Featuring a Core i7-1065G7 and 32 GB of RAM, the Surface Book 3 SKUs that have flown through Energy Star are sizeable upgrades over their predecessors. It looks increasingly unlikely that there will be any Ryzen 4000 Renoir options, though. Energy Star has confirmed the existence of a third Surface Go 2 SKU, too.
https://www.notebookcheck.net/EnergyStar-confirms-Core-i7-1065G7-and-32-GB-of-RAM-for-the-Surface-Book-3-but-no-Ryzen-4000-Renoir-options-third-Surface-Go-2-SKU-confirmed-too.463569.0.html