Ubuntu – How to get icons for Thunar in 18.04

18.04iconsthunar

After upgrading from 16.04 to 18.04 (keeping my home folder) Thunar looks like this in an i3 session:

enter image description here

Apparently some icons are missing, but what do I have to install?

Note that the accepted answer of this older question is obsolete since package gnome-icon-theme-full does not exist anymore. xfce4-settings-helper doesn't seem to exist anymore, either.

Best Answer

The approach from hrzhu's answer still works:

  • Install lxappearance.
  • Run it and pick a working icon theme.
    Note how the default, Adwaita, seems to be broken.
  • Restart Thunar.

enter image description here

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