diff --git a/build/three.js b/build/three.js
index 47fb73edde2f7da63c14dcfa118510be7b0bbd99..bb11aa65b8ee19edc52ddc68db5f9ef017c591c8 100644
--- a/build/three.js
+++ b/build/three.js
@@ -4,7 +4,7 @@
  * @author mrdoob / http://mrdoob.com/
  */
 
-var THREE = { REVISION: '79dev' };
+var THREE = { REVISION: '79' };
 
 //
 
@@ -17707,7 +17707,7 @@ THREE.DirectionalLight = function ( color, intensity ) {
 
 	this.type = 'DirectionalLight';
 
-	this.position.set( 0, 1, 0 );
+	this.position.copy( THREE.Object3D.DefaultUp );
 	this.updateMatrix();
 
 	this.target = new THREE.Object3D();
@@ -17766,7 +17766,7 @@ THREE.HemisphereLight = function ( skyColor, groundColor, intensity ) {
 
 	this.castShadow = undefined;
 
-	this.position.set( 0, 1, 0 );
+	this.position.copy( THREE.Object3D.DefaultUp );
 	this.updateMatrix();
 
 	this.groundColor = new THREE.Color( groundColor );
@@ -17854,7 +17854,7 @@ THREE.SpotLight = function ( color, intensity, distance, angle, penumbra, decay
 
 	this.type = 'SpotLight';
 
-	this.position.set( 0, 1, 0 );
+	this.position.copy( THREE.Object3D.DefaultUp );
 	this.updateMatrix();
 
 	this.target = new THREE.Object3D();
diff --git a/build/three.min.js b/build/three.min.js
index 64cad2e875ee1044785d4dc307da906a4ed8aec9..a955ba13d67da5143fdadcb2d67312e16e1e8c8f 100644
--- a/build/three.min.js
+++ b/build/three.min.js
@@ -1,5 +1,5 @@
 // threejs.org/license
-'use strict';var THREE={REVISION:"79dev"};"function"===typeof define&&define.amd?define("three",THREE):"undefined"!==typeof exports&&"undefined"!==typeof module&&(module.exports=THREE);void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52));void 0===Math.sign&&(Math.sign=function(a){return 0>a?-1:0<a?1:+a});void 0===Function.prototype.name&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*(\S*)\s*\(/)[1]}});
+'use strict';var THREE={REVISION:"79"};"function"===typeof define&&define.amd?define("three",THREE):"undefined"!==typeof exports&&"undefined"!==typeof module&&(module.exports=THREE);void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52));void 0===Math.sign&&(Math.sign=function(a){return 0>a?-1:0<a?1:+a});void 0===Function.prototype.name&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*(\S*)\s*\(/)[1]}});
 void 0===Object.assign&&function(){Object.assign=function(a){if(void 0===a||null===a)throw new TypeError("Cannot convert undefined or null to object");for(var b=Object(a),c=1;c<arguments.length;c++){var d=arguments[c];if(void 0!==d&&null!==d)for(var e in d)Object.prototype.hasOwnProperty.call(d,e)&&(b[e]=d[e])}return b}}();
 Object.assign(THREE,{MOUSE:{LEFT:0,MIDDLE:1,RIGHT:2},CullFaceNone:0,CullFaceBack:1,CullFaceFront:2,CullFaceFrontBack:3,FrontFaceDirectionCW:0,FrontFaceDirectionCCW:1,BasicShadowMap:0,PCFShadowMap:1,PCFSoftShadowMap:2,FrontSide:0,BackSide:1,DoubleSide:2,FlatShading:1,SmoothShading:2,NoColors:0,FaceColors:1,VertexColors:2,NoBlending:0,NormalBlending:1,AdditiveBlending:2,SubtractiveBlending:3,MultiplyBlending:4,CustomBlending:5,AddEquation:100,SubtractEquation:101,ReverseSubtractEquation:102,MinEquation:103,
 MaxEquation:104,ZeroFactor:200,OneFactor:201,SrcColorFactor:202,OneMinusSrcColorFactor:203,SrcAlphaFactor:204,OneMinusSrcAlphaFactor:205,DstAlphaFactor:206,OneMinusDstAlphaFactor:207,DstColorFactor:208,OneMinusDstColorFactor:209,SrcAlphaSaturateFactor:210,NeverDepth:0,AlwaysDepth:1,LessDepth:2,LessEqualDepth:3,EqualDepth:4,GreaterEqualDepth:5,GreaterDepth:6,NotEqualDepth:7,MultiplyOperation:0,MixOperation:1,AddOperation:2,NoToneMapping:0,LinearToneMapping:1,ReinhardToneMapping:2,Uncharted2ToneMapping:3,
@@ -362,12 +362,12 @@ Object.assign(THREE.StereoCamera.prototype,{update:function(){var a,b,c,d,e,f=ne
 p=-m*c-l;n=m*c-l;k.elements[0]=2*d/(n-p);k.elements[8]=(n+p)/(n-p);this.cameraR.projectionMatrix.copy(k)}this.cameraL.matrixWorld.copy(h.matrixWorld).multiply(g);this.cameraR.matrixWorld.copy(h.matrixWorld).multiply(f)}}()});THREE.Light=function(a,b){THREE.Object3D.call(this);this.type="Light";this.color=new THREE.Color(a);this.intensity=void 0!==b?b:1;this.receiveShadow=void 0};
 THREE.Light.prototype=Object.assign(Object.create(THREE.Object3D.prototype),{constructor:THREE.Light,copy:function(a){THREE.Object3D.prototype.copy.call(this,a);this.color.copy(a.color);this.intensity=a.intensity;return this},toJSON:function(a){a=THREE.Object3D.prototype.toJSON.call(this,a);a.object.color=this.color.getHex();a.object.intensity=this.intensity;void 0!==this.groundColor&&(a.object.groundColor=this.groundColor.getHex());void 0!==this.distance&&(a.object.distance=this.distance);void 0!==
 this.angle&&(a.object.angle=this.angle);void 0!==this.decay&&(a.object.decay=this.decay);void 0!==this.penumbra&&(a.object.penumbra=this.penumbra);return a}});THREE.LightShadow=function(a){this.camera=a;this.bias=0;this.radius=1;this.mapSize=new THREE.Vector2(512,512);this.map=null;this.matrix=new THREE.Matrix4};Object.assign(THREE.LightShadow.prototype,{copy:function(a){this.camera=a.camera.clone();this.bias=a.bias;this.radius=a.radius;this.mapSize.copy(a.mapSize);return this},clone:function(){return(new this.constructor).copy(this)}});
-THREE.AmbientLight=function(a,b){THREE.Light.call(this,a,b);this.type="AmbientLight";this.castShadow=void 0};THREE.AmbientLight.prototype=Object.assign(Object.create(THREE.Light.prototype),{constructor:THREE.AmbientLight});THREE.DirectionalLight=function(a,b){THREE.Light.call(this,a,b);this.type="DirectionalLight";this.position.set(0,1,0);this.updateMatrix();this.target=new THREE.Object3D;this.shadow=new THREE.DirectionalLightShadow};
+THREE.AmbientLight=function(a,b){THREE.Light.call(this,a,b);this.type="AmbientLight";this.castShadow=void 0};THREE.AmbientLight.prototype=Object.assign(Object.create(THREE.Light.prototype),{constructor:THREE.AmbientLight});THREE.DirectionalLight=function(a,b){THREE.Light.call(this,a,b);this.type="DirectionalLight";this.position.copy(THREE.Object3D.DefaultUp);this.updateMatrix();this.target=new THREE.Object3D;this.shadow=new THREE.DirectionalLightShadow};
