Deep Silver revealed that Shenmue III is delayed until 2019. This announcement from Deep Silver is accompanied by a statement from Yu Suzuki.
Announcement by Deep SilverComment by Yu Suzuki
"To all of our backers, we are very sorry for the delay. After much discussion with our partners, Deep Silver, we have concluded that extending the release will allow us to deliver Shenmue III at its best. We promise to use this time to improve the quality of Shenmue III.

We cannot thank you enough for your enduring support."