diff --git a/examples/CairoUI/CairoExamplePlugin.cpp b/examples/CairoUI/CairoExamplePlugin.cpp
index 38891516..f22f1552 100644
--- a/examples/CairoUI/CairoExamplePlugin.cpp
+++ b/examples/CairoUI/CairoExamplePlugin.cpp
@@ -54,6 +54,19 @@ public:
         return d_cconst('d', 'C', 'a', 'i');
     }
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupMono;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
     void initParameter(uint32_t index, Parameter& parameter)
     {
         // unused
diff --git a/examples/CairoUI/Makefile b/examples/CairoUI/Makefile
index 2c2c2489..309654a4 100644
--- a/examples/CairoUI/Makefile
+++ b/examples/CairoUI/Makefile
@@ -40,7 +40,8 @@ endif # HAVE_LIBLO
 endif # MACOS_OR_WINDOWS
 
 TARGETS += lv2_sep
-TARGETS += vst
+TARGETS += vst2
+TARGETS += vst3
 
 endif # HAVE_CAIRO
 
diff --git a/examples/EmbedExternalUI/EmbedExternalExamplePlugin.cpp b/examples/EmbedExternalUI/EmbedExternalExamplePlugin.cpp
index 0eb65941..e16b318d 100644
--- a/examples/EmbedExternalUI/EmbedExternalExamplePlugin.cpp
+++ b/examples/EmbedExternalUI/EmbedExternalExamplePlugin.cpp
@@ -99,6 +99,19 @@ protected:
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupStereo;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.
diff --git a/examples/FileHandling/FileHandlingPlugin.cpp b/examples/FileHandling/FileHandlingPlugin.cpp
index 691a4557..1a00ddfc 100644
--- a/examples/FileHandling/FileHandlingPlugin.cpp
+++ b/examples/FileHandling/FileHandlingPlugin.cpp
@@ -98,6 +98,19 @@ protected:
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupMono;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.
diff --git a/examples/FileHandling/Makefile b/examples/FileHandling/Makefile
index 23cd6399..1ebd4027 100644
--- a/examples/FileHandling/Makefile
+++ b/examples/FileHandling/Makefile
@@ -34,7 +34,8 @@ else
 TARGETS += lv2_dsp
 endif
 
-TARGETS += vst
+TARGETS += vst2
+TARGETS += vst3
 
 all: $(TARGETS)
 
diff --git a/examples/Info/InfoExamplePlugin.cpp b/examples/Info/InfoExamplePlugin.cpp
index 6e339c25..36264017 100644
--- a/examples/Info/InfoExamplePlugin.cpp
+++ b/examples/Info/InfoExamplePlugin.cpp
@@ -103,6 +103,19 @@ protected:
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupStereo;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.
diff --git a/examples/Latency/LatencyExamplePlugin.cpp b/examples/Latency/LatencyExamplePlugin.cpp
index 2d264a34..cc40bd50 100644
--- a/examples/Latency/LatencyExamplePlugin.cpp
+++ b/examples/Latency/LatencyExamplePlugin.cpp
@@ -108,6 +108,19 @@ protected:
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupMono;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.
diff --git a/examples/Metronome/ExamplePluginMetronome.cpp b/examples/Metronome/ExamplePluginMetronome.cpp
index 537e994b..83c484dc 100644
--- a/examples/Metronome/ExamplePluginMetronome.cpp
+++ b/examples/Metronome/ExamplePluginMetronome.cpp
@@ -150,6 +150,19 @@ protected:
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupMono;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.
diff --git a/examples/Parameters/ExamplePluginParameters.cpp b/examples/Parameters/ExamplePluginParameters.cpp
index eb466b49..4b705af2 100644
--- a/examples/Parameters/ExamplePluginParameters.cpp
+++ b/examples/Parameters/ExamplePluginParameters.cpp
@@ -110,6 +110,19 @@ The plugin will be treated as an effect, but it will not change the host audio."
         kPortGroupBottom
     };
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupStereo;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.
diff --git a/examples/SendNote/SendNoteExamplePlugin.cpp b/examples/SendNote/SendNoteExamplePlugin.cpp
index df4899e9..937526c0 100644
--- a/examples/SendNote/SendNoteExamplePlugin.cpp
+++ b/examples/SendNote/SendNoteExamplePlugin.cpp
@@ -100,11 +100,20 @@ protected:
     }
 
    /* --------------------------------------------------------------------------------------------------------
-    * Init and Internal data, unused in this plugin */
+    * Init */
 
-    void  initParameter(uint32_t, Parameter&) override {}
-    float getParameterValue(uint32_t) const   override { return 0.0f;}
-    void  setParameterValue(uint32_t, float)  override {}
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupMono;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
 
    /* --------------------------------------------------------------------------------------------------------
     * Audio/MIDI Processing */
diff --git a/examples/States/ExamplePluginStates.cpp b/examples/States/ExamplePluginStates.cpp
index 9808952c..119935cf 100644
--- a/examples/States/ExamplePluginStates.cpp
+++ b/examples/States/ExamplePluginStates.cpp
@@ -104,6 +104,19 @@ The plugin will be treated as an effect, but it will not change the host audio."
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupStereo;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Set the name of the program @a index.
       This function will be called once, shortly after the plugin is created.