Windows 11 could bring back an old feature for wallpapers from Windows Vista – and it's about time

Windows DreamScene is back! Hidden in the latest Windows 11 Dev/Beta build (26x20.6690) is built in support for setting video ...
PCMag

Windows 11 May Soon Get Video Wallpapers, First Time Since Vista

A new feature spotted within one of the latest Windows 11 preview builds allows you to upload video files as a wallpaper.