Applies to: Clarett Thunderbolt Range, Saffire Range

When using macOS 10.15.4 or newer with a Clarett Thunderbolt or Saffire FireWire interface, you may see the following warning:

This is perfectly normal and is not indicative of any sort of fault.

Apple is phasing out System Extensions (the “driver” type that's been used up until now in macOS), however, these Extensions still work fine in the latest version of macOS Catalina.

We are in contact with Apple and will message any alterations to the compatibility status of our products if and when this changes.