[mattlondon]

FWIW my windows 11 laptop I use has a new high quality wallpaper every day. I don't know where it gets the images from, but many are pretty cool even if they are a bit "too HDRy" at times.

[ambigious7777]

Might it be Microsoft Bing's wallpaper[0] app?

[0]: https://www.microsoft.com/en-us/bing/bing-wallpaper