I am seeing the same thing in Ubuntu 18.04 w/ the Classic Gnome login. I do not see it with the Ubuntu login.
malachid@odin:~$ env | grep -i session GNOME_SHELL_SESSION_MODE=classic XDG_SESSION_ID=3 DESKTOP_SESSION=gnome-classic XDG_SESSION_TYPE=x11 XDG_SESSION_DESKTOP=gnome-classic GDMSESSION=gnome-classic GNOME_DESKTOP_SESSION_ID=this-is-deprecated DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus SESSION_MANAGER=local/odin:@/tmp/.ICE-unix/2232,unix/odin:/tmp/.ICE-unix/2232 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1729181 Title: directory and file icons are same in "Files" app To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1729181/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs