Ok I got it. Extensions got disabled when I tried to update User Themes extension using Update button next to extension.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1718400 Title: Extensions greyed out after 20170920 To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-tweak-tool/+bug/1718400/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
