Merge branch 'master' into datepickerdatepicker

# Conflicts:
#	ui/i18n/datepicker-pt.js

30 files changed, 472 insertions, 232 deletions

diff --git a/demos/autocomplete/combobox.html b/demos/autocomplete/combobox.html
index 403c48550..32c69b97a 100644
--- a/demos/autocomplete/combobox.html
+++ b/demos/autocomplete/combobox.html
@@ -48,7 +48,7 @@
 					.autocomplete({
 						delay: 0,
 						minLength: 0,
-						source: $.proxy( this, "_source" )
+						source: this._source.bind( this )
 					})
 					.tooltip({
 						classes: {
diff --git a/demos/effect/easing.html b/demos/effect/easing.html
index b22c69580..4bee1c41f 100644
--- a/demos/effect/easing.html
+++ b/demos/effect/easing.html
@@ -34,7 +34,7 @@
 			canvas.width = width;
 			canvas.height = height;
 			var drawHeight = height * 0.8,
-				cradius = 10;
+				cradius = 10,
 				ctx = canvas.getContext( "2d" );
 			ctx.fillStyle = "black";
 
diff --git a/tests/lib/bootstrap.js b/tests/lib/bootstrap.js
index e3d344cec..ffb273837 100644
--- a/tests/lib/bootstrap.js
+++ b/tests/lib/bootstrap.js
@@ -181,9 +181,9 @@ function migrateUrl() {
 		}
 	}
 
-	// Load the jQuery 1.7 fixes, if necessary
-	if ( parseFloat( parseUrl().jquery ) === 1.7 ) {
-		modules.push( "ui/jquery-1-7" );
+	// Load the jQuery fixes, if necessary
+	if ( parseFloat( parseUrl().jquery ) < 3 ) {
+		modules.unshift( "ui/jquery-1-7" );
 	}
 
 	requireTests( modules, noBackCompat );
diff --git a/tests/lib/qunit-assert-domequal.js b/tests/lib/qunit-assert-domequal.js
index b22bd90b9..35695c4f1 100644
--- a/tests/lib/qunit-assert-domequal.js
+++ b/tests/lib/qunit-assert-domequal.js
@@ -59,6 +59,12 @@ domEqual.attributes = [
 	"title"
 ];
 
+function camelCase( string ) {
+	return string.replace( /-([\da-z])/gi, function( all, letter ) {
+		return letter.toUpperCase();
+	} );
+}
+
 function getElementStyles( elem ) {
 	var styles = {};
 	var style = elem.ownerDocument.defaultView ?
@@ -71,7 +77,7 @@ function getElementStyles( elem ) {
 		while ( len-- ) {
 			key = style[ len ];
 			if ( typeof style[ key ] === "string" ) {
-				styles[ $.camelCase( key ) ] = style[ key ];
+				styles[ camelCase( key ) ] = style[ key ];
 			}
 		}
 
diff --git a/tests/unit/button/deprecated.html b/tests/unit/button/deprecated.html
index 73f62921c..8b5270baa 100644
--- a/tests/unit/button/deprecated.html
+++ b/tests/unit/button/deprecated.html
@@ -56,6 +56,14 @@
 <button id="button1">Button</button>
 <a href="#" id="anchor-button">Anchor Button</a>
 
+<div class="mixed">
+	<a href="#" id="mixed-anchor">Anchor</a>
+	<button id="mixed-button" disabled>Button</button>
+	<input type="button" value="Button" id="mixed-input">
+	<input type="checkbox" id="mixed-check" name="check"><label for="mixed-check">Check</label>
+	<input type="radio" id="mixed-radio" name="radio"><label for="mixed-radio">Radio</label>
+</div>
+
 </div>
 </body>
 </html>
diff --git a/tests/unit/button/deprecated.js b/tests/unit/button/deprecated.js
index 81a0281b7..86fca797e 100644
--- a/tests/unit/button/deprecated.js
+++ b/tests/unit/button/deprecated.js
@@ -194,4 +194,22 @@ QUnit.test( "icon / icons options properly proxied", function( assert ) {
 		"Icons secondary option sets iconPosition option to end on init" );
 } );
 
+QUnit.test( "Calling button on a collection of mixed types works correctly", function( assert ) {
+	assert.expect( 5 );
+
+	var group = $( ".mixed" ).children();
+
+	group.button();
+
+	$.each( {
+		anchor: "button",
+		button: "button",
+		check: "checkboxradio",
+		input: "button",
+		radio: "checkboxradio"
+	}, function( type, widget ) {
+		assert.ok( $( "#mixed-" + type )[ widget ]( "instance" ), type + " is a " + widget );
+	} );
+} );
+
 } );
diff --git a/tests/unit/core/core.js b/tests/unit/core/core.js
index 770ea4138..b5b6b3b81 100644
--- a/tests/unit/core/core.js
+++ b/tests/unit/core/core.js
@@ -142,7 +142,7 @@ QUnit.test( "uniqueId / removeUniqueId", function( assert ) {
 } );
 
 QUnit.test( "Labels", function( assert ) {
-	assert.expect( 2 );
+	assert.expect( 3 );
 
 	var expected = [ "1", "2", "3", "4", "5", "6", "7", "8", "9", "10" ];
 	var dom = $( "#labels-fragment" );
@@ -165,6 +165,8 @@ QUnit.test( "Labels", function( assert ) {
 	// Detach the dom to test on a fragment
 	dom.detach();
 	testLabels( "document fragments" );
+
+	assert.equal( $().labels().length, 0, "No element" );
 } );
 
 ( function() {
diff --git a/tests/unit/menu/events.js b/tests/unit/menu/events.js
index a8ccb0282..fd57373c1 100644
--- a/tests/unit/menu/events.js
+++ b/tests/unit/menu/events.js
@@ -670,7 +670,9 @@ QUnit.test( "handle keyboard navigation and mouse click on menu with dividers an
 		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
 		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
 		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
-		assert.equal( logOutput(), "keydown,3,4,7", "Keydown focus skips divider and group label" );
+		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
+		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
+		assert.equal( logOutput(), "keydown,1,2,3,4,7", "Keydown focus skips divider and group label" );
 		ready();
 	}
 } );
@@ -755,4 +757,26 @@ QUnit.test( "#10571: When typing in a menu, only menu-items should be focused",
 	} );
 } );
 
