diff --git a/wp-includes/js/customize-preview.js b/wp-includes/js/customize-preview.js
index cfda0edf98..4bf625eb50 100644
--- a/wp-includes/js/customize-preview.js
+++ b/wp-includes/js/customize-preview.js
@@ -33,7 +33,8 @@
 	 */
 	api.Preview = api.Messenger.extend({
 		/**
-		 * @param {string} url The URL of preview frame
+		 * @param {object} params  - Parameters to configure the messenger.
+		 * @param {object} options - Extend any instance parameter or method with this object.
 		 */
 		initialize: function( params, options ) {
 			var self = this;
@@ -42,9 +43,27 @@
 
 			this.body = $( document.body );
 			this.body.on( 'click.preview', 'a', function( event ) {
+				var link, isInternalJumpLink;
+				link = $( this );
+				isInternalJumpLink = ( '#' === link.attr( 'href' ).substr( 0, 1 ) );
 				event.preventDefault();
+
+				if ( isInternalJumpLink && '#' !== link.attr( 'href' ) ) {
+					$( link.attr( 'href' ) ).each( function() {
+						this.scrollIntoView();
+					} );
+				}
+
+				/*
+				 * Note the shift key is checked so shift+click on widgets or
+				 * nav menu items can just result on focusing on the corresponding
+				 * control instead of also navigating to the URL linked to.
+				 */
+				if ( event.shiftKey || isInternalJumpLink ) {
+					return;
+				}
 				self.send( 'scroll', 0 );
-				self.send( 'url', $(this).prop('href') );
+				self.send( 'url', link.prop( 'href' ) );
 			});
 
 			// You cannot submit forms.
diff --git a/wp-includes/js/customize-preview.min.js b/wp-includes/js/customize-preview.min.js
index de5f15f8ac..821fd21df1 100644
--- a/wp-includes/js/customize-preview.min.js
+++ b/wp-includes/js/customize-preview.min.js
@@ -1 +1 @@
-!function(a,b){var c,d=wp.customize;c=function(a,b,c){var d;return function(){var e=arguments;c=c||this,clearTimeout(d),d=setTimeout(function(){d=null,a.apply(c,e)},b)}},d.Preview=d.Messenger.extend({initialize:function(a,e){var f=this;d.Messenger.prototype.initialize.call(this,a,e),this.body=b(document.body),this.body.on("click.preview","a",function(a){a.preventDefault(),f.send("scroll",0),f.send("url",b(this).prop("href"))}),this.body.on("submit.preview","form",function(a){a.preventDefault()}),this.window=b(window),this.window.on("scroll.preview",c(function(){f.send("scroll",f.window.scrollTop())},200)),this.bind("scroll",function(a){f.window.scrollTop(a)})}}),b(function(){if(d.settings=window._wpCustomizeSettings,d.settings){var a;d.preview=new d.Preview({url:window.location.href,channel:d.settings.channel}),d.preview.bind("settings",function(a){b.each(a,function(a,b){d.has(a)?d(a).set(b):d.create(a,b)})}),d.preview.trigger("settings",d.settings.values),d.preview.bind("setting",function(a){var b;a=a.slice(),(b=d(a.shift()))&&b.set.apply(b,a)}),d.preview.bind("sync",function(a){b.each(a,function(a,b){d.preview.trigger(a,b)}),d.preview.send("synced")}),d.preview.bind("active",function(){d.settings.nonce&&d.preview.send("nonce",d.settings.nonce),d.preview.send("documentTitle",document.title)}),d.preview.send("ready",{activePanels:d.settings.activePanels,activeSections:d.settings.activeSections,activeControls:d.settings.activeControls}),d.preview.bind("loading-initiated",function(){b("body").addClass("wp-customizer-unloading")}),d.preview.bind("loading-failed",function(){b("body").removeClass("wp-customizer-unloading")}),a=b.map(["color","image","position_x","repeat","attachment"],function(a){return"background_"+a}),d.when.apply(d,a).done(function(a,c,d,e,f){var g,h=b(document.body),i=b("head"),j=b("#custom-background-css");g=function(){var g="";h.toggleClass("custom-background",!(!a()&&!c())),a()&&(g+="background-color: "+a()+";"),c()&&(g+='background-image: url("'+c()+'");',g+="background-position: top "+d()+";",g+="background-repeat: "+e()+";",g+="background-attachment: "+f()+";"),j.remove(),j=b('<style type="text/css" id="custom-background-css">body.custom-background { '+g+" }</style>").appendTo(i)},b.each(arguments,function(){this.bind(g)})}),d.trigger("preview-ready")}})}(wp,jQuery);
\ No newline at end of file
+!function(a,b){var c,d=wp.customize;c=function(a,b,c){var d;return function(){var e=arguments;c=c||this,clearTimeout(d),d=setTimeout(function(){d=null,a.apply(c,e)},b)}},d.Preview=d.Messenger.extend({initialize:function(a,e){var f=this;d.Messenger.prototype.initialize.call(this,a,e),this.body=b(document.body),this.body.on("click.preview","a",function(a){var c,d;c=b(this),d="#"===c.attr("href").substr(0,1),a.preventDefault(),d&&"#"!==c.attr("href")&&b(c.attr("href")).each(function(){this.scrollIntoView()}),a.shiftKey||d||(f.send("scroll",0),f.send("url",c.prop("href")))}),this.body.on("submit.preview","form",function(a){a.preventDefault()}),this.window=b(window),this.window.on("scroll.preview",c(function(){f.send("scroll",f.window.scrollTop())},200)),this.bind("scroll",function(a){f.window.scrollTop(a)})}}),b(function(){if(d.settings=window._wpCustomizeSettings,d.settings){var a;d.preview=new d.Preview({url:window.location.href,channel:d.settings.channel}),d.preview.bind("settings",function(a){b.each(a,function(a,b){d.has(a)?d(a).set(b):d.create(a,b)})}),d.preview.trigger("settings",d.settings.values),d.preview.bind("setting",function(a){var b;a=a.slice(),(b=d(a.shift()))&&b.set.apply(b,a)}),d.preview.bind("sync",function(a){b.each(a,function(a,b){d.preview.trigger(a,b)}),d.preview.send("synced")}),d.preview.bind("active",function(){d.settings.nonce&&d.preview.send("nonce",d.settings.nonce),d.preview.send("documentTitle",document.title)}),d.preview.send("ready",{activePanels:d.settings.activePanels,activeSections:d.settings.activeSections,activeControls:d.settings.activeControls}),d.preview.bind("loading-initiated",function(){b("body").addClass("wp-customizer-unloading")}),d.preview.bind("loading-failed",function(){b("body").removeClass("wp-customizer-unloading")}),a=b.map(["color","image","position_x","repeat","attachment"],function(a){return"background_"+a}),d.when.apply(d,a).done(function(a,c,d,e,f){var g,h=b(document.body),i=b("head"),j=b("#custom-background-css");g=function(){var g="";h.toggleClass("custom-background",!(!a()&&!c())),a()&&(g+="background-color: "+a()+";"),c()&&(g+='background-image: url("'+c()+'");',g+="background-position: top "+d()+";",g+="background-repeat: "+e()+";",g+="background-attachment: "+f()+";"),j.remove(),j=b('<style type="text/css" id="custom-background-css">body.custom-background { '+g+" }</style>").appendTo(i)},b.each(arguments,function(){this.bind(g)})}),d.trigger("preview-ready")}})}(wp,jQuery);
\ No newline at end of file
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 592364f3b6..77c4883202 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-alpha-36370';
+$wp_version = '4.5-alpha-36371';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.