 THREE.DirectionalLight.prototype=Object.assign(Object.create(THREE.Light.prototype),{constructor:THREE.DirectionalLight,copy:function(a){THREE.Light.prototype.copy.call(this,a);this.target=a.target.clone();this.shadow=a.shadow.clone();return this}});THREE.DirectionalLightShadow=function(a){THREE.LightShadow.call(this,new THREE.OrthographicCamera(-5,5,5,-5,.5,500))};THREE.DirectionalLightShadow.prototype=Object.assign(Object.create(THREE.LightShadow.prototype),{constructor:THREE.DirectionalLightShadow});
-THREE.HemisphereLight=function(a,b,c){THREE.Light.call(this,a,c);this.type="HemisphereLight";this.castShadow=void 0;this.position.set(0,1,0);this.updateMatrix();this.groundColor=new THREE.Color(b)};THREE.HemisphereLight.prototype=Object.assign(Object.create(THREE.Light.prototype),{constructor:THREE.HemisphereLight,copy:function(a){THREE.Light.prototype.copy.call(this,a);this.groundColor.copy(a.groundColor);return this}});
+THREE.HemisphereLight=function(a,b,c){THREE.Light.call(this,a,c);this.type="HemisphereLight";this.castShadow=void 0;this.position.copy(THREE.Object3D.DefaultUp);this.updateMatrix();this.groundColor=new THREE.Color(b)};THREE.HemisphereLight.prototype=Object.assign(Object.create(THREE.Light.prototype),{constructor:THREE.HemisphereLight,copy:function(a){THREE.Light.prototype.copy.call(this,a);this.groundColor.copy(a.groundColor);return this}});
 THREE.PointLight=function(a,b,c,d){THREE.Light.call(this,a,b);this.type="PointLight";Object.defineProperty(this,"power",{get:function(){return 4*this.intensity*Math.PI},set:function(a){this.intensity=a/(4*Math.PI)}});this.distance=void 0!==c?c:0;this.decay=void 0!==d?d:1;this.shadow=new THREE.LightShadow(new THREE.PerspectiveCamera(90,1,.5,500))};
 THREE.PointLight.prototype=Object.assign(Object.create(THREE.Light.prototype),{constructor:THREE.PointLight,copy:function(a){THREE.Light.prototype.copy.call(this,a);this.distance=a.distance;this.decay=a.decay;this.shadow=a.shadow.clone();return this}});
-THREE.SpotLight=function(a,b,c,d,e,f){THREE.Light.call(this,a,b);this.type="SpotLight";this.position.set(0,1,0);this.updateMatrix();this.target=new THREE.Object3D;Object.defineProperty(this,"power",{get:function(){return this.intensity*Math.PI},set:function(a){this.intensity=a/Math.PI}});this.distance=void 0!==c?c:0;this.angle=void 0!==d?d:Math.PI/3;this.penumbra=void 0!==e?e:0;this.decay=void 0!==f?f:1;this.shadow=new THREE.SpotLightShadow};
+THREE.SpotLight=function(a,b,c,d,e,f){THREE.Light.call(this,a,b);this.type="SpotLight";this.position.copy(THREE.Object3D.DefaultUp);this.updateMatrix();this.target=new THREE.Object3D;Object.defineProperty(this,"power",{get:function(){return this.intensity*Math.PI},set:function(a){this.intensity=a/Math.PI}});this.distance=void 0!==c?c:0;this.angle=void 0!==d?d:Math.PI/3;this.penumbra=void 0!==e?e:0;this.decay=void 0!==f?f:1;this.shadow=new THREE.SpotLightShadow};
 THREE.SpotLight.prototype=Object.assign(Object.create(THREE.Light.prototype),{constructor:THREE.SpotLight,copy:function(a){THREE.Light.prototype.copy.call(this,a);this.distance=a.distance;this.angle=a.angle;this.penumbra=a.penumbra;this.decay=a.decay;this.target=a.target.clone();this.shadow=a.shadow.clone();return this}});THREE.SpotLightShadow=function(){THREE.LightShadow.call(this,new THREE.PerspectiveCamera(50,1,.5,500))};
 THREE.SpotLightShadow.prototype=Object.assign(Object.create(THREE.LightShadow.prototype),{constructor:THREE.SpotLightShadow,update:function(a){var b=2*THREE.Math.RAD2DEG*a.angle,c=this.mapSize.width/this.mapSize.height;a=a.distance||500;var d=this.camera;if(b!==d.fov||c!==d.aspect||a!==d.far)d.fov=b,d.aspect=c,d.far=a,d.updateProjectionMatrix()}});THREE.AudioLoader=function(a){this.manager=void 0!==a?a:THREE.DefaultLoadingManager};
 Object.assign(THREE.AudioLoader.prototype,{load:function(a,b,c,d){var e=new THREE.XHRLoader(this.manager);e.setResponseType("arraybuffer");e.load(a,function(a){THREE.AudioContext.decodeAudioData(a,function(a){b(a)})},c,d)}});THREE.Cache={enabled:!1,files:{},add:function(a,b){!1!==this.enabled&&(this.files[a]=b)},get:function(a){if(!1!==this.enabled)return this.files[a]},remove:function(a){delete this.files[a]},clear:function(){this.files={}}};
diff --git a/package.json b/package.json
index 20d7231d9a1665d1cb9f8fc64a78eb7c9ba1677a..7eb81b20f96cdcdca2d8853cd2a6ef8b56038b3e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "three",
-  "version": "0.78.0",
+  "version": "0.79.0",
   "description": "JavaScript 3D library",
   "main": "build/three.js",
   "files": [
diff --git a/src/Three.js b/src/Three.js
index 935c206ae21d5ddc2fbb9b7a4daf8296af60a03b..851975f47fbdb0f288cc1f24b256ef75566cfe20 100644
--- a/src/Three.js
+++ b/src/Three.js
@@ -2,7 +2,7 @@
  * @author mrdoob / http://mrdoob.com/
  */
 
-var THREE = { REVISION: '79dev' };
+var THREE = { REVISION: '79' };
 
 //