diff --git a/interface/src/Menu.cpp b/interface/src/Menu.cpp
index 8d96a68046..27d1ed9bc2 100644
--- a/interface/src/Menu.cpp
+++ b/interface/src/Menu.cpp
@@ -584,7 +584,6 @@ Menu::Menu() {
 
     // Developer > Physics >>>
     MenuWrapper* physicsOptionsMenu = developerMenu->addMenu("Physics");
-    addCheckableActionToQMenuAndActionHash(physicsOptionsMenu, MenuOption::PhysicsShowOwned);
     addCheckableActionToQMenuAndActionHash(physicsOptionsMenu, MenuOption::PhysicsShowHulls);
 
     // Developer > Display Crash Options
diff --git a/interface/src/Menu.h b/interface/src/Menu.h
index 21454b7d66..f07ce641d8 100644
--- a/interface/src/Menu.h
+++ b/interface/src/Menu.h
@@ -244,7 +244,6 @@ namespace MenuOption {
     const QString OutputMenu = "Display";
     const QString PackageModel = "Package Model...";
     const QString Pair = "Pair";
-    const QString PhysicsShowOwned = "Highlight Simulation Ownership";
     const QString PhysicsShowHulls = "Draw Collision Hulls";
     const QString PipelineWarnings = "Log Render Pipeline Warnings";
     const QString Preferences = "General...";
diff --git a/libraries/render-utils/src/AmbientOcclusionEffect.cpp b/libraries/render-utils/src/AmbientOcclusionEffect.cpp
index 6bcb4bbdcb..50b6c06254 100644
--- a/libraries/render-utils/src/AmbientOcclusionEffect.cpp
+++ b/libraries/render-utils/src/AmbientOcclusionEffect.cpp
@@ -101,13 +101,13 @@ AmbientOcclusionEffect::AmbientOcclusionEffect() {
     _parametersBuffer = gpu::BufferView(std::make_shared<gpu::Buffer>(sizeof(Parameters), (const gpu::Byte*) &parameters));
 }
 
-void AmbientOcclusionEffect::configure(const Config& configuration) {
-    DependencyManager::get<DeferredLightingEffect>()->setAmbientOcclusionEnabled(configuration.enabled);
+void AmbientOcclusionEffect::configure(const Config& config) {
+    DependencyManager::get<DeferredLightingEffect>()->setAmbientOcclusionEnabled(config.enabled);
 
     bool shouldUpdateGaussion = false;
 
     const double RADIUS_POWER = 6.0;
-    const auto& radius = configuration.radius;
+    const auto& radius = config.radius;
     if (radius != getRadius()) {
         auto& current = _parametersBuffer.edit<Parameters>().radiusInfo;
         current.x = radius;
@@ -115,39 +115,39 @@ void AmbientOcclusionEffect::configure(const Config& configuration) {
         current.z = (float)(1.0 / pow((double)radius, RADIUS_POWER));
     }
 
-    if (configuration.obscuranceLevel != getObscuranceLevel()) {
+    if (config.obscuranceLevel != getObscuranceLevel()) {
         auto& current = _parametersBuffer.edit<Parameters>().radiusInfo;
-        current.w = configuration.obscuranceLevel;
+        current.w = config.obscuranceLevel;
     }
 
-    if (configuration.falloffBias != getFalloffBias()) {
+    if (config.falloffBias != getFalloffBias()) {
         auto& current = _parametersBuffer.edit<Parameters>().ditheringInfo;
-        current.z = configuration.falloffBias;
+        current.z = config.falloffBias;
     }
 
-    if (configuration.edgeSharpness != getEdgeSharpness()) {
+    if (config.edgeSharpness != getEdgeSharpness()) {
         auto& current = _parametersBuffer.edit<Parameters>().blurInfo;
-        current.x = configuration.edgeSharpness;
+        current.x = config.edgeSharpness;
     }
 
-    if (configuration.blurDeviation != getBlurDeviation()) {
+    if (config.blurDeviation != getBlurDeviation()) {
         auto& current = _parametersBuffer.edit<Parameters>().blurInfo;
-        current.z = configuration.blurDeviation;
+        current.z = config.blurDeviation;
         shouldUpdateGaussion = true;
     }
 
