A preview build for Windows 11 was leaked yesterday, giving us a glimpse of the new features and changes coming to Microsoft’s next generation of Windows. Microsoft has revamped the default backgrounds with new ‘Captured Motion’, ‘Flow’, ‘Glow’, ‘Sunrise’ collections while removing the Flowers and Windows 10 default backgrounds. Windows 11 will now use the following default background, which comes in both a light and dark mode. The full resolution Windows 11 background images have been compiled into an archive by Change Windows Twitter account.
Source: https://www.bleepingcomputer.com/news/microsoft/windows-11-brings-four-new-collections-of-desktop-backgrounds/