A new piece of AMD roadmap has leaked these last days. A new Ryzen CPU codenamed Raphael should be released in 2022. This processor would have a cores based on the Zen4 architecture and would share the silicon with a Navi2 GPU. The whole processor would be manufactured in 5nm.
via: https://videocardz.com/newz/amd-ryzen-7000-raphael-to-feature-5nm-zen4-core-and-navi2-graphics
(https://ozone3d.net/public/jegx/2021q2/20210412-amd-ryzen-7000-zen4-navi2.jpg)
(https://ozone3d.net/public/jegx/2021q2/20210412-amd-zen-roadmap.jpg)