Interesting, means Meteor lake is almost certainly delayed:
Roadmaps for Intel’s consumer, workstation and data-center products have been leaked The rumors were true, Intel is indeed launching a refreshed Raptor Lake-S processors next year. The socket longevity will be extended for another series. This is what the new leaked Intel roadmap appears to...
videocardz.com
Don't see how they can squeeze anything more out of this architecture, since the 13900k is right on the thermal limit (without socket modifications, custom watercooling) even at stock.
Perhaps another 8 'E' cores? Or maybe a improved process and 6.2Ghz clocks? I think the power draw would be too high!
Also assume this will be more a Haswell > Devil's Canyon (4770k - 4790k) deal, as Meteor Lake is still named 14th gen.