In my server, Castle Blocks didn't generate any config file
In my client side, it did, but, this is all it has:

{}

That's it, please help me know what things can even be configured in the first place.
The version is castleblocks-1.20.x-1.3.0 for Fabric 1.20.1

I saw there was Mod Menu integration
But the changes there don't stick
I tried to edit it manually based on the GitHub repository

But when I launch the game, it got overriden

I tried to use this settings:

But they get deleted and replaced for this:

It seems like the latest version on Fabric has issues with user configs, I will work on a fix!

Thanks for responding, the other issues I had were a result of not finding a config file in the server.
Any potential timeframe for the fix just so I know when to check for it?

1.3.1 for Fabric 1,20.1 & 1.20.4 have been released, fixing it!