[iBotPeaches]

In our case, we use a mac mini solely for building mobile applications via fastlane with a self-runner. Doing that with the GitHub runner on Mac would be mega expensive. The rest of the CI/test process runs on GitHub runners.

[easton]

Does that work with M1/Apple Silicon Macs or Intel-only?

[pilif]

GitHub right now only has their self-hosted Mac runner released as an Intel Build, but it works fine through Rosetta, though running Apple Silicon Xcode might require some additional wrapping of commands with `arch` which might or might not be built into the pre-built action you're using.

We're currently using an Intel Mac we've used from before we migrated from Jenkins to GitHub actions, so your mileage may vary.