The patcher seems to be working. However, this does not change the fact that you may need to download the client again at some point. 

Well. I'm starting work on Beta by adding a map from AMP by Zuko purely as a test. This will be a much larger part of the work compared to Alpha, which took almost a year to complete. Now I have a huge workload: 1. Choosing and testing a patcher. 2. Working on the server concept. 3. Developing and mining at-commands for a comfortable and convenient game. 4. Possible complete replacement of the client side due to server updates. 5. Development of the website and databases of items and mobs. I plan to finish this within two or three years. And I don't care how significant it is for the game industry that I'm only now working on a 25-year-old game.

Nope. It's note public server. And won't be. Anything you get or level up on the server before the "official launch" (which is unknown when it will happen) can easily disappear in Ginnungagap. I've warned you. And don't even look at the Rules, they won't help you. And yes, this website will eventually be in Russian. 

Have a nice day )))