Description: After the latest system update, putting applications (like YouTube in a browser or games like World of Warcraft) into fullscreen mode / maximizing the windows causes extreme color and contrast shifting on the screen where the window was maximized / fullscreened. Once you made it smaller again the color / contrast would shift back to the original. Workaround: Setting the environment variable KWIN_DRM_NO_DIRECT_SCANOUT=1 in /etc/environment completely resolves the issue. Log: 7f9f2d...