Steps to reproduce: 1. Log in to AMO-stage https://addons.allizom.org/en-US/firefox/ 2. Go to “Account Settings” 3. Go to “Notifications”-> "User Notifications” section 4. Click “none”/”all” Expected results: All check-boxes are selected/unselected. Actual results: Nothing happens. The message “Error: Syntax error, unrecognized expression: input:not([disabled]” is displayed in the console. Notes/Issues: Issue is also reproducing in “Notifications”->”Developer” section if you are logged in with an admin account. Verified on FF42(Win 7). Issue is reproducing on AMO-stage, dev and prod. Screencast for this issue: http://screencast.com/t/FpAC7z9XIO
Verified as fixed in https://github.com/mozilla/addons-server/issues/2061. Closing bug.