I have a fully-updated version of Windows 11 Professional. Spacedesk is running in wired mode via USB for performance reasons. I have a rendering task running at normal priority which takes up all 20 logical cores of the computer, pinning the CPU at 100% load. Moving the mouse pointer on the Spacedesk screen when this is running with no application underneath (to interfere with pointer movement on mouse-over events with CPU contention), it is a little more laggy if spacedeskservice.exe is running at normal priority than at high priority.
Granted, this is extreme conditions and the difference is minor. Thanks for explaining that the threads are already running at high priority. When I reported this, I probably had an application running on the second screen that was grabbing at the mouse pointer. Doing so with a blank screen shows the effect is minimal.
