App icon background on notification

[eprivado]

Hello,
Im using WinToast and I noticed that accent color from windows theme is being used for app icon background on notifications.
I spend whole day searching on how to solve this problem and everything that I found was for UWP and not for Qt which is what im using. They speak about it as plated or unplated icons but the workaround that they give is everything about changing the name to the .png icon adding .altform-unplated.png at the end, but this is not working for me since I have to choose an .ico icon for Qt. I don´t see anything in the documentation related to that. Can you give me a little bit of insigth about this?

thanks a lot

[TKazer]

Had you solved this problem? I also have this problem now, the transparent icon has a theme color background.