diff --git a/libraries/render-utils/src/AntialiasingEffect.h b/libraries/render-utils/src/AntialiasingEffect.h
index 03fdb9d9a4..19f204d930 100644
--- a/libraries/render-utils/src/AntialiasingEffect.h
+++ b/libraries/render-utils/src/AntialiasingEffect.h
@@ -26,7 +26,11 @@ class JitterSampleConfig : public render::Job::Config {
         Q_PROPERTY(bool stop MEMBER stop NOTIFY dirty)
         Q_PROPERTY(int index READ getIndex NOTIFY dirty)
 public:
-    JitterSampleConfig() : render::Job::Config(true) {}
+    JitterSampleConfig() : render::Job::Config(true) {
+        // FIXME: For RC66 disable Taa by default
+        // Disable jitter by default for now by default:
+        none();
+    }
 
     float scale{ 0.5f };
     bool stop{ false };
@@ -113,7 +117,10 @@ public:
     bool feedbackColor{ false };
 
     float debugX{ 0.0f };
-    float debugFXAAX{ 1.0f };
+    // FIXME: For RC66 disable Taa by default
+    // Fall back to FXAA :(
+    // float debugFXAAX{ 1.0f };
+    float debugFXAAX{ 0.0f };
     float debugShowVelocityThreshold{ 1.0f };
     glm::vec2 debugCursorTexcoord{ 0.5f, 0.5f };
     float debugOrbZoom{ 2.0f };
diff --git a/scripts/developer/utilities/render/antialiasing.qml b/scripts/developer/utilities/render/antialiasing.qml
index e8034c48bd..c46d753635 100644
--- a/scripts/developer/utilities/render/antialiasing.qml
+++ b/scripts/developer/utilities/render/antialiasing.qml
@@ -36,7 +36,7 @@ Rectangle {
             Row {
                 spacing: 10
                 id: fxaaOnOff
-                property bool debugFXAA: false
+                property bool debugFXAA: true
                 HifiControls.Button {
                     text: {
                         if (fxaaOnOff.debugFXAA) {