Give them a try! You can change your current theme by selecting the “hamburger” menu next to your profile picture, and looking to the bottom of the dropdown:
Please let me know if you have any problems/feedback!
Sorry it took us so long! We had a hack for the user selectable versions a few months back, but it broke some policies on cookie usage for some reason way way way above me… so we had to wait for a few new features directly from the discourse group.
Also let me know if you find any issues - now that we’re setup, theme adjustments are quite easy. Working on this has made me fully appreciate how terribly calibrated my monitors here at home are.