Scaffolding

so basically i've been messing with the new block Scaffolding, and then i've noticed that the scaffolding isnt suppose to float right? Well it did this happened when i was breaking the below block of the scaffolding (i made a tower of scaffolding and destroyed the bottom) and it was also attached to more scaffolding i destroyed them all and one of them started to stand there and not break, i hope you fix this!