+QUnit.test( "#15157: Must not focus menu dividers with the keyboard", function( assert ) {
+	var ready = assert.async();
+	assert.expect( 6 );
+
+	var element = $( "#menu-with-dividers" ).menu( {
+		focus: function( event, ui ) {
+			assert.hasClasses( ui.item, "ui-menu-item", "Should have menu item class" );
+			log( ui.item.text() );
+		}
+	} );
+
+	element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
+	element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
+	element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
+	element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
+	element.simulate( "keydown", { keyCode: $.ui.keyCode.UP } );
+	setTimeout( function() {
+		assert.equal( logOutput(), "beginning,middle,end,beginning,end", "Should wrap around items" );
+		ready();
+	} );
+} );
+
 } );
diff --git a/tests/unit/menu/menu.html b/tests/unit/menu/menu.html
index 2d871a4b3..8d70b19df 100644
--- a/tests/unit/menu/menu.html
+++ b/tests/unit/menu/menu.html
@@ -323,6 +323,16 @@
 	<li class="foo"><div>Addyston</div></li>
 	<li class="foo"><div>Adelphi</div></li>
 </ul>
+
+<ul id="menu-with-dividers">
+	<li>-</li>
+	<li>beginning</li>
+	<li>-</li>
+	<li>middle</li>
+	<li>-</li>
+	<li>end</li>
+	<li>-</li>
+</ul>
 </div>
 </body>
 </html>
diff --git a/tests/unit/resizable/options.js b/tests/unit/resizable/options.js
index 4080bac0e..81206abf8 100644
--- a/tests/unit/resizable/options.js
+++ b/tests/unit/resizable/options.js
@@ -434,8 +434,10 @@ QUnit.test( "zIndex, applied to all handles", function( assert ) {
 } );
 
 QUnit.test( "setOption handles", function( assert ) {
-	assert.expect( 15 );
+	assert.expect( 19 );
 
+	// https://bugs.jqueryui.com/ticket/3423
+	// https://bugs.jqueryui.com/ticket/15084
 	var target = $( "<div></div>" ).resizable(),
 		target2 = $( "<div>" +
 					"<div class='ui-resizable-handle ui-resizable-e'></div>" +
@@ -470,6 +472,12 @@ QUnit.test( "setOption handles", function( assert ) {
 
 	target2.resizable( "option", "handles", "e, s, w" );
 	checkHandles( target2, [ "e", "s", "w" ] );
+
+	target.resizable( "destroy" );
+	checkHandles( target, [ ] );
+
+	target2.resizable( "destroy" );
+	checkHandles( target2, [ "e", "w" ] );
 } );
 
 QUnit.test( "alsoResize + containment", function( assert ) {
diff --git a/tests/unit/selectmenu/core.js b/tests/unit/selectmenu/core.js
index cef6dc5bf..708452312 100644
--- a/tests/unit/selectmenu/core.js
+++ b/tests/unit/selectmenu/core.js
@@ -251,13 +251,13 @@ $.each( [
 			wrappers = menu.find( "li.ui-menu-item .ui-menu-item-wrapper" );
 
 			button.trigger( "click" );
-			wrappers.first().simulate( "mouseover" ).trigger( "click" );
+			wrappers.first().simulate( "mouseover", { clientX: 2, clientY: 2 } ).trigger( "click" );
 			assert.equal( element[ 0 ].selectedIndex, 0, "First item is selected" );
 			button.simulate( "keydown", { keyCode: $.ui.keyCode.UP } );
 			assert.equal( element[ 0 ].selectedIndex, 0, "No looping beyond first item" );
 
 			button.trigger( "click" );
-			wrappers.last().simulate( "mouseover" ).trigger( "click" );
+			wrappers.last().simulate( "mouseover", { clientX: 3, clientY: 3 } ).trigger( "click" );
 			assert.equal( element[ 0 ].selectedIndex, wrappers.length - 1, "Last item is selected" );
 			button.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
 			assert.equal( element[ 0 ].selectedIndex, wrappers.length - 1, "No looping behind last item" );
diff --git a/tests/unit/selectmenu/events.js b/tests/unit/selectmenu/events.js
index 4aed70ac8..ffc0429ee 100644
--- a/tests/unit/selectmenu/events.js
+++ b/tests/unit/selectmenu/events.js
@@ -89,9 +89,9 @@ QUnit.test( "focus", function( assert ) {
 		button.trigger( "click" );
 		links = menu.find( "li.ui-menu-item" );
 		optionIndex = 0;
-		links.eq( optionIndex ).simulate( "mouseover" );
+		links.eq( optionIndex ).simulate( "mouseover", { clientX: 2, clientY: 2 } );
 		optionIndex += 1;
-		links.eq( optionIndex ).simulate( "mouseover" );
+		links.eq( optionIndex ).simulate( "mouseover", { clientX: 3, clientY: 3 } );
 
 		// This tests for unwanted, additional focus event on close
 		that.element.selectmenu( "close" );
diff --git a/tests/unit/widget/extend.js b/tests/unit/widget/extend.js
index 36575200b..b27d925f0 100644
--- a/tests/unit/widget/extend.js
+++ b/tests/unit/widget/extend.js
@@ -5,7 +5,7 @@ define( [
 ], function( QUnit, $ ) {
 
 QUnit.test( "$.widget.extend()", function( assert ) {
-	assert.expect( 27 );
+	assert.expect( 28 );
 
 	var ret, empty, optionsWithLength, optionsWithDate, myKlass, customObject, optionsWithCustomObject, nullUndef,
 		target, recursive, obj, input, output,
@@ -108,6 +108,11 @@ QUnit.test( "$.widget.extend()", function( assert ) {
 	assert.deepEqual( input, output, "don't clone arrays" );
 	input.key[ 0 ] = 10;
 	assert.deepEqual( input, output, "don't clone arrays" );
+
+	input = Object.create( null );
+	input.foo = "f";
+	output = $.widget.extend( {}, input );
+	assert.deepEqual( input, output, "Object with no prototype" );
 } );
 
