lib/onebox/sanitize_config.rb in onebox-1.8.15 vs lib/onebox/sanitize_config.rb in onebox-1.8.16

@@ -17,10 +17,11 @@
       },
 
       add_attributes: {
         'iframe' => {
           'seamless' => 'seamless',
-          'sandbox' => 'allow-same-origin allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox',
+          'sandbox' => 'allow-same-origin allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox' \
+                       ' allow-presentation',
         }
       },
 
       transformers: (RELAXED[:transformers] || []) + [
         lambda do |env|