diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab0147402aa..43951e1146c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+* Update vendored jQuery UI to 1.14.1 [#8670] by [@tagliala] (thanks to [@tobischo])
+
 ## 3.3.0 [☰](https://github.com/activeadmin/activeadmin/compare/v3.2.5..v3.3.0)
 
 ### Enhancements
@@ -984,6 +986,7 @@ Please check [0-6-stable] for previous changes.
 [#8614]: https://github.com/activeadmin/activeadmin/pull/8614
 [#8650]: https://github.com/activeadmin/activeadmin/pull/8650
 [#8652]: https://github.com/activeadmin/activeadmin/pull/8652
+[#8670]: https://github.com/activeadmin/activeadmin/pull/8670
 
 [@1000ship]: https://github.com/1000ship
 [@5t111111]: https://github.com/5t111111
@@ -1108,6 +1111,7 @@ Please check [0-6-stable] for previous changes.
 [@timoschilling]: https://github.com/timoschilling
 [@TimPetricola]: https://github.com/TimPetricola
 [@timwis]: https://github.com/timwis
+[@tobischo]: https://github.com/tobischo
 [@tomgilligan]: https://github.com/tomgilligan
 [@TonyArra]: https://github.com/TonyArra
 [@tordans]: https://github.com/tordans
diff --git a/package.json b/package.json
index 597d99916f8..1d38b0b5a6e 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
   },
   "dependencies": {
     "jquery": "^3.4.1",
-    "jquery-ui": "^1.13.3",
+    "jquery-ui": "^1.14.1",
     "jquery-ujs": "^1.2.2"
   }
 }
diff --git a/vendor/assets/javascripts/jquery-ui/data.js b/vendor/assets/javascripts/jquery-ui/data.js
index c4e871ab6aa..cca24b02e02 100644
--- a/vendor/assets/javascripts/jquery-ui/data.js
+++ b/vendor/assets/javascripts/jquery-ui/data.js
@@ -1,7 +1,7 @@
 //= require jquery-ui/version
 
 /*!
- * jQuery UI :data 1.13.3
+ * jQuery UI :data 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -30,16 +30,10 @@
 "use strict";
 
 return $.extend( $.expr.pseudos, {
-	data: $.expr.createPseudo ?
-		$.expr.createPseudo( function( dataName ) {
-			return function( elem ) {
-				return !!$.data( elem, dataName );
-			};
-		} ) :
-
-		// Support: jQuery <1.8
-		function( elem, i, match ) {
-			return !!$.data( elem, match[ 3 ] );
-		}
+	data: $.expr.createPseudo( function( dataName ) {
+		return function( elem ) {
+			return !!$.data( elem, dataName );
+		};
+	} )
 } );
 } );
diff --git a/vendor/assets/javascripts/jquery-ui/disable-selection.js b/vendor/assets/javascripts/jquery-ui/disable-selection.js
index 8536fb23611..ca7a4536af0 100644
--- a/vendor/assets/javascripts/jquery-ui/disable-selection.js
+++ b/vendor/assets/javascripts/jquery-ui/disable-selection.js
@@ -1,7 +1,7 @@
 //= require jquery-ui/version
 
 /*!
- * jQuery UI Disable Selection 1.13.3
+ * jQuery UI Disable Selection 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
diff --git a/vendor/assets/javascripts/jquery-ui/focusable.js b/vendor/assets/javascripts/jquery-ui/focusable.js
index e33c9bfaa8e..5fd31327e16 100644
--- a/vendor/assets/javascripts/jquery-ui/focusable.js
+++ b/vendor/assets/javascripts/jquery-ui/focusable.js
@@ -1,7 +1,7 @@
 //= require jquery-ui/version
 
 /*!
- * jQuery UI Focusable 1.13.3
+ * jQuery UI Focusable 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -64,20 +64,10 @@ $.ui.focusable = function( element, hasTabindex ) {
 		focusableIfVisible = hasTabindex;
 	}
 
-	return focusableIfVisible && $( element ).is( ":visible" ) && visible( $( element ) );
+	return focusableIfVisible && $( element ).is( ":visible" ) &&
+		$( element ).css( "visibility" ) === "visible";
 };
 
-// Support: IE 8 only
-// IE 8 doesn't resolve inherit to visible/hidden for computed values
-function visible( element ) {
-	var visibility = element.css( "visibility" );
-	while ( visibility === "inherit" ) {
-		element = element.parent();
-		visibility = element.css( "visibility" );
-	}
-	return visibility === "visible";
-}
-
 $.extend( $.expr.pseudos, {
 	focusable: function( element ) {
 		return $.ui.focusable( element, $.attr( element, "tabindex" ) != null );
diff --git a/vendor/assets/javascripts/jquery-ui/form-reset-mixin.js b/vendor/assets/javascripts/jquery-ui/form-reset-mixin.js
index acd392d0750..fc3c9ba6ced 100644
--- a/vendor/assets/javascripts/jquery-ui/form-reset-mixin.js
+++ b/vendor/assets/javascripts/jquery-ui/form-reset-mixin.js
@@ -1,8 +1,7 @@
-//= require jquery-ui/form
 //= require jquery-ui/version
 
 /*!
- * jQuery UI Form Reset Mixin 1.13.3
+ * jQuery UI Form Reset Mixin 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -23,7 +22,6 @@
 		// AMD. Register as an anonymous module.
 		define( [
 			"jquery",
-			"./form",
 			"./version"
 		], factory );
 	} else {
@@ -48,7 +46,7 @@ return $.ui.formResetMixin = {
 	},
 
 	_bindFormResetHandler: function() {
-		this.form = this.element._form();
+		this.form = $( this.element.prop( "form" ) );
 		if ( !this.form.length ) {
 			return;
 		}
diff --git a/vendor/assets/javascripts/jquery-ui/form.js b/vendor/assets/javascripts/jquery-ui/form.js
deleted file mode 100644
index 95b47836982..00000000000
--- a/vendor/assets/javascripts/jquery-ui/form.js
+++ /dev/null
@@ -1,25 +0,0 @@
-//= require jquery-ui/version
-
-( function( factory ) {
-	"use strict";
-
-	if ( typeof define === "function" && define.amd ) {
-
-		// AMD. Register as an anonymous module.
-		define( [ "jquery", "./version" ], factory );
-	} else {
-
-		// Browser globals
-		factory( jQuery );
-	}
-} )( function( $ ) {
-"use strict";
-
-// Support: IE8 Only
-// IE8 does not support the form attribute and when it is supplied. It overwrites the form prop
-// with a string, so we need to find the proper form.
-return $.fn._form = function() {
-	return typeof this[ 0 ].form === "string" ? this.closest( "form" ) : $( this[ 0 ].form );
-};
-
-} );
diff --git a/vendor/assets/javascripts/jquery-ui/ie.js b/vendor/assets/javascripts/jquery-ui/ie.js
deleted file mode 100644
index a758a1b97e1..00000000000
--- a/vendor/assets/javascripts/jquery-ui/ie.js
+++ /dev/null
@@ -1,20 +0,0 @@
-//= require jquery-ui/version
-
-( function( factory ) {
-	"use strict";
-
-	if ( typeof define === "function" && define.amd ) {
-
-		// AMD. Register as an anonymous module.
-		define( [ "jquery", "./version" ], factory );
-	} else {
-
-		// Browser globals
-		factory( jQuery );
-	}
-} )( function( $ ) {
-"use strict";
-
-// This file is deprecated
-return $.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );
-} );
diff --git a/vendor/assets/javascripts/jquery-ui/keycode.js b/vendor/assets/javascripts/jquery-ui/keycode.js
index 7769b96d571..e2dfe97d59d 100644
--- a/vendor/assets/javascripts/jquery-ui/keycode.js
+++ b/vendor/assets/javascripts/jquery-ui/keycode.js
@@ -1,7 +1,7 @@
 //= require jquery-ui/version
 
