docs/data/reusables/code-scanning/default-setup-swift-self-hosted-runners.md

{% data variables.product.prodname_code_scanning_caps %} of Swift code is not supported for runners that are part of an {% data variables.product.prodname_actions_runner_controller %} (ARC), because ARC runners only use Linux and Swift requires macOS runners. However, you can have a mixture of both ARC runners and self-hosted macOS runners. For more information, see "AUTOTITLE."