Universal pkg fail with rosetta install prompt on M1 macOS

Yesterday I was able to install a package on M1 MacBook Air, but today it's failing. The system is currently running Big Sur 11.6.3 kernel 20.6.0 (199506). Was there a recent update that may have caused this?

My distribution-style pkg for my application is signed and notarized. The application is universal with x86_64 and arm64 support. The application provides some system extensions as well, all universal binaries.

Obviously from the screenshot, you can tell that the package needs a title, but I doubt that is the problem here.

Any hints?

  • I can see that 11.6.3 was installed yesterday. So the package installed worked on macOS 11.6.2, but after the upgrade.

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By some magic, the 11.6.4 update fixed the problem.