Minecraft Bedrock 26.0 is out on February 10, and this is update 3.30/1.040, and brings a host of features and gameplay changes.

Only certain blocks get removed from the map automaticaly. If you want additional blocks to be removed you can add those to the list found at datapacks/Zero/data ...

The config is located at config/not-enough-minecraft.json. Rendering on the server like this is quite inefficient and will increase CPU usage significantly, which can cause issues on lower end setups.