i know some have come back from 2015 fully and partly others are still coming. from what i have read from others. it's hit and miss all over the place right now. it's still being worked on still. please remember it's a small team working on this site, not a large company. look at the post "please me read before posting! please and thank you" for a few ideas of what you can do while you wait
https://www.mangago.me/home/mangatopic/21102909/ suggestions here on what you can do while you wait if you like

okay genuinely how many of you have gotten your manga back? And what year did you join? if you joined earlier than me and haven't gotten it back yet either dropped a no and your year started too down below, it might be helpful to know how far along the fixing is.