-    if (configuration.numSpiralTurns != getNumSpiralTurns()) {
+    if (config.numSpiralTurns != getNumSpiralTurns()) {
         auto& current = _parametersBuffer.edit<Parameters>().sampleInfo;
-        current.z = configuration.numSpiralTurns;
+        current.z = config.numSpiralTurns;
     }
 
-    if (configuration.numSamples != getNumSamples()) {
+    if (config.numSamples != getNumSamples()) {
         auto& current = _parametersBuffer.edit<Parameters>().sampleInfo;
-        current.x = configuration.numSamples;
-        current.y = 1.0f / configuration.numSamples;
+        current.x = config.numSamples;
+        current.y = 1.0f / config.numSamples;
     }
 
-    const auto& resolutionLevel = configuration.resolutionLevel;
+    const auto& resolutionLevel = config.resolutionLevel;
     if (resolutionLevel != getResolutionLevel()) {
         auto& current = _parametersBuffer.edit<Parameters>().resolutionInfo;
         current.x = (float)resolutionLevel;
@@ -156,20 +156,20 @@ void AmbientOcclusionEffect::configure(const Config& configuration) {
         DependencyManager::get<FramebufferCache>()->setAmbientOcclusionResolutionLevel(resolutionLevel);
     }
 
-    if (configuration.blurRadius != getBlurRadius()) {
+    if (config.blurRadius != getBlurRadius()) {
         auto& current = _parametersBuffer.edit<Parameters>().blurInfo;
-        current.y = (float)configuration.blurRadius;
+        current.y = (float)config.blurRadius;
         shouldUpdateGaussion = true;
     }
 
-    if (configuration.ditheringEnabled != isDitheringEnabled()) {
+    if (config.ditheringEnabled != isDitheringEnabled()) {
         auto& current = _parametersBuffer.edit<Parameters>().ditheringInfo;
-        current.x = (float)configuration.ditheringEnabled;
+        current.x = (float)config.ditheringEnabled;
     }
 
-    if (configuration.borderingEnabled != isBorderingEnabled()) {
+    if (config.borderingEnabled != isBorderingEnabled()) {
         auto& current = _parametersBuffer.edit<Parameters>().ditheringInfo;
-        current.w = (float)configuration.borderingEnabled;
+        current.w = (float)config.borderingEnabled;
     }
 
     if (shouldUpdateGaussion) {
diff --git a/libraries/render-utils/src/AmbientOcclusionEffect.h b/libraries/render-utils/src/AmbientOcclusionEffect.h
index 2c2c9cfff2..c040e31188 100644
--- a/libraries/render-utils/src/AmbientOcclusionEffect.h
+++ b/libraries/render-utils/src/AmbientOcclusionEffect.h
@@ -18,9 +18,6 @@
 
 class AmbientOcclusionEffectConfig : public render::Job::Config {
     Q_OBJECT
-public:
-    AmbientOcclusionEffectConfig() : render::Job::Config(false) {}
-
     Q_PROPERTY(bool enabled MEMBER enabled NOTIFY dirty)
     Q_PROPERTY(bool ditheringEnabled MEMBER ditheringEnabled NOTIFY dirty)
     Q_PROPERTY(bool borderingEnabled MEMBER borderingEnabled NOTIFY dirty)
@@ -34,6 +31,8 @@ public:
     Q_PROPERTY(int resolutionLevel MEMBER resolutionLevel WRITE setResolutionLevel)
     Q_PROPERTY(int blurRadius MEMBER blurRadius WRITE setBlurRadius)
     Q_PROPERTY(double gpuTime READ getGpuTime)
+public:
+    AmbientOcclusionEffectConfig() : render::Job::Config(false) {}
 
     const int MAX_RESOLUTION_LEVEL = 4;
     const int MAX_BLUR_RADIUS = 6;
@@ -73,7 +72,7 @@ public:
 
     AmbientOcclusionEffect();
 
