It seems that this plug in might have been the culprit in a very frustrating issue I was having. Myself and another admin were having trouble with making changes to a page (or in the editor of the theme) and then being unable to scroll on the page to reach the save/update button. Tabbing to try to reach the right button only sometimes worked so often I'd have to refresh and make our changes over again and hope it didn't lock up before I was done.
When the plugin is deactivated I can't replicate the issue and when it's reactivated it happens again, so it seems like it's probably this plugin. I thought you might want to know about the issue. If it helps my browser is Safari (as is the other admin's.)