diff --git a/source/backend/plugin/CarlaPluginBridge.cpp b/source/backend/plugin/CarlaPluginBridge.cpp
index 78928105c..0803d9359 100644
--- a/source/backend/plugin/CarlaPluginBridge.cpp
+++ b/source/backend/plugin/CarlaPluginBridge.cpp
@@ -2694,8 +2694,6 @@ public:
             return false;
         }
 
-        // TODO: set default options
-
         return true;
     }
 
diff --git a/source/backend/plugin/CarlaPluginDSSI.cpp b/source/backend/plugin/CarlaPluginDSSI.cpp
index 5e018bfc5..b1cbafcf9 100644
--- a/source/backend/plugin/CarlaPluginDSSI.cpp
+++ b/source/backend/plugin/CarlaPluginDSSI.cpp
@@ -417,23 +417,23 @@ public:
 
         uint options = 0x0;
 
-        if (! fNeedsFixedBuffers)
-        {
-            // can't disable fixed buffers if using latency
-            if (fLatencyIndex == -1)
-                options |= PLUGIN_OPTION_FIXED_BUFFERS;
+        // can't disable fixed buffers if using latency
+        if (fLatencyIndex == -1 && ! fNeedsFixedBuffers)
+            options |= PLUGIN_OPTION_FIXED_BUFFERS;
 
-            // can't disable forced stereo if in rack mode
-            if (pData->engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)
-                pass();
-            // if inputs or outputs are just 1, then yes we can force stereo
-            else if (pData->audioIn.count == 1 || pData->audioOut.count == 1 || fForcedStereoIn || fForcedStereoOut)
-                options |= PLUGIN_OPTION_FORCE_STEREO;
-        }
+        // can't disable forced stereo if in rack mode
+        if (pData->engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)
+            pass();
+        // if inputs or outputs are just 1, then yes we can force stereo
+        else if (pData->audioIn.count == 1 || pData->audioOut.count == 1 || fForcedStereoIn || fForcedStereoOut)
+            options |= PLUGIN_OPTION_FORCE_STEREO;
 
         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)
             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
 
+        if (fUsesCustomData)
+            options |= PLUGIN_OPTION_USE_CHUNKS;
+
         if (fDssiDescriptor->run_synth != nullptr)
         {
             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
@@ -443,9 +443,6 @@ public:
             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
         }
 
-        if (fUsesCustomData)
-            options |= PLUGIN_OPTION_USE_CHUNKS;
-
         return options;
     }
 
@@ -2174,8 +2171,8 @@ public:
 
         if (fOscData.source == nullptr)
         {
-            // if no UI is registered yet only "update" message is valid
-            CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)
+            // if no UI is registered yet only "configure" and "update" messages are valid
+            CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)
         }
         else
         {
@@ -2333,11 +2330,7 @@ public:
         if (pData->midiprog.current >= 0)
         {
             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());
-
-            if (getType() == PLUGIN_DSSI)
-                osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);
-            else
-                osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);
+            osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);
         }
 
         for (uint32_t i=0; i < pData->param.count; ++i)
@@ -2651,14 +2644,17 @@ public:
 
         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)
             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
-         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)
+        else if (options & PLUGIN_OPTION_FIXED_BUFFERS)
             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
 
         /**/ if (pData->engine->getOptions().forceStereo)
             pData->options |= PLUGIN_OPTION_FORCE_STEREO;
-         else if (options & PLUGIN_OPTION_FORCE_STEREO)
+        else if (options & PLUGIN_OPTION_FORCE_STEREO)
             pData->options |= PLUGIN_OPTION_FORCE_STEREO;
 
+        if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)
+            pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
+
         if (fUsesCustomData)
             pData->options |= PLUGIN_OPTION_USE_CHUNKS;
 
@@ -2669,8 +2665,8 @@ public:
             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;
             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
 
-            if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)
-                pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
+            if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)
+                pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
         }
 
         return true;
diff --git a/source/backend/plugin/CarlaPluginFluidSynth.cpp b/source/backend/plugin/CarlaPluginFluidSynth.cpp
index 227186f05..77b7d3534 100644
--- a/source/backend/plugin/CarlaPluginFluidSynth.cpp
+++ b/source/backend/plugin/CarlaPluginFluidSynth.cpp
@@ -150,8 +150,6 @@ public:
 
     uint32_t getParameterScalePointCount(const uint32_t parameterId) const noexcept override
     {
-        CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0);
-
         switch (parameterId)
         {
         case FluidSynthChorusType:
@@ -193,9 +191,6 @@ public:
 
     float getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId) const noexcept override
     {
-        CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f);
-        CARLA_SAFE_ASSERT_RETURN(scalePointId < getParameterScalePointCount(parameterId), 0.0f);
-
         switch (parameterId)
         {
         case FluidSynthChorusType:
@@ -1632,11 +1627,10 @@ public:
         pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;
         pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
 
