Yep. Luckily it’s being fixed as we speak: https://bugzilla.mozilla.org/show_bug.cgi?id=420355
I don't know if .crdownload has a header, but it doesn't seem to work the same way.
Yep. Luckily it’s being fixed as we speak: https://bugzilla.mozilla.org/show_bug.cgi?id=420355