Merge branch 'master' of https://github.com/BabylonJS/Babylon.js

dist/preview release/gui/readme.md

@@ -27,7 +27,7 @@ If using TypeScript, the typing needs to be added to tsconfig.json:
     "types": [
         "babylonjs",
         "babylonjs-gui",
-        "angularFTW"
+        "otherImportsYouMightNeed"
     ],
     ....
 ```

src/Materials/Node/nodeMaterial.ts

@@ -1216,6 +1216,7 @@ export class NodeMaterial extends PushMaterial {
         let nodeMaterial = SerializationHelper.Parse(() => new NodeMaterial(source.name, scene), source, scene, rootUrl);
 
         nodeMaterial.loadFromSerialization(source, rootUrl);
+        nodeMaterial.build();
 
         return nodeMaterial;
     }