-        // TODO: read some options
+        if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)
+            pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
 
         return true;
-
-        (void)options;
     }
 
 private:
diff --git a/source/backend/plugin/CarlaPluginJuce.cpp b/source/backend/plugin/CarlaPluginJuce.cpp
index dee95368e..72fcb0698 100644
--- a/source/backend/plugin/CarlaPluginJuce.cpp
+++ b/source/backend/plugin/CarlaPluginJuce.cpp
@@ -151,6 +151,9 @@ public:
         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
         options |= PLUGIN_OPTION_USE_CHUNKS;
 
+        if (fInstance->getNumPrograms() > 1)
+            options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
+
         if (fInstance->acceptsMidi())
         {
             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
@@ -1220,7 +1223,7 @@ public:
         pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
         pData->options |= PLUGIN_OPTION_USE_CHUNKS;
 
-        if (fDesc.isInstrument)
+        if (fInstance->getNumPrograms() > 1)
             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
 
         if (fInstance->acceptsMidi())
@@ -1229,10 +1232,10 @@ public:
             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;
             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;
             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
-        }
 
-        // TODO: read some options
-        ignoreUnused(options);
+            if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)
+                pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
+        }
 
         return true;
     }
diff --git a/source/backend/plugin/CarlaPluginLADSPA.cpp b/source/backend/plugin/CarlaPluginLADSPA.cpp
index ea86c4121..cf340875d 100644
--- a/source/backend/plugin/CarlaPluginLADSPA.cpp
+++ b/source/backend/plugin/CarlaPluginLADSPA.cpp
@@ -187,19 +187,16 @@ public:
     {
         uint options = 0x0;
 
-        if (! fNeedsFixedBuffers)
-        {
-            // can't disable fixed buffers if using latency
-            if (fLatencyIndex == -1)
-                options |= PLUGIN_OPTION_FIXED_BUFFERS;
-
-            // can't disable forced stereo if in rack mode
-            if (pData->engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)
-                pass();
-            // if inputs or outputs are just 1, then yes we can force stereo
-            else if (pData->audioIn.count == 1 || pData->audioOut.count == 1 || fForcedStereoIn || fForcedStereoOut)
-                options |= PLUGIN_OPTION_FORCE_STEREO;
-        }
+        // can't disable fixed buffers if using latency
+        if (fLatencyIndex == -1 && ! fNeedsFixedBuffers)
+            options |= PLUGIN_OPTION_FIXED_BUFFERS;
+
+        // can't disable forced stereo if in rack mode
+        if (pData->engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)
+            pass();
+        // if inputs or outputs are just 1, then yes we can force stereo
+        else if (pData->audioIn.count == 1 || pData->audioOut.count == 1 || fForcedStereoIn || fForcedStereoOut)
+            options |= PLUGIN_OPTION_FORCE_STEREO;
 
         return options;
     }
diff --git a/source/backend/plugin/CarlaPluginLV2.cpp b/source/backend/plugin/CarlaPluginLV2.cpp
index 724cf24f9..73dbfde1f 100644
--- a/source/backend/plugin/CarlaPluginLV2.cpp
+++ b/source/backend/plugin/CarlaPluginLV2.cpp
@@ -808,28 +808,25 @@ public:
 
     uint getOptionsAvailable() const noexcept override
     {
-        const bool hasMidiIn(getMidiInCount() > 0);
+        const uint32_t midiOutCount(getMidiOutCount());
 
         uint options = 0x0;
 
-        if (fExt.programs != nullptr)
-            options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
+        // can't disable fixed buffers if using latency or MIDI output
+        if (fLatencyIndex == -1 && midiOutCount == 0 && ! fNeedsFixedBuffers)
+            options |= PLUGIN_OPTION_FIXED_BUFFERS;
 
