diff -r 7b1b88e27a20 -r 48c4eec2b7e6 wp/wp-includes/js/jquery/ui/selectmenu.js
--- a/wp/wp-includes/js/jquery/ui/selectmenu.js	Thu Sep 29 08:06:27 2022 +0200
+++ b/wp/wp-includes/js/jquery/ui/selectmenu.js	Fri Sep 05 18:40:08 2025 +0200
@@ -1,10 +1,10 @@
 /*!
- * jQuery UI Selectmenu 1.13.1
- * http://jqueryui.com
+ * jQuery UI Selectmenu 1.13.3
+ * https://jqueryui.com
  *
- * Copyright jQuery Foundation and other contributors
+ * Copyright OpenJS Foundation and other contributors
  * Released under the MIT license.
- * http://jquery.org/license
+ * https://jquery.org/license
  */
 
 //>>label: Selectmenu
@@ -12,8 +12,8 @@
 /* eslint-disable max-len */
 //>>description: Duplicates and extends the functionality of a native HTML select element, allowing it to be customizable in behavior and appearance far beyond the limitations of a native select.
 /* eslint-enable max-len */
-//>>docs: http://api.jqueryui.com/selectmenu/
-//>>demos: http://jqueryui.com/selectmenu/
+//>>docs: https://api.jqueryui.com/selectmenu/
+//>>demos: https://jqueryui.com/selectmenu/
 //>>css.structure: ../../themes/base/core.css
 //>>css.structure: ../../themes/base/selectmenu.css, ../../themes/base/button.css
 //>>css.theme: ../../themes/base/theme.css
@@ -27,7 +27,13 @@
 		define( [
 			"jquery",
 			"./menu",
-			"./core"
+			"../form-reset-mixin",
+			"../keycode",
+			"../labels",
+			"../position",
+			"../unique-id",
+			"../version",
+			"../widget"
 		], factory );
 	} else {
 
@@ -38,7 +44,7 @@
 "use strict";
 
 return $.widget( "ui.selectmenu", [ $.ui.formResetMixin, {
-	version: "1.13.1",
+	version: "1.13.3",
 	defaultElement: "<select>",
 	options: {
 		appendTo: null,
@@ -227,7 +233,7 @@
 		this.menuInstance.refresh();
 		this.menuItems = this.menu.find( "li" )
 			.not( ".ui-selectmenu-optgroup" )
-			.find( ".ui-menu-item-wrapper" );
+				.find( ".ui-menu-item-wrapper" );
 
 		this._rendered = true;
 
@@ -348,7 +354,12 @@
 		if ( item.disabled ) {
 			this._addClass( li, null, "ui-state-disabled" );
 		}
-		this._setText( wrapper, item.label );
+
+		if ( item.hidden ) {
+			li.prop( "hidden", true );
+		} else {
+			this._setText( wrapper, item.label );
+		}
 
 		return li.append( wrapper ).appendTo( ul );
 	},
@@ -403,7 +414,7 @@
 			selection.removeAllRanges();
 			selection.addRange( this.range );
 
-			// Support: IE8
+		// Support: IE8
 		} else {
 			this.range.select();
 		}
@@ -411,7 +422,7 @@
 		// Support: IE
 		// Setting the text selection kills the button focus in IE, but
 		// restoring the focus doesn't kill the selection.
-		this.button.focus();
+		this.button.trigger( "focus" );
 	},
 
 	_documentClick: {
@@ -439,7 +450,7 @@
 					this.range = selection.getRangeAt( 0 );
 				}
 
-				// Support: IE8
+			// Support: IE8
 			} else {
 				this.range = document.selection.createRange();
 			}
@@ -453,54 +464,54 @@
 		keydown: function( event ) {
 			var preventDefault = true;
 			switch ( event.keyCode ) {
-				case $.ui.keyCode.TAB:
-				case $.ui.keyCode.ESCAPE:
-					this.close( event );
-					preventDefault = false;
-					break;
-				case $.ui.keyCode.ENTER:
-					if ( this.isOpen ) {
-						this._selectFocusedItem( event );
-					}
-					break;
-				case $.ui.keyCode.UP:
-					if ( event.altKey ) {
-						this._toggle( event );
-					} else {
-						this._move( "prev", event );
-					}
-					break;
-				case $.ui.keyCode.DOWN:
-					if ( event.altKey ) {
-						this._toggle( event );
-					} else {
-						this._move( "next", event );
-					}
-					break;
-				case $.ui.keyCode.SPACE:
-					if ( this.isOpen ) {
-						this._selectFocusedItem( event );
-					} else {
-						this._toggle( event );
-					}
-					break;
-				case $.ui.keyCode.LEFT:
+			case $.ui.keyCode.TAB:
+			case $.ui.keyCode.ESCAPE:
+				this.close( event );
+				preventDefault = false;
+				break;
+			case $.ui.keyCode.ENTER:
+				if ( this.isOpen ) {
+					this._selectFocusedItem( event );
+				}
+				break;
+			case $.ui.keyCode.UP:
+				if ( event.altKey ) {
+					this._toggle( event );
+				} else {
 					this._move( "prev", event );
-					break;
-				case $.ui.keyCode.RIGHT:
+				}
+				break;
+			case $.ui.keyCode.DOWN:
+				if ( event.altKey ) {
+					this._toggle( event );
+				} else {
 					this._move( "next", event );
-					break;
-				case $.ui.keyCode.HOME:
-				case $.ui.keyCode.PAGE_UP:
-					this._move( "first", event );
-					break;
-				case $.ui.keyCode.END:
-				case $.ui.keyCode.PAGE_DOWN:
-					this._move( "last", event );
-					break;
-				default:
-					this.menu.trigger( event );
-					preventDefault = false;
+				}
+				break;
+			case $.ui.keyCode.SPACE:
+				if ( this.isOpen ) {
+					this._selectFocusedItem( event );
+				} else {
+					this._toggle( event );
+				}
+				break;
+			case $.ui.keyCode.LEFT:
+				this._move( "prev", event );
+				break;
+			case $.ui.keyCode.RIGHT:
+				this._move( "next", event );
+				break;
+			case $.ui.keyCode.HOME:
+			case $.ui.keyCode.PAGE_UP:
+				this._move( "first", event );
+				break;
+			case $.ui.keyCode.END:
+			case $.ui.keyCode.PAGE_DOWN:
+				this._move( "last", event );
+				break;
+			default:
+				this.menu.trigger( event );
+				preventDefault = false;
 			}
 
 			if ( preventDefault ) {
@@ -652,10 +663,6 @@
 		var that = this,
 			data = [];
 		options.each( function( index, item ) {
-			if ( item.hidden ) {
-				return;
-			}
-
 			data.push( that._parseOption( $( item ), index ) );
 		} );
 		this.items = data;
@@ -669,6 +676,7 @@
 			index: index,
 			value: option.val(),
 			label: option.text(),
+			hidden: optgroup.prop( "hidden" ) || option.prop( "hidden" ),
 			optgroup: optgroup.attr( "label" ) || "",
 			disabled: optgroup.prop( "disabled" ) || option.prop( "disabled" )
 		};