Merge branch 'master' into selectmenu

64 files changed, 1148 insertions, 705 deletions

diff --git a/.csslintrc b/.csslintrc
new file mode 100644
index 000000000..5d9db072c
--- /dev/null
+++ b/.csslintrc
@@ -0,0 +1,11 @@
+{
+	"adjoining-classes": false,
+	"box-model": false,
+	"compatible-vendor-prefixes": false,
+	"duplicate-background-images": false,
+	"import": false,
+	"important": false,
+	"outline-none": false,
+	"overqualified-elements": false,
+	"text-indent": false
+}
diff --git a/.mailmap b/.mailmap
index e130cc4bb..f83fbe970 100644
--- a/.mailmap
+++ b/.mailmap
@@ -1,6 +1,90 @@
+Aaron Peterson <aaronp123@yahoo.com>
+Adam Baratz <adam@adambaratz.com> <adam.baratz@gmail.com>
+Adam Sontag <ajpiano@ajpiano.com>
+Alexander Polomoshnov <alex.polomoshnov@gmail.com>
+Aliaksandr Rahalevich <saksmlz@gmail.com>
+Andrew Couch <andy@couchand.com> <acouch@bluewolf.com>
+Andrew Newcomb <ext.github@preceptsoftware.co.uk>
+Andrew Powell <powella@gmail.com> <andrew@shellscape.org>
+Andrey Kapitcyn <ru.m157y@gmail.com>
+Ben Hollis <bhollis@amazon.com> <ben@benhollis.net>
+Benjamin Scott Boyle <benjamins.boyle@gmail.com>
+Bert ter Heide <bertjh@hotmail.com>
+Chairat Sunthornwiphat <pipo@sixhead.com>
+Corey Frang <gnarf@gnarf.net>
+Courtland Allen <courtlandallen@gmail.com>
+Dan Streetman <ddstreet@ieee.org>
+Diego Tres <diegotres@gmail.com>
+Dominique Vincent <dominique.vincent@toitl.com>
+Doug Blood <dougblood@gmail.com>
+Douglas Cerna <douglascerna@yahoo.com> <replaceafill@system76.(none)>
+Douglas Neiner <doug@pixelgraphics.us>
+Douglas Neiner <doug@pixelgraphics.us> <doug@Doug-Neiners-MacBook-Pro.local>
+Dylan Just <dev@ephox.com>
+Eddie Monge <eddie@eddiemonge.com>
+Edward A Faulkner <ef@alum.mit.edu>
+Eric Hynds <eric@hynds.net>
+Ethan Romba <ethanromba@gmail.com> <ethan.romba@parivedasolutions.com>
+EungJun Yi <semtlenori@gmail.com>
+Eyal Kobrigo <kobrigo@hotmail.com>
+Filippo Cavallarin <filippo.cavallarin@codseq.it> <poplix@papuasia.org>
+Florian Gutmann <f.gutmann@chronimo.com> <blackfeet@gmx.at>
+Genie <386@mail.com>
+Guntupalli Karunakar <karunakarg@yahoo.com>
+Hiroshi Tomita <tomykaira@gmail.com>
+Ian Simpson <spoonlikesham@gmail.com>
+Igor Milla <igor.fsp.milla@gmail.com>
+Israel Tsadok <itsadok@gmail.com>
+Jacek Jędrzejewski <jacek.jedrzejewski@gmail.com>
+Jamie Gegerson <git@jamiegegerson.com>
+Jay Merrifield <fracmak@gmail.com> <merrifieldj@pixia.com>
+John Enters <github@darkdark.net>
+Jonathan Vingiano <jvingiano@gmail.com>
+Josh Varner <josh.varner@gmail.com>
+Justin Domnitz <jdomnitz@gmail.com>
+Justin MacCarthy <Justin@Rubystars.biz>
+Jörn Zaefferer <joern.zaefferer@gmail.com>
+Karl Kirch <karlkrch@gmail.com> <karl.ctr.kirch@faa.gov>
+Kevin Dalman <development@allpro.net>
+Klaus Hartl <klaus.hartl@googlemail.com> carhartl <klaus.hartl@stilbuero.de>
 Kris Borchers <kris.borchers@gmail.com>
 Kris Borchers <kris.borchers@gmail.com> <k_borchers@yahoo.com>
-Corey Frang <gnarf@gnarf.net>
+Krzysztof Rosiński <rozwell69@gmail.com>
+Lev Kitsis <spam4lev@gmail.com>
 Maggie Costello Wachs <fg.maggie@gmail.com> maggiewachs <maggie@filamentgroup.com>
+Marc Neuwirth <marc.neuwirth@gmail.com>
+Marcos Sousa <falecomigo@marcossousa.com> <marcos.sousa@corp.globo.com>
+Martin Frost <martinf55@hotmail.com>
+Mathias Stenbom <mathias@stenbom.com>
+Matthew Edward Hutton <meh@corefiling.co.uk>
+Max Schnur <max.schnur@gmail.com>
+Michael Hollis <hollis21@gmail.com>
+Michael Stay <metaweta@gmail.com>
+Michael Wu <michaelmwu@gmail.com>
+Mike Alsup <malsup@gmail.com>
+Milan Broum <midlis@googlemail.com>
+Mohamed Cherif Bouchelaghem <cherifbouchelaghem@yahoo.fr> <cherif@cherif.(none)>
+Paul Irish <paul.irish@gmail.com>
+Pavol Hluchý <lopo@losys.sk>
+Peter Heiberg <peter@heiberg.se>
+Petr Hromadko <yuriy@tokyoscale.com>
+Phillip Barnes <philbar@gmail.com> <phillipbarnes@Phillip-Barnes-Computer.local>
+Pierre-Henri Ausseil <ph.ausseil@gmail.com>
+Raymond Schwartz <skeetergraphics@gmail.com>
 Richard Worth <rdworth@gmail.com>
-Jörn Zaefferer <joern.zaefferer@gmail.com>
+Rick Waldron <waldron.rick@gmail.com>
+Ryan Neufeld <ryan@neufeldmail.com>
+Ryan Olton <oltonr@gmail.com>
+Saji Nediyanchath <saji89@gmail.com> Saji <saji@saji-laptop.(none)>
+Sebastian Sauer <info@dynpages.de>
+Sergey Kartashov <ebishkek@yandex.ru>
+Shahyar Ghobadpour <shahyar@gmail.com>
+Shane Whittet <whittet@gmail.com>
+Shannon Pekary <spekary@gmail.com>
+Simon Sattes <simon.sattes@gmail.com>
+Stojce Slavkovski <stojce@gmail.com>
+Tarafder Ashek-E-Elahi <mail.ashek@gmail.com>
+Thibault Duplessis <thibault.duplessis@gmail.com>
+Ting Kuei <ting@kuei.com>
+Wesley Walser <waw325@gmail.com> <wwalser@atlassian.com>
+Xavi Ramirez <xavi.rmz@gmail.com>
diff --git a/AUTHORS.txt b/AUTHORS.txt
index 2a7a396c8..756e9daa5 100644
--- a/AUTHORS.txt
+++ b/AUTHORS.txt
@@ -168,7 +168,7 @@ Genie <386@mail.com>
 Rick Waldron <waldron.rick@gmail.com>
 Ian Simpson <spoonlikesham@gmail.com>
 Lev Kitsis <spam4lev@gmail.com>
-Ted VanToll <tj.vantoll@gmail.com>
+TJ VanToll <tj.vantoll@gmail.com>
 Justin Domnitz <jdomnitz@gmail.com>
 Douglas Cerna <douglascerna@yahoo.com>
 Bert ter Heide <bertjh@hotmail.com>
@@ -216,8 +216,8 @@ Marc-Andre Lafortune <github@marc-andre.ca>
 Nate Eagle <nate.eagle@teamaol.com>
 David Souther <davidsouther@gmail.com>
 Mathias Stenbom <mathias@stenbom.com>
-Avinash R <nashpapa@gmail.com>
 Sergey Kartashov <ebishkek@yandex.ru>
+Avinash R <nashpapa@gmail.com>
 Ethan Romba <ethanromba@gmail.com>
 Cory Gackenheimer <cory.gack@gmail.com>
 Juan Pablo Kaniefsky <jpkaniefsky@gmail.com>
@@ -236,3 +236,7 @@ Thomas Jaggi <thomas.jaggi@gmail.com>
 Vahid Sohrabloo <vahid4134@gmail.com>
 Travis Carden <travis.carden@gmail.com>
 Bruno M. Custódio <bruno@brunomcustodio.com>
+Nathanael Silverman <nathanael.silverman@gmail.com>
+Christian Wenz <christian@wenz.org>
+Steve Urmston <steve@urm.st>
+Zaven Muradyan <megalivoithos@gmail.com>
diff --git a/grunt.js b/Gruntfile.js
index 1281bdbd2..f00343d58 100644
--- a/grunt.js
+++ b/Gruntfile.js
@@ -18,11 +18,11 @@ var
 
 	uiFiles = coreFiles.map(function( file ) {
 		return "ui/" + file;
-	}).concat( grunt.file.expandFiles( "ui/*.js" ).filter(function( file ) {
+	}).concat( expandFiles( "ui/*.js" ).filter(function( file ) {
 		return coreFiles.indexOf( file.substring(3) ) === -1;
 	})),
 
-	allI18nFiles = grunt.file.expandFiles( "ui/i18n/*.js" ),
+	allI18nFiles = expandFiles( "ui/i18n/*.js" ),
 
 	cssFiles = [
 		"core",
@@ -47,12 +47,38 @@ var
 
 	// minified files
 	minify = {
-		"dist/jquery-ui.min.js": [ "<banner:meta.bannerAll>", "dist/jquery-ui.js" ],
-		"dist/i18n/jquery-ui-i18n.min.js": [ "<banner:meta.bannerI18n>", "dist/i18n/jquery-ui-i18n.js" ]
+		options: {
+			preserveComments: false
+		},
+		main: {
+			options: {
+				banner: createBanner( uiFiles )
+			},
+			files: {
+				"dist/jquery-ui.min.js": "dist/jquery-ui.js"
+			}
+		},
+		i18n: {
+			options: {
+				banner: createBanner( allI18nFiles )
+			},
+			files: {
+				"dist/i18n/jquery-ui-i18n.min.js": "dist/i18n/jquery-ui-i18n.js"
+			}
+		}
 	},
 
 	minifyCSS = {
-		"dist/jquery-ui.min.css": "dist/jquery-ui.css"
+		options: {
+			keepSpecialComments: 0
+		},
+		main: {
+			options: {
+				keepSpecialComments: '*'
+			},
+			src: "dist/jquery-ui.css",
+			dest: "dist/jquery-ui.min.css"
+		}
 	},
 
 	compareFiles = {
@@ -66,90 +92,108 @@ function mapMinFile( file ) {
 	return "dist/" + file.replace( /\.js$/, ".min.js" ).replace( /ui\//, "minified/" );
 }
 
+function expandFiles( files ) {
+	return grunt.util._.pluck( grunt.file.expandMapping( files ), "src" ).map(function( values ) {
+		return values[ 0 ];
+	});
+}
+
 uiFiles.concat( allI18nFiles ).forEach(function( file ) {
-	minify[ mapMinFile( file ) ] = [ "<banner>", file ];
+	minify[ file ] = {
+		options: {
+			banner: createBanner()
+		},
+		files: {}
+	};
+	minify[ file ].files[ mapMinFile( file ) ] = file;
 });
 
 cssFiles.forEach(function( file ) {
-	minifyCSS[ "dist/" + file.replace( /\.css$/, ".min.css" ).replace( /themes\/base\//, "themes/base/minified/" ) ] = [ "<banner>", "<strip_all_banners:" + file + ">" ];
+	minifyCSS[ file ] = {
+		options: {
+			banner: createBanner()
+		},
+		src: file,
+		dest: "dist/" + file.replace( /\.css$/, ".min.css" ).replace( /themes\/base\//, "themes/base/minified/" )
+	};
 });
 
 uiFiles.forEach(function( file ) {
+	// TODO this doesn't do anything until https://github.com/rwldrn/grunt-compare-size/issues/13
 	compareFiles[ file ] = [ file,  mapMinFile( file ) ];
 });
 
 // grunt plugins
-grunt.loadNpmTasks( "grunt-css" );
+grunt.loadNpmTasks( "grunt-contrib-jshint" );
+grunt.loadNpmTasks( "grunt-contrib-uglify" );
+grunt.loadNpmTasks( "grunt-contrib-concat" );
+grunt.loadNpmTasks( "grunt-contrib-qunit" );
+grunt.loadNpmTasks( "grunt-contrib-csslint" );
+grunt.loadNpmTasks( "grunt-contrib-cssmin" );
 grunt.loadNpmTasks( "grunt-html" );
 grunt.loadNpmTasks( "grunt-compare-size" );
-grunt.loadNpmTasks( "grunt-junit" );
 grunt.loadNpmTasks( "grunt-git-authors" );
 // local testswarm and build tasks
 grunt.loadTasks( "build/tasks" );
 
-grunt.registerHelper( "strip_all_banners", function( filepath ) {
-	return grunt.file.read( filepath ).replace( /^\s*\/\*[\s\S]*?\*\/\s*/g, "" );
-});
-
-function stripBanner( files ) {
-	return files.map(function( file ) {
-		return "<strip_all_banners:" + file + ">";
-	});
-}
-
 function stripDirectory( file ) {
-	// TODO: we're receiving the directive, so we need to strip the trailing >
-	// we should be receving a clean path without the directive
 	return file.replace( /.+\/(.+?)>?$/, "$1" );
 }
-// allow access from banner template
-global.stripDirectory = stripDirectory;
 
 function createBanner( files ) {
 	// strip folders
 	var fileNames = files && files.map( stripDirectory );
 	return "/*! <%= pkg.title || pkg.name %> - v<%= pkg.version %> - " +
 		"<%= grunt.template.today('isoDate') %>\n" +
-		"<%= pkg.homepage ? '* ' + pkg.homepage + '\n' : '' %>" +
-		"* Includes: " + (files ? fileNames.join(", ") : "<%= stripDirectory(grunt.task.current.file.src[1]) %>") + "\n" +
+		"<%= pkg.homepage ? '* ' + pkg.homepage + '\\n' : '' %>" +
+		(files ? "* Includes: " + fileNames.join(", ") + "\n" : "")+
 		"* Copyright <%= grunt.template.today('yyyy') %> <%= pkg.author.name %>;" +
-		" Licensed <%= _.pluck(pkg.licenses, 'type').join(', ') %> */";
+		" Licensed <%= _.pluck(pkg.licenses, 'type').join(', ') %> */\n";
 }
 
 grunt.initConfig({
-	pkg: "<json:package.json>",
+	pkg: grunt.file.readJSON("package.json"),
 	files: {
 		dist: "<%= pkg.name %>-<%= pkg.version %>",
 		cdn: "<%= pkg.name %>-<%= pkg.version %>-cdn",
 		themes: "<%= pkg.name %>-themes-<%= pkg.version %>"
 	},
-	meta: {
-		banner: createBanner(),
-		bannerAll: createBanner( uiFiles ),
-		bannerI18n: createBanner( allI18nFiles ),
-		bannerCSS: createBanner( cssFiles )
-	},
 	compare_size: compareFiles,
 	concat: {
 		ui: {
-			src: [ "<banner:meta.bannerAll>", stripBanner( uiFiles ) ],
+			options: {
+				banner: createBanner( uiFiles ),
+				stripBanners: {
+					block: true
+				}
+			},
+			src: uiFiles,
 			dest: "dist/jquery-ui.js"
 		},
 		i18n: {
-			src: [ "<banner:meta.bannerI18n>", allI18nFiles ],
+			options: {
+				banner: createBanner( allI18nFiles )
+			},
+			src: allI18nFiles,
 			dest: "dist/i18n/jquery-ui-i18n.js"
 		},
 		css: {
-			src: [ "<banner:meta.bannerCSS>", stripBanner( cssFiles ) ],
+			options: {
+				banner: createBanner( cssFiles ),
+				stripBanners: {
+					block: true
+				}
+			},
+			src: cssFiles,
 			dest: "dist/jquery-ui.css"
 		}
 	},
-	min: minify,
+	uglify: minify,
 	cssmin: minifyCSS,
 	htmllint: {
 		// ignore files that contain invalid html, used only for ajax content testing
 		all: grunt.file.expand( [ "demos/**/*.html", "tests/**/*.html" ] ).filter(function( file ) {
-			return !/(?:ajax\/content\d\.html|tabs\/data\/test\.html|tests\/unit\/core\/core\.html)/.test( file );
+			return !/(?:ajax\/content\d\.html|tabs\/data\/test\.html|tests\/unit\/core\/core.*\.html)/.test( file );
 		})
 	},
 	copy: {
@@ -159,7 +203,7 @@ grunt.initConfig({
 				"jquery-*.js",
 				"MIT-LICENSE.txt",
 				"README.md",
-				"grunt.js",
+				"Gruntfile.js",
 				"package.json",
 				"*.jquery.json",
 				"ui/**/*",
@@ -210,9 +254,7 @@ grunt.initConfig({
 				"dist/jquery-ui.js": "jquery-ui.js",
 				"dist/jquery-ui.min.js": "jquery-ui.min.js",
 				"dist/i18n/jquery-ui-i18n.js": "i18n/jquery-ui-i18n.js",
-				"dist/i18n/jquery-ui-i18n.min.js": "i18n/jquery-ui-i18n.min.js",
-				"dist/jquery-ui.css": "themes/base/jquery-ui.css",
-				"dist/jquery-ui.min.css": "themes/base/minified/jquery-ui.min.css"
+				"dist/i18n/jquery-ui-i18n.min.js": "i18n/jquery-ui-i18n.min.js"
 			},
 			dest: "dist/<%= files.cdn %>"
 		},
@@ -231,11 +273,6 @@ grunt.initConfig({
 			strip: /^dist\/minified/,
 			dest: "dist/<%= files.cdn %>/ui"
 		},
-		cdn_min_images: {
-			src: "themes/base/images/*",
-			strip: /^themes\/base\//,
-			dest: "dist/<%= files.cdn %>/themes/base/minified"
-		},
 		cdn_themes: {
 			src: "dist/<%= files.themes %>/themes/**/*",
 			strip: "dist/<%= files.themes %>",
@@ -279,68 +316,56 @@ grunt.initConfig({
 		}
 	},
 	qunit: {
-		files: grunt.file.expandFiles( "tests/unit/**/*.html" ).filter(function( file ) {
+		files: expandFiles( "tests/unit/**/*.html" ).filter(function( file ) {
 			// disabling everything that doesn't (quite) work with PhantomJS for now
 			// TODO except for all|index|test, try to include more as we go
-			return !( /(all|index|test|dialog|dialog_deprecated|tabs|tooltip)\.html$/ ).test( file );
+			return !( /(all|index|test|dialog|tabs|tooltip)\.html$/ ).test( file );
 		})
 	},
-	lint: {
-		ui: "ui/*.js",
-		grunt: [ "grunt.js", "build/**/*.js" ],
-		tests: "tests/unit/**/*.js"
+	jshint: {
+		ui: {
+			options: {
+				jshintrc: "ui/.jshintrc"
+			},
+			files: {
+				src: "ui/*.js"
+			}
+		},
+		grunt: {
+			options: {
+				jshintrc: ".jshintrc"
+			},
+			files: {
+				src: [ "Gruntfile.js", "build/**/*.js" ]
+			}
+		},
+		tests: {
+			options: {
+				jshintrc: "tests/.jshintrc"
+			},
+			files: {
+				src: "tests/unit/**/*.js"
+			}
+		}
 	},
 	csslint: {
-		// nothing: []
-		// TODO figure out what to check for, then fix and enable
 		base_theme: {
-			src: grunt.file.expandFiles( "themes/base/*.css" ).filter(function( file ) {
-				// TODO remove items from this list once rewritten
-				return !( /(button|datepicker|core|dialog|theme)\.css$/ ).test( file );
-			}),
-			// TODO consider reenabling some of these rules
-			rules: {
-				"adjoining-classes": false,
-				"import": false,
-				"outline-none": false,
-				// especially this one
-				"overqualified-elements": false,
-				"compatible-vendor-prefixes": false
+			src: "themes/base/*.css",
+			options: {
+				csslintrc: ".csslintrc"
 			}
 		}
-	},
-	jshint: (function() {
-		function parserc( path ) {
-			var rc = grunt.file.readJSON( (path || "") + ".jshintrc" ),
-				settings = {
-					options: rc,
-					globals: {}
-				};
-
-			(rc.predef || []).forEach(function( prop ) {
-				settings.globals[ prop ] = true;
-			});
-			delete rc.predef;
-
-			return settings;
-		}
-
-		return {
-			grunt: parserc(),
-			ui: parserc( "ui/" ),
-			// TODO: `evil: true` is only for document.write() https://github.com/jshint/jshint/issues/519
-			// TODO: don't create so many globals in tests
-			tests: parserc( "tests/" )
-		};
-	})()
+	}
 });
 
