I am glad to see this raised as a bug, even if the fix would be a huge breaking change. It highlights one of many ways that growth of complexity and API surface

I am glad to see this raised as a bug, even if the fix would be a huge breaking change. It highlights one of many ways that growth of complexity and API surface of the browser has become a serious security issue. Maybe merging the concepts of a hypertext document layout system and an application platform wasn't a good idea.