[shaderGraph]

*Use last shader string instead of hash.

UnityProject/Assets/UnityShaderEditor/Editor/Source/AssetCallbacks/CreateShaderGraph.cs

             var graph = CreateInstance<MaterialGraph>();
             graph.name = Path.GetFileName(pathName);
             AssetDatabase.CreateAsset(graph, pathName);
-            graph.CreateSubAssets();
+            graph.AddSubAssetsToAsset();
         }
     }
 }

UnityProject/Assets/UnityShaderEditor/Editor/Source/AssetCallbacks/CreateShaderSubGraph.cs

             var graph = CreateInstance<MaterialSubGraph>();
             graph.name = Path.GetFileName(pathName);
             AssetDatabase.CreateAsset(graph, pathName);
-            graph.CreateSubAssets();
+            graph.AddSubAssetsToAsset();
         }
     }*/
 }

UnityProject/Assets/UnityShaderEditor/Editor/Source/MaterialGraph.cs

             //      m_MaterialProperties.OnChangePreviewState -= OnChangePreviewState;
         }
         
-        public void CreateSubAssets()
+        public void AddSubAssetsToAsset()
         {
             AssetDatabase.AddObjectToAsset(m_MaterialOptions, this);
             AssetDatabase.AddObjectToAsset(m_PixelGraph, this);

UnityProject/Assets/UnityShaderEditor/Editor/Source/Nodes/BaseMaterialNode.cs

         }
 
         [SerializeField]
-        private int m_LastShaderHash;
+        private string m_LastShader;
 
         [SerializeField]
         private Shader m_PreviewShader;
                 m_PreviewShader = ShaderUtil.CreateShaderAsset(resultShader);
                 m_PreviewShader.hideFlags = HideFlags.HideInHierarchy;
                 AssetDatabase.AddObjectToAsset(m_PreviewShader, this);
-                m_LastShaderHash = resultShader.GetHashCode();
+                m_LastShader = resultShader;
-                if (hash != m_LastShaderHash)
+                if (string.CompareOrdinal(resultShader, m_LastShader) != 0)
-                    m_LastShaderHash = hash;
+                    m_LastShader = resultShader;
                 }
             }