AMD's shiny new Ryzen 7000 Raphael series of CPUs will be launched in September 2022, according to a report form Digitimes. The Zen 4 based processors already entered mass production earlier this year, so that timeline seems plausible. AMD is expected to shed more light on it at Computex 2022.
https://www.notebookcheck.net/AMD-Ryzen-7000-processors-based-on-the-Zen-4-architecture-slated-for-a-September-2022-launch.618260.0.html