-        // can't disable fixed buffers if using latency or MIDI
-        if (fLatencyIndex >= 0 || hasMidiIn || fNeedsFixedBuffers)
+        // can't disable forced stereo if in rack mode
+        if (pData->engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)
             pass();
-        else
-            options |= PLUGIN_OPTION_FIXED_BUFFERS;
+        // if inputs or outputs are just 1, then yes we can force stereo
+        else if ((pData->audioIn.count == 1 || pData->audioOut.count == 1) && fCanInit2)
+            options |= PLUGIN_OPTION_FORCE_STEREO;
 
-        if (fCanInit2 && pData->engine->getProccessMode() != ENGINE_PROCESS_MODE_CONTINUOUS_RACK)
-        {
-            if (pData->options & PLUGIN_OPTION_FORCE_STEREO)
-                options |= PLUGIN_OPTION_FORCE_STEREO;
-            else if (pData->audioIn.count <= 1 && pData->audioOut.count <= 1 && (pData->audioIn.count != 0 || pData->audioOut.count != 0))
-                options |= PLUGIN_OPTION_FORCE_STEREO;
-        }
+        if (fExt.programs != nullptr)
+            options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
 
-        if (hasMidiIn)
+        if (midiOutCount != 0)
         {
             options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;
             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
@@ -5020,14 +5017,13 @@ public:
         // ---------------------------------------------------------------
         // set default options
 
-        pData->options = 0x0;
+        const uint32_t midiOutCount(getMidiOutCount());
 
-        if (fExt.programs != nullptr && getCategory() == PLUGIN_CATEGORY_SYNTH)
-            pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
+        pData->options = 0x0;
 
-        if (fLatencyIndex >= 0 || getMidiInCount() > 0 || fNeedsFixedBuffers)
+        if (fLatencyIndex >= 0 || midiOutCount != 0 || fNeedsFixedBuffers)
             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
-         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)
+        else if (options & PLUGIN_OPTION_FIXED_BUFFERS)
             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
 
         if (fCanInit2)
@@ -5038,12 +5034,18 @@ public:
                 pData->options |= PLUGIN_OPTION_FORCE_STEREO;
         }
 
-        if (getMidiInCount() > 0)
+        if (fExt.programs != nullptr)
+            pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
+
+        if (midiOutCount != 0)
         {
             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;
             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;
             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;
             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
+
+            if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)
+                pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
         }
 
         // ---------------------------------------------------------------
diff --git a/source/backend/plugin/CarlaPluginLinuxSampler.cpp b/source/backend/plugin/CarlaPluginLinuxSampler.cpp
index 456848b22..541a1630d 100644
--- a/source/backend/plugin/CarlaPluginLinuxSampler.cpp
+++ b/source/backend/plugin/CarlaPluginLinuxSampler.cpp
@@ -1345,8 +1345,6 @@ public:
         if (kIsGIG)
             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
 
-        // TODO: read some options
-
         return true;
 
         (void)options;
diff --git a/source/backend/plugin/CarlaPluginNative.cpp b/source/backend/plugin/CarlaPluginNative.cpp
index 18c7b7ad2..e494b97b0 100644
--- a/source/backend/plugin/CarlaPluginNative.cpp
+++ b/source/backend/plugin/CarlaPluginNative.cpp
@@ -330,23 +330,29 @@ public:
     uint getOptionsAvailable() const noexcept override
     {
         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, 0x0);
-        CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, 0);
+        CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,     0x0);
 
-        // FIXME - try
-        const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);
+        bool hasMidiProgs = false;
+
+        if (fDescriptor->get_midi_program_count != nullptr)
+        {
+            try {
+                hasMidiProgs = fDescriptor->get_midi_program_count(fHandle) > 0;
+            } catch (...) {}
+        }
 
         uint options = 0x0;
 
-        if (getMidiInCount() == 0 && (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) == 0)
+        // can't disable fixed buffers if using MIDI output
+        if (getMidiOutCount() == 0 && (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) == 0)
             options |= PLUGIN_OPTION_FIXED_BUFFERS;
 
-        if (pData->engine->getProccessMode() != ENGINE_PROCESS_MODE_CONTINUOUS_RACK)
-        {
-            if (pData->options & PLUGIN_OPTION_FORCE_STEREO)
-                options |= PLUGIN_OPTION_FORCE_STEREO;
-            else if (pData->audioIn.count <= 1 && pData->audioOut.count <= 1 && (pData->audioIn.count != 0 || pData->audioOut.count != 0))
-                options |= PLUGIN_OPTION_FORCE_STEREO;
-        }
+        // can't disable forced stereo if in rack mode
+        if (pData->engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)
+            pass();
+        // if inputs or outputs are just 1, then yes we can force stereo
+        else if (pData->audioIn.count == 1 || pData->audioOut.count == 1)
+            options |= PLUGIN_OPTION_FORCE_STEREO;
 
