It seems that using software rendering breaks the Blend effect from Qt5Compat.GraphicalEffects

[Mizmas]

Setting the environment variable QT_QUICK_BACKEND=software seems to break the Blend{} type from import Qt5Compat.GraphicalEffects

I'm using the Blend effect like this:

    Blend {
        anchors.fill: parent
        source: grainTexture
        foregroundSource: background
        mode: "screen"
    }

Normal:

With software rendering: