AMD's CEO, Lisa Su, has managed to allay concerns that development of 3rd Gen Ryzen Threadripper processors has been abandoned. An AMD Investor Presentation from March had the vaunted HEDT chips included in the 2019 AMD client lineup. However, May's presentation removed the next-gen Threadripper from the roadmap.
https://www.notebookcheck.net/Lisa-Su-on-AMD-s-Ryzen-Threadripper-processors-you-will-definitely-see-more.422416.0.html