https://forum.qt.io/topic/161516/linux-can-t-render-opacity-or-an-image-setwindowicon-qicon-images-qt-png
LINUX: Can't render opacity or an image (setWindowIcon(QIcon(":/images/qt.png"));) | Qt Forum
Mar 25, 2025 - Hello, I'm learning how to use Qtcreator to create apps, and I'm following the steps of a course that I downloaded, but is just not rendering nothing, i use ...
https://doc.qt.io/qt-6/qicon-obsolete.html
Obsolete Members for QIcon | Qt GUI | Qt 6.11.1
The QIcon class provides scalable icons in different modes and states.
obsoletemembersqtgui