Fedora 27 Pango bug

https://bugs.archlinux.org/task/56147

The current version of Pango for Fedora 27 suffers from that bug, where 
long filenames do not wrap in thunar/nautilus, causing potentially only 
a single small icon per row

https://bugzilla.gnome.org/show_bug.cgi?id=789625

Here is another discussion about it