There was a thread about this recently. Either manually change the config or use a plugin but disable the content encoding header and it magically works again.
> On Aug 31, 2020, at 09:45, Hung Nguyen Gia <[email protected]> wrote: > > > The problem + screenshots on the FreeBSD forums: > https://forums.freebsd.org/threads/what-the-heck-happened-with-my-firefox.76730/ > > Clarification: this is a problem of Firefox on DragonflyBSD. On FreeBSD, it > was suddenly gone by reinstall the system with XFCE instead of MATE but the > same procedure doesn't work on DragonflyBSD. The problem still persists.
