Xfce team has deprecated xfce4-icon-theme project. So I made a best guess and reported the bug here(https://bugzilla.xfce.org/show_bug.cgi?id=14378). Hoping this will be fixed at some point. In the meanwhile changing icon theme is the workaround.
** Bug watch added: Xfce Bugzilla #14378 https://bugzilla.xfce.org/show_bug.cgi?id=14378 ** Changed in: gnome-software (Ubuntu) Status: Incomplete => Opinion -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1768603 Title: All review score averages are 5 Stars - 1 Star reviews show as 5 Star Status in gnome-software package in Ubuntu: Opinion Bug description: OS: Ubuntu 18.04 LTS DE: Xfce 4.12 Package: gnome-software 3.28.1-0ubuntu4 Looking in the Gnome Software application, all applications with any ratings show as 5-star. One-star reviews show as 5-star in the reviews section. An easy example to demonstrate this issue is to look at the entry for WINE. 5 Star Reviews (x24) 4 Star Reviews (x9) 3 Star Reviews (x5) 2 Star Reviews (x11) 1 Star Reviews (x45) Overall average - 5 Stars. Scrolling down to read individual reviews shows five stars for obviously negative reviews: (5 Star Rating) Title: Doesn't work (5 Star Rating) Title: Garbage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1768603/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

