I manually forced e10s on Firefox 50 (50.0.2+build1-0ubuntu0.16.04.1), and used it more than one week without noticeable issue. So maybe the "Ubuntu modifications" extension is e10s-compatible, but simply not marked as such?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1627290 Title: Firefox 49+ multiprocess windows feature (e10s) is disabled by ubufox To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubufox/+bug/1627290/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
