Put the summary of the bug you're having here

What I expected to happen was...:
I was building a hidden piston doors that retract and slide that works fine in 1.3.2 but now its not working.
What actually happened was...:
sticky piston doesnt pull another sticky piston if that second was activated

Steps to Reproduce:
1. Put two sticky piston next to each other in a 90 degree placement, wire them both with redstone and place a lever so you can activate them at the same time.
2. When you activate them one pushes other and second pushes also thats ok, but when you deactivate, both pistons retract like they should except the pushed pistons stays at the place instead of being pulled back with first piston
3. ...