Update InputfieldPageAutocomplete.js to initialize the autocomplete on focus event, rather than on document ready. This resolves a render time issue in AdminThemeUikit when there are a lot of autocomplete inputs present, per @Toutouwai

wire/modules/Inputfield/InputfieldPageAutocomplete/InputfieldPageAutocomplete.js

@@ -98,6 +98,7 @@ var InputfieldPageAutocomplete = {
 			return allowed;
 		}
 
+		$input.one('focus', function() {
 			$input.autocomplete({
 				minLength: 2,
 				source: function(request, response) {
@@ -240,6 +241,7 @@ var InputfieldPageAutocomplete = {
 					}
 				}
 			});
+		});
 
 		var makeSortable = function($ol) { 
 			$ol.sortable({

wire/modules/Inputfield/InputfieldPageAutocomplete/InputfieldPageAutocomplete.module

@@ -177,7 +177,7 @@ class InputfieldPageAutocomplete extends Inputfield implements InputfieldHasArra
 		$operator = $this->operator; 
 		$id = $this->id; 
 		$max = (int) $this->maxSelectedItems; 
-		$class = $this->useList ? 'has_list' : 'no_list';
+		$class = 'ui-autocomplete-input ' . ($this->useList ? 'has_list' : 'no_list');
 		if($this->useAndWords) $class .= " and_words";
 		if($this->allowAnyValue) $class .= " allow_any";
 		

wire/modules/Process/ProcessPageEditLink/ProcessPageEditLink.js

@@ -331,5 +331,7 @@ $(document).ready(function() {
 		id: 'PageEditLinkTabs'
 	});
 
+	setTimeout(function() {
 		$('#link_page_url_input').focus();
+	}, 250); 
 });