Hopefully this can be fixed upstream with a conditional note about installing gnome-sushi. I have submitted a GNOME bug with a patch.
** Bug watch added: GNOME Bug Tracker #794187 https://bugzilla.gnome.org/show_bug.cgi?id=794187 ** Also affects: gnome-user-docs via https://bugzilla.gnome.org/show_bug.cgi?id=794187 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Documentation Packages, which is subscribed to ubuntu-docs in Ubuntu. https://bugs.launchpad.net/bugs/1656071 Title: spacebar preview doesn't work in default Ubuntu Status in Gnome Documentation: Unknown Status in ubuntu-docs package in Ubuntu: Confirmed Bug description: https://help.ubuntu.com/stable/ubuntu-help/files-preview.html Supposedly, a preview should happen when you press space in nautilus with a file highlighted. Instead, nothing happens. Workaround: install gnome-sushi To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-user-docs/+bug/1656071/+subscriptions -- Mailing list: https://launchpad.net/~documentation-packages Post to : documentation-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~documentation-packages More help : https://help.launchpad.net/ListHelp