v.4.2.1
diff --git a/History.md b/History.md
index f93cd66..abb7af7 100644
--- a/History.md
+++ b/History.md
@@ -1,5 +1,9 @@
+## V 4.2.1
+- Expressions fix for AE 2015.3
+- Added bodymovin_light.js
+
 ## V 4.2.0
-- Much more expressions
+- More expressions support
 - Rounded corners supported on shapes
 - added goToAndPlay
 - Fixes
diff --git a/README.md b/README.md
index a500781..9b78c46 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,12 @@
 # bodymovin
 After Effects plugin for exporting animations to svg/canvas/html + js
 
+## V 4.2.1
+- Expressions fix for AE 2015.3
+- Added bodymovin_light.js
+
 ## V 4.2.0
-- Much more expressions
+- More expressions support
 - Rounded corners supported on shapes
 - added goToAndPlay
 - Fixes
diff --git a/extension/CSXS/manifest.xml b/extension/CSXS/manifest.xml
index f7564c8..d47e870 100644
--- a/extension/CSXS/manifest.xml
+++ b/extension/CSXS/manifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<ExtensionManifest Version="5.0" ExtensionBundleId="com.bodymovin.bodymovin" ExtensionBundleVersion="4.2.0"
+<ExtensionManifest Version="5.0" ExtensionBundleId="com.bodymovin.bodymovin" ExtensionBundleVersion="4.2.1"
 		ExtensionBundleName="bodymovin" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 	<ExtensionList>
-		<Extension Id="com.bodymovin.bodymovin" Version="4.2.0" />
+		<Extension Id="com.bodymovin.bodymovin" Version="4.2.1" />
 	</ExtensionList>
 	<ExecutionEnvironment>
 		<HostList>
diff --git a/extension/jsx/renderManager.jsx b/extension/jsx/renderManager.jsx
index 961f1c6..fb778fb 100644
--- a/extension/jsx/renderManager.jsx
+++ b/extension/jsx/renderManager.jsx
@@ -89,7 +89,7 @@
         exportData.assets = [];
         exportData.comps = [];
         exportData.fonts = [];
-        exportData.v = '4.2.0';
+        exportData.v = '4.2.1';
         exportData.ddd = 0;
         exportData.layers = [];
         exportData.ip = comp.workAreaStart * comp.frameRate;
diff --git a/gulpfile.js b/gulpfile.js
index 8b079ab..c7bae62 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -13,7 +13,7 @@
 var jshint = require('gulp-jshint');
 var rename = require('gulp-rename');
 
-var bm_version = '4.2.0';
+var bm_version = '4.2.1';
                   //(function (root, factory) { if(typeof define === "function" && define.amd) { define( factory); } else if(typeof module === "object" && module.exports) { module.exports = factory(); } else { root.bodymovin = factory(); } }(window, function() {<%= contents %>var bodymovinjs = {}; function play(animation){ animationManager.play(animation); } function pause(animation){ animationManager.pause(animation); } function togglePause(animation){ animationManager.togglePause(animation); } function setSpeed(value,animation){ animationManager.setSpeed(value, animation); } function setDirection(value,animation){ animationManager.setDirection(value, animation); } function stop(animation){ animationManager.stop(animation); } function moveFrame(value){ animationManager.moveFrame(value); } function searchAnimations(){ if(standalone === true){ animationManager.searchAnimations(animationData,standalone, renderer); }else{ animationManager.searchAnimations(); } } function registerAnimation(elem){ return animationManager.registerAnimation(elem); } function resize(){ animationManager.resize(); } function start(){ animationManager.start(); } function goToAndStop(val,isFrame, animation){ animationManager.goToAndStop(val,isFrame, animation); } function setSubframeRendering(flag){ subframeEnabled = flag; } function loadAnimation(params){ if(standalone === true){ params.animationData = JSON.parse(animationData); } return animationManager.loadAnimation(params); } function destroy(animation){ return animationManager.destroy(animation); } function setQuality(value){ if(typeof value === 'string'){ switch(value){ case 'high': defaultCurveSegments = 200; break; case 'medium': defaultCurveSegments = 50; break; case 'low': defaultCurveSegments = 10; break; } }else if(!isNaN(value) && value > 1){ defaultCurveSegments = value; } if(defaultCurveSegments >= 50){ roundValues(false); }else{ roundValues(true); } } function installPlugin(type,plugin){ if(type==='expressions'){ expressionsPlugin = plugin; } } function getFactory(name){ if(name === 'propertyFactory'){ return PropertyFactory; } } bodymovinjs.play = play; bodymovinjs.pause = pause; bodymovinjs.togglePause = togglePause; bodymovinjs.setSpeed = setSpeed; bodymovinjs.setDirection = setDirection; bodymovinjs.stop = stop; bodymovinjs.moveFrame = moveFrame; bodymovinjs.searchAnimations = searchAnimations; bodymovinjs.registerAnimation = registerAnimation; bodymovinjs.loadAnimation = loadAnimation; bodymovinjs.setSubframeRendering = setSubframeRendering; bodymovinjs.resize = resize; bodymovinjs.start = start; bodymovinjs.goToAndStop = goToAndStop; bodymovinjs.destroy = destroy; bodymovinjs.setQuality = setQuality; bodymovinjs.installPlugin = installPlugin; bodymovinjs.