BufferGeometry.updateFromObject() uvs handling. Thanks @WestLangley. See #7179.

src/core/BufferGeometry.js

@@ -329,7 +329,7 @@ THREE.BufferGeometry.prototype = {
 
 				var lineDistances = new THREE.Float32Attribute( geometry.lineDistances.length, 1 );
 
-				this.addAttribute( 'lineDistance',  lineDistances.copyArray( geometry.lineDistances ) );
+				this.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );
 
 			}
 
@@ -434,6 +434,21 @@ THREE.BufferGeometry.prototype = {
 
 		}
 
+		if ( geometry.uvsNeedUpdate ) {
+
+				var attribute = this.attributes.uv;
+
+				if ( attribute !== undefined ) {
+
+						attribute.copyVector2sArray( geometry.uvs );
+						attribute.needsUpdate = true;
+
+				}
+
+				geometry.uvsNeedUpdate = false;
+
+		}
+
 		if ( geometry.lineDistancesNeedUpdate ) {
 
 			var attribute = this.attributes.lineDistance;