[robin_reala]

Me too: I remember, when I was first toying with the idea of building websites as a career, being fascinated by the idea of having a web site where the background was transparent or translucent down to the desktop behind. I always figured you should be able to do something like html { background: transparent; } and have it just work.

It’s worth pointing out that this bug fix doesn’t actually do that. For a start, it’s a preference that can be toggled on by the user or an extension, rather than a default thing that websites can choose. Probably for the best: it’d certainly open up new avenues for clickjacking.