 /*!
- * jQuery UI Keycode 1.13.3
+ * jQuery UI Keycode 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
diff --git a/vendor/assets/javascripts/jquery-ui/labels.js b/vendor/assets/javascripts/jquery-ui/labels.js
index b2fbe87dc80..9f0aad53d0f 100644
--- a/vendor/assets/javascripts/jquery-ui/labels.js
+++ b/vendor/assets/javascripts/jquery-ui/labels.js
@@ -1,7 +1,7 @@
 //= require jquery-ui/version
 
 /*!
- * jQuery UI Labels 1.13.3
+ * jQuery UI Labels 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -41,9 +41,8 @@ return $.fn.labels = function() {
 		return this.pushStack( this[ 0 ].labels );
 	}
 
-	// Support: IE <= 11, FF <= 37, Android <= 2.3 only
-	// Above browsers do not support control.labels. Everything below is to support them
-	// as well as document fragments. control.labels does not work on document fragments
+	// If `control.labels` is empty - e.g. inside of document fragments - find
+	// the labels manually
 	labels = this.eq( 0 ).parents( "label" );
 
 	// Look for the label based on the id
@@ -58,7 +57,7 @@ return $.fn.labels = function() {
 		ancestors = ancestor.add( ancestor.length ? ancestor.siblings() : this.siblings() );
 
 		// Create a selector for the label based on the id
-		selector = "label[for='" + $.escapeSelector( id ) + "']";
+		selector = "label[for='" + CSS.escape( id ) + "']";
 
 		labels = labels.add( ancestors.find( selector ).addBack( selector ) );
 
diff --git a/vendor/assets/javascripts/jquery-ui/position.js b/vendor/assets/javascripts/jquery-ui/position.js
index 062e2011987..d6539328008 100644
--- a/vendor/assets/javascripts/jquery-ui/position.js
+++ b/vendor/assets/javascripts/jquery-ui/position.js
@@ -1,7 +1,7 @@
 //= require jquery-ui/version
 
 /*!
- * jQuery UI Position 1.13.3
+ * jQuery UI Position 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
diff --git a/vendor/assets/javascripts/jquery-ui/safe-active-element.js b/vendor/assets/javascripts/jquery-ui/safe-active-element.js
deleted file mode 100644
index 101fe1fcc56..00000000000
--- a/vendor/assets/javascripts/jquery-ui/safe-active-element.js
+++ /dev/null
@@ -1,46 +0,0 @@
-//= require jquery-ui/version
-
-( function( factory ) {
-	"use strict";
-
-	if ( typeof define === "function" && define.amd ) {
-
-		// AMD. Register as an anonymous module.
-		define( [ "jquery", "./version" ], factory );
-	} else {
-
-		// Browser globals
-		factory( jQuery );
-	}
-} )( function( $ ) {
-"use strict";
-
-return $.ui.safeActiveElement = function( document ) {
-	var activeElement;
-
-	// Support: IE 9 only
-	// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
-	try {
-		activeElement = document.activeElement;
-	} catch ( error ) {
-		activeElement = document.body;
-	}
-
-	// Support: IE 9 - 11 only
-	// IE may return null instead of an element
-	// Interestingly, this only seems to occur when NOT in an iframe
-	if ( !activeElement ) {
-		activeElement = document.body;
-	}
-
-	// Support: IE 11 only
-	// IE11 returns a seemingly empty object in some cases when accessing
-	// document.activeElement from an <iframe>
-	if ( !activeElement.nodeName ) {
-		activeElement = document.body;
-	}
-
-	return activeElement;
-};
-
-} );
diff --git a/vendor/assets/javascripts/jquery-ui/safe-blur.js b/vendor/assets/javascripts/jquery-ui/safe-blur.js
deleted file mode 100644
index 65609f5be93..00000000000
--- a/vendor/assets/javascripts/jquery-ui/safe-blur.js
+++ /dev/null
@@ -1,27 +0,0 @@
-//= require jquery-ui/version
-
-( function( factory ) {
-	"use strict";
-
-	if ( typeof define === "function" && define.amd ) {
-
-		// AMD. Register as an anonymous module.
-		define( [ "jquery", "./version" ], factory );
-	} else {
-
-		// Browser globals
-		factory( jQuery );
-	}
-} )( function( $ ) {
-"use strict";
-
-return $.ui.safeBlur = function( element ) {
-
-	// Support: IE9 - 10 only
-	// If the <body> is blurred, IE will switch windows, see #9420
-	if ( element && element.nodeName.toLowerCase() !== "body" ) {
-		$( element ).trigger( "blur" );
-	}
-};
-
-} );
diff --git a/vendor/assets/javascripts/jquery-ui/scroll-parent.js b/vendor/assets/javascripts/jquery-ui/scroll-parent.js
index 33c3afffe29..75d07cfee34 100644
--- a/vendor/assets/javascripts/jquery-ui/scroll-parent.js
+++ b/vendor/assets/javascripts/jquery-ui/scroll-parent.js
@@ -1,7 +1,7 @@
 //= require jquery-ui/version
 
 /*!
- * jQuery UI Scroll Parent 1.13.3
+ * jQuery UI Scroll Parent 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
diff --git a/vendor/assets/javascripts/jquery-ui/tabbable.js b/vendor/assets/javascripts/jquery-ui/tabbable.js
index 3a6a5eac2e2..4929f7b4e2c 100644
--- a/vendor/assets/javascripts/jquery-ui/tabbable.js
+++ b/vendor/assets/javascripts/jquery-ui/tabbable.js
@@ -2,7 +2,7 @@
 //= require jquery-ui/focusable
 
