This add-on works as intended and has saved me from a lot of potential problems and annoying website antics.

The best!

更新がないために移行します

Completely breaks reddit on mobile, site becomes unusable. I only got it for help blocking reddits creepy tracking bs on this browser.

One star for SidebarUtil.tab.js

Disruptive as hell and for what? Why do you need to know if I have a sidebar open? I don't even know what a sidebar is. Remove this nonsense.

THANK YOU DEVELOPER!