The LGA-1851 socket details are showing up online and while there is almost no physical difference, the pinout changes!
LGA-1851: Azza kits already compatible! - Overclocking.com
Intel LGA-1851 socket for Arrow Lake-S CPUs exposed in official drawings
Updated packaging for the NH-U12A cooler mentions compatibility with Intel's LGA 1851 socket
How to use old (or new) CPU coolers on LGA 1700 - NZXT, Corsair and Noctua
Bartlett Lake-S: towards a fourth-generation LGA-1700 CPU? - Overclocking. com
Manuals confirm LGA-1700 and LGA-1851 sockets support the same coolers
CPU coolers for Intel socket LGA 1700: Everything you need to know
Intel LGA-1851 platform rumored to continue through 2026, no DDR4 support
CPU coolers for Intel socket LGA 1700: Everything you need to know
CPU coolers for Intel socket LGA 1700: Everything you need to know
Next-Gen Intel Arrow Lake-S CPU Pinout & LGA 1851 Socket Detailed, New Mounting Required?