I just wanted to point out the inconsistency of the two entity names.
The "Transport belt to ground" got renamed in to "Underground belt" in 0.13 but not the pipes.
[0.13.x] Underground belts and pipes to ground
[0.13.x] Underground belts and pipes to ground
Former moderator
Re: [0.13.x] Underground belts and pipes to ground
I would say that it is a minor issue, we might change it in next major release.