On first launch, you may see this scary alert:

This is because Apple is taking a really long time notarizing our latest builds. We’re really sorry about this.

If you would like to get around this in the meantime, there’s an option in System Settings > Privacy & Security > Open Anyways that lets you open Action regardless:

This also means Screen Recording and Accessibility settings won’t be persisted after some time. Temporarily, you’ll have to periodically quit and restart Action until Apple notarizes our app.