-    void configure(const Config& configuration);
+    void configure(const Config& config);
     void run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext);
     
     float getRadius() const { return _parametersBuffer.get<Parameters>().radiusInfo.x; }
diff --git a/libraries/render-utils/src/AntialiasingEffect.h b/libraries/render-utils/src/AntialiasingEffect.h
index 1dd3a9ddcc..f0a32c68ff 100644
--- a/libraries/render-utils/src/AntialiasingEffect.h
+++ b/libraries/render-utils/src/AntialiasingEffect.h
@@ -18,10 +18,9 @@
 
 class AntiAliasingConfig : public render::Job::Config {
     Q_OBJECT
+    Q_PROPERTY(bool enabled MEMBER enabled)
 public:
     AntiAliasingConfig() : render::Job::Config(false) {}
-
-    Q_PROPERTY(bool enabled MEMBER enabled)
 };
 
 class Antialiasing {
@@ -30,7 +29,7 @@ public:
     using JobModel = render::Job::Model<Antialiasing, Config>;
 
     Antialiasing();
-    void configure(const Config& configuration) {}
+    void configure(const Config& config) {}
     void run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext);
 
     const gpu::PipelinePointer& getAntialiasingPipeline();
diff --git a/libraries/render-utils/src/DebugDeferredBuffer.cpp b/libraries/render-utils/src/DebugDeferredBuffer.cpp
index f8a35ad0df..2dcfa35522 100644
--- a/libraries/render-utils/src/DebugDeferredBuffer.cpp
+++ b/libraries/render-utils/src/DebugDeferredBuffer.cpp
@@ -232,6 +232,10 @@ const gpu::PipelinePointer& DebugDeferredBuffer::getPipeline(Mode mode, std::str
     }
 }
 
+void DebugDeferredBuffer::configure(const Config& config) {
+    _mode = (Mode)config.mode;
+    _size = config.size;
+}
 
 void DebugDeferredBuffer::run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext) {
     assert(renderContext->args);
diff --git a/libraries/render-utils/src/DebugDeferredBuffer.h b/libraries/render-utils/src/DebugDeferredBuffer.h
index 27aa8d30b2..1cd199c67b 100644
--- a/libraries/render-utils/src/DebugDeferredBuffer.h
+++ b/libraries/render-utils/src/DebugDeferredBuffer.h
@@ -18,16 +18,16 @@
 
 class DebugDeferredBufferConfig : public render::Job::Config {
     Q_OBJECT
-public:
-    DebugDeferredBufferConfig() : render::Job::Config(false) {}
-
     Q_PROPERTY(bool enabled MEMBER enabled)
     Q_PROPERTY(int mode MEMBER mode WRITE setMode)
     Q_PROPERTY(glm::vec4 size MEMBER size NOTIFY dirty)
+public:
+    DebugDeferredBufferConfig() : render::Job::Config(false) {}
+
     void setMode(int newMode);
  
     int mode{ 0 };
-    glm::vec4 size{ 0, 0, 0, 0 };
+    glm::vec4 size{ 0.0f, 0.0f, 0.0f, 0.0f };
 signals:
     void dirty();
 };
@@ -39,10 +39,7 @@ public:
     
     DebugDeferredBuffer();
 
-    void configure(const Config& config) {
-        _mode = (Mode)config.mode;
-        _size = config.size;
-    }
+    void configure(const Config& config);
     void run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext);
     
 protected:
diff --git a/libraries/render-utils/src/HitEffect.h b/libraries/render-utils/src/HitEffect.h
index 7d683534d0..5252e63726 100644
--- a/libraries/render-utils/src/HitEffect.h
+++ b/libraries/render-utils/src/HitEffect.h
@@ -13,10 +13,9 @@
 
 class HitEffectConfig : public render::Job::Config {
     Q_OBJECT
+    Q_PROPERTY(bool enabled MEMBER enabled)
 public:
     HitEffectConfig() : render::Job::Config(false) {}
-
-    Q_PROPERTY(bool enabled MEMBER enabled)
 };
 
 class HitEffect {
@@ -25,7 +24,7 @@ public:
     using JobModel = render::Job::Model<HitEffect, Config>;
     
