STR: 1. Verify in about:config toolkit.cosmeticAnimations.enabled = "true" 2. Navigate to http://www.popuptest.com/popuptest2.html (notice the notification bar) 3. Reload the page 5 times Actual: The notification is reloaded each refresh. Expected: The notification should not reload. When toolkit.cosmeticAnimations.enabled = "false" the Notification Bar stays. See video below: https://jwilliams-softvision.tinytake.com/sf/MTY3NjM1MV81NjA2ODQz
This is expected behavior, i.e. reloading the page should dismiss and re-show the notification bar. Not sure what bug 1355927 would have changed here -- maybe it made the effect more noticeable.