It restores much need functionality. Rated 5 out of 5 stars
Showing/hiding the favicon should be an about:config setting.
Add-ons like this one are excellent because they fix Mozilla "improvements".
Mozilla keeps screwing things up by making modifications that can't be undone by simple changes in about:config. I'll never understand their reasoning. Sure, protecting grandma from phishing sites is a great idea. But not everybody is grandma.