As forSurfacePro "6" (note that this is a model name for paper promotion, only for convenience)The codename "Carmel" is not expected to appear earlier than mid-2019.
but,The new generation of Surface Pro two-in-one tablet will have a very high degree of upgrade, large-scale change, no less than redesign.
Mary's article also discussed Surface Hub 2, Hololens 2 (codename Sydney) and will meet consumers in 2019.
In addition, Surface's accessories are expected to be updated. It is currently known that it includes a passive noise reduction headset that is suitable for office calls/listenings, similar to Jabra Evolve products.
For friends who disregard cash Surface Pro/Laptop or 7-generation Core Duo, Mary stressed that this fall will be upgraded to 8 generations of U.