This part was about the location bar, I believe. For what it’s worth, on my machine (with Files 46.2) clicking on the name of the current directory or on empty

This part was about the location bar, I believe. For what it’s worth, on my machine (with Files 46.2) clicking on the name of the current directory or on empty space to the right of it in the location bar does turn it into a text box. (I always use Ctrl-L in practice so I had to actually go and check. It might be that clicking did not work in earlier versions?..)