Information about socket support for Intel Alder Lake-S has surfaced online. Alder Lake-S will require a larger LGA 1700 socket that will be compatible for at least three succeeding generations of Core processors. The 10nm++ Alder Lake-S platform is expected to sport of a mix of high-performing Golden Cove and power-efficient Gracemont cores.
https://www.notebookcheck.net/Intel-12th-gen-Alder-Lake-S-will-use-a-larger-LGA-1700-socket-that-may-last-for-three-generations.463763.0.html
I fail to see the point of so many small cores in what's obviously a desktop product.