Apparently some of the best gaming mice aren't staying at the right DPI when moved slowly
'DPI downshift', they call it.
My quick test of Lumen Lite shows that it's probably good news for ray-traced gaming on handheld PCs, but I suspect that it will be used everywhere because of the pressure developers are now under I've just finished reviewing this great office chair and—oh, hey look, there's $50 knocked off the price right now