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Details

Type: Bug
Resolution: Unresolved
Priority: P2: Important
Fix Version/s: None
Affects Version/s: 6.3.2, 6.4.0
Component/s: GUI: Painting, Quick: Core Declarative QML
Labels:
None

Platform/s:

macOS

Description

When an item gets dynamically loaded using a timer while the application is in full screen mode, the following graphical artifacts are present in an ApplicationWindow:

The issue seems limited to MacOS, and specifically to Big Sur, as we do not encounter it on other the Windows and Linux operating systems and not on the latest version of MacOS (Monterey).

Minimal example:

import QtQuick.Controls
import QtQuick
ApplicationWindow 
{
    width: 640
    height: 480
    visible: true
    Component.onCompleted: showFullScreen();
    Timer
    {
        running: true; 
        onTriggered: 
        loader.active = true; 
        interval: 1000; 
    }

    Loader
    {
        id: loader;
        active: false;
        sourceComponent: Rectangle
        {
            color: "red"; 
            width: 64; 
            height: 64; 
        }
    }
}