Support for vimperator-type things is coming: https://bugzilla.mozilla.org/show_...

		buovjaga on Feb 18, 2017 \| parent \| context \| favorite \| on: Firefox 57 as the first release where only WebExte... Support for vimperator-type things is coming: https://bugzilla.mozilla.org/show_bug.cgi?id=1215061