Are there a bunch of new wallpapers for build 10512?

[Windows Central Question]

they said there is a bunch of new wallpapers for build 10512

But i cannot access it, I followed instructions from other articles but the April 1975 thing is not there. Please help...

 

[mjyumping]

Re: they said there is a bunch of new wallpapers for build 10512

Help, me too!