diff --git a/js/modernizr.custom.js b/js/modernizr.custom.js
index f083aa11..523a0833 100644
--- a/js/modernizr.custom.js
+++ b/js/modernizr.custom.js
@@ -1,5 +1,5 @@
 /* Modernizr 2.6.2 (Custom Build) | MIT & BSD
- * Build: http://modernizr.com/download/#-fontface-backgroundsize-borderimage-borderradius-boxshadow-flexbox-flexboxlegacy-hsla-multiplebgs-opacity-rgba-textshadow-cssanimations-csscolumns-generatedcontent-cssgradients-cssreflections-csstransforms-csstransforms3d-csstransitions-applicationcache-canvas-canvastext-draganddrop-hashchange-history-audio-video-indexeddb-input-inputtypes-localstorage-postmessage-sessionstorage-websockets-websqldatabase-webworkers-geolocation-inlinesvg-smil-svg-svgclippaths-touch-webgl-shiv-mq-cssclasses-teststyles-testprop-testallprops-hasevent-prefixes-domprefixes-load
+ * Build: http://modernizr.com/download/#-fontface-backgroundsize-borderimage-borderradius-boxshadow-flexbox-flexboxlegacy-hsla-multiplebgs-opacity-rgba-textshadow-cssanimations-csscolumns-generatedcontent-cssgradients-cssreflections-csstransforms-csstransforms3d-csstransitions-canvas-draganddrop-audio-video-input-inputtypes-localstorage-sessionstorage-geolocation-inlinesvg-smil-svg-svgclippaths-touch-webgl-shiv-mq-cssclasses-addtest-prefixed-teststyles-testprop-testallprops-hasevent-prefixes-domprefixes-elem_track-load
  */
 ;
 
@@ -268,15 +268,7 @@ window.Modernizr = (function( window, document, undefined ) {
     tests['canvas'] = function() {
         var elem = document.createElement('canvas');
         return !!(elem.getContext && elem.getContext('2d'));
-    };
-
-    tests['canvastext'] = function() {
-        return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function'));
-    };
-
-
-
-    tests['webgl'] = function() {
+    };    tests['webgl'] = function() {
         return !!window.WebGLRenderingContext;
     };
 
@@ -302,35 +294,12 @@ window.Modernizr = (function( window, document, undefined ) {
     };
 
 
-    tests['postmessage'] = function() {
-      return !!window.postMessage;
-    };
-
-
-    tests['websqldatabase'] = function() {
-      return !!window.openDatabase;
-    };
-
-    tests['indexedDB'] = function() {
-      return !!testPropsAll("indexedDB", window);
-    };
-
-    tests['hashchange'] = function() {
-      return isEventSupported('hashchange', window) && (document.documentMode === undefined || document.documentMode > 7);
-    };
-
-    tests['history'] = function() {
-      return !!(window.history && history.pushState);
-    };
 
     tests['draganddrop'] = function() {
         var div = document.createElement('div');
         return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div);
     };
 
-    tests['websockets'] = function() {
-        return 'WebSocket' in window || 'MozWebSocket' in window;
-    };
 
 
     tests['rgba'] = function() {
@@ -515,17 +484,6 @@ window.Modernizr = (function( window, document, undefined ) {
         }
     };
 
-
-    tests['webworkers'] = function() {
-        return !!window.Worker;
-    };
-
-
-    tests['applicationcache'] = function() {
-        return !!window.applicationCache;
-    };
-
-
     tests['svg'] = function() {
         return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect;
     };
@@ -819,7 +777,17 @@ window.Modernizr = (function( window, document, undefined ) {
     Modernizr.testAllProps  = testPropsAll;
 
 
-    Modernizr.testStyles    = injectElementWithStyles;    docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') +
+    Modernizr.testStyles    = injectElementWithStyles;
+    Modernizr.prefixed      = function(prop, obj, elem){
+      if(!obj) {
+        return testPropsAll(prop, 'pfx');
+      } else {
+            return testPropsAll(prop, obj, elem);
+      }
+    };
+
+
+    docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') +
 
                                                     (enableClasses ? ' js ' + classes.join(' ') : '');
 
@@ -832,4 +800,15 @@ loader={load:j,i:0},a}var l=b.documentElement,m=a.setTimeout,n=b.getElementsByTa
 e)||d(j))&&f.load(function(){k(),e&&e(i.origUrl,h,g),j&&j(i.origUrl,h,g),y[i.url]=2})))}function h(a,b){function c(a,c){if(a){if(e(a))c||(j=function(){var a=[].slice.call(arguments);k.apply(this,a),l()}),g(a,j,b,0,h);else if(Object(a)===a)for(n in m=function(){var b=0,c;for(c in a)a.hasOwnProperty(c)&&b++;return b}(),a)a.hasOwnProperty(n)&&(!c&&!--m&&(d(j)?j=function(){var a=[].slice.call(arguments);k.apply(this,a),l()}:j[n]=function(a){return function(){var b=[].slice.call(arguments);a&&a.apply(this,b),l()}}(k[n])),g(a[n],j,b,n,h))}else!c&&l()}var h=!!a.test,i=a.load||a.both,j=a.callback||f,k=j,l=a.complete||f,m,n;c(h?a.yep:a.nope,!!i),i&&c(i)}var i,j,l=this.yepnope.loader;if(e(a))g(a,0,l,0);else if(w(a))for(i=0;i<a.length;i++)j=a[i],e(j)?g(j,0,l,0):w(j)?B(j):Object(j)===j&&h(j,l);else Object(a)===a&&h(a,l)},B.addPrefix=function(a,b){z[a]=b},B.addFilter=function(a){x.push(a)},B.errorTimeout=1e4,null==b.readyState&&b.addEventListener&&(b.readyState="loading",b.addEventListener("DOMContentLoaded",A=function(){
 b.removeEventListener("DOMContentLoaded",A,0),b.readyState="complete"},0)),a.yepnope=k(),a.yepnope.executeStack=h,a.yepnope.injectJs=function(a,c,d,e,i,j){var k=b.createElement("script"),l,o,e=e||B.errorTimeout;k.src=a;for(o in d)k.setAttribute(o,d[o]);c=j?h:c||f,k.onreadystatechange=k.onload=function(){!l&&g(k.readyState)&&(l=1,c(),k.onload=k.onreadystatechange=null)},m(function(){l||(l=1,c(1))},e),i?k.onload():n.parentNode.insertBefore(k,n)},a.yepnope.injectCss=function(a,c,d,e,g,i){var e=b.createElement("link"),j,c=i?h:c||f;e.href=a,e.rel="stylesheet",e.type="text/css";for(j in d)e.setAttribute(j,d[j]);g||(n.parentNode.insertBefore(e,n),m(c,0))}})(this,document);
 Modernizr.load=function(){yepnope.apply(window,[].slice.call(arguments,0));};
+// Track element + Timed Text Track API
+// http://www.w3.org/TR/html5/video.html#the-track-element
+// http://www.w3.org/TR/html5/media-elements.html#text-track-api
+//
+// While IE10 has implemented the track element, IE10 does not expose the underlying APIs to create timed text tracks by JS (really sad)
+// By Addy Osmani
+Modernizr.addTest({
+	texttrackapi: (typeof (document.createElement('video').addTextTrack) === 'function'),
+	// a more strict test for track including UI support: document.createElement('track').kind === 'subtitles'
+	track: ('kind' in document.createElement('track'))
+});
 ;
\ No newline at end of file