 /*!
- * jQuery UI Tabbable 1.13.3
+ * jQuery UI Tabbable 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
diff --git a/vendor/assets/javascripts/jquery-ui/unique-id.js b/vendor/assets/javascripts/jquery-ui/unique-id.js
index b17fb19768b..543da1c6cc4 100644
--- a/vendor/assets/javascripts/jquery-ui/unique-id.js
+++ b/vendor/assets/javascripts/jquery-ui/unique-id.js
@@ -1,7 +1,7 @@
 //= require jquery-ui/version
 
 /*!
- * jQuery UI Unique ID 1.13.3
+ * jQuery UI Unique ID 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
diff --git a/vendor/assets/javascripts/jquery-ui/version.js b/vendor/assets/javascripts/jquery-ui/version.js
index d0deabdb446..56c4a0127d5 100644
--- a/vendor/assets/javascripts/jquery-ui/version.js
+++ b/vendor/assets/javascripts/jquery-ui/version.js
@@ -15,6 +15,6 @@
 
 $.ui = $.ui || {};
 
-return $.ui.version = "1.13.3";
+return $.ui.version = "1.14.1";
 
 } );
diff --git a/vendor/assets/javascripts/jquery-ui/widget.js b/vendor/assets/javascripts/jquery-ui/widget.js
index 4e97f89cfdb..89dff1ad051 100644
--- a/vendor/assets/javascripts/jquery-ui/widget.js
+++ b/vendor/assets/javascripts/jquery-ui/widget.js
@@ -1,7 +1,7 @@
 //= require jquery-ui/version
 
 /*!
- * jQuery UI Widget 1.13.3
+ * jQuery UI Widget 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -58,6 +58,9 @@ $.widget = function( name, base, prototype ) {
 
 	var namespace = name.split( "." )[ 0 ];
 	name = name.split( "." )[ 1 ];
+	if ( name === "__proto__" || name === "constructor" ) {
+		return $.error( "Invalid widget name: " + name );
+	}
 	var fullName = namespace + "-" + name;
 
 	if ( !prototype ) {
diff --git a/vendor/assets/javascripts/jquery-ui/widgets/button.js b/vendor/assets/javascripts/jquery-ui/widgets/button.js
index d7e6b063135..6aee8780aee 100644
--- a/vendor/assets/javascripts/jquery-ui/widgets/button.js
+++ b/vendor/assets/javascripts/jquery-ui/widgets/button.js
@@ -4,7 +4,7 @@
 //= require jquery-ui/widget
 
 /*!
- * jQuery UI Button 1.13.3
+ * jQuery UI Button 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -47,7 +47,7 @@
 "use strict";
 
 $.widget( "ui.button", {
-	version: "1.13.3",
+	version: "1.14.1",
 	defaultElement: "<button>",
 	options: {
 		classes: {
@@ -114,9 +114,9 @@ $.widget( "ui.button", {
 					if ( event.keyCode === $.ui.keyCode.SPACE ) {
 						event.preventDefault();
 
-						// Support: PhantomJS <= 1.9, IE 8 Only
-						// If a native click is available use it so we actually cause navigation
-						// otherwise just trigger a click event
+						// If a native click is available use it, so we
+						// actually cause navigation. Otherwise, just trigger
+						// a click event.
 						if ( this.element[ 0 ].click ) {
 							this.element[ 0 ].click();
 						} else {
@@ -292,7 +292,7 @@ $.widget( "ui.button", {
 } );
 
 // DEPRECATED
-if ( $.uiBackCompat !== false ) {
+if ( $.uiBackCompat === true ) {
 
 	// Text and Icons options
 	$.widget( "ui.button", $.ui.button, {
diff --git a/vendor/assets/javascripts/jquery-ui/widgets/checkboxradio.js b/vendor/assets/javascripts/jquery-ui/widgets/checkboxradio.js
index 290ba10df17..210a74b5869 100644
--- a/vendor/assets/javascripts/jquery-ui/widgets/checkboxradio.js
+++ b/vendor/assets/javascripts/jquery-ui/widgets/checkboxradio.js
@@ -3,7 +3,7 @@
 //= require jquery-ui/widget
 
 /*!
- * jQuery UI Checkboxradio 1.13.3
+ * jQuery UI Checkboxradio 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -42,7 +42,7 @@
 "use strict";
 
 $.widget( "ui.checkboxradio", [ $.ui.formResetMixin, {
-	version: "1.13.3",
+	version: "1.14.1",
 	options: {
 		disabled: null,
 		label: null,
@@ -160,7 +160,7 @@ $.widget( "ui.checkboxradio", [ $.ui.formResetMixin, {
 	_getRadioGroup: function() {
 		var group;
 		var name = this.element[ 0 ].name;
-		var nameSelector = "input[name='" + $.escapeSelector( name ) + "']";
+		var nameSelector = "input[name='" + CSS.escape( name ) + "']";
 
 		if ( !name ) {
 			return $( [] );
@@ -172,7 +172,7 @@ $.widget( "ui.checkboxradio", [ $.ui.formResetMixin, {
 
 			// Not inside a form, check all inputs that also are not inside a form
 			group = $( nameSelector ).filter( function() {
-				return $( this )._form().length === 0;
+				return $( $( this ).prop( "form" ) ).length === 0;
 			} );
 		}
 
diff --git a/vendor/assets/javascripts/jquery-ui/widgets/controlgroup.js b/vendor/assets/javascripts/jquery-ui/widgets/controlgroup.js
index 96a80d78531..77304134c91 100644
--- a/vendor/assets/javascripts/jquery-ui/widgets/controlgroup.js
+++ b/vendor/assets/javascripts/jquery-ui/widgets/controlgroup.js
@@ -1,7 +1,7 @@
 //= require jquery-ui/widget
 
 /*!
- * jQuery UI Controlgroup 1.13.3
+ * jQuery UI Controlgroup 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -39,7 +39,7 @@
 var controlgroupCornerRegex = /ui-corner-([a-z]){2,6}/g;
 
 return $.widget( "ui.controlgroup", {
-	version: "1.13.3",
+	version: "1.14.1",
 	defaultElement: "<div>",
 	options: {
 		direction: "horizontal",
diff --git a/vendor/assets/javascripts/jquery-ui/widgets/datepicker.js b/vendor/assets/javascripts/jquery-ui/widgets/datepicker.js
index 6836b043a53..18b601788e8 100644
--- a/vendor/assets/javascripts/jquery-ui/widgets/datepicker.js
+++ b/vendor/assets/javascripts/jquery-ui/widgets/datepicker.js
@@ -3,7 +3,7 @@
 
 /* eslint-disable max-len, camelcase */
 /*!
- * jQuery UI Datepicker 1.13.3
+ * jQuery UI Datepicker 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -39,7 +39,7 @@
 } )( function( $ ) {
 "use strict";
 
