John Gruber has posted regarding an Apple conversation (an invitation only a small round table discussion about the Mac,) that he was invited to.
The punch line Apple confirmed that the Mac Pro Lives. However they will not ship this year (2017).
A quote from Phil Schiller,
With regards to the Mac Pro, we are in the process of what we call “completely rethinking the Mac Pro”. We’re working on it. We have a team working hard on it right now, and we want to architect it so that we can keep it fresh with regular improvements, and we’re committed to making it our highest-end, high-throughput desktop system, designed for our demanding pro customers.
Also there are some new iMacs on the way for this year and Apple are still committed to Logic Pro X.
You can read John Gruber full blog post report online.