I have the same problem in Ubuntu 18.04 LTS with ppa Mozilla Team Firefox Next enabled, but not on another computer on 18.10 development version: Firefox is also in 62.06b and all addons still work well...
** Attachment added: "FF62-1810.png" https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1780472/+attachment/5161596/+files/FF62-1810.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1780472 Title: After beta update all plugins are turned off and can't be turned on To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1780472/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs