and https://bugs.webkit.org/show_bug.cgi?id=53785 - Extraneous back/forward entries with dynamically appended iframes. This page appends an iframe after onload. That iframe should *not* result in a new back/forward entry in the session history. ============== Back Forward List ============== curr-> (file test):fast/loader/dynamic-iframe-extra-back-forward-item.html **nav target** (file test):fast/loader/resources/notify-done.html (in frame "") ===============================================