__getFactory = getFactory; bodymovinjs.version = '4.1.9'; function checkReady(){ if (document.readyState === "complete") { clearInterval(readyStateCheckInterval); searchAnimations(); } } function getQueryVariable(variable) { var vars = queryString.split('&'); for (var i = 0; i < vars.length; i++) { var pair = vars[i].split('='); if (decodeURIComponent(pair[0]) == variable) { return decodeURIComponent(pair[1]); } } } var standalone = '__[STANDALONE]__'; var animationData = '__[ANIMATIONDATA]__'; var renderer = ''; if(standalone) { var scripts = document.getElementsByTagName('script'); var index = scripts.length - 1; var myScript = scripts[index]; var queryString = myScript.src.replace(/^[^\?]+\??/,''); renderer = getQueryVariable('renderer'); } var readyStateCheckInterval = setInterval(checkReady, 100); return bodymovinjs; }));
   var moduleWrap = '(function (root, factory) { if(typeof define === "function" && define.amd) { define( factory); } else if(typeof module === "object" && module.exports) { module.exports = factory(); } else { root.bodymovin = factory(); } }(window, function() {<%= contents %>var bodymovinjs = {}; function play(animation){ animationManager.play(animation); } function pause(animation){ animationManager.pause(animation); } function togglePause(animation){ animationManager.togglePause(animation); } function setSpeed(value,animation){ animationManager.setSpeed(value, animation); } function setDirection(value,animation){ animationManager.setDirection(value, animation); } function stop(animation){ animationManager.stop(animation); } function moveFrame(value){ animationManager.moveFrame(value); } function searchAnimations(){ if(standalone === true){ animationManager.searchAnimations(animationData,standalone, renderer); }else{ animationManager.searchAnimations(); } } function registerAnimation(elem){ return animationManager.registerAnimation(elem); } function resize(){ animationManager.resize(); } function start(){ animationManager.start(); } function goToAndStop(val,isFrame, animation){ animationManager.goToAndStop(val,isFrame, animation); } function setSubframeRendering(flag){ subframeEnabled = flag; } function loadAnimation(params){ if(standalone === true){ params.animationData = JSON.parse(animationData); } return animationManager.loadAnimation(params); } function destroy(animation){ return animationManager.destroy(animation); } function setQuality(value){ if(typeof value === \'string\'){ switch(value){ case \'high\': defaultCurveSegments = 200; break; case \'medium\': defaultCurveSegments = 50; break; case \'low\': defaultCurveSegments = 10; break; } }else if(!isNaN(value) && value > 1){ defaultCurveSegments = value; } if(defaultCurveSegments >= 50){ roundValues(false); }else{ roundValues(true); } } function installPlugin(type,plugin){ if(type===\'expressions\'){ expressionsPlugin = plugin; } } function getFactory(name){ switch(name){ case "propertyFactory": return PropertyFactory;case "shapePropertyFactory": return ShapePropertyFactory; case "matrix": return Matrix; } } bodymovinjs.play = play; bodymovinjs.pause = pause; bodymovinjs.togglePause = togglePause; bodymovinjs.setSpeed = setSpeed; bodymovinjs.setDirection = setDirection; bodymovinjs.stop = stop; bodymovinjs.moveFrame = moveFrame; bodymovinjs.searchAnimations = searchAnimations; bodymovinjs.registerAnimation = registerAnimation; bodymovinjs.loadAnimation = loadAnimation; bodymovinjs.setSubframeRendering = setSubframeRendering; bodymovinjs.resize = resize; bodymovinjs.start = start; bodymovinjs.goToAndStop = goToAndStop; bodymovinjs.destroy = destroy; bodymovinjs.setQuality = setQuality; bodymovinjs.installPlugin = installPlugin; bodymovinjs.