Same performance as windows? Set the fps you want it to replay at. And set it to pause at a maximized window. I’ve never had a issue with performance. Anymore then any other wallpaper with movement.
One thing to keep in mind not every single wallpaper will work an that’s just how it is. You can see more here, GitHub - catsout/wallpaper-engine-kde-plugin: A kde wallpaper plugin integrating wallpaper engine
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