How to set Applications icon in Alt+Tab menu on Ubuntu?

Vadi2

What is responsible for the low-res icon yellow archway icon for a Qt5 application at:

alt text

I thought it would've been the setWindowIcon() call on the applications window, but it does not seem to have any effect.

SGaist

Hi,

That a question better asked to the Ubuntu folks.

IIRC, it's done through a .desktop file.

Vadi2

Asked at askubuntu.com for anyone else coming across this later.