Two questions and a small update

So, as you can see from two of the other posts on this community, someone came in and... had a bit of fun. The server takes backup every night at 0 and so I rolled it back to that. I have however, because of that, made it so that you have to be given permission to use the /im command. If you need that please tell me. But, do people think we should go all the way and implement a whitelist?

Also, should I update the server to 1.20(.1)?