Well, it was. I mean, it's Firefox! But see https://trac.torproject.org/projects...

		mirimir on May 4, 2019 \| parent \| context \| favorite \| on: All extensions disabled due to expiration of inter... Well, it was. I mean, it's Firefox! But see https://trac.torproject.org/projects/tor/ticket/30388 for the same temporary fix as at https://news.ycombinator.com/item?id=19823928