diff --git a/com.unity.render-pipelines.core/Runtime/Textures/RTHandleSystem.cs b/com.unity.render-pipelines.core/Runtime/Textures/RTHandleSystem.cs
index ca3bce10cc0..39e2ea0b63a 100644
--- a/com.unity.render-pipelines.core/Runtime/Textures/RTHandleSystem.cs
+++ b/com.unity.render-pipelines.core/Runtime/Textures/RTHandleSystem.cs
@@ -193,7 +193,7 @@ public void SetReferenceSize(int width, int height, MSAASamples msaaSamples, boo
                 lastFrameMaxSize = new Vector2(GetMaxWidth(), GetMaxHeight());
             }
 
-            if (DynamicResolutionHandler.instance.HardwareDynamicResIsEnabled())
+            if (DynamicResolutionHandler.instance.HardwareDynamicResIsEnabled() && m_HardwareDynamicResRequested)
             {
                 m_RTHandleProperties.rtHandleScale = new Vector4(1.0f, 1.0f, 1.0f, 1.0f);
             }
diff --git a/com.unity.render-pipelines.high-definition/CHANGELOG.md b/com.unity.render-pipelines.high-definition/CHANGELOG.md
index ae9fd6b3690..6818bdc6c38 100644
--- a/com.unity.render-pipelines.high-definition/CHANGELOG.md
+++ b/com.unity.render-pipelines.high-definition/CHANGELOG.md
@@ -49,6 +49,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed issue that allocated a small cookie for normal spot lights.
 - Fixed issue when undoing a change in diffuse profile list after deleting the volume profile.
 - Fixed custom pass re-ordering and removing.
+- Fixed TAA issue and hardware dynamic resolution.
 
 ### Changed
 - Preparation pass for RTSSShadows to be supported by render graph.
diff --git a/com.unity.render-pipelines.high-definition/Runtime/PostProcessing/Shaders/TemporalAntialiasing.hlsl b/com.unity.render-pipelines.high-definition/Runtime/PostProcessing/Shaders/TemporalAntialiasing.hlsl
index 0581bb2186e..3af4237d52c 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/PostProcessing/Shaders/TemporalAntialiasing.hlsl
+++ b/com.unity.render-pipelines.high-definition/Runtime/PostProcessing/Shaders/TemporalAntialiasing.hlsl
@@ -306,7 +306,7 @@ float ModifyBlendWithMotionVectorRejection(TEXTURE2D_X(VelocityMagnitudeTexture)
     // TODO: This needs some refinement, it can lead to some annoying flickering coming back on strong camera movement.
 #if VELOCITY_REJECTION
 
-    float prevMVLen = Fetch(VelocityMagnitudeTexture, prevUV, 0, _RTHandleScaleHistory.xy).x;
+    float prevMVLen = Fetch(VelocityMagnitudeTexture, prevUV, 0, _RTHandleScaleHistory.zw).x;
     float diff = abs(mvLen - prevMVLen);
 
     // We don't start rejecting until we have the equivalent of around 40 texels in 1080p
@@ -325,7 +325,7 @@ float ModifyBlendWithMotionVectorRejection(TEXTURE2D_X(VelocityMagnitudeTexture)
 
 CTYPE HistoryBilinear(TEXTURE2D_X(HistoryTexture), float2 UV)
 {
-    CTYPE color = Fetch4(HistoryTexture, UV, 0.0, _RTHandleScaleHistory.xy).CTYPE_SWIZZLE;
+    CTYPE color = Fetch4(HistoryTexture, UV, 0.0, _RTHandleScaleHistory.zw).CTYPE_SWIZZLE;
     return color;
 }
 
@@ -351,11 +351,11 @@ CTYPE HistoryBicubic5Tap(TEXTURE2D_X(HistoryTexture), float2 UV, float sharpenin
     float2 tc3 = historyBufferInfo.zw   * (tc1 + 2.0);
     float2 tc12 = historyBufferInfo.zw  * (tc1 + w2 / w12);
 
-    CTYPE s0 = Fetch4(HistoryTexture, float2(tc12.x, tc0.y), 0.0, _RTHandleScaleHistory.xy).CTYPE_SWIZZLE;
-    CTYPE s1 = Fetch4(HistoryTexture, float2(tc0.x, tc12.y), 0.0, _RTHandleScaleHistory.xy).CTYPE_SWIZZLE;
-    CTYPE s2 = Fetch4(HistoryTexture, float2(tc12.x, tc12.y), 0.0, _RTHandleScaleHistory.xy).CTYPE_SWIZZLE;
-    CTYPE s3 = Fetch4(HistoryTexture, float2(tc3.x, tc0.y), 0.0, _RTHandleScaleHistory.xy).CTYPE_SWIZZLE;
-    CTYPE s4 = Fetch4(HistoryTexture, float2(tc12.x, tc3.y), 0.0, _RTHandleScaleHistory.xy).CTYPE_SWIZZLE;
+    CTYPE s0 = Fetch4(HistoryTexture, float2(tc12.x, tc0.y), 0.0, _RTHandleScaleHistory.zw).CTYPE_SWIZZLE;
+    CTYPE s1 = Fetch4(HistoryTexture, float2(tc0.x, tc12.y), 0.0, _RTHandleScaleHistory.zw).CTYPE_SWIZZLE;
+    CTYPE s2 = Fetch4(HistoryTexture, float2(tc12.x, tc12.y), 0.0, _RTHandleScaleHistory.zw).CTYPE_SWIZZLE;
+    CTYPE s3 = Fetch4(HistoryTexture, float2(tc3.x, tc0.y), 0.0, _RTHandleScaleHistory.zw).CTYPE_SWIZZLE;
+    CTYPE s4 = Fetch4(HistoryTexture, float2(tc12.x, tc3.y), 0.0, _RTHandleScaleHistory.zw).CTYPE_SWIZZLE;
 
     float cw0 = (w12.x * w0.y);
     float cw1 = (w0.x * w12.y);