-grunt.registerTask( "default", "lint csslint htmllint qunit" );
-grunt.registerTask( "sizer", "concat:ui min:dist/jquery-ui.min.js compare_size:all" );
-grunt.registerTask( "sizer_all", "concat:ui min compare_size" );
-grunt.registerTask( "build", "concat min cssmin copy:dist_units_images" );
-grunt.registerTask( "release", "clean build copy:dist copy:dist_min copy:dist_min_images copy:dist_css_min md5:dist zip:dist" );
-grunt.registerTask( "release_themes", "release generate_themes copy:themes md5:themes zip:themes" );
-grunt.registerTask( "release_cdn", "release_themes copy:cdn copy:cdn_min copy:cdn_i18n copy:cdn_i18n_min copy:cdn_min_images copy:cdn_themes md5:cdn zip:cdn" );
+grunt.registerTask( "default", [ "lint", "test" ] );
+grunt.registerTask( "lint", [ "jshint", "csslint", "htmllint" ] );
+grunt.registerTask( "test", [ "qunit" ] );
+grunt.registerTask( "sizer", [ "concat:ui", "uglify:main", "compare_size:all" ] );
+grunt.registerTask( "sizer_all", [ "concat:ui", "uglify", "compare_size" ] );
+grunt.registerTask( "build", [ "concat", "uglify", "cssmin", "copy:dist_units_images" ] );
+grunt.registerTask( "release", "clean build copy:dist copy:dist_min copy:dist_min_images copy:dist_css_min md5:dist zip:dist".split( " " ) );
+grunt.registerTask( "release_themes", "release generate_themes copy:themes md5:themes zip:themes".split( " " ) );
+grunt.registerTask( "release_cdn", "release_themes copy:cdn copy:cdn_min copy:cdn_i18n copy:cdn_i18n_min copy:cdn_themes md5:cdn zip:cdn".split( " " ) );
 
 };
diff --git a/README.md b/README.md
index e7ae90e8a..cc6121d5d 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ These should be squashed before landing in master.
 
 Fetch the remote first:
 
-    git fetch [their-fork.git] [their-branch]
+	git fetch [their-fork.git] [their-branch]
 
 Then cherry-pick the commit(s):
 
@@ -83,7 +83,7 @@ Then cherry-pick the commit(s):
 
 If you need to edit the commit message:
 
-    git cherry-pick -e [sha-of-commit]
+	git cherry-pick -e [sha-of-commit]
 
 If you need to edit the changes:
 
@@ -93,7 +93,7 @@ If you need to edit the changes:
 
 If it should go to the stable brach, cherry-pick it to stable:
 
-    git checkout 1-8-stable
-    git cherry-pick -x [sha-of-commit-from-master]
+	git checkout 1-10-stable
+	git cherry-pick -x [sha-of-commit-from-master]
 
-*NOTE: Do not cherry-pick into 1-8-stable until you have pushed the commit from master upstream.*
+*NOTE: Do not cherry-pick into 1-10-stable until you have pushed the commit from master upstream.*
diff --git a/build/tasks/build.js b/build/tasks/build.js
index a8f25f98f..978bee004 100644
--- a/build/tasks/build.js
+++ b/build/tasks/build.js
@@ -5,6 +5,19 @@ module.exports = function( grunt ) {
 var path = require( "path" ),
 	fs = require( "fs" );
 
+function expandFiles( files ) {
+	return grunt.util._.pluck( grunt.file.expandMapping( files ), "src" ).filter(function(filepath) {
+		// restrict to files, exclude folders
+		try {
+			return fs.statSync( filepath[ 0 ] ).isFile();
+		} catch(e) {
+			throw grunt.task.taskError(e.message, e);
+		}
+	}).map(function( values ) {
+		return values[ 0 ];
+	});
+}
+
 grunt.registerTask( "manifest", "Generate jquery.json manifest files", function() {
 	var pkg = grunt.config( "pkg" ),
 		base = {
@@ -97,8 +110,8 @@ grunt.registerMultiTask( "copy", "Copy files to destination folder and replace @
 			grunt.file.copy( src, dest );
 		}
 	}
-	var files = grunt.file.expandFiles( this.file.src ),
-		target = this.file.dest + "/",
+	var files = expandFiles( this.filesSrc ),
+		target = this.data.dest + "/",
 		strip = this.data.strip,
 		renameCount = 0,
 		fileName;
@@ -121,28 +134,11 @@ grunt.registerMultiTask( "copy", "Copy files to destination folder and replace @
 
 
 grunt.registerMultiTask( "zip", "Create a zip file for release", function() {
-	// TODO switch back to adm-zip for better cross-platform compability once it actually works
-	// 0.1.3 works, but result can't be unzipped
-	// its also a lot slower then zip program, probably due to how its used...
-	// var files = grunt.file.expandFiles( "dist/" + this.file.src + "/**/*" );
-	// grunt.log.writeln( "Creating zip file " + this.file.dest );
-
-	//var AdmZip = require( "adm-zip" );
-	//var zip = new AdmZip();
-	//files.forEach(function( file ) {
-	//	grunt.verbose.writeln( "Zipping " + file );
-	//	// rewrite file names from dist folder (created by build), drop the /dist part
-	//	zip.addFile(file.replace(/^dist/, "" ), fs.readFileSync( file ) );
-	//});
-	//zip.writeZip( "dist/" + this.file.dest );
-	//grunt.log.writeln( "Wrote " + files.length + " files to " + this.file.dest );
-
 	var done = this.async(),
-		dest = this.file.dest,
-		src = grunt.template.process( this.file.src, grunt.config() );
-	grunt.utils.spawn({
+		dest = this.data.dest;
+	grunt.util.spawn({
 		cmd: "zip",
-		args: [ "-r", dest, src ],
+		args: [ "-r", dest, this.data.src ],
 		opts: {
 			cwd: 'dist'
 		}
@@ -159,19 +155,19 @@ grunt.registerMultiTask( "zip", "Create a zip file for release", function() {
 
 grunt.registerMultiTask( "md5", "Create list of md5 hashes for CDN uploads", function() {
 	// remove dest file before creating it, to make sure itself is not included
-	if ( fs.existsSync( this.file.dest ) ) {
-		fs.unlinkSync( this.file.dest );
+	if ( fs.existsSync( this.data.dest ) ) {
+		fs.unlinkSync( this.data.dest );
 	}
 	var crypto = require( "crypto" ),
-		dir = this.file.src + "/",
+		dir = this.filesSrc + "/",
 		hashes = [];
-	grunt.file.expandFiles( dir + "**/*" ).forEach(function( fileName ) {
+	expandFiles( dir + "**/*" ).forEach(function( fileName ) {
 		var hash = crypto.createHash( "md5" );
 		hash.update( grunt.file.read( fileName, "ascii" ) );
 		hashes.push( fileName.replace( dir, "" ) + " " + hash.digest( "hex" ) );
 	});
-	grunt.file.write( this.file.dest, hashes.join( "\n" ) + "\n" );
-	grunt.log.writeln( "Wrote " + this.file.dest + " with " + hashes.length + " hashes" );
+	grunt.file.write( this.data.dest, hashes.join( "\n" ) + "\n" );
+	grunt.log.writeln( "Wrote " + this.data.dest + " with " + hashes.length + " hashes" );
 });
 
 grunt.registerTask( "generate_themes", function() {
diff --git a/build/tasks/testswarm.js b/build/tasks/testswarm.js
index 55653649e..3166e9277 100644
--- a/build/tasks/testswarm.js
+++ b/build/tasks/testswarm.js
@@ -14,9 +14,9 @@ var versions = {
 		"Autocomplete": "autocomplete/autocomplete.html",
 		"Button": "button/button.html",
 		"Core": "core/core.html",
+		"Core_deprecated": "core/core_deprecated.html",
 		"Datepicker": "datepicker/datepicker.html",
 		"Dialog": "dialog/dialog.html",
-		"Dialog_deprecated": "dialog/dialog_deprecated.html",
 		"Draggable": "draggable/draggable.html",
 		"Droppable": "droppable/droppable.html",
 		"Effects": "effects/effects.html",
diff --git a/demos/autocomplete/combobox.html b/demos/autocomplete/combobox.html
index f89f260eb..22f34aa17 100644
--- a/demos/autocomplete/combobox.html
+++ b/demos/autocomplete/combobox.html
@@ -41,6 +41,7 @@
 					.addClass( "ui-combobox" )
 					.insertAfter( this.element );
 
+				this.element.hide();
 				this._createAutocomplete();
 				this._createShowAllButton();
 			},
@@ -76,7 +77,8 @@
 			},
 
 			_createShowAllButton: function() {
-				var wasOpen = false;
+				var input = this.input,
+					wasOpen = false;
 
 				$( "<a>" )
 					.attr( "tabIndex", -1 )
@@ -152,7 +154,7 @@
 				this._delay(function() {
 					this.input.tooltip( "close" ).attr( "title", "" );
 				}, 2500 );
-				this.input.data( "ui-autocomplete" ).term = "";
+				this.input.autocomplete( "instance" ).term = "";
 			},
 
 			_destroy: function() {
diff --git a/demos/autocomplete/custom-data.html b/demos/autocomplete/custom-data.html
index 4e518db4d..32e6a9ad3 100644
--- a/demos/autocomplete/custom-data.html
+++ b/demos/autocomplete/custom-data.html
@@ -66,7 +66,7 @@
 				return false;
 			}
 		})
-		.data( "ui-autocomplete" )._renderItem = function( ul, item ) {
+		.autocomplete( "instance" )._renderItem = function( ul, item ) {
 			return $( "<li>" )
 				.append( "<a>" + item.label + "<br>" + item.desc + "</a>" )
 				.appendTo( ul );
diff --git a/demos/autocomplete/multiple-remote.html b/demos/autocomplete/multiple-remote.html
index ed275628a..c97b3a904 100644
--- a/demos/autocomplete/multiple-remote.html
+++ b/demos/autocomplete/multiple-remote.html
@@ -29,7 +29,7 @@
 			// don't navigate away from the field on tab when selecting an item
 			.bind( "keydown", function( event ) {
 				if ( event.keyCode === $.ui.keyCode.TAB &&
-						$( this ).data( "ui-autocomplete" ).menu.active ) {
+						$( this ).autocomplete( "instance" ).menu.active ) {
 					event.preventDefault();
 				}
 			})
diff --git a/demos/autocomplete/multiple.html b/demos/autocomplete/multiple.html
index 68ae3d6a0..909432277 100644
--- a/demos/autocomplete/multiple.html
+++ b/demos/autocomplete/multiple.html
@@ -48,7 +48,7 @@
 			// don't navigate away from the field on tab when selecting an item
 			.bind( "keydown", function( event ) {
 				if ( event.keyCode === $.ui.keyCode.TAB &&
-						$( this ).data( "ui-autocomplete" ).menu.active ) {
+						$( this ).autocomplete( "instance" ).menu.active ) {
 					event.preventDefault();
 				}
 			})
diff --git a/demos/progressbar/label.html b/demos/progressbar/label.html
index 3e669ba4a..a1e16cb71 100644
--- a/demos/progressbar/label.html
+++ b/demos/progressbar/label.html
@@ -10,10 +10,13 @@
 	<script src="../../ui/jquery.ui.progressbar.js"></script>
 	<link rel="stylesheet" href="../demos.css">
 	<style>
+	.ui-progressbar {
+		position: relative;
+	}
 	.progress-label {
-		float: left;
-		margin-left: 50%;
-		margin-top: 5px;
+		position: absolute;
+		left: 50%;
+		top: 4px;
 		font-weight: bold;
 		text-shadow: 1px 1px 0 #fff;
 	}
diff --git a/demos/spinner/default.html b/demos/spinner/default.html
index 5093e8666..3d3288807 100644
--- a/demos/spinner/default.html
+++ b/demos/spinner/default.html
@@ -23,7 +23,7 @@
 			}
 		});
 		$( "#destroy" ).click(function() {
-			if ( spinner.data( "ui-spinner" ) ) {
+			if ( spinner.spinner( "instance" ) ) {
 				spinner.spinner( "destroy" );
 			} else {
 				spinner.spinner();
diff --git a/package.json b/package.json
index ae8b13dc8..93c45a9fc 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
 	"name": "jquery-ui",
 	"title": "jQuery UI",
 	"description": "A curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library.",
-	"version": "1.10.2pre",
+	"version": "1.10.3pre",
 	"homepage": "http://jqueryui.com",
 	"author": {
 		"name": "jQuery Foundation and other contributors",
@@ -53,13 +53,17 @@
 	],
 	"dependencies": {},
 	"devDependencies": {
-		"grunt": "~0.3.17",
-		"grunt-css": "0.2.0",
-		"grunt-compare-size": "0.1.4",
-		"grunt-html": "0.1.1",
-		"grunt-junit": "0.1.5",
-		"grunt-git-authors": "1.0.0",
-		"rimraf": "2.0.1",
+		"grunt": "0.4.0",
+		"grunt-contrib-jshint": "0.1.1",
+		"grunt-contrib-uglify": "0.1.1",
+		"grunt-contrib-concat": "0.1.3",
+		"grunt-contrib-qunit": "0.2.0",
+		"grunt-contrib-csslint": "0.1.1",
+		"grunt-contrib-cssmin": "0.4.2",
+		"grunt-compare-size": "0.3.1",
+		"grunt-html": "0.3.3",
+		"grunt-git-authors": "1.2.0",
+		"rimraf": "2.1.4",
 		"testswarm": "1.0.0-alpha"
 	},
 	"keywords": []
diff --git a/tests/unit/accordion/accordion_events.js b/tests/unit/accordion/accordion_events.js
index 79283d11c..5f6cfa8bc 100644
--- a/tests/unit/accordion/accordion_events.js
+++ b/tests/unit/accordion/accordion_events.js
@@ -6,7 +6,7 @@ var setupTeardown = TestHelpers.accordion.setupTeardown,
 module( "accordion: events", setupTeardown() );
 
 test( "create", function() {
-	expect( 15 );
+	expect( 10 );
 
 	var element = $( "#list1" ),
 		headers = element.children( "h3" ),
@@ -18,8 +18,6 @@ test( "create", function() {
 			strictEqual( ui.header[ 0 ], headers[ 0 ], "header" );
 			equal( ui.panel.length, 1, "panel length" );
 			strictEqual( ui.panel[ 0 ], contents[ 0 ], "panel" );
-			equal( ui.content.length, 1, "content length" );
-			strictEqual( ui.content[ 0 ], contents[ 0 ], "content" );
 		}
 	});
 	element.accordion( "destroy" );
@@ -31,8 +29,6 @@ test( "create", function() {
 			strictEqual( ui.header[ 0 ], headers[ 2 ], "header" );
 			equal( ui.panel.length, 1, "panel length" );
 			strictEqual( ui.panel[ 0 ], contents[ 2 ], "panel" );
-			equal( ui.content.length, 1, "content length" );
-			strictEqual( ui.content[ 0 ], contents[ 2 ], "content" );
 		}
 	});
 	element.accordion( "destroy" );
@@ -43,7 +39,6 @@ test( "create", function() {
 		create: function( event, ui ) {
 			equal( ui.header.length, 0, "header length" );
 			equal( ui.panel.length, 0, "panel length" );
-			equal( ui.content.length, 0, "content length" );
 		}
 	});
 	element.accordion( "destroy" );
diff --git a/tests/unit/accordion/accordion_methods.js b/tests/unit/accordion/accordion_methods.js
index b1123b828..7612479f7 100644
--- a/tests/unit/accordion/accordion_methods.js
+++ b/tests/unit/accordion/accordion_methods.js
@@ -14,10 +14,15 @@ test( "destroy", function() {
 });
 
