app/assets/javascripts/spree/backend/checkouts/edit.js in spree_backend-3.3.6 vs app/assets/javascripts/spree/backend/checkouts/edit.js in spree_backend-3.4.0.rc1

@@ -29,17 +29,10 @@
         url: Spree.routes.users_api,
         datatype: 'json',
         cache: true,
         data: function(term, page) {
           return {
-            q: {
-              'm': 'or',
-              'email_start': term,
-              'ship_address_firstname_start': term,
-              'ship_address_lastname_start': term,
-              'bill_address_firstname_start': term,
-              'bill_address_lastname_start': term
-            },
+            q: term,
             token: Spree.api_key
           }
         },
         results: function(data, page) {
           return { results: data.users }