 } );
diff --git a/themes/base/slider.css b/themes/base/slider.css
index cffdc9691..724d513c2 100644
--- a/themes/base/slider.css
+++ b/themes/base/slider.css
@@ -17,7 +17,7 @@
 	z-index: 2;
 	width: 1.2em;
 	height: 1.2em;
-	cursor: default;
+	cursor: pointer;
 	-ms-touch-action: none;
 	touch-action: none;
 }
diff --git a/ui/data.js b/ui/data.js
index d0417b8f9..c02e7ffde 100644
--- a/ui/data.js
+++ b/ui/data.js
@@ -23,7 +23,7 @@
 		factory( jQuery );
 	}
 } ( function( $ ) {
-return $.extend( $.expr[ ":" ], {
+return $.extend( $.expr.pseudos, {
 	data: $.expr.createPseudo ?
 		$.expr.createPseudo( function( dataName ) {
 			return function( elem ) {
diff --git a/ui/effect.js b/ui/effect.js
index 31e6024a1..2d17affd1 100644
--- a/ui/effect.js
+++ b/ui/effect.js
@@ -746,6 +746,12 @@ $.each(
 	}
 );
 
+function camelCase( string ) {
+	return string.replace( /-([\da-z])/gi, function( all, letter ) {
+		return letter.toUpperCase();
+	} );
+}
+
 function getElementStyles( elem ) {
 	var key, len,
 		style = elem.ownerDocument.defaultView ?
@@ -758,7 +764,7 @@ function getElementStyles( elem ) {
 		while ( len-- ) {
 			key = style[ len ];
 			if ( typeof style[ key ] === "string" ) {
-				styles[ $.camelCase( key ) ] = style[ key ];
+				styles[ camelCase( key ) ] = style[ key ];
 			}
 		}
 
diff --git a/ui/focusable.js b/ui/focusable.js
index cf4f728b8..b1a7b61e2 100644
--- a/ui/focusable.js
+++ b/ui/focusable.js
@@ -73,7 +73,7 @@ function visible( element ) {
 	return visibility !== "hidden";
 }
 
-$.extend( $.expr[ ":" ], {
+$.extend( $.expr.pseudos, {
 	focusable: function( element ) {
 		return $.ui.focusable( element, $.attr( element, "tabindex" ) != null );
 	}
diff --git a/ui/jquery-1-7.js b/ui/jquery-1-7.js
index bd40e332f..5e7907a15 100644
--- a/ui/jquery-1-7.js
+++ b/ui/jquery-1-7.js
@@ -1,5 +1,5 @@
 /*!
- * jQuery UI Support for jQuery core 1.7.x @VERSION
+ * jQuery UI Support for jQuery core 1.7.x and newer @VERSION
  * http://jqueryui.com
  *
  * Copyright jQuery Foundation and other contributors
@@ -86,4 +86,16 @@ if ( $.fn.jquery.substring( 0, 3 ) === "1.7" ) {
 	};
 }
 
+// Support: jQuery 1.9.x or older
+// $.expr[ ":" ] is deprecated.
+if ( !$.expr.pseudos ) {
+	$.expr.pseudos = $.expr[ ":" ];
+}
+
+// Support: jQuery 1.11.x or older
+// $.unique has been renamed to $.uniqueSort
+if ( !$.uniqueSort ) {
+	$.uniqueSort = $.unique;
+}
+
 } ) );
diff --git a/ui/labels.js b/ui/labels.js
index 2a78d886b..1bf56ac41 100644
--- a/ui/labels.js
+++ b/ui/labels.js
@@ -27,6 +27,10 @@
 return $.fn.labels = function() {
 	var ancestor, selector, id, labels, ancestors;
 
+	if ( !this.length ) {
+		return this.pushStack( [] );
+	}
+
 	// Check control.labels first
 	if ( this[ 0 ].labels && this[ 0 ].labels.length ) {
 		return this.pushStack( this[ 0 ].labels );
diff --git a/ui/position.js b/ui/position.js
index 2f7fa5f01..3994e9acc 100644
--- a/ui/position.js
+++ b/ui/position.js
@@ -84,9 +84,9 @@ $.position = {
 			return cachedScrollbarWidth;
 		}
 		var w1, w2,
-			div = $( "<div " +
-				"style='display:block;position:absolute;width:50px;height:50px;overflow:hidden;'>" +
-				"<div style='height:100px;width:auto;'></div></div>" ),
+			div = $( "<div style=" +
+				"'display:block;position:absolute;width:200px;height:200px;overflow:hidden;'>" +
+				"<div style='height:300px;width:auto;'></div></div>" ),
 			innerDiv = div.children()[ 0 ];
 
 		$( "body" ).append( div );
diff --git a/ui/tabbable.js b/ui/tabbable.js
index 3baa641ce..bb79466e8 100644
--- a/ui/tabbable.js
+++ b/ui/tabbable.js
@@ -24,7 +24,7 @@
 	}
 } ( function( $ ) {
 
-return $.extend( $.expr[ ":" ], {
+return $.extend( $.expr.pseudos, {
 	tabbable: function( element ) {
 		var tabIndex = $.attr( element, "tabindex" ),
 			hasTabindex = tabIndex != null;
diff --git a/ui/widget.js b/ui/widget.js
index 726f70735..c101e59d4 100644
--- a/ui/widget.js
+++ b/ui/widget.js
@@ -26,6 +26,7 @@
 }( function( $ ) {
 
 var widgetUuid = 0;
+var widgetHasOwnProperty = Array.prototype.hasOwnProperty;
 var widgetSlice = Array.prototype.slice;
 
 $.cleanData = ( function( orig ) {
@@ -64,7 +65,7 @@ $.widget = function( name, base, prototype ) {
 	}
 
 	// Create selector for plugin
-	$.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
+	$.expr.pseudos[ fullName.toLowerCase() ] = function( elem ) {
 		return !!$.data( elem, fullName );
 	};
 
@@ -183,7 +184,7 @@ $.widget.extend = function( target ) {
 	for ( ; inputIndex < inputLength; inputIndex++ ) {
 		for ( key in input[ inputIndex ] ) {
 			value = input[ inputIndex ][ key ];
-			if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
+			if ( widgetHasOwnProperty.call( input[ inputIndex ], key ) && value !== undefined ) {
 
 				// Clone objects
 				if ( $.isPlainObject( value ) ) {
@@ -493,12 +494,30 @@ $.Widget.prototype = {
 			classes: this.options.classes || {}
 		}, options );
 