 test( "enable/disable", function() {
-	expect( 4 );
+	expect( 7 );
 	var element = $( "#list1" ).accordion();
 	state( element, 1, 0, 0 );
 	element.accordion( "disable" );
+
+	ok( element.hasClass( "ui-state-disabled" ), "element gets ui-state-disabled" );
+	equal( element.attr( "aria-disabled" ), "true", "element gets aria-disabled" );
+	ok( element.hasClass( "ui-accordion-disabled" ), "element gets ui-accordion-disabled" );
+
 	// event does nothing
 	element.find( ".ui-accordion-header" ).eq( 1 ).trigger( "click" );
 	state( element, 1, 0, 0 );
diff --git a/tests/unit/all.html b/tests/unit/all.html
index ba96feef2..8dfff2a4e 100644
--- a/tests/unit/all.html
+++ b/tests/unit/all.html
@@ -20,9 +20,9 @@
 			"autocomplete/autocomplete.html",
 			"button/button.html",
 			"core/core.html",
+			"core/core_deprecated.html",
 			"datepicker/datepicker.html",
 			"dialog/dialog.html",
-			"dialog/dialog_deprecated.html",
 			"draggable/draggable.html",
 			"droppable/droppable.html",
 			"effects/effects.html",
diff --git a/tests/unit/autocomplete/autocomplete_core.js b/tests/unit/autocomplete/autocomplete_core.js
index 845a3b19d..a9fc1143c 100644
--- a/tests/unit/autocomplete/autocomplete_core.js
+++ b/tests/unit/autocomplete/autocomplete_core.js
@@ -99,7 +99,7 @@ test( "allow form submit on enter when menu is not active", function() {
 				delay: 0,
 				minLength: 0
 			});
-		element.data( "ui-autocomplete" )._move = function() {
+		element.autocomplete( "instance" )._move = function() {
 			didMove = true;
 		};
 		element.simulate( "keydown", { keyCode: ( isKeyUp ? $.ui.keyCode.UP : $.ui.keyCode.DOWN ) } );
@@ -114,7 +114,7 @@ test( "allow form submit on enter when menu is not active", function() {
 				delay: 0,
 				minLength: 0
 			});
-		element.data( "ui-autocomplete" )._move = function() {
+		element.autocomplete( "instance" )._move = function() {
 			ok( true, "repsond to arrow" );
 		};
 		element.autocomplete( "search" );
@@ -156,7 +156,7 @@ test( "ARIA", function() {
 	var element = $( "#autocomplete" ).autocomplete({
 			source: [ "java", "javascript" ]
 		}),
-		liveRegion = element.data( "ui-autocomplete" ).liveRegion;
+		liveRegion = element.autocomplete( "instance" ).liveRegion;
 
 	equal( liveRegion.text(), "", "Empty live region on create" );
 
diff --git a/tests/unit/autocomplete/autocomplete_options.js b/tests/unit/autocomplete/autocomplete_options.js
index 9f0bd2d43..c98f2c28e 100644
--- a/tests/unit/autocomplete/autocomplete_options.js
+++ b/tests/unit/autocomplete/autocomplete_options.js
@@ -88,17 +88,20 @@ asyncTest( "delay", function() {
 });
 
 asyncTest( "disabled", function() {
-	expect( 2 );
+	expect( 5 );
 	var element = $( "#autocomplete" ).autocomplete({
 			source: data,
-			delay: 0,
-			disabled: true
+			delay: 0
 		}),
-		menu = element.autocomplete( "widget" );
+		menu = element.autocomplete( "disable" ).autocomplete( "widget" );
 	element.val( "ja" ).keydown();
 
 	ok( menu.is( ":hidden" ) );
 
+	ok( !element.is( ".ui-state-disabled" ), "element doesn't get ui-state-disabled" );
+	ok( !element.attr( "aria-disabled" ), "element doesn't get aria-disabled" );
+	ok( menu.is( ".ui-autocomplete-disabled" ), "element gets ui-autocomplete-disabled" );
+
 	setTimeout(function() {
 		ok( menu.is( ":hidden" ) );
 		start();
diff --git a/tests/unit/button/button_options.js b/tests/unit/button/button_options.js
index e1931a54e..124a8699f 100644
--- a/tests/unit/button/button_options.js
+++ b/tests/unit/button/button_options.js
@@ -3,19 +3,26 @@
  */
 (function($) {
 
-module("button: options");
+module( "button: options" );
 
-test("disabled, explicit value", function() {
-	expect( 4 );
-	$("#radio01").button({ disabled: false });
-	deepEqual(false, $("#radio01").button("option", "disabled"),
-		"disabled option set to false");
-	deepEqual(false, $("#radio01").prop("disabled"), "element is disabled");
+test( "disabled, explicit value", function() {
+	expect( 9 );
 
-	$("#radio02").button({ disabled: true });
-	deepEqual(true, $("#radio02").button("option", "disabled"),
-		"disabled option set to true");
-	deepEqual(true, $("#radio02").prop("disabled"), "element is not disabled");
+	var element = $( "#radio01" ).button({ disabled: false });
+	deepEqual( element.button( "option", "disabled" ), false, "disabled option set to false" );
+	deepEqual( element.prop( "disabled" ), false, "element is disabled" );
+
+	ok( !element.button( "widget" ).hasClass( "ui-state-disabled" ), "element gets ui-state-disabled" );
+	ok( !element.button( "widget" ).hasClass( "ui-button-disabled" ), "element gets ui-button-disabled" );
+
+	element = $( "#radio02" ).button({ disabled: true });
+
+	ok( element.button( "widget" ).hasClass( "ui-state-disabled" ), "element gets ui-state-disabled" );
+	ok( !element.button( "widget" ).attr( "aria-disabled" ), "element does not get aria-disabled" );
+	ok( element.button( "widget" ).hasClass( "ui-button-disabled" ), "element gets ui-button-disabled" );
+
+	deepEqual( element.button( "option", "disabled" ), true, "disabled option set to true" );
+	deepEqual( element.prop( "disabled" ), true, "element is not disabled" );
 });
 
 test("disabled, null", function() {
diff --git a/tests/unit/core/core.html b/tests/unit/core/core.html
index 41c8db827..fd472d64a 100644
--- a/tests/unit/core/core.html
+++ b/tests/unit/core/core.html
@@ -117,17 +117,6 @@
 	<input id="dimensionlessParent-dimensionless" style="height: 0; width: 0;">
 </div>
 
-<div id="zIndex100" style="z-index: 100; position: absolute">
-	<div id="zIndexAutoWithParent">.</div>
-</div>
-<div id="zIndex100ViaCSS" class="zindex">
-	<div id="zIndexAutoWithParentViaCSS">.</div>
-</div>
-<div id="zIndex100ViaCSSPositioned" class="zindex absolute">
-	<div id="zIndexAutoWithParentViaCSSPositioned">.</div>
-</div>
-<div id="zIndexAutoNoParent"></div>
-
 <div id="dimensions" style="float: left; height: 50px; width: 100px; margin: 1px 12px 11px 2px; border-style: solid; border-width: 3px 14px 13px 4px; padding: 5px 16px 15px 6px;"></div>
 
 </div>
diff --git a/tests/unit/core/core.js b/tests/unit/core/core.js
index 78a225338..54d50d84e 100644
--- a/tests/unit/core/core.js
+++ b/tests/unit/core/core.js
@@ -26,25 +26,6 @@ asyncTest( "focus", function() {
 		});
 });
 
-test( "zIndex", function() {
-	expect( 7 );
-	var el = $( "#zIndexAutoWithParent" ),
-		parent = el.parent();
-	equal( el.zIndex(), 100, "zIndex traverses up to find value" );
-	equal( parent.zIndex(200 ), parent, "zIndex setter is chainable" );
-	equal( el.zIndex(), 200, "zIndex setter changed zIndex" );
-
-	el = $( "#zIndexAutoWithParentViaCSS" );
-	equal( el.zIndex(), 0, "zIndex traverses up to find CSS value, not found because not positioned" );
-
-	el = $( "#zIndexAutoWithParentViaCSSPositioned" );
-	equal( el.zIndex(), 100, "zIndex traverses up to find CSS value" );
-	el.parent().zIndex( 200 );
-	equal( el.zIndex(), 200, "zIndex setter changed zIndex, overriding CSS" );
-
-	equal( $( "#zIndexAutoNoParent" ).zIndex(), 0, "zIndex never explicitly set in hierarchy" );
-});
-
 test( "innerWidth - getter", function() {
 	expect( 2 );
 	var el = $( "#dimensions" );
diff --git a/tests/unit/core/core_deprecated.html b/tests/unit/core/core_deprecated.html
new file mode 100644
index 000000000..d9c41ca39
--- /dev/null
+++ b/tests/unit/core/core_deprecated.html
@@ -0,0 +1,136 @@
+<!doctype html>
+<html lang="en">
+<head>
+	<meta charset="utf-8">
+	<title>jQuery UI Core Test Suite</title>
+
+	<script src="../../jquery.js"></script>
+	<link rel="stylesheet" href="../../../external/qunit.css">
+	<script src="../../../external/qunit.js"></script>
+	<script src="../../jquery.simulate.js"></script>
+	<script src="../testsuite.js"></script>
+	<script>
+	TestHelpers.loadResources({
+		js: [ "ui/jquery.ui.core.js" ]
+	});
+	</script>
+
+	<script src="core.js"></script>
+	<script src="selector.js"></script>
+	<script src="core_deprecated.js"></script>
+
+	<script src="../swarminject.js"></script>
+	<style>
+	.zindex {
+		z-index: 100;
+	}
+	.absolute {
+		position: absolute;
+	}
+	</style>
+</head>
+<body>
+
+<h1 id="qunit-header">jQuery UI Core Test Suite</h1>
+<h2 id="qunit-banner"></h2>
+<div id="qunit-testrunner-toolbar"></div>
+<h2 id="qunit-userAgent"></h2>
+<ol id="qunit-tests"></ol>
+<div id="qunit-fixture">
+
+<img src="../images/jqueryui_32x32.png" usemap="#mymap" width="10" height="10" alt="">
+<map name="mymap">
+	<area shape="rect" coords="1,1,2,2" href="foo.html" id="areaCoordsHref" alt="">
+	<area href="foo.html" id="areaNoCoordsHref" alt="">
+</map>
+<map name="mymap2">
+	<area shape="rect" coords="1,1,2,2" href="foo.html" id="areaNoImg" alt="">
+</map>
+
+<form id="formNoTabindex"></form>
+<form id="formTabindex" tabindex="1"></form>
+
+<div>
+	<input id="visibleAncestor-inputTypeNone">
+	<input type="text" id="visibleAncestor-inputTypeText">
+	<input type="checkbox" id="visibleAncestor-inputTypeCheckbox">
+	<input type="radio" id="visibleAncestor-inputTypeRadio">
+	<input type="button" id="visibleAncestor-inputTypeButton" value="visibleAncestor-inputTypeButton">
+	<input type="hidden" id="visibleAncestor-inputTypeHidden">
+	<button id="visibleAncestor-button">x</button>
+	<select id="visibleAncestor-select">
+		<option>option</option>
+	</select>
+	<textarea id="visibleAncestor-textarea">x</textarea>
+	<object id="visibleAncestor-object" codebase="about:blank">xxx</object>
+	<a href="#" id="visibleAncestor-anchorWithHref">anchor</a>
+	<a id="visibleAncestor-anchorWithoutHref">anchor</a>
+	<span id="visibleAncestor-span">x</span>
+	<div id="visibleAncestor-div">x</div>
+	<span id="visibleAncestor-spanWithTabindex" tabindex="1">x</span>
+	<div id="visibleAncestor-divWithNegativeTabindex" tabindex="-1">x</div>
+</div>
+
+<div>
+	<input id="disabledElement-inputTypeNone" disabled="disabled">
+	<input type="text" id="disabledElement-inputTypeText" disabled="disabled">
+	<input type="checkbox" id="disabledElement-inputTypeCheckbox" disabled="disabled">
+	<input type="radio" id="disabledElement-inputTypeRadio" disabled="disabled">
+	<input type="button" id="disabledElement-inputTypeButton" disabled="disabled" value="disabledElement-inputTypeButton">
+	<input type="hidden" id="disabledElement-inputTypeHidden" disabled="disabled">
+	<button id="disabledElement-button" disabled="disabled"></button>
+	<select id="disabledElement-select" disabled="disabled"></select>
+	<textarea id="disabledElement-textarea" disabled="disabled"></textarea>
+</div>
+
+<div>
+	<div id="displayNoneAncestor" style="display: none;">
+		<input id="displayNoneAncestor-input">
+		<span tabindex="1" id="displayNoneAncestor-span">.</span>
+	</div>
+
+	<div id="visibilityHiddenAncestor" style="visibility: hidden;">
+		<input id="visibilityHiddenAncestor-input">
+		<span tabindex="1" id="visibilityHiddenAncestor-span">.</span>
+	</div>
+
+	<span tabindex="1" id="displayNone-span" style="display: none;">.</span>
+	<span tabindex="1" id="visibilityHidden-span" style="visibility: hidden;">.</span>
+
+	<input id="displayNone-input" style="display: none;">
+	<input id="visibilityHidden-input" style="visibility: hidden;">
+</div>
+
+<div>
+	<input id="inputTabindex0" tabindex="0">
+	<input id="inputTabindex10" tabindex="10">
+	<input id="inputTabindex-1" tabindex="-1">
+	<input id="inputTabindex-50" tabindex="-50">
+
+	<span id="spanTabindex0" tabindex="0">.</span>
+	<span id="spanTabindex10" tabindex="10">.</span>
+	<span id="spanTabindex-1" tabindex="-1">.</span>
+	<span id="spanTabindex-50" tabindex="-50">.</span>
+</div>
+
+<div style="width: 0; height: 0;">
+	<input id="dimensionlessParent">
+	<input id="dimensionlessParent-dimensionless" style="height: 0; width: 0;">
+</div>
+
+<div id="zIndex100" style="z-index: 100; position: absolute">
+	<div id="zIndexAutoWithParent">.</div>
+</div>
+<div id="zIndex100ViaCSS" class="zindex">
+	<div id="zIndexAutoWithParentViaCSS">.</div>
+</div>
+<div id="zIndex100ViaCSSPositioned" class="zindex absolute">
+	<div id="zIndexAutoWithParentViaCSSPositioned">.</div>
+</div>
+<div id="zIndexAutoNoParent"></div>
+
+<div id="dimensions" style="float: left; height: 50px; width: 100px; margin: 1px 12px 11px 2px; border-style: solid; border-width: 3px 14px 13px 4px; padding: 5px 16px 15px 6px;"></div>
+
+</div>
+</body>
+</html>
diff --git a/tests/unit/core/core_deprecated.js b/tests/unit/core/core_deprecated.js
new file mode 100644
index 000000000..bb06f77b2
--- /dev/null
+++ b/tests/unit/core/core_deprecated.js
@@ -0,0 +1,24 @@
+(function( $ ) {
+
+module( "core - deprecated" );
+
+test( "zIndex", function() {
+	expect( 7 );
+	var el = $( "#zIndexAutoWithParent" ),
+		parent = el.parent();
+	equal( el.zIndex(), 100, "zIndex traverses up to find value" );
+	equal( parent.zIndex(200 ), parent, "zIndex setter is chainable" );
+	equal( el.zIndex(), 200, "zIndex setter changed zIndex" );
+
+	el = $( "#zIndexAutoWithParentViaCSS" );
+	equal( el.zIndex(), 0, "zIndex traverses up to find CSS value, not found because not positioned" );
+
+	el = $( "#zIndexAutoWithParentViaCSSPositioned" );
+	equal( el.zIndex(), 100, "zIndex traverses up to find CSS value" );
+	el.parent().zIndex( 200 );
+	equal( el.zIndex(), 200, "zIndex setter changed zIndex, overriding CSS" );
+
+	equal( $( "#zIndexAutoNoParent" ).zIndex(), 0, "zIndex never explicitly set in hierarchy" );
+});
+
+})( jQuery );
diff --git a/tests/unit/dialog/dialog_deprecated.html b/tests/unit/dialog/dialog_deprecated.html
deleted file mode 100644
index 1f8bac689..000000000
--- a/tests/unit/dialog/dialog_deprecated.html
+++ /dev/null
@@ -1,67 +0,0 @@
-<!doctype html>
-<html lang="en">
-<head>
-	<meta charset="utf-8">
-	<title>jQuery UI Dialog Test Suite</title>
-
-	<script src="../../jquery.js"></script>
-	<link rel="stylesheet" href="../../../external/qunit.css">
-	<script src="../../../external/qunit.js"></script>
-	<script src="../../jquery.simulate.js"></script>
-	<script src="../testsuite.js"></script>
-	<script>
-	TestHelpers.loadResources({
-		css: [ "ui.core", "ui.dialog" ],
-		js: [
-			"ui/jquery.ui.core.js",
-			"ui/jquery.ui.widget.js",
-			"ui/jquery.ui.position.js",
-			"ui/jquery.ui.mouse.js",
-			"ui/jquery.ui.draggable.js",
-			"ui/jquery.ui.resizable.js",
-			"ui/jquery.ui.button.js",
-			"ui/jquery.ui.effect.js",
-			"ui/jquery.ui.effect-blind.js",
-			"ui/jquery.ui.effect-clip.js",
-			"ui/jquery.ui.effect-explode.js",
-			"ui/jquery.ui.dialog.js"
-		]
-	});
-	</script>
-
-	<script src="dialog_common.js"></script>
-	<script src="dialog_core.js"></script>
-	<script src="dialog_events.js"></script>
-	<script src="dialog_methods.js"></script>
-	<script src="dialog_options.js"></script>
-	<script src="dialog_test_helpers.js"></script>
-	<script src="dialog_deprecated.js"></script>
-
-	<script src="../swarminject.js"></script>
-</head>
-<body>
-
-<h1 id="qunit-header">jQuery UI Dialog Test Suite</h1>
-<h2 id="qunit-banner"></h2>
-<div id="qunit-testrunner-toolbar"></div>
-<h2 id="qunit-userAgent"></h2>
-<ol id="qunit-tests"></ol>
-<div id="qunit-fixture">
-	<div id="dialog1"></div>
-	<div id="dialog2"></div>
-	<div id="form-dialog" title="Profile Information">
-		<fieldset>
-			<legend>Please share some personal information</legend>
-			<label for="favorite-animal">Your favorite animal</label><input id="favorite-animal">
-			<label for="favorite-color">Your favorite color</label><input id="favorite-color">
-		</fieldset>
-		<div role="group" aria-describedby="section2">
-			<p id="section2">Some more (optional) information</p>
-			<label for="favorite-food">Favorite food</label><input id="favorite-food">
-		</div>
-	</div>
-	<div class="wrap" id="wrap1"></div>
-	<div class="wrap" id="wrap2"></div>
-</div>
-</body>
-</html>
diff --git a/tests/unit/dialog/dialog_deprecated.js b/tests/unit/dialog/dialog_deprecated.js
deleted file mode 100644
index ff6284ea5..000000000
--- a/tests/unit/dialog/dialog_deprecated.js
+++ /dev/null
@@ -1,63 +0,0 @@
-module("dialog (deprecated): position option with string and array");
-
-test( "position, right bottom on window w/array", function() {
-	expect( 2 );
-
-	// dialogs alter the window width and height in FF and IE7
-	// so we collect that information before creating the dialog
-	// Support: FF, IE7
-	var winWidth = $( window ).width(),
-		winHeight = $( window ).height(),
-		element = $("<div></div>").dialog({ position: [ "right", "bottom" ] }),
-		dialog = element.dialog("widget"),
-		offset = dialog.offset();
-	closeEnough( offset.left, winWidth - dialog.outerWidth() + $( window ).scrollLeft(), 1, "offset left of right bottom on window w/array" );
-	closeEnough( offset.top, winHeight - dialog.outerHeight() + $( window ).scrollTop(), 1, "offset top of right bottom on window w/array" );
-	element.remove();
-});
-
-test( "position, right bottom on window", function() {
-	expect( 2 );
-
-	// dialogs alter the window width and height in FF and IE7
-	// so we collect that information before creating the dialog
-	// Support: FF, IE7
-	var winWidth = $( window ).width(),
-		winHeight = $( window ).height(),
-		element = $("<div></div>").dialog({ position: "right bottom" }),
-		dialog = element.dialog("widget"),
-		offset = dialog.offset();
-	closeEnough( offset.left, winWidth - dialog.outerWidth() + $( window ).scrollLeft(), 1, "offset left of right bottom on window" );
-	closeEnough( offset.top, winHeight - dialog.outerHeight() + $( window ).scrollTop(), 1, "offset top of right bottom on window" );
-	element.remove();
-});
-
-test("position, offset from top left w/array", function() {
-	expect( 2 );
-	var element = $("<div></div>").dialog({ position: [10, 10] }),
-		dialog = element.dialog("widget"),
-		offset = dialog.offset();
-	closeEnough(offset.left, 10 + $(window).scrollLeft(), 1);
-	closeEnough(offset.top, 10 + $(window).scrollTop(), 1);
-	element.remove();
-});
-
-test("position, top on window", function() {
-	expect( 2 );
-	var element = $("<div></div>").dialog({ position: "top" }),
-		dialog = element.dialog("widget"),
-		offset = dialog.offset();
-	closeEnough(offset.left, Math.round($(window).width() / 2 - dialog.outerWidth() / 2) + $(window).scrollLeft(), 1);
-	closeEnough(offset.top, $(window).scrollTop(), 1);
-	element.remove();
-});
-
-test("position, left on window", function() {
-	expect( 2 );
-	var element = $("<div></div>").dialog({ position: "left" }),
-		dialog = element.dialog("widget"),
-		offset = dialog.offset();
-	closeEnough(offset.left, 0, 1);
-	closeEnough(offset.top, Math.round($(window).height() / 2 - dialog.outerHeight() / 2) + $(window).scrollTop(), 1);
-	element.remove();
-});
diff --git a/tests/unit/dialog/dialog_events.js b/tests/unit/dialog/dialog_events.js
index 7bcd5673e..1384500f6 100644
--- a/tests/unit/dialog/dialog_events.js
+++ b/tests/unit/dialog/dialog_events.js
@@ -11,7 +11,7 @@ test("open", function() {
 	var element = $("<div></div>");
 	element.dialog({
 		open: function(ev, ui) {
-			ok(element.data("ui-dialog")._isOpen, "interal _isOpen flag is set");
+			ok(element.dialog( "instance" )._isOpen, "interal _isOpen flag is set");
 			ok(true, "autoOpen: true fires open callback");
 			equal(this, element[0], "context of callback");
 			equal(ev.type, "dialogopen", "event type in callback");
@@ -30,7 +30,7 @@ test("open", function() {
 			deepEqual(ui, {}, "ui hash in callback");
 		}
 	}).bind("dialogopen", function(ev, ui) {
-		ok(element.data("ui-dialog")._isOpen, "interal _isOpen flag is set");
+		ok(element.dialog( "instance" )._isOpen, "interal _isOpen flag is set");
 		ok(true, "dialog('open') fires open event");
 		equal(this, element[0], "context of event");
 		deepEqual(ui, {}, "ui hash in event");
diff --git a/tests/unit/dialog/dialog_methods.js b/tests/unit/dialog/dialog_methods.js
index 6de185513..2bb06ab46 100644
--- a/tests/unit/dialog/dialog_methods.js
+++ b/tests/unit/dialog/dialog_methods.js
@@ -101,11 +101,13 @@ test("#4980: Destroy should place element back in original DOM position", functi
 });
 
 test( "enable/disable disabled", function() {
-	expect( 2 );
+	expect( 4 );
 	var element = $( "<div></div>" ).dialog();
 	element.dialog( "disable" );
 	equal(element.dialog( "option", "disabled" ), false, "disable method doesn't do anything" );
 	ok( !element.dialog( "widget" ).hasClass( "ui-dialog-disabled" ), "disable method doesn't add ui-dialog-disabled class" );
+	ok( !element.dialog( "widget" ).hasClass( "ui-state-disabled" ), "disable method doesn't add ui-state-disabled class" );
+	ok( !element.dialog( "widget" ).attr( "aria-disabled" ), "disable method doesn't add aria-disabled" );
 });
 
 test("close", function() {
diff --git a/tests/unit/draggable/draggable.html b/tests/unit/draggable/draggable.html
index 6380f3e85..3d1d3326e 100644
--- a/tests/unit/draggable/draggable.html
+++ b/tests/unit/draggable/draggable.html
@@ -48,7 +48,7 @@
 <div id="qunit-fixture">
 	<div id="main"></div>
 	<div id="draggable1" style="background: green; width: 200px; height: 100px;">Relative</div>
-	<div id="draggable2" style="background: green; width: 200px; height: 100px; position: absolute; top: 10px; left: 10px;"><span>Absolute</span></div>
+	<div id="draggable2" style="background: green; width: 200px; height: 100px; position: absolute; top: 10px; left: 10px;"><span><em>Absolute</em></span></div>
 	<div id="droppable" style="background: green; width: 200px; height: 100px; position: absolute; top: 110px; left: 110px;"><span>Absolute</span></div>
 	<div style="width: 1px; height: 1000px;"></div>
 	<div style="position: absolute; width: 1px; height: 2000px;"></div>
diff --git a/tests/unit/draggable/draggable_events.js b/tests/unit/draggable/draggable_events.js
index 199561be3..bbaaaeb15 100644
--- a/tests/unit/draggable/draggable_events.js
+++ b/tests/unit/draggable/draggable_events.js
@@ -117,7 +117,7 @@ test( "stopping the stop callback", function() {
 		dy: 10
 	});
 
-	ok( element.data("ui-draggable").helper, "the clone should not be deleted if the stop callback is stopped" );
+	ok( element.draggable( "instance" ).helper, "the clone should not be deleted if the stop callback is stopped" );
 
 
 });
diff --git a/tests/unit/draggable/draggable_methods.js b/tests/unit/draggable/draggable_methods.js
index 901c261d6..63a19e26d 100644
--- a/tests/unit/draggable/draggable_methods.js
+++ b/tests/unit/draggable/draggable_methods.js
@@ -74,16 +74,16 @@ test( "enable", function() {
 });
 
 test( "disable", function() {
-	expect( 7 );
+	expect( 10 );
 
-	element = $("#draggable2").draggable({ disabled: false });
+	element = $( "#draggable2" ).draggable({ disabled: false });
 	TestHelpers.draggable.shouldMove( element, ".draggable({ disabled: false })" );
 
-	element.draggable("disable");
+	element.draggable( "disable" );
 	TestHelpers.draggable.shouldNotMove( element, ".draggable('disable')" );
 	equal( element.draggable( "option", "disabled" ), true, "disabled option getter" );
 
-	element.draggable("destroy");
+	element.draggable( "destroy" );
 	element.draggable({ disabled: false });
 	TestHelpers.draggable.shouldMove( element, ".draggable({ disabled: false })" );
 
@@ -91,8 +91,12 @@ test( "disable", function() {
 	equal( element.draggable( "option", "disabled" ), true, "disabled option setter" );
 	TestHelpers.draggable.shouldNotMove( element, ".draggable('option', 'disabled', true)" );
 
+	ok( !element.draggable( "widget" ).hasClass( "ui-state-disabled" ), "element does not get ui-state-disabled" );
+	ok( !element.draggable( "widget" ).attr( "aria-disabled" ), "element does not get aria-disabled" );
+	ok( element.draggable( "widget" ).hasClass( "ui-draggable-disabled" ), "element gets ui-draggable-disabled" );
+
 	var expected = element.draggable(),
-		actual = expected.draggable("disable");
+		actual = expected.draggable( "disable" );
 	equal( actual, expected, "disable is chainable" );
 });
 
diff --git a/tests/unit/draggable/draggable_options.js b/tests/unit/draggable/draggable_options.js
index ccbe7224a..f4fca0b2e 100644
--- a/tests/unit/draggable/draggable_options.js
+++ b/tests/unit/draggable/draggable_options.js
@@ -346,6 +346,37 @@ test( "{ containment: 'parent' }, absolute", function() {
 	deepEqual( offsetAfter, expected, "compare offset to parent" );
 });
 
+test( "containment, account for border", function() {
+	expect( 2 );
+
+	var el = $("#draggable1").appendTo("#main"),
+		parent = el.parent().css({
+			height: "100px",
+			width: "100px",
+			borderStyle: "solid",
+			borderWidth: "5px 10px 15px 20px"
+		}),
+		parentBottom = parent.offset().top + parent.outerHeight(),
+		parentRight = parent.offset().left + parent.outerWidth(),
+		parentBorderBottom = TestHelpers.draggable.border( parent, "bottom" ),
+		parentBorderRight = TestHelpers.draggable.border( parent, "right" );
+
+	el.css({
+		height: "5px",
+		width: "5px"
+	}).draggable({ containment: "parent" });
+
+	el.simulate( "drag", {
+		dx: 100,
+		dy: 100
+	});
+
+	equal( el.offset().top, parentBottom - parentBorderBottom - el.height(),
+		"The draggable should be on top of its parent's bottom border" );
+	equal( el.offset().left, parentRight - parentBorderRight - el.width(),
+		"The draggable should be to the right of its parent's right border" );
+});
+
 test( "containment, default, switching after initialization", function() {
 	expect( 2 );
 
@@ -572,39 +603,15 @@ test( "grid, switching after initialization", function() {
 });
 
 test( "{ handle: 'span' }", function() {
-	expect( 2 );
+	expect( 3 );
 
 	var element = $( "#draggable2" ).draggable({ handle: "span" });
 
 	TestHelpers.draggable.testDrag( element, "#draggable2 span", 50, 50, 50, 50, "drag span" );
+	TestHelpers.draggable.testDrag( element, "#draggable2 span em", 50, 50, 50, 50, "drag span child" );
 	TestHelpers.draggable.shouldNotMove( element, "drag element" );
 });
 
-/*
-test( "{ handle: Selectors }, matching parent selector", function() {
-
-	expect( 4 );
-
-	var element = $( "#draggable2" ).draggable({ handle: "span a" });
-
-	$( "#qunit-fixture" ).append( "<span id='wrapping'><a></a></span>" );
-
-	element.find( "span" ).append( "<a>" );
-
-	$( "#wrapping a" ).append( element );
-
-	TestHelpers.draggable.testDrag( element, "#draggable2 span a", 50, 50, 50, 50, "drag span child" );
-	TestHelpers.draggable.shouldNotMove( $( "#wrapping a" ) );
-
-	$( "#draggable2" ).draggable( "option", "handle", "span > a" );
-	$( "#draggable2" ).find( "a" ).append( "<a>" );
-
-	TestHelpers.draggable.testDrag( element, $( "#draggable2 span a" ).first(), 50, 50, 50, 50, "drag span child" );
-	TestHelpers.draggable.shouldNotMove( $( "#draggable2 span a" ).last() );
-
-});
-*/
-
 test( "handle, default, switching after initialization", function() {
 	expect( 6 );
 
@@ -1096,6 +1103,40 @@ test( "scroll, scrollSensitivity, and scrollSpeed", function() {
 	TestHelpers.draggable.restoreScroll( document );
 });
 
+test( "#6817: auto scroll goes double distance when dragging", function() {
+	expect( 2 );
+
+	var offsetBefore,
+		distance = 10,
+		viewportHeight = $( window ).height(),
+		element = $( "#draggable1" ).draggable({
+			scroll: true,
+			stop: function( e, ui ) {
+				equal( ui.offset.top, newY, "offset of item matches pointer position after scroll" );
+				equal( ui.offset.top - offsetBefore.top, distance, "offset of item only moves expected distance after scroll" );
+			}
+		}),
+		scrollSensitivity = element.draggable( "option", "scrollSensitivity" ),
+		oldY = viewportHeight - scrollSensitivity,
+		newY = oldY + distance;
+
+	element.offset({
+		top: oldY,
+		left: 1
+	});
+
+	offsetBefore = element.offset();
+
+	element.simulate( "drag", {
+		handle: "corner",
+		dx: 1,
+		y: newY,
+		moves: 1
+	});
+
+	TestHelpers.draggable.restoreScroll( document );
+});
+
 test( "snap, snapMode, and snapTolerance", function() {
 	expect( 9 );
 
@@ -1216,6 +1257,76 @@ test( "snap, snapMode, and snapTolerance", function() {
 	deepEqual( element.offset(), { top: newY, left: newX }, "doesn't snap on the inner snapTolerance area when snapMode is outer" );
 });
 
+test( "#8459: element can snap to an element that was removed during drag", function() {
+	expect( 1 );
+
+	var newX, newY,
+		snapTolerance = 15,
+		element = $( "#draggable1" ).draggable({
+			snap: true,
+			snapMode: "both",
+			snapTolerance: snapTolerance,
+			start: function() {
+				element2.remove();
+			}
+		}),
+		element2 = $( "#draggable2" ).draggable();
+
+	element.offset({
+		top: 1,
+		left: 1
+	});
+
+	newX = element2.offset().left - element.outerWidth() - snapTolerance + 1;
+	newY = element2.offset().top;
+
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		y: newY,
+		moves: 1
+	});
+
+	deepEqual( element.offset(), { top: newY, left: newX }, "doesn't snap to a removed element" );
+});
+
+test( "#8165: Snapping large rectangles to small rectangles doesn't snap properly", function() {
+	expect( 1 );
+
+	var snapTolerance = 20,
+		y = 1,
+		element = $( "#draggable1" )
+			.css({
+				width: "50px",
+				height: "200px"
+			}).offset({
+				top: y,
+				left: 1
+			}),
+		element2 = $( "#draggable2" )
+			.css({
+				width: "50px",
+				height: "50px"
+			}).offset({
+				top: y + snapTolerance + 1,
+				left: 200
+			}),
+		newX = element2.offset().left - element.outerWidth() - snapTolerance + 1;
+
+	$( "#draggable1, #draggable2" ).draggable({
+		snap: true,
+		snapTolerance: snapTolerance
+	});
+
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		moves: 1
+	});
+
+	notDeepEqual( element.offset(), { top: y, left: newX }, "snaps even if only a side (not a corner) is inside the snapTolerance" );
+});
+
 test( "stack", function() {
 	expect( 2 );
 
diff --git a/tests/unit/draggable/draggable_test_helpers.js b/tests/unit/draggable/draggable_test_helpers.js
index e1c79c6cc..44e37c559 100644
--- a/tests/unit/draggable/draggable_test_helpers.js
+++ b/tests/unit/draggable/draggable_test_helpers.js
@@ -60,7 +60,7 @@ TestHelpers.draggable = {
 
 	},
 	trackMouseCss : function( el ) {
-		el.on( "drag", function() {
+		el.bind( "drag", function() {
 			el.data( "last_dragged_cursor", $("body").css("cursor") );
 		});
 	},
@@ -69,7 +69,7 @@ TestHelpers.draggable = {
 		// appendTo ignored without being clone
 		el.draggable( "option", "helper", "clone" );
 
-		el.on( "drag", function(e,ui) {
+		el.bind( "drag", function(e,ui) {
 			// Get what parent is at time of drag
 			el.data( "last_dragged_parent", ui.helper.parent()[0] );
 		});
diff --git a/tests/unit/droppable/droppable_methods.js b/tests/unit/droppable/droppable_methods.js
index 2b452a63d..f7682d262 100644
--- a/tests/unit/droppable/droppable_methods.js
+++ b/tests/unit/droppable/droppable_methods.js
@@ -63,26 +63,29 @@ test("enable", function() {
 	equal(actual, expected, "enable is chainable");
 });
 
-test("disable", function() {
-	expect(7);
+test( "disable", function() {
+	expect( 10 );
 
-	var el, actual, expected;
+	var actual, expected,
+		element = $( "#droppable1" ).droppable({ disabled: false });
 
