Scalewithscreensize equivalent for worldspace canvas's

Hello,

Is there a CanvasScaler - Scalewithscreensize equivalent for worldspace canvas's.

In Worldspace mode I can do the math to keep the Canvas the same size at different resolutions/aspects, but the Sprites don't scale when changing to different resolutions like when I have the Canvas in 'ScreenSpace - Camera' mode with scalewithscreensize set.

Thanks!