-$.extend( $.ui, { datepicker: { version: "1.13.3" } } );
+$.extend( $.ui, { datepicker: { version: "1.14.1" } } );
 
 var datepicker_instActive;
 
@@ -438,6 +438,7 @@ $.extend( Datepicker.prototype, {
 			$target.removeClass( this.markerClassName ).empty();
 		}
 
+		$.datepicker._hideDatepicker();
 		if ( datepicker_instActive === inst ) {
 			datepicker_instActive = null;
 			this._curInst = null;
@@ -913,11 +914,8 @@ $.extend( Datepicker.prototype, {
 		}
 	},
 
-	// #6694 - don't focus the input if it's already focused
-	// this breaks the change event in IE
-	// Support: IE and jQuery <1.9
 	_shouldFocusInput: function( inst ) {
-		return inst.input && inst.input.is( ":visible" ) && !inst.input.is( ":disabled" ) && !inst.input.is( ":focus" );
+		return inst.input && inst.input.is( ":visible" ) && !inst.input.is( ":disabled" );
 	},
 
 	/* Check positioning to remain on screen. */
@@ -974,8 +972,7 @@ $.extend( Datepicker.prototype, {
 				$.datepicker._tidyDialog( inst );
 			};
 
-			// DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
-			if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) ) {
+			if ( $.effects && ( $.effects.effect[ showAnim ] ) ) {
 				inst.dpDiv.hide( showAnim, $.datepicker._get( inst, "showOptions" ), duration, postProcess );
 			} else {
 				inst.dpDiv[ ( showAnim === "slideDown" ? "slideUp" :
@@ -2236,7 +2233,7 @@ $.fn.datepicker = function( options ) {
 $.datepicker = new Datepicker(); // singleton instance
 $.datepicker.initialized = false;
 $.datepicker.uuid = new Date().getTime();
-$.datepicker.version = "1.13.3";
+$.datepicker.version = "1.14.1";
 
 return $.datepicker;
 
diff --git a/vendor/assets/javascripts/jquery-ui/widgets/dialog.js b/vendor/assets/javascripts/jquery-ui/widgets/dialog.js
index 9a4cb73abb8..33f6ab1b5b3 100644
--- a/vendor/assets/javascripts/jquery-ui/widgets/dialog.js
+++ b/vendor/assets/javascripts/jquery-ui/widgets/dialog.js
@@ -5,15 +5,13 @@
 //= require jquery-ui/focusable
 //= require jquery-ui/keycode
 //= require jquery-ui/position
-//= require jquery-ui/safe-active-element
-//= require jquery-ui/safe-blur
 //= require jquery-ui/tabbable
 //= require jquery-ui/unique-id
 //= require jquery-ui/version
 //= require jquery-ui/widget
 
 /*!
- * jQuery UI Dialog 1.13.3
+ * jQuery UI Dialog 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -45,8 +43,6 @@
 			"../focusable",
 			"../keycode",
 			"../position",
-			"../safe-active-element",
-			"../safe-blur",
 			"../tabbable",
 			"../unique-id",
 			"../version",
@@ -61,7 +57,7 @@
 "use strict";
 
 $.widget( "ui.dialog", {
-	version: "1.13.3",
+	version: "1.14.1",
 	options: {
 		appendTo: "body",
 		autoOpen: true,
@@ -97,6 +93,7 @@ $.widget( "ui.dialog", {
 		resizable: true,
 		show: null,
 		title: null,
+		uiDialogTitleHeadingLevel: 0,
 		width: 300,
 
 		// Callbacks
@@ -243,7 +240,7 @@ $.widget( "ui.dialog", {
 			// Hiding a focused element doesn't trigger blur in WebKit
 			// so in case we have nothing to focus on, explicitly blur the active element
 			// https://bugs.webkit.org/show_bug.cgi?id=47182
-			$.ui.safeBlur( $.ui.safeActiveElement( this.document[ 0 ] ) );
+			$( this.document[ 0 ].activeElement ).trigger( "blur" );
 		}
 
 		this._hide( this.uiDialog, this.options.hide, function() {
@@ -287,7 +284,7 @@ $.widget( "ui.dialog", {
 		}
 
 		this._isOpen = true;
-		this.opener = $( $.ui.safeActiveElement( this.document[ 0 ] ) );
+		this.opener = $( this.document[ 0 ].activeElement );
 
 		this._size();
 		this._position();
@@ -343,7 +340,7 @@ $.widget( "ui.dialog", {
 	},
 
 	_restoreTabbableFocus: function() {
-		var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
+		var activeElement = this.document[ 0 ].activeElement,
 			isActive = this.uiDialog[ 0 ] === activeElement ||
 				$.contains( this.uiDialog[ 0 ], activeElement );
 		if ( !isActive ) {
@@ -354,11 +351,6 @@ $.widget( "ui.dialog", {
 	_keepFocus: function( event ) {
 		event.preventDefault();
 		this._restoreTabbableFocus();
-
-		// support: IE
-		// IE <= 8 doesn't prevent moving focus even with event.preventDefault()
-		// so we check again later
-		this._delay( this._restoreTabbableFocus );
 	},
 
 	_createWrapper: function() {
@@ -368,7 +360,8 @@ $.widget( "ui.dialog", {
 
 				// Setting tabIndex makes the div focusable
 				tabIndex: -1,
-				role: "dialog"
+				role: "dialog",
+				"aria-modal": this.options.modal ? "true" : null
 			} )
 			.appendTo( this._appendTo() );
 
@@ -441,9 +434,6 @@ $.widget( "ui.dialog", {
 			}
 		} );
 
-		// Support: IE
-		// Use type="button" to prevent enter keypresses in textboxes from closing the
-		// dialog in IE (#9312)
 		this.uiDialogTitlebarClose = $( "<button type='button'></button>" )
 			.button( {
 				label: $( "<a>" ).text( this.options.closeText ).html(),
@@ -460,7 +450,13 @@ $.widget( "ui.dialog", {
 			}
 		} );
 
-		uiDialogTitle = $( "<span>" ).uniqueId().prependTo( this.uiDialogTitlebar );
+		var uiDialogHeadingLevel = Number.isInteger( this.options.uiDialogTitleHeadingLevel ) &&
+			this.options.uiDialogTitleHeadingLevel > 0 &&
+			this.options.uiDialogTitleHeadingLevel <= 6 ?
+			"h" + this.options.uiDialogTitleHeadingLevel : "span";
+
+		uiDialogTitle = $( "<" + uiDialogHeadingLevel + ">" )
+			.uniqueId().prependTo( this.uiDialogTitlebar );
 		this._addClass( uiDialogTitle, "ui-dialog-title" );
 		this._title( uiDialogTitle );
 
@@ -786,6 +782,10 @@ $.widget( "ui.dialog", {
 		if ( key === "title" ) {
 			this._title( this.uiDialogTitlebar.find( ".ui-dialog-title" ) );
 		}
+
+		if ( key === "modal" ) {
+			uiDialog.attr( "aria-modal", value ? "true" : null );
+		}
 	},
 
