Gnome 40 top panel has rounded corners, and it makes artifacts, shown on photos.
If window isn't maximized, corners are black, not blured. Please, blur or remove them.
If window is maximized, there is a black rounded corner on right and black line on left:
Gnome 40 top panel has rounded corners, and it makes artifacts, shown on photos. If window isn't maximized, corners are black, not blured. Please, blur or remove them. If window is maximized, there is a black rounded corner on right and black line on left: