Alder Lake-P and Alder Lake-M will be the mobile offerings in the 12th generation, and Intel is expected to begin production between Q4 2021 and Q1 2022. Alder Lake-P will replace Tiger Lake-H35, H45, and UP3 families featuring up to 14 cores, 96-EU Xe GT3 graphics, PCIe Gen5, Wi-Fi 6E, and DDR5 support.
https://www.notebookcheck.net/Intel-12th-gen-Alder-Lake-P-and-Alder-Lake-M-mobile-SKUs-to-enter-production-between-Q4-2021-and-Q1-2022-Up-to-14-cores-Xe-GT3-PCie-Gen5-and-DDR5-on-the-anvil.568734.0.html