diff --git a/interface/resources/qml/hifi/tablet/ControllerSettings.qml b/interface/resources/qml/hifi/tablet/ControllerSettings.qml
index ffd3d81b84..0beb28977e 100644
--- a/interface/resources/qml/hifi/tablet/ControllerSettings.qml
+++ b/interface/resources/qml/hifi/tablet/ControllerSettings.qml
@@ -172,7 +172,7 @@ StackView {
             source: InputConfiguration.configurationLayout(box.currentText);
             onLoaded: {
                 if (loader.item.hasOwnProperty("pluginName")) {
-                    if (box.currentText === "Vive") {
+                    if (box.currentText === "HTC Vive") {
                         loader.item.pluginName = "OpenVR";
                     } else {
                         loader.item.pluginName = box.currentText;
diff --git a/libraries/entities-renderer/src/RenderableZoneEntityItem.cpp b/libraries/entities-renderer/src/RenderableZoneEntityItem.cpp
index 5a3caa55fe..5062162b6e 100644
--- a/libraries/entities-renderer/src/RenderableZoneEntityItem.cpp
+++ b/libraries/entities-renderer/src/RenderableZoneEntityItem.cpp
@@ -251,7 +251,7 @@ void ZoneEntityRenderer::doRenderUpdateSynchronousTyped(const ScenePointer& scen
         updateAmbientLightFromEntity(entity);
     }
 
-    if (skyboxChanged) {
+    if (skyboxChanged || _proceduralUserData != entity->getUserData()) {
         updateKeyBackgroundFromEntity(entity);
     }
 
@@ -295,6 +295,10 @@ bool ZoneEntityRenderer::needsRenderUpdateFromTypedEntity(const TypedEntityPoint
         return true;
     }
 
+    if (entity->getUserData() != _proceduralUserData) {
+        return true;
+    }
+
 #if 0
     if (_typedEntity->getCompoundShapeURL() != _lastShapeURL) {
         return true;
diff --git a/libraries/graphics/src/graphics/skybox.slf b/libraries/graphics/src/graphics/skybox.slf
index 7b25e36af7..153e73b9ef 100755
--- a/libraries/graphics/src/graphics/skybox.slf
+++ b/libraries/graphics/src/graphics/skybox.slf
@@ -35,8 +35,11 @@ void main(void) {
 #ifdef PROCEDURAL
 
     vec3 color = getSkyboxColor();
-     // Procedural Shaders are expected to be Gamma corrected so let's bring back the RGB in linear space for the rest of the pipeline
-     color = pow(color, vec3(2.2));
+    // Protect from NaNs and negative values
+    color = mix(color, vec3(0), isnan(color));
+    color = max(color, vec3(0));
+    // Procedural Shaders are expected to be Gamma corrected so let's bring back the RGB in linear space for the rest of the pipeline
+    color = pow(color, vec3(2.2));
     _fragColor = vec4(color, 0.0);
 
     // FIXME: scribe does not yet scrub out else statements
diff --git a/libraries/procedural/src/procedural/Procedural.cpp b/libraries/procedural/src/procedural/Procedural.cpp
index 19c4a62443..f93605b730 100644
--- a/libraries/procedural/src/procedural/Procedural.cpp
+++ b/libraries/procedural/src/procedural/Procedural.cpp
@@ -272,18 +272,24 @@ void Procedural::prepare(gpu::Batch& batch, const glm::vec3& position, const glm
         // Leave this here for debugging
         // qCDebug(procedural) << "FragmentShader:\n" << fragmentShaderSource.c_str();
 
+		gpu::Shader::BindingSet slotBindings;
+		slotBindings.insert(gpu::Shader::Binding(std::string("iChannel0"), 0));
+		slotBindings.insert(gpu::Shader::Binding(std::string("iChannel1"), 1));
+		slotBindings.insert(gpu::Shader::Binding(std::string("iChannel2"), 2));
+		slotBindings.insert(gpu::Shader::Binding(std::string("iChannel3"), 3));
+
         _opaqueFragmentShader = gpu::Shader::createPixel(opaqueShaderSource);
         _opaqueShader = gpu::Shader::createProgram(_vertexShader, _opaqueFragmentShader);
-        _transparentFragmentShader = gpu::Shader::createPixel(transparentShaderSource);
-        _transparentShader = gpu::Shader::createProgram(_vertexShader, _transparentFragmentShader);
+		gpu::Shader::makeProgram(*_opaqueShader, slotBindings);
 
-        gpu::Shader::BindingSet slotBindings;
-        slotBindings.insert(gpu::Shader::Binding(std::string("iChannel0"), 0));
-        slotBindings.insert(gpu::Shader::Binding(std::string("iChannel1"), 1));
-        slotBindings.insert(gpu::Shader::Binding(std::string("iChannel2"), 2));
-        slotBindings.insert(gpu::Shader::Binding(std::string("iChannel3"), 3));
-        gpu::Shader::makeProgram(*_opaqueShader, slotBindings);
-        gpu::Shader::makeProgram(*_transparentShader, slotBindings);
+		if (!transparentShaderSource.empty() && transparentShaderSource != opaqueShaderSource) {
+			_transparentFragmentShader = gpu::Shader::createPixel(transparentShaderSource);
+			_transparentShader = gpu::Shader::createProgram(_vertexShader, _transparentFragmentShader);
+			gpu::Shader::makeProgram(*_transparentShader, slotBindings);
+		} else {
+			_transparentFragmentShader = _opaqueFragmentShader;
+			_transparentShader = _opaqueShader;
+		}
 
         _opaquePipeline = gpu::Pipeline::create(_opaqueShader, _opaqueState);
         _transparentPipeline = gpu::Pipeline::create(_transparentShader, _transparentState);