-        JUCE_COMRESULT BufferCB (double time, BYTE* buffer, long bufferSize)
+        JUCE_COMRESULT BufferCB (double time, BYTE* buffer, long bufferSize) override
         {
             owner.handleFrame (time, buffer, bufferSize);
             return S_OK;