+		function bindRemoveEvent() {
+			options.element.each( function( _, element ) {
+				var isTracked = $.map( that.classesElementLookup, function( elements ) {
+					return elements;
+				} )
+					.some( function( elements ) {
+						return elements.is( element );
+					} );
+
+				if ( !isTracked ) {
+					that._on( $( element ), {
+						remove: "_untrackClassesElement"
+					} );
+				}
+			} );
+		}
+
 		function processClassString( classes, checkOption ) {
 			var current, i;
 			for ( i = 0; i < classes.length; i++ ) {
 				current = that.classesElementLookup[ classes[ i ] ] || $();
 				if ( options.add ) {
-					current = $( $.unique( current.get().concat( options.element.get() ) ) );
+					bindRemoveEvent();
+					current = $( $.uniqueSort( current.get().concat( options.element.get() ) ) );
 				} else {
 					current = $( current.not( options.element ).get() );
 				}
@@ -510,10 +529,6 @@ $.Widget.prototype = {
 			}
 		}
 
-		this._on( options.element, {
-			"remove": "_untrackClassesElement"
-		} );
-
 		if ( options.keys ) {
 			processClassString( options.keys.match( /\S+/g ) || [], true );
 		}
@@ -531,6 +546,8 @@ $.Widget.prototype = {
 				that.classesElementLookup[ key ] = $( value.not( event.target ).get() );
 			}
 		} );
+
+		this._off( $( event.target ) );
 	},
 
 	_removeClass: function( element, keys, extra ) {
@@ -611,7 +628,7 @@ $.Widget.prototype = {
 	_off: function( element, eventName ) {
 		eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) +
 			this.eventNamespace;
-		element.off( eventName ).off( eventName );
+		element.off( eventName );
 
 		// Clear the stack to avoid memory leaks (#10056)
 		this.bindings = $( this.bindings.not( element ).get() );
diff --git a/ui/widgets/autocomplete.js b/ui/widgets/autocomplete.js
index c5bddc074..60d326544 100644
--- a/ui/widgets/autocomplete.js
+++ b/ui/widgets/autocomplete.js
@@ -447,7 +447,7 @@ $.widget( "ui.autocomplete", {
 	_response: function() {
 		var index = ++this.requestIndex;
 
-		return $.proxy( function( content ) {
+		return function( content ) {
 			if ( index === this.requestIndex ) {
 				this.__response( content );
 			}
@@ -456,7 +456,7 @@ $.widget( "ui.autocomplete", {
 			if ( !this.pending ) {
 				this._removeClass( "ui-autocomplete-loading" );
 			}
-		}, this );
+		}.bind( this );
 	},
 
 	__response: function( content ) {
diff --git a/ui/widgets/button.js b/ui/widgets/button.js
index 50da9f9e2..42cfec06d 100644
--- a/ui/widgets/button.js
+++ b/ui/widgets/button.js
@@ -342,22 +342,81 @@ if ( $.uiBackCompat !== false ) {
 	} );
 
 	$.fn.button = ( function( orig ) {
-		return function() {
-			if ( !this.length || ( this.length && this[ 0 ].tagName !== "INPUT" ) ||
-					( this.length && this[ 0 ].tagName === "INPUT" && (
-						this.attr( "type" ) !== "checkbox" && this.attr( "type" ) !== "radio"
-					) ) ) {
-				return orig.apply( this, arguments );
-			}
-			if ( !$.ui.checkboxradio ) {
-				$.error( "Checkboxradio widget missing" );
-			}
-			if ( arguments.length === 0 ) {
-				return this.checkboxradio( {
-					"icon": false
+		return function( options ) {
+			var isMethodCall = typeof options === "string";
+			var args = Array.prototype.slice.call( arguments, 1 );
+			var returnValue = this;
+
+			if ( isMethodCall ) {
+
+				// If this is an empty collection, we need to have the instance method
+				// return undefined instead of the jQuery instance
+				if ( !this.length && options === "instance" ) {
+					returnValue = undefined;
+				} else {
+					this.each( function() {
+						var methodValue;
+						var type = $( this ).attr( "type" );
+						var name = type !== "checkbox" && type !== "radio" ?
+							"button" :
+							"checkboxradio";
+						var instance = $.data( this, "ui-" + name );
+
+						if ( options === "instance" ) {
+							returnValue = instance;
+							return false;
+						}
+
+						if ( !instance ) {
+							return $.error( "cannot call methods on button" +
+								" prior to initialization; " +
+								"attempted to call method '" + options + "'" );
+						}
+
+						if ( !$.isFunction( instance[ options ] ) || options.charAt( 0 ) === "_" ) {
+							return $.error( "no such method '" + options + "' for button" +
+								" widget instance" );
+						}
+
+						methodValue = instance[ options ].apply( instance, args );
+
+						if ( methodValue !== instance && methodValue !== undefined ) {
+							returnValue = methodValue && methodValue.jquery ?
+								returnValue.pushStack( methodValue.get() ) :
+								methodValue;
+							return false;
+						}
+					} );
+				}
+			} else {
+
+				// Allow multiple hashes to be passed on init
+				if ( args.length ) {
+					options = $.widget.extend.apply( null, [ options ].concat( args ) );
+				}
+
+				this.each( function() {
+					var type = $( this ).attr( "type" );
+					var name = type !== "checkbox" && type !== "radio" ? "button" : "checkboxradio";
+					var instance = $.data( this, "ui-" + name );
+
+					if ( instance ) {
+						instance.option( options || {} );
+						if ( instance._init ) {
+							instance._init();
+						}
+					} else {
+						if ( name === "button" ) {
+							orig.call( $( this ), options );
+							return;
+						}
+
+						$( this ).checkboxradio( $.extend( { icon: false }, options ) );
+					}
 				} );
 			}
-			return this.checkboxradio.apply( this, arguments );
+
+			return returnValue;
 		};
 	} )( $.fn.button );
 
diff --git a/ui/widgets/controlgroup.js b/ui/widgets/controlgroup.js
index 6f357948d..c79f3fcaf 100644
--- a/ui/widgets/controlgroup.js
+++ b/ui/widgets/controlgroup.js
@@ -150,7 +150,7 @@ return $.widget( "ui.controlgroup", {
 				} );
 		} );
 
-		this.childWidgets = $( $.unique( childWidgets ) );
+		this.childWidgets = $( $.uniqueSort( childWidgets ) );
 		this._addClass( this.childWidgets, "ui-controlgroup-item" );
 	},
 
diff --git a/ui/widgets/dialog.js b/ui/widgets/dialog.js
index c8829331f..01780daf3 100644
--- a/ui/widgets/dialog.js
+++ b/ui/widgets/dialog.js
@@ -289,7 +289,7 @@ $.widget( "ui.dialog", {
 			that._trigger( "focus" );
 		} );
 