-	el = $("#droppable1").droppable({ disabled: false });
 	TestHelpers.droppable.shouldDrop();
-	el.droppable("disable");
+	element.droppable( "disable" );
 	TestHelpers.droppable.shouldNotDrop();
-	equal(el.droppable("option", "disabled"), true, "disabled option getter");
-	el.droppable("destroy");
-	el.droppable({ disabled: false });
+	equal( element.droppable( "option", "disabled" ), true, "disabled option getter" );
+	element.droppable( "destroy" );
+	element.droppable({ disabled: false });
 	TestHelpers.droppable.shouldDrop();
-	el.droppable("option", "disabled", true);
-	equal(el.droppable("option", "disabled"), true, "disabled option setter");
+	element.droppable( "option", "disabled", true );
+	ok( !element.droppable( "widget" ).hasClass( "ui-state-disabled" ), "element does not get ui-state-disabled" );
+	ok( !element.droppable( "widget" ).attr( "aria-disabled" ), "element does not get aria-disabled" );
+	ok( element.droppable( "widget" ).hasClass( "ui-droppable-disabled" ), "element gets ui-droppable-disabled" );
+	equal( element.droppable( "option", "disabled" ), true, "disabled option setter" );
 	TestHelpers.droppable.shouldNotDrop();
 
-	expected = $("<div></div>").droppable(),
-	actual = expected.droppable("disable");
-	equal(actual, expected, "disable is chainable");
+	expected = $( "<div></div>" ).droppable();
+	actual = expected.droppable( "disable" );
+	equal( actual, expected, "disable is chainable" );
 });
 
 })(jQuery);
diff --git a/tests/unit/progressbar/progressbar_methods.js b/tests/unit/progressbar/progressbar_methods.js
index cf7faf6af..004eacf90 100644
--- a/tests/unit/progressbar/progressbar_methods.js
+++ b/tests/unit/progressbar/progressbar_methods.js
@@ -7,6 +7,16 @@ test( "destroy", function() {
 	});
 });
 
+test( "disable", function() {
+	expect( 3 );
+
+	var element = $( "#progressbar" ).progressbar().progressbar( "disable" );
+
+	ok( element.progressbar( "widget" ).hasClass( "ui-state-disabled" ), "element gets ui-state-disabled" );
+	ok( element.progressbar( "widget" ).attr( "aria-disabled" ), "element gets aria-disabled" );
+	ok( element.progressbar( "widget" ).hasClass( "ui-progressbar-disabled" ), "element gets ui-progressbar-disabled" );
+});
+
 test( "value", function() {
 	expect( 3 );
 
diff --git a/tests/unit/resizable/resizable_methods.js b/tests/unit/resizable/resizable_methods.js
index b12f3035a..abb8951f9 100644
--- a/tests/unit/resizable/resizable_methods.js
+++ b/tests/unit/resizable/resizable_methods.js
@@ -3,10 +3,19 @@
  */
 (function($) {
 
-module("resizable: methods");
+module( "resizable: methods" );
 
-// this is here to make JSHint pass "unused", and we don't want to
-// remove the parameter for when we finally implement
-$.noop();
+test( "disable", function() {
+	expect( 5 );
+
+	var element = $( "#resizable1" ).resizable({ disabled: false }),
+		chainable = element.resizable( "disable" );
+
+	ok( !element.resizable( "widget" ).hasClass( "ui-state-disabled" ), "element does not get ui-state-disabled" );
+	ok( !element.resizable( "widget" ).attr( "aria-disabled" ), "element does not get aria-disabled" );
+	ok( element.resizable( "widget" ).hasClass( "ui-resizable-disabled" ), "element gets ui-resizable-disabled" );
+	equal( element.resizable( "option", "disabled" ), true, "disabled option setter" );
+	equal( chainable, element, "disable is chainable" );
+});
 
 })(jQuery);
diff --git a/tests/unit/selectable/selectable_methods.js b/tests/unit/selectable/selectable_methods.js
index 72f9bb28d..179d4ecd6 100644
--- a/tests/unit/selectable/selectable_methods.js
+++ b/tests/unit/selectable/selectable_methods.js
@@ -71,34 +71,40 @@ test("enable", function() {
 	equal(actual, expected, "enable is chainable");
 });
 
-test("disable", function() {
-	expect(3);
-	var expected, actual,
+test( "disable", function() {
+	expect( 6 );
+	var chainable,
 		fired = false,
-		el = $("#selectable1");
+		element = $( "#selectable1" );
 
-	el.selectable({
+	element.selectable({
 		disabled: false,
-		start: function() { fired = true; }
+		start: function() {
+			fired = true;
+		}
 	});
-	el.simulate( "drag", {
+	element.simulate( "drag", {
 		dx: 20,
 		dy: 20
 	});
-	equal(fired, true, "start fired");
-	el.selectable("disable");
+	equal( fired, true, "start fired" );
+
+	chainable = element.selectable( "disable" );
 	fired = false;
 
-	el.simulate( "drag", {
+	element.simulate( "drag", {
 		dx: 20,
 		dy: 20
 	});
-	equal(fired, false, "start fired");
-	el.selectable("destroy");
+	equal( fired, false, "start fired" );
 
-	expected = $("<div></div>").selectable();
-	actual = expected.selectable("disable");
-	equal(actual, expected, "disable is chainable");
+	ok( !element.selectable( "widget" ).hasClass( "ui-state-disabled" ), "element does not get ui-state-disabled" );
+	ok( !element.selectable( "widget" ).attr( "aria-disabled" ), "element does not get aria-disabled" );
+	ok( element.selectable( "widget" ).hasClass( "ui-selectable-disabled" ), "element gets ui-selectable-disabled" );
+
+	element.selectable( "destroy" );
+
+	equal( chainable, element, "disable is chainable" );
 });
 
 })(jQuery);
diff --git a/tests/unit/slider/slider_methods.js b/tests/unit/slider/slider_methods.js
index 75df230a6..bd9023133 100644
--- a/tests/unit/slider/slider_methods.js
+++ b/tests/unit/slider/slider_methods.js
@@ -49,7 +49,7 @@ test( "enable", function() {
 });
 
 test( "disable", function() {
-	expect( 5 );
+	expect( 6 );
 	var element,
 		expected = $( "<div></div>" ).slider(),
 		actual = expected.slider( "disable" );
@@ -61,6 +61,7 @@ test( "disable", function() {
 	element.slider( "disable" );
 	ok( element.hasClass( "ui-state-disabled" ), "slider has ui-state-disabled class after disable method call" );
 	ok( element.hasClass( "ui-slider-disabled" ), "slider has ui-slider-disabled class after disable method call" );
+	ok( !element.attr( "aria-disabled" ), "slider does not have aria-disabled attr after disable method call" );
 });
 
 test( "value", function() {
diff --git a/tests/unit/slider/slider_options.js b/tests/unit/slider/slider_options.js
index f46dbde99..3a6f55390 100644
--- a/tests/unit/slider/slider_options.js
+++ b/tests/unit/slider/slider_options.js
@@ -185,8 +185,8 @@ test( "values", function() {
 	});
 
 	notStrictEqual(
-		ranges.eq( 0 ).data( "ui-slider" ).options.values,
-		ranges.eq( 1 ).data( "ui-slider" ).options.values,
+		ranges.eq( 0 ).slider( "instance" ).options.values,
+		ranges.eq( 1 ).slider( "instance" ).options.values,
 		"multiple range sliders should not have a reference to the same options.values array"
 	);
 
diff --git a/tests/unit/sortable/sortable_events.js b/tests/unit/sortable/sortable_events.js
index 1b8165acb..46a493b3e 100644
--- a/tests/unit/sortable/sortable_events.js
+++ b/tests/unit/sortable/sortable_events.js
@@ -231,11 +231,34 @@ test("receive", function() {
 test("remove", function() {
 	ok(false, "missing test - untested code is broken code.");
 });
+*/
 
-test("over", function() {
-	ok(false, "missing test - untested code is broken code.");
+test( "over", function() {
+	expect( 8 );
+
+	var hash,
+		overCount = 0;
+
+	$( "#sortable" ).sortable({
+		over: function( e, ui ) {
+			hash = ui;
+			overCount++;
+		}
+	}).find( "li:eq(0)" ).simulate( "drag", {
+		dy: 20
+	});
+
+	ok( hash, "stop event triggered" );
+	ok( hash.helper, "UI should not include: helper" );
+	ok( hash.placeholder, "UI hash includes: placeholder" );
+	ok( hash.position && ( "top" in hash.position && "left" in hash.position ), "UI hash includes: position" );
+	ok( hash.offset && ( hash.offset.top && hash.offset.left ), "UI hash includes: offset" );
+	ok( hash.item, "UI hash includes: item" );
+	ok( hash.sender, "UI hash does not include: sender" );
+	equal( overCount, 1, "over fires only once" );
 });
 
+/*
 test("out", function() {
 	ok(false, "missing test - untested code is broken code.");
 });
diff --git a/tests/unit/sortable/sortable_methods.js b/tests/unit/sortable/sortable_methods.js
index 07a7bc77d..f3fe240e7 100644
--- a/tests/unit/sortable/sortable_methods.js
+++ b/tests/unit/sortable/sortable_methods.js
@@ -64,29 +64,30 @@ test("enable", function() {
 	equal(actual, expected, "enable is chainable");
 });
 
-test("disable", function() {
-	expect(7);
+test( "disable", function() {
+	expect( 9 );
 
-	var el, actual, expected;
+	var chainable,
+		element = $( "#sortable" ).sortable({ disabled: false });
 
-	el = $("#sortable").sortable({ disabled: false });
-	TestHelpers.sortable.sort($("li", el)[0], 0, 44, 2, ".sortable({ disabled: false })");
+	TestHelpers.sortable.sort( $( "li", element )[ 0 ], 0, 44, 2, ".sortable({ disabled: false })" );
 
-	el.sortable("disable");
-	TestHelpers.sortable.sort($("li", el)[0], 0, 44, 0, "disabled.sortable getter");
+	chainable = element.sortable( "disable" );
+	TestHelpers.sortable.sort( $( "li", element )[ 0 ], 0, 44, 0, "disabled.sortable getter" );
 
-	el.sortable("destroy");
+	element.sortable( "destroy" );
 
-	el.sortable({ disabled: false });
-	TestHelpers.sortable.sort($("li", el)[0], 0, 44, 2, ".sortable({ disabled: false })");
-	el.sortable("option", "disabled", true);
-	equal(el.sortable("option", "disabled"), true, "disabled option setter");
-	ok(el.sortable("widget").is(":not(.ui-state-disabled)"), "sortable element does not get ui-state-disabled since it's an interaction");
-	TestHelpers.sortable.sort($("li", el)[0], 0, 44, 0, ".sortable('option', 'disabled', true)");
+	element.sortable({ disabled: false });
+	TestHelpers.sortable.sort( $( "li", element )[ 0 ], 0, 44, 2, ".sortable({ disabled: false })" );
+	element.sortable( "option", "disabled", true);
+	equal( element.sortable( "option", "disabled" ), true, "disabled option setter" );
 
-	expected = $("<div></div>").sortable(),
-	actual = expected.sortable("disable");
-	equal(actual, expected, "disable is chainable");
+	ok( !element.sortable( "widget" ).hasClass( "ui-state-disabled" ), "element does not get ui-state-disabled" );
+	ok( !element.sortable( "widget" ).attr( "aria-disabled" ), "element does not get aria-disabled" );
+	ok( element.sortable( "widget" ).hasClass( "ui-sortable-disabled" ), "element gets ui-sortable-disabled" );
+
+	TestHelpers.sortable.sort($( "li", element )[ 0 ], 0, 44, 0, ".sortable('option', 'disabled', true)" );
+	equal( chainable, element, "disable is chainable" );
 });
 
 })(jQuery);
diff --git a/tests/unit/sortable/sortable_options.js b/tests/unit/sortable/sortable_options.js
index caba0a777..8dcf0e82f 100644
--- a/tests/unit/sortable/sortable_options.js
+++ b/tests/unit/sortable/sortable_options.js
@@ -13,23 +13,100 @@ test("{ appendTo: 'parent' }, default", function() {
 test("{ appendTo: Selector }", function() {
 	ok(false, "missing test - untested code is broken code.");
 });
+*/
 
-test("{ axis: false }, default", function() {
-	ok(false, "missing test - untested code is broken code.");
+test( "{ axis: false }, default", function() {
+	expect( 2 );
+
+	var offsetAfter,
+		element = $( "#sortable" ).sortable({
+			axis: false,
+			change: function() {
+				offsetAfter = item.offset();
+				notEqual( offsetAfter.left, offsetBefore.left, "x axis not constrained when axis: false" );
+				notEqual( offsetAfter.top, offsetBefore.top, "y axis not constrained when axis: false" );
+			}
+		}),
+		item = element.find( "li" ).eq( 0 ),
+		offsetBefore = item.offset();
+
+	item.simulate( "drag", {
+		dx: 50,
+		dy: 25,
+		moves: 1
+	});
 });
 
-test("{ axis: 'x' }", function() {
-	ok(false, "missing test - untested code is broken code.");
+test( "{ axis: 'x' }", function() {
+	expect( 2 );
+
+	var offsetAfter,
+		element = $( "#sortable" ).sortable({
+			axis: "x",
+			change: function() {
+				offsetAfter = item.offset();
+				notEqual( offsetAfter.left, offsetBefore.left, "x axis not constrained when axis: x" );
+				equal( offsetAfter.top, offsetBefore.top, "y axis constrained when axis: x" );
+			}
+		}),
+		item = element.find( "li" ).eq( 0 ),
+		offsetBefore = item.offset();
+
+	item.simulate( "drag", {
+		dx: 50,
+		dy: 25,
+		moves: 1
+	});
 });
 
-test("{ axis: 'y' }", function() {
-	ok(false, "missing test - untested code is broken code.");
+test( "{ axis: 'y' }", function() {
+	expect( 2 );
+
+	var offsetAfter,
+		element = $( "#sortable" ).sortable({
+			axis: "y",
+			change: function() {
+				offsetAfter = item.offset();
+				equal( offsetAfter.left, offsetBefore.left, "x axis constrained when axis: y" );
+				notEqual( offsetAfter.top, offsetBefore.top, "y axis not constrained when axis: y" );
+			}
+		}),
+		item = element.find( "li" ).eq( 0 ),
+		offsetBefore = item.offset();
+
+	item.simulate( "drag", {
+		dx: 50,
+		dy: 25,
+		moves: 1
+	});
 });
 
-test("{ axis: ? }, unexpected", function() {
-	ok(false, "missing test - untested code is broken code.");
+asyncTest( "#7415: Incorrect revert animation with axis: 'y'", function() {
+  expect( 2 );
+	var expectedLeft,
+		element = $( "#sortable" ).sortable({
+			axis: "y",
+			revert: true,
+			stop: start,
+			sort: function() {
+				expectedLeft = item.css( "left" );
+			}
+		}),
+		item = element.find( "li" ).eq( 0 );
+
+	item.simulate( "drag", {
+		dy: 300,
+		dx: 50
+	});
+
+	setTimeout(function() {
+		var top = parseFloat( item.css( "top" ) );
+		equal( item.css( "left" ), expectedLeft, "left not animated" );
+		ok( top > 0 && top < 300, "top is animated" );
+	}, 100 );
 });
 
+/*
 test("{ cancel: 'input,textarea,button,select,option' }, default", function() {
 	ok(false, "missing test - untested code is broken code.");
 });
@@ -37,7 +114,44 @@ test("{ cancel: 'input,textarea,button,select,option' }, default", function() {
 test("{ cancel: Selector }", function() {
 	ok(false, "missing test - untested code is broken code.");
 });
+*/
+
+test( "#8792: issues with floated items in connected lists", function() {
+	expect( 2 );
+
+	var element,
+		changeCount = 0;
 
+	$( "#qunit-fixture" )
+		.html( "<ul class='c'><li>a</li><li>a</li></ul><ul class='c'><li>a</li><li>a</li></ul>" )
+		.find( "ul" ).css({ "float": "left", width: "100px" }).end()
+		.find( "li" ).css({ "float": "left", width: "50px", height: "50px" });
+
+	$( "#qunit-fixture .c" ).sortable({
+		connectWith: "#qunit-fixture .c",
+		change: function() {
+			changeCount++;
+		}
+	});
+
+	element = $( "#qunit-fixture li:eq(0)" );
+
+	element.simulate( "drag", {
+		dx: 51,
+		moves: 15
+	});
+
+	equal( changeCount, 1, "change fired only once (no jitters) when dragging a floated sortable in it's own container" );
+
+	element.simulate( "drag", {
+		dx: 50,
+		moves: 15
+	});
+
+	equal( changeCount, 3, "change fired once for each expected change when dragging a floated sortable to a connected container" );
+});
+
+/*
 test("{ connectWith: false }, default", function() {
 	ok(false, "missing test - untested code is broken code.");
 });
diff --git a/tests/unit/spinner/spinner_methods.js b/tests/unit/spinner/spinner_methods.js
index af872f257..4f44a73ae 100644
--- a/tests/unit/spinner/spinner_methods.js
+++ b/tests/unit/spinner/spinner_methods.js
@@ -12,7 +12,7 @@ test( "destroy", function() {
 });
 
 test( "disable", function() {
-	expect( 14 );
+	expect( 16 );
 	var element = $( "#spin" ).val( 2 ).spinner(),
 		wrapper = $( "#spin" ).spinner( "widget" );
 
@@ -21,6 +21,8 @@ test( "disable", function() {
 
 	element.spinner( "disable" );
 	ok( wrapper.hasClass( "ui-spinner-disabled" ), "after: wrapper has ui-spinner-disabled class" );
+	ok( wrapper.hasClass( "ui-state-disabled" ), "after: wrapper has ui-state-disabled class" );
+	ok( !wrapper.attr( "aria-disabled" ), "after: wrapper does not have aria-disabled attr" );
 	ok( element.is( ":disabled"), "after: input has disabled attribute" );
 
 	simulateKeyDownUp( element, $.ui.keyCode.UP );
diff --git a/tests/unit/tabs/tabs_core.js b/tests/unit/tabs/tabs_core.js
index 5f70206dc..cc4f0460c 100644
--- a/tests/unit/tabs/tabs_core.js
+++ b/tests/unit/tabs/tabs_core.js
@@ -33,7 +33,7 @@ test( "nested list", function() {
 	expect( 1 );
 
 	var element = $( "#tabs6" ).tabs();
-	equal( element.data( "ui-tabs" ).anchors.length, 2, "should contain 2 tab" );
+	equal( element.tabs( "instance" ).anchors.length, 2, "should contain 2 tab" );
 });
 
 test( "disconnected from DOM", function() {
@@ -155,7 +155,7 @@ asyncTest( "keyboard support - LEFT, RIGHT, UP, DOWN, HOME, END, SPACE, ENTER",
 		panels = element.find( ".ui-tabs-panel" ),
 		keyCode = $.ui.keyCode;
 
