The community has spoken! We’ve stepped into the shadows and will now brainwash everyone to embrace it. This, however, only affects NEW registrants.
https://forum.imperium42.com/t/should-we-change-the-default-forum-theme-to-dark/46439
(Who enjoys light themes in 2018, anyway? Jk – about 38% apparently do!)
You can optionally RE-ENABLE light theme via the top-right hamburger (…but you shouldn’t):
^ To the left of LIGHT, you can also choose DARK, if you’ve been missing out!