 	_size: function() {
@@ -871,8 +871,6 @@ $.widget( "ui.dialog", {
 			return;
 		}
 
-		var jqMinor = $.fn.jquery.substring( 0, 4 );
-
 		// We use a delay in case the overlay is created from an
 		// event that we're going to be cancelling (#2804)
 		var isOpening = true;
@@ -894,18 +892,6 @@ $.widget( "ui.dialog", {
 				if ( !instance._allowInteraction( event ) ) {
 					event.preventDefault();
 					instance._focusTabbable();
-
-					// Support: jQuery >=3.4 <3.7 only
-					// In jQuery 3.4-3.6, there are multiple issues with focus/blur
-					// trigger chains or when triggering is done on a hidden element
-					// at least once.
-					// Trigger focus in a delay in addition if needed to avoid the issues.
-					// See https://github.com/jquery/jquery/issues/4382
-					// See https://github.com/jquery/jquery/issues/4856
-					// See https://github.com/jquery/jquery/issues/4950
-					if ( jqMinor === "3.4." || jqMinor === "3.5." || jqMinor === "3.6." ) {
-						instance._delay( instance._restoreTabbableFocus );
-					}
 				}
 			}.bind( this ) );
 		}
@@ -944,7 +930,7 @@ $.widget( "ui.dialog", {
 
 // DEPRECATED
 // TODO: switch return back to widget declaration at top of file when this is removed
-if ( $.uiBackCompat !== false ) {
+if ( $.uiBackCompat === true ) {
 
 	// Backcompat for dialogClass option
 	$.widget( "ui.dialog", $.ui.dialog, {
diff --git a/vendor/assets/javascripts/jquery-ui/widgets/draggable.js b/vendor/assets/javascripts/jquery-ui/widgets/draggable.js
index d15c3c2583f..25656859292 100644
--- a/vendor/assets/javascripts/jquery-ui/widgets/draggable.js
+++ b/vendor/assets/javascripts/jquery-ui/widgets/draggable.js
@@ -1,14 +1,12 @@
 //= require jquery-ui/widgets/mouse
 //= require jquery-ui/data
 //= require jquery-ui/plugin
-//= require jquery-ui/safe-active-element
-//= require jquery-ui/safe-blur
 //= require jquery-ui/scroll-parent
 //= require jquery-ui/version
 //= require jquery-ui/widget
 
 /*!
- * jQuery UI Draggable 1.13.3
+ * jQuery UI Draggable 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -34,8 +32,6 @@
 			"./mouse",
 			"../data",
 			"../plugin",
-			"../safe-active-element",
-			"../safe-blur",
 			"../scroll-parent",
 			"../version",
 			"../widget"
@@ -49,7 +45,7 @@
 "use strict";
 
 $.widget( "ui.draggable", $.ui.mouse, {
-	version: "1.13.3",
+	version: "1.14.1",
 	widgetEventPrefix: "drag",
 	options: {
 		addClasses: true,
@@ -156,7 +152,7 @@ $.widget( "ui.draggable", $.ui.mouse, {
 	},
 
 	_blurActiveElement: function( event ) {
-		var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
+		var activeElement = this.document[ 0 ].activeElement,
 			target = $( event.target );
 
 		// Don't blur if the event occurred on an element that is within
@@ -167,7 +163,7 @@ $.widget( "ui.draggable", $.ui.mouse, {
 		}
 
 		// Blur any element that currently has focus, see #4261
-		$.ui.safeBlur( activeElement );
+		$( activeElement ).trigger( "blur" );
 	},
 
 	_mouseStart: function( event ) {
diff --git a/vendor/assets/javascripts/jquery-ui/widgets/mouse.js b/vendor/assets/javascripts/jquery-ui/widgets/mouse.js
index f957075aa23..92b69671e66 100644
--- a/vendor/assets/javascripts/jquery-ui/widgets/mouse.js
+++ b/vendor/assets/javascripts/jquery-ui/widgets/mouse.js
@@ -1,9 +1,8 @@
-//= require jquery-ui/ie
 //= require jquery-ui/version
 //= require jquery-ui/widget
 
 /*!
- * jQuery UI Mouse 1.13.3
+ * jQuery UI Mouse 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -24,7 +23,6 @@
 		// AMD. Register as an anonymous module.
 		define( [
 			"jquery",
-			"../ie",
 			"../version",
 			"../widget"
 		], factory );
@@ -42,7 +40,7 @@ $( document ).on( "mouseup", function() {
 } );
 
 return $.widget( "ui.mouse", {
-	version: "1.13.3",
+	version: "1.14.1",
 	options: {
 		cancel: "input, textarea, button, select, option",
 		distance: 1,
@@ -94,12 +92,10 @@ return $.widget( "ui.mouse", {
 		this._mouseDownEvent = event;
 
 		var that = this,
-			btnIsLeft = ( event.which === 1 ),
-
-			// event.target.nodeName works around a bug in IE 8 with
-			// disabled inputs (#7620)
-			elIsCancel = ( typeof this.options.cancel === "string" && event.target.nodeName ?
-				$( event.target ).closest( this.options.cancel ).length : false );
+			btnIsLeft = event.which === 1,
+			elIsCancel = typeof this.options.cancel === "string" ?
+				$( event.target ).closest( this.options.cancel ).length :
+				false;
 		if ( !btnIsLeft || elIsCancel || !this._mouseCapture( event ) ) {
 			return true;
 		}
@@ -145,28 +141,17 @@ return $.widget( "ui.mouse", {
 	_mouseMove: function( event ) {
 
 		// Only check for mouseups outside the document if you've moved inside the document
-		// at least once. This prevents the firing of mouseup in the case of IE<9, which will
-		// fire a mousemove event if content is placed under the cursor. See #7778
-		// Support: IE <9
-		if ( this._mouseMoved ) {
-
-			// IE mouseup check - mouseup happened when mouse was out of window
-			if ( $.ui.ie && ( !document.documentMode || document.documentMode < 9 ) &&
-					!event.button ) {
+		// at least once.
+		if ( this._mouseMoved && !event.which ) {
+
+			// Support: Safari <=8 - 9
+			// Safari sets which to 0 if you press any of the following keys
+			// during a drag (#14461)
+			if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
+					event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
+				this.ignoreMissingWhich = true;
+			} else if ( !this.ignoreMissingWhich ) {
 				return this._mouseUp( event );
-
-			// Iframe mouseup check - mouseup occurred in another document
-			} else if ( !event.which ) {
-
-				// Support: Safari <=8 - 9
-				// Safari sets which to 0 if you press any of the following keys
-				// during a drag (#14461)
-				if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
-						event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
-					this.ignoreMissingWhich = true;
-				} else if ( !this.ignoreMissingWhich ) {
-					return this._mouseUp( event );
-				}
 			}
 		}
 
diff --git a/vendor/assets/javascripts/jquery-ui/widgets/resizable.js b/vendor/assets/javascripts/jquery-ui/widgets/resizable.js
index b1f8babe086..fd7e909e181 100644
--- a/vendor/assets/javascripts/jquery-ui/widgets/resizable.js
+++ b/vendor/assets/javascripts/jquery-ui/widgets/resizable.js
@@ -5,7 +5,7 @@
 //= require jquery-ui/widget
 