-	element.data( "ui-tabs" ).delay = 50;
+	element.tabs( "instance" ).delay = 50;
 
 	equal( tabs.filter( ".ui-state-focus" ).length, 0, "no tabs focused on init" );
 	tabs.eq( 0 ).simulate( "focus" );
@@ -306,7 +306,7 @@ asyncTest( "keyboard support - CTRL navigation", function() {
 		panels = element.find( ".ui-tabs-panel" ),
 		keyCode = $.ui.keyCode;
 
-	element.data( "ui-tabs" ).delay = 50;
+	element.tabs( "instance" ).delay = 50;
 
 	equal( tabs.filter( ".ui-state-focus" ).length, 0, "no tabs focused on init" );
 	tabs.eq( 0 ).simulate( "focus" );
diff --git a/tests/unit/tabs/tabs_options.js b/tests/unit/tabs/tabs_options.js
index c78c42b58..51212b8f0 100644
--- a/tests/unit/tabs/tabs_options.js
+++ b/tests/unit/tabs/tabs_options.js
@@ -144,24 +144,40 @@ test( "{ collapsible: true }", function() {
 });
 
 test( "disabled", function() {
-	expect( 10 );
+	expect( 22 );
 
 	// fully enabled by default
 	var element = $( "#tabs1" ).tabs();
 	disabled( element, false );
 
+	ok( !element.tabs( "widget" ).hasClass( "ui-state-disabled" ), "after: wrapper doesn't have ui-state-disabled class" );
+	ok( !element.tabs( "widget" ).hasClass( "ui-tabs-disabled" ), "after: wrapper doesn't have ui-tabs-disabled class" );
+	ok( !element.tabs( "widget" ).attr( "aria-disabled" ), "after: wrapper doesn't have aria-disabled attr" );
+
 	// disable single tab
 	element.tabs( "option", "disabled", [ 1 ] );
 	disabled( element, [ 1 ] );
 
+	ok( !element.tabs( "widget" ).hasClass( "ui-state-disabled" ), "after: wrapper doesn't have ui-state-disabled class" );
+	ok( !element.tabs( "widget" ).hasClass( "ui-tabs-disabled" ), "after: wrapper doesn't have ui-tabs-disabled class" );
+	ok( !element.tabs( "widget" ).attr( "aria-disabled" ), "after: wrapper doesn't have aria-disabled attr" );
+
 	// disabled active tab
 	element.tabs( "option", "disabled", [ 0, 1 ] );
 	disabled( element, [ 0, 1 ] );
 
+	ok( !element.tabs( "widget" ).hasClass( "ui-state-disabled" ), "after: wrapper doesn't have ui-state-disabled class" );
+	ok( !element.tabs( "widget" ).hasClass( "ui-tabs-disabled" ), "after: wrapper doesn't have ui-tabs-disabled class" );
+	ok( !element.tabs( "widget" ).attr( "aria-disabled" ), "after: wrapper doesn't have aria-disabled attr" );
+
 	// disable all tabs
 	element.tabs( "option", "disabled", [ 0, 1, 2 ] );
 	disabled( element, true );
 
+	ok( !element.tabs( "widget" ).hasClass( "ui-state-disabled" ), "after: wrapper doesn't have ui-state-disabled class" );
+	ok( !element.tabs( "widget" ).hasClass( "ui-tabs-disabled" ), "after: wrapper doesn't have ui-tabs-disabled class" );
+	ok( !element.tabs( "widget" ).attr( "aria-disabled" ), "after: wrapper doesn't have aria-disabled attr" );
+
 	// enable all tabs
 	element.tabs( "option", "disabled", [] );
 	disabled( element, false );
@@ -298,7 +314,7 @@ test( "hide and show: false", function() {
 			show: false,
 			hide: false
 		}),
-		widget = element.data( "ui-tabs" ),
+		widget = element.tabs( "instance" ),
 		panels = element.find( ".ui-tabs-panel" );
 	widget._show = function() {
 		ok( false, "_show() called" );
@@ -319,7 +335,7 @@ asyncTest( "hide and show - animation", function() {
 			show: "drop",
 			hide: 2000
 		}),
-		widget = element.data( "ui-tabs" ),
+		widget = element.tabs( "instance" ),
 		panels = element.find( ".ui-tabs-panel" );
 	widget._show = function( element, options, callback ) {
 		strictEqual( element[ 0 ], panels[ 1 ], "correct element in _show()" );
diff --git a/tests/unit/tooltip/tooltip_methods.js b/tests/unit/tooltip/tooltip_methods.js
index c846d216c..a557ff943 100644
--- a/tests/unit/tooltip/tooltip_methods.js
+++ b/tests/unit/tooltip/tooltip_methods.js
@@ -54,7 +54,7 @@ test( "open/close with tracking", function() {
 });
 
 test( "enable/disable", function() {
-	expect( 7 );
+	expect( 10 );
 	$.fx.off = true;
 	var tooltip,
 		element = $( "#tooltipped1" ).tooltip();
@@ -66,6 +66,11 @@ test( "enable/disable", function() {
 
 	element.tooltip( "disable" );
 	equal( $( ".ui-tooltip" ).length, 0, "no tooltip when disabled" );
+
+	ok( !element.tooltip( "widget" ).hasClass( "ui-state-disabled" ), "element doesn't get ui-state-disabled" );
+	ok( !element.tooltip( "widget" ).attr( "aria-disabled" ), "element doesn't get aria-disabled" );
+	ok( !element.tooltip( "widget" ).hasClass( "ui-tooltip-disabled" ), "element doesn't get ui-tooltip-disabled" );
+
 	// support: jQuery <1.6.2
 	// support: IE <8
 	// We should use strictEqual( ..., undefined ) when dropping jQuery 1.6.1 support (or IE6/7)
diff --git a/tests/unit/widget/widget_core.js b/tests/unit/widget/widget_core.js
index 8102b1f4f..0d97742ff 100644
--- a/tests/unit/widget/widget_core.js
+++ b/tests/unit/widget/widget_core.js
@@ -43,28 +43,28 @@ test( "element normalization", function() {
 		// workaround for core ticket #8381
 		this.element.appendTo( "#qunit-fixture" );
 		ok( this.element.is( "div" ), "generated div" );
-		deepEqual( this.element.data( "ui-testWidget" ), this, "instance stored in .data()" );
+		deepEqual( this.element.testWidget( "instance" ), this, "instance stored in .data()" );
 	};
 	$.ui.testWidget();
 
 	$.ui.testWidget.prototype.defaultElement = "<span data-test='pass'></span>";
 	$.ui.testWidget.prototype._create = function() {
 		ok( this.element.is( "span[data-test=pass]" ), "generated span with properties" );
-		deepEqual( this.element.data( "ui-testWidget" ), this, "instace stored in .data()" );
+		deepEqual( this.element.testWidget( "instance" ), this, "instace stored in .data()" );
 	};
 	$.ui.testWidget();
 
 	elem = $( "<input>" );
 	$.ui.testWidget.prototype._create = function() {
 		deepEqual( this.element[ 0 ], elem[ 0 ], "from element" );
-		deepEqual( elem.data( "ui-testWidget" ), this, "instace stored in .data()" );
+		deepEqual( elem.testWidget( "instance" ), this, "instace stored in .data()" );
 	};
 	$.ui.testWidget( {}, elem[ 0 ] );
 
 	elem = $( "<div>" );
 	$.ui.testWidget.prototype._create = function() {
 		deepEqual( this.element[ 0 ], elem[ 0 ], "from jQuery object" );
-		deepEqual( elem.data( "ui-testWidget" ), this, "instace stored in .data()" );
+		deepEqual( elem.testWidget( "instance" ), this, "instace stored in .data()" );
 	};
 	$.ui.testWidget( {}, elem );
 
@@ -72,7 +72,7 @@ test( "element normalization", function() {
 		.appendTo( "#qunit-fixture" );
 	$.ui.testWidget.prototype._create = function() {
 		deepEqual( this.element[ 0 ], elem[ 0 ], "from selector" );
-		deepEqual( elem.data( "ui-testWidget" ), this, "instace stored in .data()" );
+		deepEqual( elem.testWidget( "instance" ), this, "instace stored in .data()" );
 	};
 	$.ui.testWidget( {}, "#element-normalization-selector" );
 
@@ -133,7 +133,7 @@ test( "jQuery usage", function() {
 		.testWidget();
 	shouldCreate = false;
 
-	instance = elem.data( "ui-testWidget" );
+	instance = elem.testWidget( "instance" );
 	equal( typeof instance, "object", "instance stored in .data(pluginName)" );
 	equal( instance.element[0], elem[0], "element stored on widget" );
 	ret = elem.testWidget( "methodWithParams", "value1", "value2" );
@@ -149,7 +149,7 @@ test( "jQuery usage", function() {
 	equal( ret.end(), elem, "stack preserved" );
 
 	elem.testWidget( "destroy" );
-	equal( elem.data( "ui-testWidget" ), null );
+	equal( elem.testWidget( "instance" ), null );
 });
 
 test( "direct usage", function() {
@@ -185,7 +185,7 @@ test( "direct usage", function() {
 	instance = new $.ui.testWidget( {}, elem );
 	shouldCreate = false;
 
-	equal( $( elem ).data( "ui-testWidget" ), instance,
+	equal( $( elem ).testWidget( "instance" ), instance,
 		"instance stored in .data(pluginName)" );
 	equal( instance.element[ 0 ], elem, "element stored on widget" );
 
@@ -405,7 +405,7 @@ test( "._super()", function() {
 		}
 	});
 
-	instance = $( "<div>" ).testWidget3().data( "ui-testWidget3" );
+	instance = $( "<div>" ).testWidget3().testWidget3( "instance" );
 	instance.method( 5 );
 	delete $.ui.testWidget3;
 	delete $.ui.testWidget2;
@@ -442,7 +442,7 @@ test( "._superApply()", function() {
 		}
 	});
 
-	instance = $( "<div>" ).testWidget3().data( "ui-testWidget3" );
+	instance = $( "<div>" ).testWidget3().testWidget3( "instance" );
 	instance.method( 5, 10 );
 	delete $.ui.testWidget3;
 	delete $.ui.testWidget2;
@@ -560,7 +560,7 @@ test( ".option() - deep option setter", function() {
 	$.widget( "ui.testWidget", {} );
 	var div = $( "<div>" ).testWidget();
 	function deepOption( from, to, msg ) {
-		div.data( "ui-testWidget" ).options.foo = from;
+		div.testWidget( "instance" ).options.foo = from;
 		$.ui.testWidget.prototype._setOption = function( key, value ) {
 			deepEqual( key, "foo", msg + ": key" );
 			deepEqual( value, to, msg + ": value" );
@@ -625,6 +625,20 @@ test( ".widget() - overriden", function() {
 	deepEqual( wrapper[0], $( "<div>" ).testWidget().testWidget( "widget" )[0] );
 });
 
+test( ".instance()", function() {
+	expect( 2 );
+	var div;
+
+	$.widget( "ui.testWidget", {
+		_create: function() {}
+	});
+
+	div = $( "<div>" );
+	equal( div.testWidget( "instance" ), undefined );
+	div.testWidget();
+	equal( div.testWidget( "instance" ), div.testWidget( "instance" ) );
+});
+
 test( "._on() to element (default)", function() {
 	expect( 12 );
 	var that, widget;
@@ -840,7 +854,7 @@ test( "_on() to common element", function() {
 			ok( true, "handler triggered" );
 		}
 	});
-	var widget = $( "#widget" ).testWidget().data( "ui-testWidget" );
+	var widget = $( "#widget" ).testWidget().testWidget( "instance" );
 	$( "#widget-wrapper" ).testWidget();
 	widget.destroy();
 	$( document ).trigger( "customevent" );
@@ -852,7 +866,7 @@ test( "_off() - single event", function() {
 	$.widget( "ui.testWidget", {} );
 	var shouldTriggerWidget, shouldTriggerOther,
 		element = $( "#widget" ),
-		widget = element.testWidget().data( "ui-testWidget" );
+		widget = element.testWidget().testWidget( "instance" );
 	widget._on( element, { foo: function() {
 		ok( shouldTriggerWidget, "foo called from _on" );
 	}});
@@ -873,7 +887,7 @@ test( "_off() - multiple events", function() {
 	$.widget( "ui.testWidget", {} );
 	var shouldTriggerWidget, shouldTriggerOther,
 		element = $( "#widget" ),
-		widget = element.testWidget().data( "ui-testWidget" );
+		widget = element.testWidget().testWidget( "instance" );
 	widget._on( element, {
 		foo: function() {
 			ok( shouldTriggerWidget, "foo called from _on" );
@@ -901,7 +915,7 @@ test( "_off() - all events", function() {
 	$.widget( "ui.testWidget", {} );
 	var shouldTriggerWidget, shouldTriggerOther,
 		element = $( "#widget" ),
-		widget = element.testWidget().data( "ui-testWidget" );
+		widget = element.testWidget().testWidget( "instance" );
 	widget._on( element, {
 		foo: function() {
 			ok( shouldTriggerWidget, "foo called from _on" );
@@ -1007,7 +1021,7 @@ test( "._trigger() - no event, no ui", function() {
 			deepEqual( ui, {}, "empty ui hash passed" );
 			handlers.push( this );
 		});
-	deepEqual( $( "#widget" ).data( "ui-testWidget" )._trigger( "foo" ), true,
+	deepEqual( $( "#widget" ).testWidget( "instance" )._trigger( "foo" ), true,
 		"_trigger returns true when event is not cancelled" );
 	deepEqual( handlers, [
 		$( "#widget" )[ 0 ],
@@ -1035,7 +1049,7 @@ test( "._trigger() - cancelled event", function() {
 		ok( true, "event was triggered" );
 		return false;
 	});
-	deepEqual( $( "#widget" ).data( "ui-testWidget" )._trigger( "foo" ), false,
+	deepEqual( $( "#widget" ).testWidget( "instance" )._trigger( "foo" ), false,
 		"_trigger returns false when event is cancelled" );
 });
 
@@ -1050,7 +1064,7 @@ test( "._trigger() - cancelled callback", function() {
 			return false;
 		}
 	});
-	deepEqual( $( "#widget" ).data( "ui-testWidget" )._trigger( "foo" ), false,
+	deepEqual( $( "#widget" ).testWidget( "instance" )._trigger( "foo" ), false,
 		"_trigger returns false when callback returns false" );
 });
 
@@ -1384,7 +1398,7 @@ asyncTest( "_delay", function() {
 });
 
 test( "$.widget.bridge()", function() {
-	expect( 9 );
+	expect( 10 );
 
 	var instance, ret,
 		elem = $( "<div>" );
@@ -1412,6 +1426,7 @@ test( "$.widget.bridge()", function() {
 	strictEqual( elem.testWidget({ foo: "bar" }), elem, "plugin returns original jQuery object" );
 	instance = elem.data( "testWidget" );
 	equal( typeof instance, "object", "instance stored in .data(pluginName)" );
+	equal( typeof elem.testWidget( "instance" ), "object", "also retrievable via instance method" );
 
 	ret = elem.testWidget( "method", "value1" );
 	equal( ret, elem, "jQuery object returned from method call" );
diff --git a/themes/base/jquery.ui.theme.css b/themes/base/jquery.ui.theme.css
index c606011f0..fd586d90b 100644
--- a/themes/base/jquery.ui.theme.css
+++ b/themes/base/jquery.ui.theme.css
@@ -156,7 +156,6 @@
 .ui-icon {
 	width: 16px;
 	height: 16px;
-	background-position: 16px 16px;
 }
 .ui-icon,
 .ui-widget-content .ui-icon {
@@ -184,6 +183,7 @@
 }
 
 /* positioning */
+.ui-icon-blank { background-position: 16px 16px; }
 .ui-icon-carat-1-n { background-position: 0 0; }
 .ui-icon-carat-1-ne { background-position: -16px 0; }
 .ui-icon-carat-1-e { background-position: -32px 0; }
diff --git a/ui/jquery.ui.accordion.js b/ui/jquery.ui.accordion.js
index 1afa95cb4..c210a29a9 100644
--- a/ui/jquery.ui.accordion.js
+++ b/ui/jquery.ui.accordion.js
@@ -65,8 +65,7 @@ $.widget( "ui.accordion", {
 	_getCreateEventData: function() {
 		return {
 			header: this.active,
-			panel: !this.active.length ? $() : this.active.next(),
-			content: !this.active.length ? $() : this.active.next()
+			panel: !this.active.length ? $() : this.active.next()
 		};
 	},
 
@@ -161,6 +160,9 @@ $.widget( "ui.accordion", {
 		// #5332 - opacity doesn't cascade to positioned elements in IE
 		// so we need to add the disabled class to the headers and panels
 		if ( key === "disabled" ) {
+			this.element
+				.toggleClass( "ui-state-disabled", !!value )
+				.attr( "aria-disabled", value );
 			this.headers.add( this.headers.next() )
 				.toggleClass( "ui-state-disabled", !!value );
 		}
diff --git a/ui/jquery.ui.autocomplete.js b/ui/jquery.ui.autocomplete.js
index b3a05da0b..92ddc3a12 100644
--- a/ui/jquery.ui.autocomplete.js
+++ b/ui/jquery.ui.autocomplete.js
@@ -201,7 +201,7 @@ $.widget( "ui.autocomplete", {
 				role: null
 			})
 			.hide()
-			.data( "ui-menu" );
+			.menu( "instance" );
 
 		this._on( this.menu.element, {
 			mousedown: function( event ) {
diff --git a/ui/jquery.ui.button.js b/ui/jquery.ui.button.js
index fcb7b14d1..5e64f5164 100644
--- a/ui/jquery.ui.button.js
+++ b/ui/jquery.ui.button.js
@@ -207,9 +207,6 @@ $.widget( "ui.button", {
 			}
 		}
 