__getFactory = getFactory; bodymovinjs.version = \'4.1.9\'; function checkReady(){ if (document.readyState === "complete") { clearInterval(readyStateCheckInterval); searchAnimations(); } } function getQueryVariable(variable) { var vars = queryString.split(\'&\'); for (var i = 0; i < vars.length; i++) { var pair = vars[i].split(\'=\'); if (decodeURIComponent(pair[0]) == variable) { return decodeURIComponent(pair[1]); } } } var standalone = \'__[STANDALONE]__\'; var animationData = \'__[ANIMATIONDATA]__\'; var renderer = \'\'; if(standalone) { var scripts = document.getElementsByTagName(\'script\'); var index = scripts.length - 1; var myScript = scripts[index]; var queryString = myScript.src.replace(/^[^\\?]+\\??/,\'\'); renderer = getQueryVariable(\'renderer\'); } var readyStateCheckInterval = setInterval(checkReady, 100); return bodymovinjs; }));  ';
 //var moduleWrap = '(function (root, factory) { if(typeof define === "function" && define.amd) { define( factory); } else if(typeof module === "object" && module.exports) { module.exports = factory(); } else { root.bodymovin = factory(); } }(window, function() {<%= contents %>var bodymovinjs = {}; function play(animation){ animationManager.play(animation); } function pause(animation){ animationManager.pause(animation); } function togglePause(animation){ animationManager.togglePause(animation); } function setSpeed(value,animation){ animationManager.setSpeed(value, animation); } function setDirection(value,animation){ animationManager.setDirection(value, animation); } function stop(animation){ animationManager.stop(animation); } function moveFrame(value){ animationManager.moveFrame(value); } function searchAnimations(){ if(standalone === true){ animationManager.searchAnimations(animationData,standalone, renderer); }else{ animationManager.searchAnimations(); } } function registerAnimation(elem){ return animationManager.registerAnimation(elem); } function resize(){ animationManager.resize(); } function start(){ animationManager.start(); } function goToAndStop(val,isFrame, animation){ animationManager.goToAndStop(val,isFrame, animation); } function setSubframeRendering(flag){ subframeEnabled = flag; } function loadAnimation(params){ if(standalone === true){ params.animationData = JSON.parse(animationData); } return animationManager.loadAnimation(params); } function destroy(animation){ return animationManager.destroy(animation); } function setQuality(value){ if(typeof value === \'string\'){ switch(value){ case \'high\': defaultCurveSegments = 200; break; case \'medium\': defaultCurveSegments = 50; break; case \'low\': defaultCurveSegments = 10; break; } }else if(!isNaN(value) && value > 1){ defaultCurveSegments = value; } if(defaultCurveSegments >= 50){ roundValues(false); }else{ roundValues(true); } } bodymovinjs.play = play; bodymovinjs.pause = pause; bodymovinjs.togglePause = togglePause; bodymovinjs.setSpeed = setSpeed; bodymovinjs.setDirection = setDirection; bodymovinjs.stop = stop; bodymovinjs.moveFrame = moveFrame; bodymovinjs.searchAnimations = searchAnimations; bodymovinjs.registerAnimation = registerAnimation; bodymovinjs.loadAnimation = loadAnimation; bodymovinjs.setSubframeRendering = setSubframeRendering; bodymovinjs.resize = resize; bodymovinjs.start = start; bodymovinjs.goToAndStop = goToAndStop; bodymovinjs.destroy = destroy; bodymovinjs.setQuality = setQuality; bodymovinjs.version = \''+bm_version+'\'; function checkReady(){ if (document.readyState === "complete") { clearInterval(readyStateCheckInterval); searchAnimations(); } } function getQueryVariable(variable) { var vars = queryString.split(\'&\'); for (var i = 0; i < vars.length; i++) { var pair = vars[i].split(\'=\'); if (decodeURIComponent(pair[0]) == variable) { return decodeURIComponent(pair[1]); } } } var standalone = \'__[STANDALONE]__\'; var animationData = \'__[ANIMATIONDATA]__\'; var renderer = \'\'; if(standalone) { var scripts = document.getElementsByTagName(\'script\'); var index = scripts.length - 1; var myScript = scripts[index]; var queryString = myScript.src.replace(/^[^\\?]+\\??/,\'\'); renderer = getQueryVariable(\'renderer\'); } var readyStateCheckInterval = setInterval(checkReady, 100); return bodymovinjs; })); ';
diff --git a/package.json b/package.json
index 06210e1..f597b3a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bodymovin",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "After Effects plugin for exporting animations to SVG + JavaScript or canvas + JavaScript",
   "main": "./build/player/bodymovin.js",
   "repository": {