On Wed, Oct 25 2017, Fulvio Fusco wrote: >> Multiple instances of this issue exist: >> >> https://bugzilla.mozilla.org/show_bug.cgi?id=1051800 >> https://bugzilla.mozilla.org/show_bug.cgi?id=793118 >> > > I'm sorry, I can confirm this old issue... my attachments were taken > from the network; with local files it's all ok.
It would be nice if you could take the time to add a comment to any of those reports. This issue likely affects several other extensions, but there was zero progress in years.