AMD Ryzen 4000 "Vermeer" processors are in the final stages of development, igor'sLAB has confirmed. The Zen 3 processors will be joined next year by "Cezanne", the successor to the current Renoir architecture. AMD is sticking with Vega GPUs for Ryzen 5000 mobile processors; expect a Navi switch up as of Van Gogh processors.
https://www.notebookcheck.net/Leak-confirms-AMD-Ryzen-4000-Vermeer-Zen-3-and-7-nm-processors-are-in-the-final-stages-of-development-AMD-sticking-with-Vega-GPUs-for-Renoir-successor-moving-onto-Navi-GPUs-as-of-Van-Gogh.478562.0.html