I have never switched to Chrome for similar reason. It doesn't allow tabs under address bar. That said in recent versions Firefox allows to do it only in rather

I have never switched to Chrome for similar reason. It doesn't allow tabs under address bar. That said in recent versions Firefox allows to do it only in rather complicated way by editing userChrome.css, but at least it's possible. I'm not very happy with many of recent decisions of Mozilla devs, but there isn't really any decent alternative to switch to.