I've seen the same happen, so I've filed a bug with my reproduction: https://bugzilla.mozilla.org/show_bug.cgi?id=1666575 https://bugzilla.mozilla.org/show_bug.

I've seen the same happen, so I've filed a bug with my reproduction: https://bugzilla.mozilla.org/show_bug.cgi?id=1666575 https://bugzilla.mozilla.org/show_bug.cgi?id=1666575