     HitEffect();
-    void configure(const Config&) {}
+    void configure(const Config& config) {}
     void run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext);
     
     const gpu::PipelinePointer& getHitEffectPipeline();
diff --git a/libraries/render-utils/src/RenderDeferredTask.cpp b/libraries/render-utils/src/RenderDeferredTask.cpp
index 47a9c66111..06fadb69b3 100755
--- a/libraries/render-utils/src/RenderDeferredTask.cpp
+++ b/libraries/render-utils/src/RenderDeferredTask.cpp
@@ -67,13 +67,13 @@ void RenderDeferred::run(const SceneContextPointer& sceneContext, const RenderCo
     DependencyManager::get<DeferredLightingEffect>()->render(renderContext);
 }
 
-void ToneMappingDeferred::configure(const Config& configuration) {
-    if (configuration.exposure >= 0) {
-        _toneMappingEffect.setExposure(configuration.exposure);
+void ToneMappingDeferred::configure(const Config& config) {
+    if (config.exposure >= 0.0f) {
+        _toneMappingEffect.setExposure(config.exposure);
     }
-    if (configuration.curve >= 0) {
-        _toneMappingEffect.setToneCurve((ToneMappingEffect::ToneCurve)configuration.curve);
 
+    if (config.curve >= 0) {
+        _toneMappingEffect.setToneCurve((ToneMappingEffect::ToneCurve)config.curve);
     }
 }
 
@@ -169,7 +169,7 @@ void DrawDeferred::run(const SceneContextPointer& sceneContext, const RenderCont
     assert(renderContext->args);
     assert(renderContext->args->_viewFrustum);
 
-    auto& config = std::static_pointer_cast<Config>(renderContext->jobConfig);
+    auto config = std::static_pointer_cast<Config>(renderContext->jobConfig);
 
     RenderArgs* args = renderContext->args;
     gpu::doInBatch(args->_context, [&](gpu::Batch& batch) {
@@ -218,7 +218,7 @@ void DrawOverlay3D::run(const SceneContextPointer& sceneContext, const RenderCon
     auto& scene = sceneContext->_scene;
     auto& items = scene->getMasterBucket().at(ItemFilter::Builder::opaqueShape().withLayered());
 
-    auto& config = std::static_pointer_cast<Config>(renderContext->jobConfig);
+    auto config = std::static_pointer_cast<Config>(renderContext->jobConfig);
 
     ItemIDsBounds inItems;
     inItems.reserve(items.size());
diff --git a/libraries/render-utils/src/RenderDeferredTask.h b/libraries/render-utils/src/RenderDeferredTask.h
index 2aa6199b90..414b019b31 100755
--- a/libraries/render-utils/src/RenderDeferredTask.h
+++ b/libraries/render-utils/src/RenderDeferredTask.h
@@ -43,13 +43,13 @@ public:
 
 class ToneMappingConfig : public render::Job::Config {
     Q_OBJECT
-public:
-    ToneMappingConfig() : render::Job::Config(true) {}
-
     Q_PROPERTY(bool enabled MEMBER enabled)
     Q_PROPERTY(float exposure MEMBER exposure NOTIFY dirty);
     Q_PROPERTY(int curve MEMBER curve NOTIFY dirty);
-    float exposure{ 0.0 };
+public:
+    ToneMappingConfig() : render::Job::Config(true) {}
+
+    float exposure{ 0.0f };
     int curve{ 3 };
 signals:
     void dirty();
@@ -60,7 +60,7 @@ public:
     using Config = ToneMappingConfig;
     using JobModel = render::Job::Model<ToneMappingDeferred, Config>;
 
-    void configure(const Config&);
+    void configure(const Config& config);
     void run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext);
 
