As you can easily see when you visit LessWrong.com, the site transfer is complete, and we are now on the new URL. The data import will run for the next few hours, and by tomorrow morning everything should be complete.
Let us know if you run into any problems, find any broken links, or anything of that sort!
Hmm, I can definitely still log in with my two legacy accounts. I would appreciate it if you could ping us on Intercom and help us figure out what might be going wrong.