Looking at https://reddark.rewby.archivete.am/ most seem to be still private though some have switched to restricted. I do think the interruption of posts will make things a little awkward things open up again. Along with the eventual forced opening of indefinitely closed subs (/r/videos, /r/music and /r/aww being some of the larger ones), it's definitely going to be interesting to see how it plays out.
https://i.imgur.com/Y91Hkve.png
Here are the ones that I know of. Not sure if they have what you're looking for but doesn't hurt to expand the search pool.
Yup, noticed that a few days ago. It's incredibly annoying that they took away mobile browser access for a sizeable portion of content (NSFW can also mean bad language or spoilers).