     ToneMappingEffect _toneMappingEffect;
@@ -68,9 +68,9 @@ public:
 
 class DrawConfig : public render::Job::Config {
     Q_OBJECT
-public:
     Q_PROPERTY(int numDrawn READ getNumDrawn)
     Q_PROPERTY(int maxDrawn MEMBER maxDrawn NOTIFY dirty)
+public:
     int getNumDrawn() { return numDrawn; }
 
     int numDrawn{ 0 };
@@ -91,7 +91,7 @@ public:
 
 protected:
     render::ShapePlumberPointer _shapePlumber;
-    int _maxDrawn{ -1 };
+    int _maxDrawn; // initialized by Config
 };
 
 class DrawStencilDeferred {
@@ -115,10 +115,10 @@ public:
 
 class DrawOverlay3DConfig : public render::Job::Config {
     Q_OBJECT
-public:
     Q_PROPERTY(int numItems READ getNumItems)
     Q_PROPERTY(int numDrawn READ getNumDrawn)
     Q_PROPERTY(int maxDrawn MEMBER maxDrawn NOTIFY dirty)
+public:
     int getNumItems() { return numItems; }
     int getNumDrawn() { return numDrawn; }
 
@@ -144,7 +144,7 @@ public:
 protected:
     static gpu::PipelinePointer _opaquePipeline; //lazy evaluation hence mutable
     render::ShapePlumberPointer _shapePlumber;
-    int _maxDrawn{ -1 };
+    int _maxDrawn; // initialized by Config
 };
 
 class Blit {
diff --git a/libraries/render-utils/src/RenderShadowTask.cpp b/libraries/render-utils/src/RenderShadowTask.cpp
index 0771fcd9bf..be6cd47f95 100644
--- a/libraries/render-utils/src/RenderShadowTask.cpp
+++ b/libraries/render-utils/src/RenderShadowTask.cpp
@@ -78,6 +78,7 @@ void RenderShadowMap::run(const render::SceneContextPointer& sceneContext, const
     });
 }
 
+// The shadow task *must* use this base ctor to initialize with its own Config, see Task.h
 RenderShadowTask::RenderShadowTask(CullFunctor cullFunctor) : Task(std::make_shared<Config>()) {
     cullFunctor = cullFunctor ? cullFunctor : [](const RenderArgs*, const AABox&){ return true; };
 
@@ -121,6 +122,7 @@ RenderShadowTask::RenderShadowTask(CullFunctor cullFunctor) : Task(std::make_sha
 
 void RenderShadowTask::configure(const Config& configuration) {
     DependencyManager::get<DeferredLightingEffect>()->setShadowMapEnabled(configuration.enabled);
+    // This is a task, so must still propogate configure() to its Jobs
     Task::configure(configuration);
 }
 
diff --git a/libraries/render-utils/src/RenderShadowTask.h b/libraries/render-utils/src/RenderShadowTask.h
index 5a5186f6f1..e1bf983b79 100644
--- a/libraries/render-utils/src/RenderShadowTask.h
+++ b/libraries/render-utils/src/RenderShadowTask.h
@@ -33,11 +33,10 @@ protected:
 
 class RenderShadowTaskConfig : public render::Task::Config {
     Q_OBJECT
+    Q_PROPERTY(bool enabled MEMBER enabled NOTIFY dirty)
 public:
     RenderShadowTaskConfig() : render::Task::Config(false) {}
 
-    Q_PROPERTY(bool enabled MEMBER enabled NOTIFY dirty)
-
 signals:
     void dirty();
 };
diff --git a/libraries/render/src/render/Context.h b/libraries/render/src/render/Context.h
index 0d8c1c8d04..04cf373146 100644
--- a/libraries/render/src/render/Context.h
+++ b/libraries/render/src/render/Context.h
@@ -31,7 +31,7 @@ public:
     RenderArgs* args;
     std::shared_ptr<JobConfig> jobConfig{ nullptr };
 };
-typedef std::shared_ptr<RenderContext> RenderContextPointer;
+using RenderContextPointer = std::shared_ptr<RenderContext>;
 
