Quote Originally Posted by The Bushranger View Post
One thing to be cautious of with mob grinders now is that in 1.4 creepers will explode after taking fall damage...
After some testing, it must only happen with naturally spawned creepers and the claim that natural spawned mobs are the same as egg spawned is false. This is assuming of course, that creepers do indeed explode after fall damage. Have you seen this happen, and how can I try and see it for myself?