OM SYSTEM announced that in the future camera updates may no longer be possible on macOS:
Regarding camera firmware updates for customers using macOS
Thank you for using OM SYSTEM products.
Currently, we are using our software OM Workspace to update the firmware of our digital cameras, but due to security enhancements associated with macOS updates, there is a possibility that camera firmware updates may no longer be possible. there is.
Therefore, if you have cameras or lenses that have not yet had their firmware updated, we ask that you update them as soon as possible.
Please note that Windows update services will continue to be available.
We hope that you will continue to use our products.