 }
 
diff --git a/libraries/render/src/render/DrawStatus.cpp b/libraries/render/src/render/DrawStatus.cpp
index eb7155c513..c043867c88 100644
--- a/libraries/render/src/render/DrawStatus.cpp
+++ b/libraries/render/src/render/DrawStatus.cpp
@@ -94,9 +94,9 @@ const gpu::TexturePointer DrawStatus::getStatusIconMap() const {
     return _statusIconMap;
 }
 
-void DrawStatus::configure(const Config& configuration) {
-    _showDisplay = configuration.showDisplay;
-    _showNetwork = configuration.showNetwork;
+void DrawStatus::configure(const Config& config) {
+    _showDisplay = config.showDisplay;
+    _showNetwork = config.showNetwork;
 }
 
 void DrawStatus::run(const SceneContextPointer& sceneContext,
diff --git a/libraries/render/src/render/DrawStatus.h b/libraries/render/src/render/DrawStatus.h
index 982eba4990..d1caeca673 100644
--- a/libraries/render/src/render/DrawStatus.h
+++ b/libraries/render/src/render/DrawStatus.h
@@ -18,14 +18,15 @@
 namespace render {
     class DrawStatusConfig : public Job::Config {
         Q_OBJECT
-    public:
-        DrawStatusConfig() : Job::Config(false) {}
-
         Q_PROPERTY(bool enabled MEMBER enabled)
         Q_PROPERTY(bool showDisplay MEMBER showDisplay NOTIFY dirty)
         Q_PROPERTY(bool showNetwork MEMBER showDisplay NOTIFY dirty)
+    public:
+        DrawStatusConfig() : Job::Config(false) {}
+
         bool showDisplay{ false };
         bool showNetwork{ false };
+
     signals:
         void dirty();
     };
@@ -38,7 +39,7 @@ namespace render {
         DrawStatus() {}
         DrawStatus(const gpu::TexturePointer statusIconMap) { setStatusIconMap(statusIconMap); }
 
-        void configure(const Config& configuration);
+        void configure(const Config& config);
         void run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const ItemIDsBounds& inItems);
 
         const gpu::PipelinePointer getDrawItemBoundsPipeline();
@@ -48,8 +49,8 @@ namespace render {
         const gpu::TexturePointer getStatusIconMap() const;
 
     protected:
-        bool _showDisplay{ false };
-        bool _showNetwork{ false };
+        bool _showDisplay; // initialized by Config
+        bool _showNetwork; // initialized by Config
 
         int _drawItemBoundPosLoc = -1;
         int _drawItemBoundDimLoc = -1;
diff --git a/libraries/render/src/render/DrawTask.h b/libraries/render/src/render/DrawTask.h
index 3ce1ed67fe..d2d9b0a80b 100755
--- a/libraries/render/src/render/DrawTask.h
+++ b/libraries/render/src/render/DrawTask.h
@@ -29,9 +29,10 @@ void renderShapes(const SceneContextPointer& sceneContext, const RenderContextPo
 
 class FetchItemsConfig : public Job::Config {
     Q_OBJECT
-public:
     Q_PROPERTY(int numItems READ getNumItems)
+public:
     int getNumItems() { return numItems; }
+
     int numItems{ 0 };
 };
 
@@ -45,7 +46,7 @@ public:
 
     ItemFilter _filter{ ItemFilter::Builder::opaqueShape().withoutLayered() };
 
-    void configure(const Config&) {}
+    void configure(const Config& config) {}
     void run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, ItemIDsBounds& outItems);
 };
 
diff --git a/libraries/render/src/render/Task.cpp b/libraries/render/src/render/Task.cpp
index 1ceea6befe..0bf20c6042 100644
--- a/libraries/render/src/render/Task.cpp
+++ b/libraries/render/src/render/Task.cpp
@@ -10,12 +10,6 @@
 //
 
 #include <QtCore/QThread>
-#include <qscriptengine.h> // QObject
-
-#include "Context.h"
-
-#include "gpu/Batch.h"
-#include <PerfStat.h>
 
 #include "Task.h"
 
diff --git a/libraries/render/src/render/Task.h b/libraries/render/src/render/Task.h
index cfe37c257e..ac05fbe68a 100644
--- a/libraries/render/src/render/Task.h
+++ b/libraries/render/src/render/Task.h
@@ -19,9 +19,6 @@
 #include "gpu/Batch.h"
 #include <PerfStat.h>
 