-		// Track the dialog immediately upon openening in case a focus event
+		// Track the dialog immediately upon opening in case a focus event
 		// somehow occurs outside of the dialog before an element inside the
 		// dialog is focused (#10152)
 		this._makeFocusTarget();
@@ -863,20 +863,19 @@ $.widget( "ui.dialog", {
 		if ( !this.document.data( "ui-dialog-overlays" ) ) {
 
 			// Prevent use of anchors and inputs
-			// Using _on() for an event handler shared across many instances is
-			// safe because the dialogs stack and must be closed in reverse order
-			this._on( this.document, {
-				focusin: function( event ) {
-					if ( isOpening ) {
-						return;
-					}
-
-					if ( !this._allowInteraction( event ) ) {
-						event.preventDefault();
-						this._trackingInstances()[ 0 ]._focusTabbable();
-					}
+			// This doesn't use `_on()` because it is a shared event handler
+			// across all open modal dialogs.
+			this.document.on( "focusin.ui-dialog", function( event ) {
+				if ( isOpening ) {
+					return;
 				}
-			} );
+
+				var instance = this._trackingInstances()[ 0 ];
+				if ( !instance._allowInteraction( event ) ) {
+					event.preventDefault();
+					instance._focusTabbable();
+				}
+			}.bind( this ) );
 		}
 
 		this.overlay = $( "<div>" )
@@ -899,7 +898,7 @@ $.widget( "ui.dialog", {
 			var overlays = this.document.data( "ui-dialog-overlays" ) - 1;
 
 			if ( !overlays ) {
-				this._off( this.document, "focusin" );
+				this.document.off( "focusin.ui-dialog" );
 				this.document.removeData( "ui-dialog-overlays" );
 			} else {
 				this.document.data( "ui-dialog-overlays", overlays );
diff --git a/ui/widgets/menu.js b/ui/widgets/menu.js
index 49da26865..302d202ae 100644
--- a/ui/widgets/menu.js
+++ b/ui/widgets/menu.js
@@ -64,6 +64,7 @@ return $.widget( "ui.menu", {
 		// Flag used to prevent firing of the click handler
 		// as the event bubbles up through nested menus
 		this.mouseHandled = false;
+		this.lastMousePosition = { x: null, y: null };
 		this.element
 			.uniqueId()
 			.attr( {
@@ -78,6 +79,8 @@ return $.widget( "ui.menu", {
 			// them (focus should always stay on UL during navigation).
 			"mousedown .ui-menu-item": function( event ) {
 				event.preventDefault();
+
+				this._activateItem( event );
 			},
 			"click .ui-menu-item": function( event ) {
 				var target = $( event.target );
@@ -107,36 +110,15 @@ return $.widget( "ui.menu", {
 					}
 				}
 			},
-			"mouseenter .ui-menu-item": function( event ) {
-
-				// Ignore mouse events while typeahead is active, see #10458.
-				// Prevents focusing the wrong item when typeahead causes a scroll while the mouse
-				// is over an item in the menu
-				if ( this.previousFilter ) {
-					return;
-				}
-
-				var actualTarget = $( event.target ).closest( ".ui-menu-item" ),
-					target = $( event.currentTarget );
-
-				// Ignore bubbled events on parent items, see #11641
-				if ( actualTarget[ 0 ] !== target[ 0 ] ) {
-					return;
-				}
-
-				// Remove ui-state-active class from siblings of the newly focused menu item
-				// to avoid a jump caused by adjacent elements both having a class with a border
-				this._removeClass( target.siblings().children( ".ui-state-active" ),
-					null, "ui-state-active" );
-				this.focus( event, target );
-			},
+			"mouseenter .ui-menu-item": "_activateItem",
+			"mousemove .ui-menu-item": "_activateItem",
 			mouseleave: "collapseAll",
 			"mouseleave .ui-menu": "collapseAll",
 			focus: function( event, keepActiveItem ) {
 
 				// If there's already an active item, keep it active
 				// If not, activate the first item
-				var item = this.active || this.element.find( this.options.items ).eq( 0 );
+				var item = this.active || this._menuItems().first();
 
 				if ( !keepActiveItem ) {
 					this.focus( event, item );
@@ -162,7 +144,7 @@ return $.widget( "ui.menu", {
 		this._on( this.document, {
 			click: function( event ) {
 				if ( this._closeOnDocumentClick( event ) ) {
-					this.collapseAll( event );
+					this.collapseAll( event, true );
 				}
 
 				// Reset the mouseHandled flag
@@ -171,6 +153,46 @@ return $.widget( "ui.menu", {
 		} );
 	},
 
+	_activateItem: function( event ) {
+
+		// Ignore mouse events while typeahead is active, see #10458.
+		// Prevents focusing the wrong item when typeahead causes a scroll while the mouse
+		// is over an item in the menu
+		if ( this.previousFilter ) {
+			return;
+		}
+
+		// If the mouse didn't actually move, but the page was scrolled, ignore the event (#9356)
+		if ( event.clientX === this.lastMousePosition.x &&
+				event.clientY === this.lastMousePosition.y ) {
+			return;
+		}
+
+		this.lastMousePosition = {
+			x: event.clientX,
+			y: event.clientY
+		};
+
+		var actualTarget = $( event.target ).closest( ".ui-menu-item" ),
+			target = $( event.currentTarget );
+
+		// Ignore bubbled events on parent items, see #11641
+		if ( actualTarget[ 0 ] !== target[ 0 ] ) {
+			return;
+		}
+
+		// If the item is already active, there's nothing to do
+		if ( target.is( ".ui-state-active" ) ) {
+			return;
+		}
+
+		// Remove ui-state-active class from siblings of the newly focused menu item
+		// to avoid a jump caused by adjacent elements both having a class with a border
+		this._removeClass( target.siblings().children( ".ui-state-active" ),
+			null, "ui-state-active" );
+		this.focus( event, target );
+	},
+
 	_destroy: function() {
 		var items = this.element.find( ".ui-menu-item" )
 				.removeAttr( "role aria-disabled" ),
@@ -502,7 +524,7 @@ return $.widget( "ui.menu", {
 			this._removeClass( currentMenu.find( ".ui-state-active" ), null, "ui-state-active" );
 
 			this.activeMenu = currentMenu;
-		}, this.delay );
+		}, all ? 0 : this.delay );
 	},
 
