I. Review During the deepin 15 era, DDE utilized Mutter as a compositor-enabled window manager and Metacity as a compositor-disabled window manager. Mutter was designed for high-performance devices, while Metacity was intended for low-performance devices. In the deepin 20 era, DDE switched to KWin as the window manager. Since KWin has a built-in mode to disable the compositor, DDE also abandoned the option of using Metacity as an alternative window manager.   II. Pain Points Based on experience reports collected from the community, the vast majority of users are dissatisfied with screen scaling, and some users are unhappy with the ...Read more