I've also been using e10s for a few weeks now as well and can confirm are no noticeable bugs or issues. The Ubuntu modifications just need to be marked as compatible.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to ubufox in Ubuntu. https://bugs.launchpad.net/bugs/1627290 Title: Firefox 49+ multiprocess windows feature (e10s) is disabled by ubufox Status in ubufox package in Ubuntu: Confirmed Bug description: Firefox 49+ enables e10s by default: https://wiki.mozilla.org/Electrolysis But Ubuntu's "Ubuntu Modifications 3.2" extension disables it. In about:support output it says: "Multiprocess Windows 0/1 (Disabled by add-ons)" If we manually disable "Ubuntu Modifications" extension, it works: "Multiprocess Windows 1/1 (Enabled by default)" I am using Xubuntu 16.04, firefox 49.0+build4-0ubuntu0.16.04.1, xul-ext-ubufox 3.2-0ubuntu1. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubufox/+bug/1627290/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

