It wasn't mentioned at the WWDC keynote, but it may have been obvious. Apple has now made it clear that macOS Tahoe is the end of the line for Intel Macs. Admittedly, I missed my guess on this a bit.
Apple is ending support for Intel-powered Macs with macOS Tahoe. To run macOS 27 and later, you'll need an Apple Silicon Mac. "Apple Silicon enables us all to achieve things that were previously ...