has told me about a "Beta" on the new Doink page. So, I clicked on it, and check it out! [link] I'm not quite sure about the "sign in" thing.(
However, you can search up your old art again! Just type up a tag that you put in one of your old animations, or just search up @your username, and it will show all of your drawings in order from the first!
Hope this makes you happy.