app/assets/javascripts/spree/backend/user_picker.js in spree_backend-3.1.14 vs app/assets/javascripts/spree/backend/user_picker.js in spree_backend-3.2.0.rc1

@@ -7,17 +7,18 @@
 
   this.select2({
     minimumInputLength: 1,
     multiple: true,
     initSelection: function (element, callback) {
-      $.get(Spree.routes.user_search, {
-        ids: element.val()
+      $.get(Spree.routes.users_api, {
+        ids: element.val(),
+        token: Spree.api_key
       }, function (data) {
         callback(data.users);
       });
     },
     ajax: {
-      url: Spree.routes.user_search,
+      url: Spree.routes.users_api,
       datatype: 'json',
       data: function (term) {
         return {
           q: term,
           token: Spree.api_key