Application has blank icon on Plank

My application is about to get published as a Flatpak on Flathub. It appears in the menu in the right category with the right icon. Plank only shows a blank. Do I need to install a special size of icon in a special location for Plank? Is there something else I need to do?

Plank isn’t “special” - it just uses the information available in the .desktop file to display the icon.

So as long as the icon= value is to a recognised system location then it will be displayed correctly.

I’ve eventually worked out that it has to be the full name of the app, eg com.github.mysoftware.myapp but without the .png - unlike all the other files. I assume it works but I can’t test it on Budgie now. (No EFI partition bug again 21.04 - #15 by Coeur-Noir)

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