diff --git a/Documents/CHANGELOG.txt b/Documents/CHANGELOG.txt
index 52098fa3..5847a789 100644
--- a/Documents/CHANGELOG.txt
+++ b/Documents/CHANGELOG.txt
@@ -1,4 +1,4 @@
-WIP 2.3.5
+RELEASE 2.3.5
 FEATURES HIGHLIGHT:
  - Added new awesome vertex snapping feature on vertex drag. Many thanks to perturbare for this wonderful contibution! The feature is implemented around DragBehaviour class 
  and is represented in several new settings allowing the drag to be perform around some sort of virtual snap grid. Please read the comment for the DragBehaviour class for detailed info.
diff --git a/Examples/ShowcaseApp.WPF/ExampleModels/OrthEr.cs b/Examples/ShowcaseApp.WPF/ExampleModels/OrthEr.cs
index 32b0eda7..4ecea82c 100644
--- a/Examples/ShowcaseApp.WPF/ExampleModels/OrthEr.cs
+++ b/Examples/ShowcaseApp.WPF/ExampleModels/OrthEr.cs
@@ -43,5 +43,14 @@ public override void Compute(CancellationToken cancellationToken)
 
             }
         }
+
+        /// <summary>
+        /// Compute edge routing for single edge
+        /// </summary>
+        /// <param name="edge">Supplied edge data</param>
+        public override Point[] ComputeSingle(TEdge edge)
+        {
+            return null;
+        }
     }
 }