This is an EXTREMELY annoying bug for me. I like using the text location instead of breadcrumbs so that I can copy-paste file locations (which is especially useful now that Nautilus no longer has the "open location in terminal" option on the menu anymore), so there's no quick way to move to a parent directory using the mouse. The back button only works if you got to your current location via it's parent, which is often not the case. The designers kind of pulled a Vista on this one :(
This is an EXTREMELY annoying bug for me. I like using the text location instead of breadcrumbs so that I can copy-paste file locations (which is especially useful now that Nautilus no longer has the "open location in terminal" option on the menu anymore), so there's no quick way to move to a parent directory using the mouse. The back button only works if you got to your current location via it's parent, which is often not the case. The designers kind of pulled a Vista on this one :(