 	// With no arguments, closes the currently active menu - if nothing is active
@@ -538,11 +560,7 @@ return $.widget( "ui.menu", {
 	},
 
 	expand: function( event ) {
-		var newItem = this.active &&
-			this.active
-				.children( ".ui-menu " )
-					.find( this.options.items )
-						.first();
+		var newItem = this.active && this._menuItems( this.active.children( ".ui-menu" ) ).first();
 
 		if ( newItem && newItem.length ) {
 			this._open( newItem.parent() );
@@ -570,21 +588,27 @@ return $.widget( "ui.menu", {
 		return this.active && !this.active.nextAll( ".ui-menu-item" ).length;
 	},
 
+	_menuItems: function( menu ) {
+		return ( menu || this.element )
+			.find( this.options.items )
+			.filter( ".ui-menu-item" );
+	},
+
 	_move: function( direction, filter, event ) {
 		var next;
 		if ( this.active ) {
 			if ( direction === "first" || direction === "last" ) {
 				next = this.active
 					[ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" )
-					.eq( -1 );
+					.last();
 			} else {
 				next = this.active
 					[ direction + "All" ]( ".ui-menu-item" )
-					.eq( 0 );
+					.first();
 			}
 		}
 		if ( !next || !next.length || !this.active ) {
-			next = this.activeMenu.find( this.options.items )[ filter ]();
+			next = this._menuItems( this.activeMenu )[ filter ]();
 		}
 
 		this.focus( event, next );
@@ -610,7 +634,7 @@ return $.widget( "ui.menu", {
 
 			this.focus( event, item );
 		} else {
-			this.focus( event, this.activeMenu.find( this.options.items )
+			this.focus( event, this._menuItems( this.activeMenu )
 				[ !this.active ? "first" : "last" ]() );
 		}
 	},
@@ -634,7 +658,7 @@ return $.widget( "ui.menu", {
 
 			this.focus( event, item );
 		} else {
-			this.focus( event, this.activeMenu.find( this.options.items ).first() );
+			this.focus( event, this._menuItems( this.activeMenu ).first() );
 		}
 	},
 
diff --git a/ui/widgets/resizable.js b/ui/widgets/resizable.js
index b5264ee53..36dd12514 100644
--- a/ui/widgets/resizable.js
+++ b/ui/widgets/resizable.js
@@ -187,15 +187,14 @@ $.widget( "ui.resizable", $.ui.mouse, {
 	_destroy: function() {
 
 		this._mouseDestroy();
+		this._addedHandles.remove();
 
 		var wrapper,
 			_destroy = function( exp ) {
 				$( exp )
 					.removeData( "resizable" )
 					.removeData( "ui-resizable" )
-					.off( ".resizable" )
-					.find( ".ui-resizable-handle" )
-						.remove();
+					.off( ".resizable" );
 			};
 
 		// TODO: Unwrap at same DOM position
diff --git a/ui/widgets/sortable.js b/ui/widgets/sortable.js
index fcb33ace1..78fad26b9 100644
--- a/ui/widgets/sortable.js
+++ b/ui/widgets/sortable.js
@@ -195,6 +195,11 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 		// mouseCapture
 		this.refreshPositions();
 
+		//Prepare the dragged items parent
+		this.appendTo = $( o.appendTo !== "parent" ?
+				o.appendTo :
+				this.currentItem.parent() );
+
 		//Create and append the visible helper
 		this.helper = this._createHelper( event );
 
@@ -209,9 +214,6 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 		//Cache the margins of the original element
 		this._cacheMargins();
 
-		//Get the next scrolling parent
-		this.scrollParent = this.helper.scrollParent();
-
 		//The element's absolute position on the page minus margins
 		this.offset = this.currentItem.offset();
 		this.offset = {
@@ -236,15 +238,6 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 		this.helper.css( "position", "absolute" );
 		this.cssPosition = this.helper.css( "position" );
 
-		$.extend( this.offset, {
-			parent: this._getParentOffset()
-		} );
-
-		//Generate the original position
-		this.originalPosition = this._generatePosition( event );
-		this.originalPageX = event.pageX;
-		this.originalPageY = event.pageY;
-
 		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
 		( o.cursorAt && this._adjustOffsetFromHelper( o.cursorAt ) );
 
@@ -263,6 +256,13 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 		//Create the placeholder
 		this._createPlaceholder();
 
+		//Get the next scrolling parent
+		this.scrollParent = this.placeholder.scrollParent();
+
+		$.extend( this.offset, {
+			parent: this._getParentOffset()
+		} );
+
 		//Set a containment if given in the options
 		if ( o.containment ) {
 			this._setContainment();
@@ -330,77 +330,82 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 
 		this._addClass( this.helper, "ui-sortable-helper" );
 
-		// Execute the drag once - this causes the helper not to be visiblebefore getting its
-		// correct position
-		this._mouseDrag( event );
-		return true;
+		//Move the helper, if needed
+		if ( !this.helper.parent().is( this.appendTo ) ) {
+			this.helper.detach().appendTo( this.appendTo );
 
-	},
+			//Update position
+			this.offset.parent = this._getParentOffset();
+		}
 
-	_mouseDrag: function( event ) {
-		var i, item, itemElement, intersection,
-			o = this.options,
-			scrolled = false;
+		//Generate the original position
+		this.position = this.originalPosition = this._generatePosition( event );
+		this.originalPageX = event.pageX;
+		this.originalPageY = event.pageY;
+		this.lastPositionAbs = this.positionAbs = this._convertPositionTo( "absolute" );
 
-		//Compute the helpers position
-		this.position = this._generatePosition( event );
-		this.positionAbs = this._convertPositionTo( "absolute" );
+		this._mouseDrag( event );
 
-		if ( !this.lastPositionAbs ) {
-			this.lastPositionAbs = this.positionAbs;
-		}
+		return true;
 
-		//Do scrolling
-		if ( this.options.scroll ) {
-			if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
-					this.scrollParent[ 0 ].tagName !== "HTML" ) {
+	},
 
-				if ( ( this.overflowOffset.top + this.scrollParent[ 0 ].offsetHeight ) -
-						event.pageY < o.scrollSensitivity ) {
-					this.scrollParent[ 0 ].scrollTop =
-						scrolled = this.scrollParent[ 0 ].scrollTop + o.scrollSpeed;
-				} else if ( event.pageY - this.overflowOffset.top < o.scrollSensitivity ) {
-					this.scrollParent[ 0 ].scrollTop =
-						scrolled = this.scrollParent[ 0 ].scrollTop - o.scrollSpeed;
-				}
+	_scroll: function( event ) {
+		var o = this.options,
+			scrolled = false;
 