-		// TODO: pull out $.Widget's handling for the disabled option into
-		// $.Widget.prototype._setOptionDisabled so it's easy to proxy and can
-		// be overridden by individual plugins
 		this._setOption( "disabled", options.disabled );
 		this._resetButton();
 	},
@@ -273,11 +270,8 @@ $.widget( "ui.button", {
 	_setOption: function( key, value ) {
 		this._super( key, value );
 		if ( key === "disabled" ) {
-			if ( value ) {
-				this.element.prop( "disabled", true );
-			} else {
-				this.element.prop( "disabled", false );
-			}
+			this.widget().toggleClass( "ui-state-disabled", !!value );
+			this.element.prop( "disabled", !!value );
 			return;
 		}
 		this._resetButton();
diff --git a/ui/jquery.ui.core.js b/ui/jquery.ui.core.js
index d224f181a..0d263fa5f 100644
--- a/ui/jquery.ui.core.js
+++ b/ui/jquery.ui.core.js
@@ -13,13 +13,8 @@
 var uuid = 0,
 	runiqueId = /^ui-id-\d+$/;
 
-// prevent duplicate loading
-// this is only a problem because we proxy existing functions
-// and we don't want to double proxy them
+// $.ui might exist from components with no dependencies, e.g., $.ui.position
 $.ui = $.ui || {};
-if ( $.ui.version ) {
-	return;
-}
 
 $.extend( $.ui, {
 	version: "@VERSION",
@@ -52,20 +47,21 @@ $.extend( $.ui, {
 
 // plugins
 $.fn.extend({
-	_focus: $.fn.focus,
-	focus: function( delay, fn ) {
-		return typeof delay === "number" ?
-			this.each(function() {
-				var elem = this;
-				setTimeout(function() {
-					$( elem ).focus();
-					if ( fn ) {
-						fn.call( elem );
-					}
-				}, delay );
-			}) :
-			this._focus.apply( this, arguments );
-	},
+	focus: (function( orig ) {
+		return function( delay, fn ) {
+			return typeof delay === "number" ?
+				this.each(function() {
+					var elem = this;
+					setTimeout(function() {
+						$( elem ).focus();
+						if ( fn ) {
+							fn.call( elem );
+						}
+					}, delay );
+				}) :
+				orig.apply( this, arguments );
+		};
+	})( $.fn.focus ),
 
 	scrollParent: function() {
 		var scrollParent;
@@ -82,35 +78,6 @@ $.fn.extend({
 		return (/fixed/).test(this.css("position")) || !scrollParent.length ? $(document) : scrollParent;
 	},
 
-	zIndex: function( zIndex ) {
-		if ( zIndex !== undefined ) {
-			return this.css( "zIndex", zIndex );
-		}
-
-		if ( this.length ) {
-			var elem = $( this[ 0 ] ), position, value;
-			while ( elem.length && elem[ 0 ] !== document ) {
-				// Ignore z-index if position is set to a value where z-index is ignored by the browser
-				// This makes behavior of this function consistent across browsers
-				// WebKit always returns auto if the element is positioned
-				position = elem.css( "position" );
-				if ( position === "absolute" || position === "relative" || position === "fixed" ) {
-					// IE returns 0 when zIndex is not specified
-					// other browsers return a string
-					// we ignore the case of nested elements with an explicit value of 0
-					// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
-					value = parseInt( elem.css( "zIndex" ), 10 );
-					if ( !isNaN( value ) && value !== 0 ) {
-						return value;
-					}
-				}
-				elem = elem.parent();
-			}
-		}
-
-		return 0;
-	},
-
 	uniqueId: function() {
 		return this.each(function() {
 			if ( !this.id ) {
@@ -267,6 +234,35 @@ $.fn.extend({
 
 	enableSelection: function() {
 		return this.unbind( ".ui-disableSelection" );
+	},
+
+	zIndex: function( zIndex ) {
+		if ( zIndex !== undefined ) {
+			return this.css( "zIndex", zIndex );
+		}
+
+		if ( this.length ) {
+			var elem = $( this[ 0 ] ), position, value;
+			while ( elem.length && elem[ 0 ] !== document ) {
+				// Ignore z-index if position is set to a value where z-index is ignored by the browser
+				// This makes behavior of this function consistent across browsers
+				// WebKit always returns auto if the element is positioned
+				position = elem.css( "position" );
+				if ( position === "absolute" || position === "relative" || position === "fixed" ) {
+					// IE returns 0 when zIndex is not specified
+					// other browsers return a string
+					// we ignore the case of nested elements with an explicit value of 0
+					// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
+					value = parseInt( elem.css( "zIndex" ), 10 );
+					if ( !isNaN( value ) && value !== 0 ) {
+						return value;
+					}
+				}
+				elem = elem.parent();
+			}
+		}
+
+		return 0;
 	}
 });
 
diff --git a/ui/jquery.ui.datepicker.js b/ui/jquery.ui.datepicker.js
index efee7a819..5892e2ddc 100644
--- a/ui/jquery.ui.datepicker.js
+++ b/ui/jquery.ui.datepicker.js
@@ -19,6 +19,28 @@ var PROP_NAME = "datepicker",
 	dpuuid = new Date().getTime(),
 	instActive;
 
+function getZindex( elem ) {
+	var position, value;
+	while ( elem.length && elem[ 0 ] !== document ) {
+		// Ignore z-index if position is set to a value where z-index is ignored by the browser
+		// This makes behavior of this function consistent across browsers
+		// WebKit always returns auto if the element is positioned
+		position = elem.css( "position" );
+		if ( position === "absolute" || position === "relative" || position === "fixed" ) {
+			// IE returns 0 when zIndex is not specified
+			// other browsers return a string
+			// we ignore the case of nested elements with an explicit value of 0
+			// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
+			value = parseInt( elem.css( "zIndex" ), 10 );
+			if ( !isNaN( value ) && value !== 0 ) {
+				return value;
+			}
+		}
+		elem = elem.parent();
+	}
+
+	return 0;
+}
 /* Date picker manager.
    Use the singleton instance of this class, $.datepicker, to interact with the date picker.
    Settings for (groups of) date pickers are maintained in an instance object,
@@ -744,7 +766,7 @@ $.extend(Datepicker.prototype, {
 		if (!inst.inline) {
 			showAnim = $.datepicker._get(inst, "showAnim");
 			duration = $.datepicker._get(inst, "duration");
-			inst.dpDiv.zIndex($(input).zIndex()+1);
+			inst.dpDiv.css( "z-index", getZindex( $( input ) ) + 1 );
 			$.datepicker._datepickerShowing = true;
 
 			if ( $.effects && $.effects.effect[ showAnim ] ) {
diff --git a/ui/jquery.ui.dialog.js b/ui/jquery.ui.dialog.js
index b35c0ffcf..59a7961ed 100644
--- a/ui/jquery.ui.dialog.js
+++ b/ui/jquery.ui.dialog.js
@@ -755,54 +755,4 @@ $.widget( "ui.dialog", {
 
 $.ui.dialog.overlayInstances = 0;
 
-// DEPRECATED
-if ( $.uiBackCompat !== false ) {
-	// position option with array notation
-	// just override with old implementation
-	$.widget( "ui.dialog", $.ui.dialog, {
-		_position: function() {
-			var position = this.options.position,
-				myAt = [],
-				offset = [ 0, 0 ],
-				isVisible;
-
-			if ( position ) {
-				if ( typeof position === "string" || (typeof position === "object" && "0" in position ) ) {
-					myAt = position.split ? position.split(" ") : [ position[0], position[1] ];
-					if ( myAt.length === 1 ) {
-						myAt[1] = myAt[0];
-					}
-
-					$.each( [ "left", "top" ], function( i, offsetPosition ) {
-						if ( +myAt[ i ] === myAt[ i ] ) {
-							offset[ i ] = myAt[ i ];
-							myAt[ i ] = offsetPosition;
-						}
-					});
-
-					position = {
-						my: myAt[0] + (offset[0] < 0 ? offset[0] : "+" + offset[0]) + " " +
-							myAt[1] + (offset[1] < 0 ? offset[1] : "+" + offset[1]),
-						at: myAt.join(" ")
-					};
-				}
-
-				position = $.extend( {}, $.ui.dialog.prototype.options.position, position );
-			} else {
-				position = $.ui.dialog.prototype.options.position;
-			}
-
-			// need to show the dialog to get the actual offset in the position plugin
-			isVisible = this.uiDialog.is(":visible");
-			if ( !isVisible ) {
-				this.uiDialog.show();
-			}
-			this.uiDialog.position( position );
-			if ( !isVisible ) {
-				this.uiDialog.hide();
-			}
-		}
-	});
-}
-
 }( jQuery ) );
diff --git a/ui/jquery.ui.draggable.js b/ui/jquery.ui.draggable.js
index 7c1fb3361..e5fc069b9 100644
--- a/ui/jquery.ui.draggable.js
+++ b/ui/jquery.ui.draggable.js
@@ -135,6 +135,9 @@ $.widget("ui.draggable", $.ui.mouse, {
 			left: this.offset.left - this.margins.left
 		};
 
+		//Reset scroll cache
+		this.offset.scroll = false;
+
 		$.extend(this.offset, {
 			click: { //Where the click happened, relative to the element
 				left: event.pageX - this.offset.left,
@@ -214,9 +217,7 @@ $.widget("ui.draggable", $.ui.mouse, {
 	_mouseStop: function(event) {
 
 		//If we are using droppables, inform the manager about the drop
-		var element,
-			that = this,
-			elementInDom = false,
+		var that = this,
 			dropped = false;
 		if ($.ui.ddmanager && !this.options.dropBehaviour) {
 			dropped = $.ui.ddmanager.drop(this, event);
@@ -229,13 +230,7 @@ $.widget("ui.draggable", $.ui.mouse, {
 		}
 
 		//if the original element is no longer in the DOM don't bother to continue (see #8269)
-		element = this.element[0];
-		while ( element && (element = element.parentNode) ) {
-			if (element === document ) {
-				elementInDom = true;
-			}
-		}
-		if ( !elementInDom && this.options.helper === "original" ) {
+		if ( this.options.helper === "original" && !$.contains( this.element[ 0 ].ownerDocument, this.element[ 0 ] ) ) {
 			return false;
 		}
 
@@ -281,17 +276,9 @@ $.widget("ui.draggable", $.ui.mouse, {
 	},
 
 	_getHandle: function(event) {
-
-		var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false;
-
-		this.element.find( this.options.handle ).each(function() {
-			if(this === event.target) {
-				handle = true;
-			}
-		});
-
-		return handle;
-
+		return this.options.handle ?
+			!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
+			true;
 	},
 
 	_createHelper: function(event) {
@@ -421,8 +408,8 @@ $.widget("ui.draggable", $.ui.mouse, {
 			this.containment = [
 				(parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0),
 				(parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0),
-				(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left - this.margins.right,
-				(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top  - this.margins.bottom
+				(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderRightWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left - this.margins.right,
+				(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderBottomWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top  - this.margins.bottom
 			];
 			this.relative_container = c;
 
@@ -441,18 +428,23 @@ $.widget("ui.draggable", $.ui.mouse, {
 		var mod = d === "absolute" ? 1 : -1,
 			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
 
+		//Cache the scroll
+		if (!this.offset.scroll) {
+			this.offset.scroll = {top : scroll.scrollTop(), left : scroll.scrollLeft()};
+		}
+
 		return {
 			top: (
 				pos.top	+																// The absolute mouse position
 				this.offset.relative.top * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
 				this.offset.parent.top * mod -										// The offsetParent's offset without borders (offset + border)
-				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
+				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod)
 			),
 			left: (
 				pos.left +																// The absolute mouse position
 				this.offset.relative.left * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
 				this.offset.parent.left * mod	-										// The offsetParent's offset without borders (offset + border)
-				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
+				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : this.offset.scroll.left ) * mod)
 			)
 		};
 
@@ -467,6 +459,11 @@ $.widget("ui.draggable", $.ui.mouse, {
 			pageX = event.pageX,
 			pageY = event.pageY;
 
+		//Cache the scroll
+		if (!this.offset.scroll) {
+			this.offset.scroll = {top : scroll.scrollTop(), left : scroll.scrollLeft()};
+		}
+
 		/*
 		 * - Position constraining -
 		 * Constrain the position to a mix of grid, containment.
@@ -516,14 +513,14 @@ $.widget("ui.draggable", $.ui.mouse, {
 				this.offset.click.top	-												// Click offset (relative to the element)
 				this.offset.relative.top -												// Only for relative positioned nodes: Relative offset from element to offset parent
 				this.offset.parent.top +												// The offsetParent's offset without borders (offset + border)
-				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
+				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : this.offset.scroll.top ) ))
 			),
 			left: (
 				pageX -																	// The absolute mouse position
 				this.offset.click.left -												// Click offset (relative to the element)
 				this.offset.relative.left -												// Only for relative positioned nodes: Relative offset from element to offset parent
 				this.offset.parent.left +												// The offsetParent's offset without borders (offset + border)
-				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
+				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : this.offset.scroll.left ))
 			)
 		};
 
@@ -566,11 +563,11 @@ $.widget("ui.draggable", $.ui.mouse, {
 $.ui.plugin.add("draggable", "connectToSortable", {
 	start: function(event, ui) {
 
-		var inst = $(this).data("ui-draggable"), o = inst.options,
+		var inst = $(this).draggable( "instance" ), o = inst.options,
 			uiSortable = $.extend({}, ui, { item: inst.element });
 		inst.sortables = [];
 		$(o.connectToSortable).each(function() {
-			var sortable = $.data(this, "ui-sortable");
+			var sortable = $( this ).sortable( "instance" );
 			if (sortable && !sortable.options.disabled) {
 				inst.sortables.push({
 					instance: sortable,
@@ -585,7 +582,7 @@ $.ui.plugin.add("draggable", "connectToSortable", {
 	stop: function(event, ui) {
 
 		//If we are still over the sortable, we fake the stop event of the sortable, but also remove helper
-		var inst = $(this).data("ui-draggable"),
+		var inst = $(this).draggable( "instance" ),
 			uiSortable = $.extend({}, ui, { item: inst.element });
 
 		$.each(inst.sortables, function() {
@@ -621,7 +618,7 @@ $.ui.plugin.add("draggable", "connectToSortable", {
 	},
 	drag: function(event, ui) {
 
-		var inst = $(this).data("ui-draggable"), that = this;
+		var inst = $(this).draggable( "instance" ), that = this;
 
 		$.each(inst.sortables, function() {
 
@@ -722,14 +719,14 @@ $.ui.plugin.add("draggable", "connectToSortable", {
 
 $.ui.plugin.add("draggable", "cursor", {
 	start: function() {
-		var t = $("body"), o = $(this).data("ui-draggable").options;
+		var t = $("body"), o = $(this).draggable( "instance" ).options;
 		if (t.css("cursor")) {
 			o._cursor = t.css("cursor");
 		}
 		t.css("cursor", o.cursor);
 	},
 	stop: function() {
-		var o = $(this).data("ui-draggable").options;
+		var o = $(this).draggable( "instance" ).options;
 		if (o._cursor) {
 			$("body").css("cursor", o._cursor);
 		}
@@ -738,14 +735,14 @@ $.ui.plugin.add("draggable", "cursor", {
 
 $.ui.plugin.add("draggable", "opacity", {
 	start: function(event, ui) {
-		var t = $(ui.helper), o = $(this).data("ui-draggable").options;
+		var t = $(ui.helper), o = $(this).draggable( "instance" ).options;
 		if(t.css("opacity")) {
 			o._opacity = t.css("opacity");
 		}
 		t.css("opacity", o.opacity);
 	},
 	stop: function(event, ui) {
-		var o = $(this).data("ui-draggable").options;
+		var o = $(this).draggable( "instance" ).options;
 		if(o._opacity) {
 			$(ui.helper).css("opacity", o._opacity);
 		}
@@ -754,14 +751,14 @@ $.ui.plugin.add("draggable", "opacity", {
 
 $.ui.plugin.add("draggable", "scroll", {
 	start: function() {
-		var i = $(this).data("ui-draggable");
+		var i = $(this).draggable( "instance" );
 		if(i.scrollParent[0] !== document && i.scrollParent[0].tagName !== "HTML") {
 			i.overflowOffset = i.scrollParent.offset();
 		}
 	},
 	drag: function( event ) {
 
-		var i = $(this).data("ui-draggable"), o = i.options, scrolled = false;
+		var i = $(this).draggable( "instance" ), o = i.options, scrolled = false;
 
 		if(i.scrollParent[0] !== document && i.scrollParent[0].tagName !== "HTML") {
 
@@ -811,7 +808,7 @@ $.ui.plugin.add("draggable", "scroll", {
 $.ui.plugin.add("draggable", "snap", {
 	start: function() {
 
-		var i = $(this).data("ui-draggable"),
+		var i = $(this).draggable( "instance" ),
 			o = i.options;
 
 		i.snapElements = [];
@@ -832,7 +829,7 @@ $.ui.plugin.add("draggable", "snap", {
 	drag: function(event, ui) {
 
 		var ts, bs, ls, rs, l, r, t, b, i, first,
-			inst = $(this).data("ui-draggable"),
+			inst = $(this).draggable( "instance" ),
 			o = inst.options,
 			d = o.snapTolerance,
 			x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
@@ -845,8 +842,7 @@ $.ui.plugin.add("draggable", "snap", {
 			t = inst.snapElements[i].top;
 			b = t + inst.snapElements[i].height;
 
-			//Yes, I know, this is insane ;)
-			if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) {
+			if ( x2 < l - d || x1 > r + d || y2 < t - d || y1 > b + d || !$.contains( inst.snapElements[ i ].item.ownerDocument, inst.snapElements[ i ].item ) ) {
 				if(inst.snapElements[i].snapping) {
 					(inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
 				}
@@ -907,7 +903,7 @@ $.ui.plugin.add("draggable", "snap", {
 $.ui.plugin.add("draggable", "stack", {
 	start: function() {
 		var min,
-			o = this.data("ui-draggable").options,
+			o = $(this).draggable( "instance" ).options,
 			group = $.makeArray($(o.stack)).sort(function(a,b) {
 				return (parseInt($(a).css("zIndex"),10) || 0) - (parseInt($(b).css("zIndex"),10) || 0);
 			});
@@ -924,14 +920,14 @@ $.ui.plugin.add("draggable", "stack", {
 