 /*!
- * jQuery UI Resizable 1.13.3
+ * jQuery UI Resizable 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -45,7 +45,7 @@
 "use strict";
 
 $.widget( "ui.resizable", $.ui.mouse, {
-	version: "1.13.3",
+	version: "1.14.1",
 	widgetEventPrefix: "resize",
 	options: {
 		alsoResize: false,
@@ -86,12 +86,18 @@ $.widget( "ui.resizable", $.ui.mouse, {
 
 	_hasScroll: function( el, a ) {
 
-		if ( $( el ).css( "overflow" ) === "hidden" ) {
+		var scroll,
+			has = false,
+			overflow = $( el ).css( "overflow" );
+
+		if ( overflow === "hidden" ) {
 			return false;
 		}
+		if ( overflow === "scroll" ) {
+			return true;
+		}
 
-		var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop",
-			has = false;
+		scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop";
 
 		if ( el[ scroll ] > 0 ) {
 			return true;
@@ -155,9 +161,8 @@ $.widget( "ui.resizable", $.ui.mouse, {
 			};
 
 			this.element.css( margins );
-			this.originalElement.css( "margin", 0 );
 
-			// support: Safari
+			// Support: Safari
 			// Prevent Safari textarea resize
 			this.originalResizeStyle = this.originalElement.css( "resize" );
 			this.originalElement.css( "resize", "none" );
@@ -168,10 +173,6 @@ $.widget( "ui.resizable", $.ui.mouse, {
 				display: "block"
 			} ) );
 
-			// Support: IE9
-			// avoid IE jump (hard set the margin)
-			this.originalElement.css( margins );
-
 			this._proportionallyResize();
 		}
 
@@ -373,7 +374,7 @@ $.widget( "ui.resizable", $.ui.mouse, {
 
 	_mouseStart: function( event ) {
 
-		var curleft, curtop, cursor,
+		var curleft, curtop, cursor, calculatedSize,
 			o = this.options,
 			el = this.element;
 
@@ -392,20 +393,24 @@ $.widget( "ui.resizable", $.ui.mouse, {
 		this.offset = this.helper.offset();
 		this.position = { left: curleft, top: curtop };
 
+		if ( !this._helper ) {
+			calculatedSize = this._calculateAdjustedElementDimensions( el );
+		}
+
 		this.size = this._helper ? {
 				width: this.helper.width(),
 				height: this.helper.height()
 			} : {
-				width: el.width(),
-				height: el.height()
+				width: calculatedSize.width,
+				height: calculatedSize.height
 			};
 
 		this.originalSize = this._helper ? {
 				width: el.outerWidth(),
 				height: el.outerHeight()
 			} : {
-				width: el.width(),
-				height: el.height()
+				width: calculatedSize.width,
+				height: calculatedSize.height
 			};
 
 		this.sizeDiff = {
@@ -701,6 +706,52 @@ $.widget( "ui.resizable", $.ui.mouse, {
 		};
 	},
 
+	_calculateAdjustedElementDimensions: function( element ) {
+		var elWidth, elHeight, paddingBorder,
+			ce = element.get( 0 );
+
+		if ( element.css( "box-sizing" ) !== "content-box" ||
+			( !this._hasScroll( ce ) && !this._hasScroll( ce, "left" ) ) ) {
+				return {
+					height: parseFloat( element.css( "height" ) ),
+					width: parseFloat( element.css( "width" ) )
+				};
+		}
+
+		// Check if CSS inline styles are set and use those (usually from previous resizes)
+		elWidth = parseFloat( ce.style.width );
+		elHeight = parseFloat( ce.style.height );
+
+		paddingBorder = this._getPaddingPlusBorderDimensions( element );
+		elWidth = isNaN( elWidth ) ?
+			this._getElementTheoreticalSize( element, paddingBorder, "width" ) :
+			elWidth;
+		elHeight = isNaN( elHeight ) ?
+			this._getElementTheoreticalSize( element, paddingBorder, "height" ) :
+			elHeight;
+
+		return {
+			height: elHeight,
+			width: elWidth
+		};
+	},
+
+	_getElementTheoreticalSize: function( element, extraSize, dimension ) {
+
+		// offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
+		var size = Math.max( 0, Math.ceil(
+			element.get( 0 )[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
+			extraSize[ dimension ] -
+			0.5
+
+		// If offsetWidth/offsetHeight is unknown, then we can't determine theoretical size.
+		// Use an explicit zero to avoid NaN.
+		// See https://github.com/jquery/jquery/issues/3964
+		) ) || 0;
+
+		return size;
+	},
+
 	_proportionallyResize: function() {
 
 		if ( !this._proportionallyResizeElements.length ) {
@@ -1055,9 +1106,11 @@ $.ui.plugin.add( "resizable", "alsoResize", {
 			o = that.options;
 
 		$( o.alsoResize ).each( function() {
-			var el = $( this );
+			var el = $( this ),
+				elSize = that._calculateAdjustedElementDimensions( el );
+
 			el.data( "ui-resizable-alsoresize", {
-				width: parseFloat( el.css( "width" ) ), height: parseFloat( el.css( "height" ) ),
+				width: elSize.width, height: elSize.height,
 				left: parseFloat( el.css( "left" ) ), top: parseFloat( el.css( "top" ) )
 			} );
 		} );
@@ -1119,7 +1172,7 @@ $.ui.plugin.add( "resizable", "ghost", {
 
 		// DEPRECATED
 		// TODO: remove after 1.12
-		if ( $.uiBackCompat !== false && typeof that.options.ghost === "string" ) {
+		if ( $.uiBackCompat === true && typeof that.options.ghost === "string" ) {
 
 			// Ghost option
 			that.ghost.addClass( this.options.ghost );
diff --git a/vendor/assets/javascripts/jquery-ui/widgets/sortable.js b/vendor/assets/javascripts/jquery-ui/widgets/sortable.js
index f849c57b53c..94e07bb6a7c 100644
--- a/vendor/assets/javascripts/jquery-ui/widgets/sortable.js
+++ b/vendor/assets/javascripts/jquery-ui/widgets/sortable.js
@@ -1,12 +1,11 @@
 //= require jquery-ui/widgets/mouse
 //= require jquery-ui/data
-//= require jquery-ui/ie
 //= require jquery-ui/scroll-parent
 //= require jquery-ui/version
 //= require jquery-ui/widget
 
