Thanks to some twitter friends you can find versions of the macos sierra wallpaper inside. Also if you have any leads on upcoming wallpapers you know where to find me.
Mac Os Sierra Color Splash Red Stock Pic 1125x2436 Walls Wd
Mac Os Wallpaper Hd Hd Wallpapers Backgrounds Download
Apple Releases Macos High Sierra Beta 4 To Developers 9to5mac
Sierra Mac Os X Wallpapers Top Free Sierra Mac Os X