i noticed that wallpaper corruption is happening mostly in ubuntu official wallpapers such as purple disco dingo wallpaper. when i change to standard wallpapers like a photograph corruption not happening.
Lock screen is also corrupting same as default wallpaper (related screenshot is in attachment)
Additionally ubuntu-gnome default on screen indicator symbols such as volume control dont appear.
Ubuntu 18.04.2-64bit
i noticed that wallpaper corruption is happening mostly in ubuntu official wallpapers such as purple disco dingo wallpaper. when i change to standard wallpapers like a photograph corruption not happening.
Lock screen is also corrupting same as default wallpaper (related screenshot is in attachment)
Additionally ubuntu-gnome default on screen indicator symbols such as volume control dont appear.