It’s more or less official at this point: AMD’s upcoming Zen6 architecture will depend on the currently existing AM5 platform. That’s a total of three CPU architectures using a platform that launched back in 2022.
For context, AMD has kept mum about the possibility of “recycling” the AM5 socket for use with its next-generation Zen6 CPUs. Initially, it was an MSI representative who responded to a question on Discord, regarding the future of the brand’s motherboards – it was about the X870E Tomahawk MAx PZ and X870I TI EVO, specifically – around the architecture. “It will be future CPU ready,” was their response.

Not long after, ASUS confirmed that its AM5 motherboards, too, would be supporting Zen6. The confirmation was done through official marketing materials for its AMD B850M motherboard called the AYW Gaming OC, for the Chinese market, with the label (it’s in Chinese) that read “ready for Zen6”, in addition to the Ryzen 9000 Series compatibility.
In other words, we’re looking at a standard BIOS update that needs to be made once AMD officially launches the corresponding CPUs.

Then there’s ASRock. The PC brand all but confirmed the support for Zen6 in a promotional marketing video, posted on its Bilibili account. One thing to note is that the brand claims that it’s boards will be “Zen6 ready” meaning that you may not need to update the BIOS, basically allowing for a plug-and-play experience.
For now, there’s no word from AMD on when Zen6 will be out, and there is speculation on whether it plans on sticking with its current naming convention. If it does, that would mean the next CPU generation would go by the Ryzen 10000 Series naming logic. Guess we’ll have to wait.
(Source: ASUS, ASRock, Videocardz)