Due to the fact Plasma Variation 5.23, the output isn't visible in the console window. You may retrieve all KWin scripting output through the journal rather, as described during the part on output under. But Wayland isn't a direct successor of X and isn't going to abide by the design https://k8bet15789.bloguerosa.com/28443809/new-step-by-step-map-for-k8vina