Don't know if this matters to you anymore, but it may to others.I found out that you are now able to go into settings, search for "dark mode," select "apply dark mode to wallpaper" from under the "Wallpaper and style" result. Then toggle "Apply Dark ...
Not sure if it's because of that, but I boosted the picture brightness in Gallery, yet when I view it as my wallpaper it looks dimmer. This is really frustrating.Updated: Yup, it was definitely dimmed by dark mode, even though I never asked for that...
This is pathetic. I shouldn't need to turn dark mode off just to view pictures. Dark mode isn't supposed to affect pictures, only wep page and app backgrounds.