Ticket #30218: 30218.2.diff

src/wp-admin/js/revisions.js

@@ -6 +6 @@
 
         revisions = wp.revisions = { model: {}, view: {}, controller: {} };
 
-        // Link settings.
-        revisions.settings = _.isUndefined( _wpRevisionsSettings ) ? {} : _wpRevisionsSettings;
+        // Link post revisions data served from the back-end.
+        revisions.settings = window._wpRevisionsSettings || {};
 
         // For debugging
         revisions.debug = false;