Hello, Congratulations on finishing your app. 👍 🚀 There are no special restrictions on the icon, other then those you mentioned from snapcraft. I just tested some icons I simply created with Paint. For the tests I took the hello.webserver example in go (see here) and just modified the path to the icon in the snapcraft.yaml. I tested icons with different resolutions and colors (pictures not just one color) but all icons as .png format. resolution 57x57 worked resolution 256x256 worked resolution 734x734 worked even resolution 1799x1273 worked I would suggest you to look at the path and file names you are using. I would recommend to not use blank spaces or special characters. Maybe the problems come from your webbrowser. You could try to delete your cache and refresh the webpage. Best regards, Nick
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