-// Prepare Qt for auto configurations
-Q_DECLARE_METATYPE(std::shared_ptr<QObject>)
-
 namespace render {
 
 // A varying piece of data, to be used as Job/Task I/O
@@ -53,25 +50,26 @@ protected:
     std::shared_ptr<Concept> _concept;
 };
 
+class Job;
+class Task;
+
 // A default Config is always on; to create an enableable Config, use the ctor JobConfig(bool enabled)
 class JobConfig : public QObject {
     Q_OBJECT
 public:
-    JobConfig() : alwaysEnabled{ true }, enabled{ true } {}
+    JobConfig() = default;
     JobConfig(bool enabled) : alwaysEnabled{ false }, enabled{ enabled } {}
 
     bool isEnabled() { return alwaysEnabled || enabled; }
 
     bool alwaysEnabled{ true };
-    bool enabled;
+    bool enabled{ true };
 };
 
-class Task;
-
 class TaskConfig : public JobConfig {
     Q_OBJECT
 public:
-    TaskConfig() : JobConfig() {}
+    TaskConfig() = default ;
     TaskConfig(bool enabled) : JobConfig(enabled) {}
 
     void init(Task* task) { _task = task; }
@@ -82,6 +80,7 @@ public:
     }
 
     template <class T> void setJobEnabled(bool enable = true, std::string job = "") {
+        assert(getConfig<T>(job)->alwaysEnabled != true);
         getConfig<T>(job)->enabled = enable;
         refresh(); // trigger a Job->configure
     }
@@ -96,24 +95,23 @@ private:
     Task* _task;
 };
 
-template <class T, class C> void jobConfigure(T& model, const C& configuration) {
-    model.configure(configuration);
+template <class T, class C> void jobConfigure(T& data, const C& configuration) {
+    data.configure(configuration);
 }
 template<class T> void jobConfigure(T&, const JobConfig&) {
+    // nop, as the default JobConfig was used, so the data does not need a configure method
 }
-
-// FIXME: In c++17, use default classes of nullptr_t to combine these
-template <class T> void jobRun(T& model, const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext) {
-    model.run(sceneContext, renderContext);
+template <class T> void jobRun(T& data, const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext) {
+    data.run(sceneContext, renderContext);
 }
-template <class T, class I> void jobRunI(T& model, const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const I& input) {
-    model.run(sceneContext, renderContext, input);
+template <class T, class I> void jobRunI(T& data, const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const I& input) {
+    data.run(sceneContext, renderContext, input);
 }
-template <class T, class O> void jobRunO(T& model, const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, O& output) {
-    model.run(sceneContext, renderContext, output);
+template <class T, class O> void jobRunO(T& data, const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, O& output) {
+    data.run(sceneContext, renderContext, output);
 }
-template <class T, class I, class O> void jobRunIO(T& model, const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const I& input, O& output) {
-    model.run(sceneContext, renderContext, input, output);
+template <class T, class I, class O> void jobRunIO(T& data, const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const I& input, O& output) {
+    data.run(sceneContext, renderContext, input, output);
 }
 
 class Job {
@@ -285,12 +283,10 @@ public:
     public:
         using Data = T;
 
-        // TODO: Make Data a shared_ptr, and give Config a weak_ptr
         Data _data;
 
-        // The _config is unused; the model delegates to its data's _config
-        Model(Data data = Data()) : _data(data), Concept(std::make_shared<C>()) {
-            _config = _data._config;
+        Model(Data data = Data()) : Concept(std::make_shared<C>()), _data(data) {
+            _config = _data._config; // use the data's config
             std::static_pointer_cast<Config>(_config)->init(&_data);
 
             applyConfiguration();
@@ -341,7 +337,7 @@ public:
 protected:
     template <class T, class C> friend class Model;
 
-    QConfigPointer _config { nullptr };
+    QConfigPointer _config;
     Jobs _jobs;
 };