 $.ui.plugin.add("draggable", "zIndex", {
 	start: function(event, ui) {
-		var t = $(ui.helper), o = $(this).data("ui-draggable").options;
+		var t = $(ui.helper), o = $(this).draggable( "instance" ).options;
 		if(t.css("zIndex")) {
 			o._zIndex = t.css("zIndex");
 		}
 		t.css("zIndex", o.zIndex);
 	},
 	stop: function(event, ui) {
-		var o = $(this).data("ui-draggable").options;
+		var o = $(this).draggable( "instance" ).options;
 		if(o._zIndex) {
 			$(ui.helper).css("zIndex", o._zIndex);
 		}
diff --git a/ui/jquery.ui.droppable.js b/ui/jquery.ui.droppable.js
index 552b24a58..6bc4b594d 100644
--- a/ui/jquery.ui.droppable.js
+++ b/ui/jquery.ui.droppable.js
@@ -82,7 +82,7 @@ $.widget("ui.droppable", {
 				return d.is(value);
 			};
 		}
-		$.Widget.prototype._setOption.apply(this, arguments);
+		this._super( key, value );
 	},
 
 	_activate: function(event) {
@@ -152,7 +152,7 @@ $.widget("ui.droppable", {
 		}
 
 		this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function() {
-			var inst = $.data(this, "ui-droppable");
+			var inst = $( this ).droppable( "instance" );
 			if(
 				inst.options.greedy &&
 				!inst.options.disabled &&
@@ -331,11 +331,11 @@ $.ui.ddmanager = {
 				// find droppable parents with same scope
 				scope = this.options.scope;
 				parent = this.element.parents(":data(ui-droppable)").filter(function () {
-					return $.data(this, "ui-droppable").options.scope === scope;
+					return $(this).droppable( "instance" ).options.scope === scope;
 				});
 
 				if (parent.length) {
-					parentInstance = $.data(parent[0], "ui-droppable");
+					parentInstance = $( parent[ 0 ] ).droppable( "instance" );
 					parentInstance.greedyChild = (c === "isover");
 				}
 			}
diff --git a/ui/jquery.ui.effect.js b/ui/jquery.ui.effect.js
index f3d9929b0..3d65b40c7 100644
--- a/ui/jquery.ui.effect.js
+++ b/ui/jquery.ui.effect.js
@@ -8,7 +8,7 @@
  *
  * http://api.jqueryui.com/category/effects-core/
  */
-;(jQuery.effects || (function($, undefined) {
+(function($, undefined) {
 
 var dataSpace = "ui-effects-";
 
@@ -839,39 +839,42 @@ $.effects.animateClass = function( value, duration, easing, callback ) {
 };
 
 $.fn.extend({
-	_addClass: $.fn.addClass,
-	addClass: function( classNames, speed, easing, callback ) {
-		return speed ?
-			$.effects.animateClass.call( this,
-				{ add: classNames }, speed, easing, callback ) :
-			this._addClass( classNames );
-	},
-
-	_removeClass: $.fn.removeClass,
-	removeClass: function( classNames, speed, easing, callback ) {
-		return arguments.length > 1 ?
-			$.effects.animateClass.call( this,
-				{ remove: classNames }, speed, easing, callback ) :
-			this._removeClass.apply( this, arguments );
-	},
-
-	_toggleClass: $.fn.toggleClass,
-	toggleClass: function( classNames, force, speed, easing, callback ) {
-		if ( typeof force === "boolean" || force === undefined ) {
-			if ( !speed ) {
-				// without speed parameter
-				return this._toggleClass( classNames, force );
+	addClass: (function( orig ) {
+		return function( classNames, speed, easing, callback ) {
+			return speed ?
+				$.effects.animateClass.call( this,
+					{ add: classNames }, speed, easing, callback ) :
+				orig.apply( this, arguments );
+		};
+	})( $.fn.addClass ),
+
+	removeClass: (function( orig ) {
+		return function( classNames, speed, easing, callback ) {
+			return arguments.length > 1 ?
+				$.effects.animateClass.call( this,
+					{ remove: classNames }, speed, easing, callback ) :
+				orig.apply( this, arguments );
+		};
+	})( $.fn.removeClass ),
+
+	toggleClass: (function( orig ) {
+		return function( classNames, force, speed, easing, callback ) {
+			if ( typeof force === "boolean" || force === undefined ) {
+				if ( !speed ) {
+					// without speed parameter
+					return orig.apply( this, arguments );
+				} else {
+					return $.effects.animateClass.call( this,
+						(force ? { add: classNames } : { remove: classNames }),
+						speed, easing, callback );
+				}
 			} else {
+				// without force parameter
 				return $.effects.animateClass.call( this,
-					(force ? { add: classNames } : { remove: classNames }),
-					speed, easing, callback );
+					{ toggle: classNames }, force, speed, easing );
 			}
-		} else {
-			// without force parameter
-			return $.effects.animateClass.call( this,
-				{ toggle: classNames }, force, speed, easing );
-		}
-	},
+		};
+	})( $.fn.toggleClass ),
 
 	switchClass: function( remove, add, speed, easing, callback) {
 		return $.effects.animateClass.call( this, {
@@ -1283,4 +1286,4 @@ $.each( baseEasings, function( name, easeIn ) {
 
 })();
 
-})(jQuery));
+})(jQuery);
diff --git a/ui/jquery.ui.menu.js b/ui/jquery.ui.menu.js
index 1c633786d..bdef93248 100644
--- a/ui/jquery.ui.menu.js
+++ b/ui/jquery.ui.menu.js
@@ -350,6 +350,11 @@ $.widget( "ui.menu", {
 				.removeClass( this.options.icons.submenu )
 				.addClass( value.submenu );
 		}
+		if ( key === "disabled" ) {
+			this.element
+				.toggleClass( "ui-state-disabled", !!value )
+				.attr( "aria-disabled", value );
+		}
 		this._super( key, value );
 	},
 
diff --git a/ui/jquery.ui.progressbar.js b/ui/jquery.ui.progressbar.js
index 9e959ebc4..0eaa8b41e 100644
--- a/ui/jquery.ui.progressbar.js
+++ b/ui/jquery.ui.progressbar.js
@@ -97,7 +97,11 @@ $.widget( "ui.progressbar", {
 			// Don't allow a max less than min
 			value = Math.max( this.min, value );
 		}
-
+		if ( key === "disabled" ) {
+			this.element
+				.toggleClass( "ui-state-disabled", !!value )
+				.attr( "aria-disabled", value );
+		}
 		this._super( key, value );
 	},
 
diff --git a/ui/jquery.ui.resizable.js b/ui/jquery.ui.resizable.js
index 2468dcaa6..761ea058b 100644
--- a/ui/jquery.ui.resizable.js
+++ b/ui/jquery.ui.resizable.js
@@ -81,7 +81,7 @@ $.widget("ui.resizable", $.ui.mouse, {
 
 			//Overwrite the original this.element
 			this.element = this.element.parent().data(
-				"ui-resizable", this.element.data("ui-resizable")
+				"ui-resizable", this.element.resizable( "instance" )
 			);
 
 			this.elementIsWrapper = true;
@@ -651,7 +651,7 @@ $.widget("ui.resizable", $.ui.mouse, {
 $.ui.plugin.add("resizable", "animate", {
 
 	stop: function( event ) {
-		var that = $(this).data("ui-resizable"),
+		var that = $(this).resizable( "instance" ),
 			o = that.options,
 			pr = that._proportionallyResizeElements,
 			ista = pr.length && (/textarea/i).test(pr[0].nodeName),
@@ -693,7 +693,7 @@ $.ui.plugin.add("resizable", "containment", {
 
 	start: function() {
 		var element, p, co, ch, cw, width, height,
-			that = $(this).data("ui-resizable"),
+			that = $(this).resizable( "instance" ),
 			o = that.options,
 			el = that.element,
 			oc = o.containment,
@@ -739,7 +739,7 @@ $.ui.plugin.add("resizable", "containment", {
 
 	resize: function( event ) {
 		var woset, hoset, isParent, isOffsetRelative,
-			that = $(this).data("ui-resizable"),
+			that = $(this).resizable( "instance" ),
 			o = that.options,
 			co = that.containerOffset, cp = that.position,
 			pRatio = that._aspectRatio || event.shiftKey,
@@ -794,7 +794,7 @@ $.ui.plugin.add("resizable", "containment", {
 	},
 
 	stop: function(){
-		var that = $(this).data("ui-resizable"),
+		var that = $(this).resizable( "instance" ),
 			o = that.options,
 			co = that.containerOffset,
 			cop = that.containerPosition,
@@ -818,7 +818,7 @@ $.ui.plugin.add("resizable", "containment", {
 $.ui.plugin.add("resizable", "alsoResize", {
 
 	start: function () {
-		var that = $(this).data("ui-resizable"),
+		var that = $(this).resizable( "instance" ),
 			o = that.options,
 			_store = function (exp) {
 				$(exp).each(function() {
@@ -839,7 +839,7 @@ $.ui.plugin.add("resizable", "alsoResize", {
 	},
 
 	resize: function (event, ui) {
-		var that = $(this).data("ui-resizable"),
+		var that = $(this).resizable( "instance" ),
 			o = that.options,
 			os = that.originalSize,
 			op = that.originalPosition,
@@ -880,7 +880,7 @@ $.ui.plugin.add("resizable", "ghost", {
 
 	start: function() {
 
-		var that = $(this).data("ui-resizable"), o = that.options, cs = that.size;
+		var that = $(this).resizable( "instance" ), o = that.options, cs = that.size;
 
 		that.ghost = that.originalElement.clone();
 		that.ghost
@@ -893,14 +893,14 @@ $.ui.plugin.add("resizable", "ghost", {
 	},
 
 	resize: function(){
-		var that = $(this).data("ui-resizable");
+		var that = $(this).resizable( "instance" );
 		if (that.ghost) {
 			that.ghost.css({ position: "relative", height: that.size.height, width: that.size.width });
 		}
 	},
 
 	stop: function() {
-		var that = $(this).data("ui-resizable");
+		var that = $(this).resizable( "instance" );
 		if (that.ghost && that.helper) {
 			that.helper.get(0).removeChild(that.ghost.get(0));
 		}
@@ -911,7 +911,7 @@ $.ui.plugin.add("resizable", "ghost", {
 $.ui.plugin.add("resizable", "grid", {
 
 	resize: function() {
-		var that = $(this).data("ui-resizable"),
+		var that = $(this).resizable( "instance" ),
 			o = that.options,
 			cs = that.size,
 			os = that.originalSize,
diff --git a/ui/jquery.ui.slider.js b/ui/jquery.ui.slider.js
index b3e609aa2..88281240d 100644
--- a/ui/jquery.ui.slider.js
+++ b/ui/jquery.ui.slider.js
@@ -427,7 +427,11 @@ $.widget( "ui.slider", $.ui.mouse, {
 			valsLength = this.options.values.length;
 		}
 
-		$.Widget.prototype._setOption.apply( this, arguments );
+		if ( key === "disabled" ) {
+			this.element.toggleClass( "ui-state-disabled", !!value );
+		}
+
+		this._super( key, value );
 
 		switch ( key ) {
 			case "orientation":
diff --git a/ui/jquery.ui.sortable.js b/ui/jquery.ui.sortable.js
index 93c6cccc5..642d5d947 100644
--- a/ui/jquery.ui.sortable.js
+++ b/ui/jquery.ui.sortable.js
@@ -21,6 +21,10 @@ function isOverAxis( x, reference, size ) {
 	return ( x > reference ) && ( x < ( reference + size ) );
 }
 
+function isFloating(item) {
+	return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display"));
+}
+
 $.widget("ui.sortable", $.ui.mouse, {
 	version: "@VERSION",
 	widgetEventPrefix: "sort",
@@ -73,7 +77,7 @@ $.widget("ui.sortable", $.ui.mouse, {
 		this.refresh();
 
 		//Let's determine if the items are being displayed horizontally
-		this.floating = this.items.length ? o.axis === "x" || (/left|right/).test(this.items[0].item.css("float")) || (/inline|table-cell/).test(this.items[0].item.css("display")) : false;
+		this.floating = this.items.length ? o.axis === "x" || isFloating(this.items[0].item) : false;
 
 		//Let's determine the parent's offset
 		this.offset = this.element.offset();
@@ -98,17 +102,6 @@ $.widget("ui.sortable", $.ui.mouse, {
 		return this;
 	},
 
-	_setOption: function(key, value){
-		if ( key === "disabled" ) {
-			this.options[ key ] = value;
-
-			this.widget().toggleClass( "ui-sortable-disabled", !!value );
-		} else {
-			// Don't call widget base _setOption for disable as it adds ui-state-disabled class
-			$.Widget.prototype._setOption.apply(this, arguments);
-		}
-	},
-
 	_mouseCapture: function(event, overrideHandle) {
 		var currentItem = null,
 			validHandle = false,
@@ -424,14 +417,18 @@ $.widget("ui.sortable", $.ui.mouse, {
 
 		if(this.options.revert) {
 			var that = this,
-				cur = this.placeholder.offset();
+				cur = this.placeholder.offset(),
+				axis = this.options.axis,
+				animation = {};
 
+			if ( !axis || axis === "x" ) {
+				animation.left = cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollLeft);
+			}
+			if ( !axis || axis === "y" ) {
+				animation.top = cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollTop);
+			}
 			this.reverting = true;
-
-			$(this.helper).animate({
-				left: cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollLeft),
-				top: cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollTop)
-			}, parseInt(this.options.revert, 10) || 500, function() {
+			$(this.helper).animate( animation, parseInt(this.options.revert, 10) || 500, function() {
 				that._clear(event);
 			});
 		} else {
@@ -799,7 +796,7 @@ $.widget("ui.sortable", $.ui.mouse, {
 	},
 
 	_contactContainers: function(event) {
-		var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, base, cur, nearBottom,
+		var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, base, cur, nearBottom, floating,
 			innermostContainer = null,
 			innermostIndex = null;
 
@@ -838,15 +835,18 @@ $.widget("ui.sortable", $.ui.mouse, {
 
 		// move the item into the container if it's not there already
 		if(this.containers.length === 1) {
-			this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
-			this.containers[innermostIndex].containerCache.over = 1;
+			if (!this.containers[innermostIndex].containerCache.over) {
+				this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
+				this.containers[innermostIndex].containerCache.over = 1;
+			}
 		} else {
 
 			//When entering a new container, we will find the item with the least distance and append our item near it
 			dist = 10000;
 			itemWithLeastDistance = null;
-			posProperty = this.containers[innermostIndex].floating ? "left" : "top";
-			sizeProperty = this.containers[innermostIndex].floating ? "width" : "height";
+			floating = innermostContainer.floating || isFloating(this.currentItem);
+			posProperty = floating ? "left" : "top";
+			sizeProperty = floating ? "width" : "height";
 			base = this.positionAbs[posProperty] + this.offset.click[posProperty];
 			for (j = this.items.length - 1; j >= 0; j--) {
 				if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) {
@@ -855,6 +855,9 @@ $.widget("ui.sortable", $.ui.mouse, {
 				if(this.items[j].item[0] === this.currentItem[0]) {
 					continue;
 				}
+				if (floating && !isOverAxis(this.positionAbs.top + this.offset.click.top, this.items[j].top, this.items[j].height)) {
+					continue;
+				}
 				cur = this.items[j].item.offset()[posProperty];
 				nearBottom = false;
 				if(Math.abs(cur - base) > Math.abs(cur + this.items[j][sizeProperty] - base)){
@@ -873,10 +876,14 @@ $.widget("ui.sortable", $.ui.mouse, {
 				return;
 			}
 
-			this.currentContainer = this.containers[innermostIndex];
+			if(this.currentContainer === this.containers[innermostIndex]) {
+				return;
+			}
+
 			itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
 			this._trigger("change", event, this._uiHash());
 			this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
+			this.currentContainer = this.containers[innermostIndex];
 
 			//Update the placeholder
 			this.options.placeholder.update(this.currentContainer, this.placeholder);
diff --git a/ui/jquery.ui.spinner.js b/ui/jquery.ui.spinner.js
index 644b65239..c022413dc 100644
--- a/ui/jquery.ui.spinner.js
+++ b/ui/jquery.ui.spinner.js
@@ -381,13 +381,9 @@ $.widget( "ui.spinner", {
 		this._super( key, value );
 
 		if ( key === "disabled" ) {
-			if ( value ) {
-				this.element.prop( "disabled", true );
-				this.buttons.button( "disable" );
-			} else {
-				this.element.prop( "disabled", false );
-				this.buttons.button( "enable" );
-			}
+			this.widget().toggleClass( "ui-state-disabled", !!value );
+			this.element.prop( "disabled", !!value );
+			this.buttons.button( value ? "disable" : "enable" );
 		}
 	},
 
diff --git a/ui/jquery.ui.widget.js b/ui/jquery.ui.widget.js
index c581e4b81..741ac74d7 100644
--- a/ui/jquery.ui.widget.js
+++ b/ui/jquery.ui.widget.js
@@ -178,6 +178,10 @@ $.widget.bridge = function( name, object ) {
 			this.each(function() {
 				var methodValue,
 					instance = $.data( this, fullName );
+				if ( options === "instance" ) {
+					returnValue = instance;
+					return false;
+				}
 				if ( !instance ) {
 					return $.error( "cannot call methods on " + name + " prior to initialization; " +
 						"attempted to call method '" + options + "'" );
@@ -345,8 +349,7 @@ $.Widget.prototype = {
 
 		if ( key === "disabled" ) {
 			this.widget()
-				.toggleClass( this.widgetFullName + "-disabled ui-state-disabled", !!value )
-				.attr( "aria-disabled", value );
+				.toggleClass( this.widgetFullName + "-disabled", !!value );
 			this.hoverable.removeClass( "ui-state-hover" );
 			this.focusable.removeClass( "ui-state-focus" );
 		}