As you can see in the linked upstream bug report, Firefox is currently broken on all big-endian architectures. The only known workaround for this is currently downgrading to Firefox 44.
Adrian -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1583849 Title: dist-upgrade & FF upgrade breaks FF & Midori 16.04 PPC To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1583849/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs