Put the summary of the bug you're having here

What I expected to happen was that a tnt would break mid as in earlier versions but it wont do it in 0.6.1:
Describe what you thought should happen here tthe mud ahould break

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...