Why don't snap icons show up in the list of open windows in xfce?

Question

linux

Xubuntu 19.10
The list of open windows (aka the "Window Buttons" item of the XFCE panel) does not display icons for some applications installed via snap. And in the Whisker-menu with icons everything is in order:



I tried to change the theme, icons, panel size - none of this helped.
What else can you try? Other than reinstalling via apt)

Answer 1

I also faced the same problem on ElementaryOS. I read on StackOverflow that you need to restart or logout .