This is one hundred percent vanilla now. I will make a video showing the difference.
I will add a screenshot of where it would happen.
http://imgur.com/9OR1gGm
Cannot figure out how to add an image.
Sure.
When a block disconnects redstone it is unconnected, obviously, but when it reconnects it now has a half tick delay. (I am posting this in the right place right?)
It used to be instantaneous.
Here is what I am talking about: http://youtu.be/Lgav8T5GNdw