Found the following news about the latest (dev?)release of xfce which will use GTK+3.
https://simon.shimmerproject.org/2017/05/24/the-first-gtk3-release-of-xfce4-panel-is-out/
From the post:
"The newly added xfce_panel_plugin_get_icon_size relies on GtkImage directly and which introduces defined, meaningful icon size-steps to avoid fuzzy icons in the panel."
Sounds promising.
Found the following news about the latest (dev?)release of xfce which will use GTK+3.
https:/ /simon. shimmerproject. org/2017/ 05/24/the- first-gtk3- release- of-xfce4- panel-is- out/
From the post:
"The newly added xfce_panel_ plugin_ get_icon_ size relies on GtkImage directly and which introduces defined, meaningful icon size-steps to avoid fuzzy icons in the panel."
Sounds promising.