app/assets/javascripts/spree/backend/spree-select2.js in solidus_backend-2.2.2 vs app/assets/javascripts/spree/backend/spree-select2.js in solidus_backend-2.3.0.beta1

@@ -1,6 +1,6 @@
 //= require solidus_admin/select2
-jQuery(function($) {
+Spree.ready(function() {
   // Make select beautiful
   $('select.select2').select2({
     allowClear: true,
     dropdownAutoWidth: true,
     minimumResultsForSearch: 8