Yo! In response to this previous post
I just needed to wait for availability, and then some minor CSS fiddling to get the logos inverted properly. Well, I went ahead and (hopefully) got it working real quick. Dark themes are now user-selectable.
Open your account preferences:
Got to Interface and change the Theme to Dark Test:
Don’t forget to hit Save Changes, et voila!
I am mostly relying on the default dark theme stuff that shipped with discourse, but if anything looks wonky just come back and let me know (screenshots help, btw). Before you report anything, after saving don’t forget to do a hard-refresh of your browser session.
Have fun! I hope this helps out a bunch of you that really wanted a dark background (pokes @DavidOliver)!