Wayland, traditionally, has not believed that. It believed "applications shouldn't be able to spy on or manipulate each other" and doesn't give users any mechanism to suggest that they might have permission to do so because the idea of that happening was just not on their radar.

I'm not sure about the modern state of Wayland but last time I saw it the situation was terribly messy and I was forced back to X11 because I rely on screensharing to do my job properly.

> I was forced back to X11 because I rely on screensharing to do my job properly.

Wayland screensharing has worked for a long time. I remember using it early in the pandemic when the entire working world seemed to move to Zoom/etc for meetings. So, at least ~5 years?