-				if ( ( this.overflowOffset.left + this.scrollParent[ 0 ].offsetWidth ) -
-						event.pageX < o.scrollSensitivity ) {
-					this.scrollParent[ 0 ].scrollLeft = scrolled =
-						this.scrollParent[ 0 ].scrollLeft + o.scrollSpeed;
-				} else if ( event.pageX - this.overflowOffset.left < o.scrollSensitivity ) {
-					this.scrollParent[ 0 ].scrollLeft = scrolled =
-						this.scrollParent[ 0 ].scrollLeft - o.scrollSpeed;
-				}
+		if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
+				this.scrollParent[ 0 ].tagName !== "HTML" ) {
 
-			} else {
+			if ( ( this.overflowOffset.top + this.scrollParent[ 0 ].offsetHeight ) -
+					event.pageY < o.scrollSensitivity ) {
+				this.scrollParent[ 0 ].scrollTop =
+					scrolled = this.scrollParent[ 0 ].scrollTop + o.scrollSpeed;
+			} else if ( event.pageY - this.overflowOffset.top < o.scrollSensitivity ) {
+				this.scrollParent[ 0 ].scrollTop =
+					scrolled = this.scrollParent[ 0 ].scrollTop - o.scrollSpeed;
+			}
 
-				if ( event.pageY - this.document.scrollTop() < o.scrollSensitivity ) {
-					scrolled = this.document.scrollTop( this.document.scrollTop() - o.scrollSpeed );
-				} else if ( this.window.height() - ( event.pageY - this.document.scrollTop() ) <
-						o.scrollSensitivity ) {
-					scrolled = this.document.scrollTop( this.document.scrollTop() + o.scrollSpeed );
-				}
+			if ( ( this.overflowOffset.left + this.scrollParent[ 0 ].offsetWidth ) -
+					event.pageX < o.scrollSensitivity ) {
+				this.scrollParent[ 0 ].scrollLeft = scrolled =
+					this.scrollParent[ 0 ].scrollLeft + o.scrollSpeed;
+			} else if ( event.pageX - this.overflowOffset.left < o.scrollSensitivity ) {
+				this.scrollParent[ 0 ].scrollLeft = scrolled =
+					this.scrollParent[ 0 ].scrollLeft - o.scrollSpeed;
+			}
 
-				if ( event.pageX - this.document.scrollLeft() < o.scrollSensitivity ) {
-					scrolled = this.document.scrollLeft(
-						this.document.scrollLeft() - o.scrollSpeed
-					);
-				} else if ( this.window.width() - ( event.pageX - this.document.scrollLeft() ) <
-						o.scrollSensitivity ) {
-					scrolled = this.document.scrollLeft(
-						this.document.scrollLeft() + o.scrollSpeed
-					);
-				}
+		} else {
 
+			if ( event.pageY - this.document.scrollTop() < o.scrollSensitivity ) {
+				scrolled = this.document.scrollTop( this.document.scrollTop() - o.scrollSpeed );
+			} else if ( this.window.height() - ( event.pageY - this.document.scrollTop() ) <
+					o.scrollSensitivity ) {
+				scrolled = this.document.scrollTop( this.document.scrollTop() + o.scrollSpeed );
 			}
 
-			if ( scrolled !== false && $.ui.ddmanager && !o.dropBehaviour ) {
-				$.ui.ddmanager.prepareOffsets( this, event );
+			if ( event.pageX - this.document.scrollLeft() < o.scrollSensitivity ) {
+				scrolled = this.document.scrollLeft(
+					this.document.scrollLeft() - o.scrollSpeed
+				);
+			} else if ( this.window.width() - ( event.pageX - this.document.scrollLeft() ) <
+					o.scrollSensitivity ) {
+				scrolled = this.document.scrollLeft(
+					this.document.scrollLeft() + o.scrollSpeed
+				);
 			}
+
 		}
 
-		//Regenerate the absolute position used for position checks
+		return scrolled;
+	},
+
+	_mouseDrag: function( event ) {
+		var i, item, itemElement, intersection,
+			o = this.options;
+
+		//Compute the helpers position
+		this.position = this._generatePosition( event );
 		this.positionAbs = this._convertPositionTo( "absolute" );
 
 		//Set the helper position
@@ -411,56 +416,79 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 			this.helper[ 0 ].style.top = this.position.top + "px";
 		}
 
-		//Rearrange
-		for ( i = this.items.length - 1; i >= 0; i-- ) {
+		//Post events to containers
+		this._contactContainers( event );
 
-			//Cache variables and intersection, continue if no intersection
-			item = this.items[ i ];
-			itemElement = item.item[ 0 ];
-			intersection = this._intersectsWithPointer( item );
-			if ( !intersection ) {
-				continue;
-			}
+		if ( this.innermostContainer !== null ) {
 
-			// Only put the placeholder inside the current Container, skip all
-			// items from other containers. This works because when moving
-			// an item from one container to another the
-			// currentContainer is switched before the placeholder is moved.
-			//
-			// Without this, moving items in "sub-sortables" can cause
-			// the placeholder to jitter between the outer and inner container.
-			if ( item.instance !== this.currentContainer ) {
-				continue;
+			//Do scrolling
+			if ( o.scroll ) {
+				if ( this._scroll( event ) !== false ) {
+
+					//Update item positions used in position checks
+					this._refreshItemPositions( true );
+
+					if ( $.ui.ddmanager && !o.dropBehaviour ) {
+						$.ui.ddmanager.prepareOffsets( this, event );
+					}
+				}
 			}
 
-			// Cannot intersect with itself
-			// no useless actions that have been done before
-			// no action if the item moved is the parent of the item checked
-			if ( itemElement !== this.currentItem[ 0 ] &&
-				this.placeholder[ intersection === 1 ? "next" : "prev" ]()[ 0 ] !== itemElement &&
-				!$.contains( this.placeholder[ 0 ], itemElement ) &&
-				( this.options.type === "semi-dynamic" ?
-					!$.contains( this.element[ 0 ], itemElement ) :
-					true
-				)
-			) {
-
-				this.direction = intersection === 1 ? "down" : "up";
-
-				if ( this.options.tolerance === "pointer" || this._intersectsWithSides( item ) ) {
-					this._rearrange( event, item );
-				} else {
-					break;
+			this.dragDirection = {
+				vertical: this._getDragVerticalDirection(),
+				horizontal: this._getDragHorizontalDirection()
+			};
+
+			//Rearrange
+			for ( i = this.items.length - 1; i >= 0; i-- ) {
+
+				//Cache variables and intersection, continue if no intersection
+				item = this.items[ i ];
+				itemElement = item.item[ 0 ];
+				intersection = this._intersectsWithPointer( item );
+				if ( !intersection ) {
+					continue;
+				}
+
+				// Only put the placeholder inside the current Container, skip all
+				// items from other containers. This works because when moving
+				// an item from one container to another the
+				// currentContainer is switched before the placeholder is moved.
+				//
+				// Without this, moving items in "sub-sortables" can cause
+				// the placeholder to jitter between the outer and inner container.
+				if ( item.instance !== this.currentContainer ) {
+					continue;
 				}
 
-				this._trigger( "change", event, this._uiHash() );
-				break;
+				// Cannot intersect with itself
+				// no useless actions that have been done before
+				// no action if the item moved is the parent of the item checked
+				if ( itemElement !== this.currentItem[ 0 ] &&
+					this.placeholder[ intersection === 1 ?
+					"next" : "prev" ]()[ 0 ] !== itemElement &&
+					!$.contains( this.placeholder[ 0 ], itemElement ) &&
+					( this.options.type === "semi-dynamic" ?
+						!$.contains( this.element[ 0 ], itemElement ) :
+						true
+					)
+				) {
+
+					this.direction = intersection === 1 ? "down" : "up";
+
+					if ( this.options.tolerance === "pointer" ||
+							this._intersectsWithSides( item ) ) {
+						this._rearrange( event, item );
+					} else {
+						break;
+					}
+
+					this._trigger( "change", event, this._uiHash() );
+					break;
+				}
 			}
 		}
 
-		//Post events to containers
-		this._contactContainers( event );
-
 		//Interconnect with droppables
 		if ( $.ui.ddmanager ) {
 			$.ui.ddmanager.drag( this, event );
@@ -663,8 +691,8 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 			return false;
 		}
 
-		verticalDirection = this._getDragVerticalDirection();
-		horizontalDirection = this._getDragHorizontalDirection();
+		verticalDirection = this.dragDirection.vertical;
+		horizontalDirection = this.dragDirection.horizontal;
 
 		return this.floating ?
 			( ( horizontalDirection === "right" || verticalDirection === "down" ) ? 2 : 1 )
@@ -678,8 +706,8 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 				this.offset.click.top, item.top + ( item.height / 2 ), item.height ),
 			isOverRightHalf = this._isOverAxis( this.positionAbs.left +
 				this.offset.click.left, item.left + ( item.width / 2 ), item.width ),
-			verticalDirection = this._getDragVerticalDirection(),
-			horizontalDirection = this._getDragHorizontalDirection();
+			verticalDirection = this.dragDirection.vertical,
+			horizontalDirection = this.dragDirection.horizontal;
 
 		if ( this.floating && horizontalDirection ) {
 			return ( ( horizontalDirection === "right" && isOverRightHalf ) ||
@@ -821,26 +849,14 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 
 	},
 
-	refreshPositions: function( fast ) {
-
-		// Determine whether items are being displayed horizontally
-		this.floating = this.items.length ?
-			this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) :
-			false;
-
-		//This has to be redone because due to the item being moved out/into the offsetParent,
-		// the offsetParent's position will change
-		if ( this.offsetParent && this.helper ) {
-			this.offset.parent = this._getParentOffset();
-		}
-
+	_refreshItemPositions: function( fast ) {
 		var i, item, t, p;
 
 		for ( i = this.items.length - 1; i >= 0; i-- ) {
 			item = this.items[ i ];
 
 			//We ignore calculating positions of all connected containers when we're not over them
-			if ( item.instance !== this.currentContainer && this.currentContainer &&
+			if ( this.currentContainer && item.instance !== this.currentContainer &&
 					item.item[ 0 ] !== this.currentItem[ 0 ] ) {
 				continue;
 			}
@@ -858,6 +874,20 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 			item.left = p.left;
 			item.top = p.top;
 		}
+	},
+
+	refreshPositions: function( fast ) {
+
+		// Determine whether items are being displayed horizontally
+		this.floating = this.items.length ?
+			this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) :
+			false;
+
+		if ( this.innermostContainer !== null ) {
+			this._refreshItemPositions( fast );
+		}
+
+		var i, p;
 
 		if ( this.options.custom && this.options.custom.refreshContainers ) {
 			this.options.custom.refreshContainers.call( this );
@@ -1003,6 +1033,8 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 
 		}
 
+		this.innermostContainer = innermostContainer;
+
 		// If no intersecting containers found, return
 		if ( !innermostContainer ) {
 			return;
@@ -1071,6 +1103,15 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 			//Update the placeholder
 			this.options.placeholder.update( this.currentContainer, this.placeholder );
 
+			//Update scrollParent
+			this.scrollParent = this.placeholder.scrollParent();
+
+			//Update overflowOffset
+			if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
+					this.scrollParent[ 0 ].tagName !== "HTML" ) {
+				this.overflowOffset = this.scrollParent.offset();
+			}
+
 			this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
 			this.containers[ innermostIndex ].containerCache.over = 1;
 		}
@@ -1086,9 +1127,7 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 
 		//Add the helper to the DOM if that didn't happen already
 		if ( !helper.parents( "body" ).length ) {
-			$( o.appendTo !== "parent" ?
-				o.appendTo :
-				this.currentItem[ 0 ].parentNode )[ 0 ].appendChild( helper[ 0 ] );
+			this.appendTo[ 0 ].appendChild( helper[ 0 ] );
 		}
 
 		if ( helper[ 0 ] === this.currentItem[ 0 ] ) {
diff --git a/ui/widgets/tabs.js b/ui/widgets/tabs.js
index 58a65ebe8..14f94ae83 100644
--- a/ui/widgets/tabs.js
+++ b/ui/widgets/tabs.js
@@ -96,7 +96,7 @@ $.widget( "ui.tabs", {
 		// Take disabling tabs via class attribute from HTML
 		// into account and update option properly.
 		if ( $.isArray( options.disabled ) ) {
-			options.disabled = $.unique( options.disabled.concat(
+			options.disabled = $.uniqueSort( options.disabled.concat(
 				$.map( this.tabs.filter( ".ui-state-disabled" ), function( li ) {
 					return that.tabs.index( li );
 				} )