Scrum explained: Technical debt vs undone work

“Let’s release it now”. Peter Product Owner says.

“But Peter, we haven’t tested it yet. We don’t know if it works with all the other Increments, we don’t know if the user would accept it, we haven't even done the regression test.” the developers reply concerned.

“Well,” Peter answers, “I think it looks good and the stakeholders demand it, so I’m releasing it right away.”

After releasing it, the functionality itself worked. But under the hood, there was a lot more to do to really finish the Increment…