The forthcoming macOS Tahoe is the last release that will run on Intel-based Macs, and that will run Intel-only apps. It’s not a surprise, as Apple has been clear about this transition since it began the move to Apple Silicon back in 2020.
Now, though, it has released an updated support document about the transition, and also emailed developers directly. Headed “Upcoming changes to Rosetta support for Intel-based macOS apps,” the support document says “we’re now concluding this transition” from Intel to Apple Silicon.
Previously apps that were not universal, working with both Intel and Apple Silicon, would be rejected from the Mac App Store. This means that Apple Silicon-only apps can now be submitted, but it does not mean that Intel apps distributed outside of the Mac App Store will continue to run.
Apple says that this final part of the transition is in three stages: