diff --git a/Scripts/Editor/NodeEditorAction.cs b/Scripts/Editor/NodeEditorAction.cs
index efc1cb6..b4f6562 100644
--- a/Scripts/Editor/NodeEditorAction.cs
+++ b/Scripts/Editor/NodeEditorAction.cs
@@ -136,12 +136,7 @@ namespace XNodeEditor {
                             Repaint();
                         }
                     } else if (e.button == 1 || e.button == 2) {
-                        Vector2 tempOffset = panOffset;
-                        tempOffset += e.delta * zoom;
-                        // Round value to increase crispyness of UI text
-                        tempOffset.x = Mathf.Round(tempOffset.x);
-                        tempOffset.y = Mathf.Round(tempOffset.y);
-                        panOffset = tempOffset;
+                        panOffset += e.delta * zoom;
                         isPanning = true;
                     }
                     break;
@@ -276,6 +271,7 @@ namespace XNodeEditor {
                                 GenericMenu menu = new GenericMenu();
                                 NodeEditor.GetEditor(hoveredNode).AddContextMenuItems(menu);
                                 menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
+                                e.Use(); // Fixes copy/paste context menu appearing in Unity 5.6.6f2 - doesn't occur in 2018.3.2f1 Probably needs to be used in other places.
                             } else if (!IsHoveringNode) {
                                 GenericMenu menu = new GenericMenu();
                                 graphEditor.AddContextMenuItems(menu);
diff --git a/Scripts/Editor/NodeEditorWindow.cs b/Scripts/Editor/NodeEditorWindow.cs
index 72fd4ce..740fd20 100644
--- a/Scripts/Editor/NodeEditorWindow.cs
+++ b/Scripts/Editor/NodeEditorWindow.cs
@@ -123,8 +123,9 @@ namespace XNodeEditor {
 
         public Vector2 GridToWindowPositionNoClipped(Vector2 gridPosition) {
             Vector2 center = position.size * 0.5f;
-            float xOffset = (center.x * zoom + (panOffset.x + gridPosition.x));
-            float yOffset = (center.y * zoom + (panOffset.y + gridPosition.y));
+            // UI Sharpness complete fix - Round final offset not panOffset
+            float xOffset = Mathf.Round(center.x * zoom + (panOffset.x + gridPosition.x));
+            float yOffset = Mathf.Round(center.y * zoom + (panOffset.y + gridPosition.y));
             return new Vector2(xOffset, yOffset);
         }