Wayland does not support screen savers: it does not have any provision that allows screen savers to even exist in any meaningful way. If you value screen savers, that’s kind of a problem.
Adding screen savers to Wayland is not simply a matter of “port the XScreenSaver daemon”, because under the Wayland model, screen blanking and locking should not be a third-party user-space app; much of the logic must be embedded into the display manager itself. This is a good thing! It is a better model than what we have under X11.
But that means that accomplishing that task means not just writing code, but engaging with whatever passes for a standards body or design committee in the Wayland world, and that is… how shall I put this… not something that I personally feel highly motivated to do.
a visible locking screen saver on idle workstations is a requirement in many places.
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Yes and my screen locks when the screen turns off, don’t need useless graphics bouncing around.
AFAIK screen locking is already possible and widely implemented; it’s just being handled by the display manager (? I think that that’s the right term). It’s just that you can’t install anything that provides a fancy animation, if I understand correctly.