 /*!
- * jQuery UI Sortable 1.13.3
+ * jQuery UI Sortable 1.14.1
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -31,7 +30,6 @@
 			"jquery",
 			"./mouse",
 			"../data",
-			"../ie",
 			"../scroll-parent",
 			"../version",
 			"../widget"
@@ -45,7 +43,7 @@
 "use strict";
 
 return $.widget( "ui.sortable", $.ui.mouse, {
-	version: "1.13.3",
+	version: "1.14.1",
 	widgetEventPrefix: "sort",
 	ready: false,
 	options: {
@@ -283,11 +281,7 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 		if ( o.cursor && o.cursor !== "auto" ) { // cursor option
 			body = this.document.find( "body" );
 
-			// Support: IE
-			this.storedCursor = body.css( "cursor" );
-			body.css( "cursor", o.cursor );
-
-			this.storedStylesheet =
+			this._storedStylesheet =
 				$( "<style>*{ cursor: " + o.cursor + " !important; }</style>" ).appendTo( body );
 		}
 
@@ -1204,11 +1198,9 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 			po.top += this.scrollParent.scrollTop();
 		}
 
-		// This needs to be actually done for all browsers, since pageX/pageY includes this
-		// information with an ugly IE fix
-		if ( this.offsetParent[ 0 ] === this.document[ 0 ].body ||
-				( this.offsetParent[ 0 ].tagName &&
-				this.offsetParent[ 0 ].tagName.toLowerCase() === "html" && $.ui.ie ) ) {
+		// This needs to be actually done for all browsers, since pageX/pageY includes
+		// this information.
+		if ( this.offsetParent[ 0 ] === this.document[ 0 ].body ) {
 			po = { top: 0, left: 0 };
 		}
 
@@ -1556,9 +1548,9 @@ return $.widget( "ui.sortable", $.ui.mouse, {
 		}
 
 		//Do what was originally in plugins
-		if ( this.storedCursor ) {
-			this.document.find( "body" ).css( "cursor", this.storedCursor );
-			this.storedStylesheet.remove();
+		if ( this._storedStylesheet ) {
+			this._storedStylesheet.remove();
+			this._storedStylesheet = null;
 		}
 		if ( this._storedOpacity ) {
 			this.helper.css( "opacity", this._storedOpacity );
diff --git a/vendor/assets/javascripts/jquery-ui/widgets/tabs.js b/vendor/assets/javascripts/jquery-ui/widgets/tabs.js
index 468b80fb508..c7e45833f72 100644
--- a/vendor/assets/javascripts/jquery-ui/widgets/tabs.js
+++ b/vendor/assets/javascripts/jquery-ui/widgets/tabs.js
@@ -1,11 +1,10 @@
 //= require jquery-ui/keycode
-//= require jquery-ui/safe-active-element
 //= require jquery-ui/unique-id
 //= require jquery-ui/version
 //= require jquery-ui/widget
 
 /*!
- * jQuery UI Tabs 1.13.3
+ * jQuery UI Tabs @VERSION
  * https://jqueryui.com
  *
  * Copyright OpenJS Foundation and other contributors
@@ -31,7 +30,6 @@
 		define( [
 			"jquery",
 			"../keycode",
-			"../safe-active-element",
 			"../unique-id",
 			"../version",
 			"../widget"
@@ -45,7 +43,7 @@
 "use strict";
 
 $.widget( "ui.tabs", {
-	version: "1.13.3",
+	version: "@VERSION",
 	delay: 300,
 	options: {
 		active: null,
@@ -68,26 +66,19 @@ $.widget( "ui.tabs", {
 		load: null
 	},
 
-	_isLocal: ( function() {
-		var rhash = /#.*$/;
+	_isLocal: function( anchor ) {
+		var anchorUrl = new URL( anchor.href ),
+			locationUrl = new URL( location.href );
 
-		return function( anchor ) {
-			var anchorUrl, locationUrl;
+		return anchor.hash.length > 1 &&
 
-			anchorUrl = anchor.href.replace( rhash, "" );
-			locationUrl = location.href.replace( rhash, "" );
-
-			// Decoding may throw an error if the URL isn't UTF-8 (#9518)
-			try {
-				anchorUrl = decodeURIComponent( anchorUrl );
-			} catch ( error ) {}
-			try {
-				locationUrl = decodeURIComponent( locationUrl );
-			} catch ( error ) {}
-
-			return anchor.hash.length > 1 && anchorUrl === locationUrl;
-		};
-	} )(),
+			// `href` may contain a hash but also username & password;
+			// we want to ignore them, so we check the three fields
+			// below instead.
+			anchorUrl.origin === locationUrl.origin &&
+			anchorUrl.pathname === locationUrl.pathname &&
+			anchorUrl.search === locationUrl.search;
+	},
 
 	_create: function() {
 		var that = this,
@@ -128,7 +119,8 @@ $.widget( "ui.tabs", {
 	_initialActive: function() {
 		var active = this.options.active,
 			collapsible = this.options.collapsible,
-			locationHash = location.hash.substring( 1 );
+			locationHash = location.hash.substring( 1 ),
+			locationHashDecoded = decodeURIComponent( locationHash );
 
 		if ( active === null ) {
 
@@ -140,6 +132,18 @@ $.widget( "ui.tabs", {
 						return false;
 					}
 				} );
+
+				// If not found, decode the hash & try again.
+				// See the comment in `_processTabs` under the `_isLocal` check
+				// for more information.
+				if ( active === null ) {
+					this.tabs.each( function( i, tab ) {
+						if ( $( tab ).attr( "aria-controls" ) === locationHashDecoded ) {
+							active = i;
+							return false;
+						}
+					} );
+				}
 			}
 
 			// Check for a tab marked active via a class
@@ -177,7 +181,7 @@ $.widget( "ui.tabs", {
 	},
 
 	_tabKeydown: function( event ) {
-		var focusedTab = $( $.ui.safeActiveElement( this.document[ 0 ] ) ).closest( "li" ),
+		var focusedTab = $( this.document[ 0 ].activeElement ).closest( "li" ),
 			selectedIndex = this.tabs.index( focusedTab ),
 			goingForward = true;
 
@@ -319,10 +323,6 @@ $.widget( "ui.tabs", {
 		}
 	},
 
-	_sanitizeSelector: function( hash ) {
-		return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, "\\$&" ) : "";
-	},
-
 	refresh: function() {
 		var options = this.options,
 			lis = this.tablist.children( ":has(a[href])" );
@@ -414,18 +414,6 @@ $.widget( "ui.tabs", {
 				if ( $( this ).is( ".ui-state-disabled" ) ) {
 					event.preventDefault();
 				}
-			} )
-
-			// Support: IE <9
-			// Preventing the default action in mousedown doesn't prevent IE
-			// from focusing the element, so if the anchor gets focused, blur.
-			// We don't have to worry about focusing the previously focused
-			// element since clicking on a non-focusable element should focus
-			// the body anyway.
-			.on( "focus" + this.eventNamespace, ".ui-tabs-anchor", function() {
-				if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
-					this.blur();
-				}
 			} );
 
 		this.tabs = this.tablist.find( "> li:has(a[href])" )
@@ -453,9 +441,24 @@ $.widget( "ui.tabs", {
 
 			// Inline tab
 			if ( that._isLocal( anchor ) ) {
+
+				// The "scrolling to a fragment" section of the HTML spec:
+				// https://html.spec.whatwg.org/#scrolling-to-a-fragment
+				// uses a concept of document's indicated part:
+				// https://html.spec.whatwg.org/#the-indicated-part-of-the-document
+				// Slightly below there's an algorithm to compute the indicated
+				// part:
+				// https://html.spec.whatwg.org/#the-indicated-part-of-the-document
+				// First, the algorithm tries the hash as-is, without decoding.
+				// Then, if one is not found, the same is attempted with a decoded
+				// hash. Replicate this logic.
 				selector = anchor.hash;
 				panelId = selector.substring( 1 );
-				panel = that.element.find( that._sanitizeSelector( selector ) );
+				panel = that.element.find( "#" + CSS.escape( panelId ) );
+				if ( !panel.length ) {
+					panelId = decodeURIComponent( panelId );
+					panel = that.element.find( "#" + CSS.escape( panelId ) );
+				}
 
 			// remote tab
 			} else {
@@ -741,7 +744,7 @@ $.widget( "ui.tabs", {
 		// meta-function to give users option to provide a href string instead of a numerical index.
 		if ( typeof index === "string" ) {
 			index = this.anchors.index( this.anchors.filter( "[href$='" +
-				$.escapeSelector( index ) + "']" ) );
+				CSS.escape( index ) + "']" ) );
 		}
 
 		return index;
@@ -863,32 +866,19 @@ $.widget( "ui.tabs", {
 
 		this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) );
 
-		// Support: jQuery <1.8
-		// jQuery <1.8 returns false if the request is canceled in beforeSend,
-		// but as of 1.8, $.ajax() always returns a jqXHR object.
-		if ( this.xhr && this.xhr.statusText !== "canceled" ) {
+		if ( this.xhr.statusText !== "canceled" ) {
 			this._addClass( tab, "ui-tabs-loading" );
 			panel.attr( "aria-busy", "true" );
 
 			this.xhr
 				.done( function( response, status, jqXHR ) {
+					panel.html( response );
+					that._trigger( "load", event, eventData );
 
-					// support: jQuery <1.8
-					// https://bugs.jquery.com/ticket/11778
-					setTimeout( function() {
-						panel.html( response );
-						that._trigger( "load", event, eventData );
-
-						complete( jqXHR, status );
-					}, 1 );
+					complete( jqXHR, status );
 				} )
 				.fail( function( jqXHR, status ) {
-
-					// support: jQuery <1.8
-					// https://bugs.jquery.com/ticket/11778
-					setTimeout( function() {
-						complete( jqXHR, status );
-					}, 1 );
+					complete( jqXHR, status );
 				} );
 		}
 	},
@@ -896,10 +886,7 @@ $.widget( "ui.tabs", {
 	_ajaxSettings: function( anchor, event, eventData ) {
 		var that = this;
 		return {
-
-			// Support: IE <11 only
-			// Strip any hash that exists to prevent errors with the Ajax request
-			url: anchor.attr( "href" ).replace( /#.*$/, "" ),
+			url: anchor.attr( "href" ),
 			beforeSend: function( jqXHR, settings ) {
 				return that._trigger( "beforeLoad", event,
 					$.extend( { jqXHR: jqXHR, ajaxSettings: settings }, eventData ) );
@@ -909,13 +896,13 @@ $.widget( "ui.tabs", {
 
 	_getPanelForTab: function( tab ) {
 		var id = $( tab ).attr( "aria-controls" );
-		return this.element.find( this._sanitizeSelector( "#" + id ) );
+		return this.element.find( "#" + CSS.escape( id ) );
 	}
 } );
 
 // DEPRECATED
 // TODO: Switch return back to widget declaration at top of file when this is removed
-if ( $.uiBackCompat !== false ) {
+if ( $.uiBackCompat === true ) {
 
 	// Backcompat for ui-tab class (now ui-tabs-tab)
 	$.widget( "ui.tabs", $.ui.tabs, {
diff --git a/yarn.lock b/yarn.lock
index 3684c80e1d6..15177248ee7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2185,19 +2185,19 @@ jest-worker@^26.2.1:
     merge-stream "^2.0.0"
     supports-color "^7.0.0"
 
-jquery-ui@^1.13.3:
-  version "1.13.3"
-  resolved "https://registry.yarnpkg.com/jquery-ui/-/jquery-ui-1.13.3.tgz#d9f5292b2857fa1f2fdbbe8f2e66081664eb9bc5"
-  integrity sha512-D2YJfswSJRh/B8M/zCowDpNFfwsDmtfnMPwjJTyvl+CBqzpYwQ+gFYIbUUlzijy/Qvoy30H1YhoSui4MNYpRwA==
+jquery-ui@^1.14.1:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/jquery-ui/-/jquery-ui-1.14.1.tgz#ba342ea3ffff662b787595391f607d923313e040"
+  integrity sha512-DhzsYH8VeIvOaxwi+B/2BCsFFT5EGjShdzOcm5DssWjtcpGWIMsn66rJciDA6jBruzNiLf1q0KvwMoX1uGNvnQ==
   dependencies:
-    jquery ">=1.8.0 <4.0.0"
+    jquery ">=1.12.0 <5.0.0"
 
 jquery-ujs@^1.2.2:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/jquery-ujs/-/jquery-ujs-1.2.3.tgz#dcac6026ab7268e5ee41faf9d31c997cd4ddd603"
   integrity sha512-59wvfx5vcCTHMeQT1/OwFiAj+UffLIwjRIoXdpO7Z7BCFGepzq9T9oLVeoItjTqjoXfUrHJvV7QU6pUR+UzOoA==
 
-"jquery@>=1.8.0 <4.0.0", jquery@^3.4.1:
+"jquery@>=1.12.0 <5.0.0", jquery@^3.4.1:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.7.1.tgz#083ef98927c9a6a74d05a6af02806566d16274de"
   integrity sha512-m4avr8yL8kmFN8psrbFFFmB/If14iN5o9nw/NgnnM+kybDJpRsAynV2BsfpTYrTRysYUdADVD7CkUUizgkpLfg==