         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)
             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
@@ -2383,11 +2389,18 @@ public:
         // ---------------------------------------------------------------
         // set default options
 
-        const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);
+        bool hasMidiProgs = false;
+
+        if (fDescriptor->get_midi_program_count != nullptr)
+        {
+            try {
+                hasMidiProgs = fDescriptor->get_midi_program_count(fHandle) > 0;
+            } catch (...) {}
+        }
 
         pData->options = 0x0;
 
-        if (getMidiInCount() > 0 || (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) != 0)
+        if (getMidiOutCount() != 0 || (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) != 0)
             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)
             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
@@ -2406,15 +2419,18 @@ public:
         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)
             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
 
+        if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)
+        {
+            if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)
+                pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
+        }
+
         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES)
         {
             CARLA_SAFE_ASSERT(! hasMidiProgs);
             pData->options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;
-
-            if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)
-                pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
         }
-        else if (hasMidiProgs && fDescriptor->category == NATIVE_PLUGIN_CATEGORY_SYNTH)
+        else if (hasMidiProgs)
             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
 
         return true;
diff --git a/source/backend/plugin/CarlaPluginVST2.cpp b/source/backend/plugin/CarlaPluginVST2.cpp
index e3a2f757c..f3a45b134 100644
--- a/source/backend/plugin/CarlaPluginVST2.cpp
+++ b/source/backend/plugin/CarlaPluginVST2.cpp
@@ -205,18 +205,21 @@ public:
     {
         CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr, 0);
 
+        const bool hasMidiOut(hasMidiOutput());
+
         uint options = 0x0;
 
-        options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
+        // can't disable fixed buffers if using latency or MIDI output
+        if (pData->latency.frames == 0 && ! hasMidiOut)
+            options |= PLUGIN_OPTION_FIXED_BUFFERS;
+
+        if (fEffect->numPrograms > 1)
+            options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
 
         if (fEffect->flags & effFlagsProgramChunks)
             options |= PLUGIN_OPTION_USE_CHUNKS;
 
-        if (getMidiInCount() == 0)
-        {
-            options |= PLUGIN_OPTION_FIXED_BUFFERS;
-        }
-        else
+        if (hasMidiOut)
         {
             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;
@@ -1795,7 +1798,8 @@ protected:
 
         case audioMasterGetNumAutomatableParameters:
             // Deprecated in VST SDK 2.4
-            ret = carla_fixedValue<intptr_t>(0, static_cast<intptr_t>(pData->engine->getOptions().maxParameters), fEffect->numParams);
+            ret = static_cast<intptr_t>(pData->engine->getOptions().maxParameters);
+            ret = carla_minPositive<intptr_t>(ret, fEffect->numParams);
             break;
 
         case audioMasterGetParameterQuantization:
@@ -2181,24 +2185,31 @@ public:
         // ---------------------------------------------------------------
         // set default options
 
+        const bool hasMidiOut(hasMidiOutput());
+
         pData->options = 0x0;
 
-        if (fEffect->flags & effFlagsIsSynth)
+        if (pData->latency.frames != 0 || hasMidiOut)
+            pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
+        else if (options & PLUGIN_OPTION_FIXED_BUFFERS)
+            pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
+
+        if (fEffect->numPrograms > 1)
             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
 
         if (fEffect->flags & effFlagsProgramChunks)
             pData->options |= PLUGIN_OPTION_USE_CHUNKS;
 
-        if (hasMidiInput())
+        if (hasMidiOut)
         {
-            pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;
             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;
             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;
             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
+
+            if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)
+                pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
         }
-        else if (options & PLUGIN_OPTION_FIXED_BUFFERS)
-            pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;
 
         return true;
 
@@ -2338,7 +2349,7 @@ private:
             return 1;
 
         case audioMasterGetVendorVersion:
-            return 0x110; // 1.1.0
+            return CARLA_VERSION_HEX;
 
         case audioMasterCanDo:
             CARLA_SAFE_ASSERT_RETURN(ptr != nullptr, 0);