The current version of the Fabric API's does not support executing via a Service Principal. This makes automation from Notebooks/Azure Functions/... difficult, and is not in line with how the "old" ...
You can list Fabric capacities using SPN but not for example workspaces. It can not be a huge stretch to support it for the rest of the API:s as well.
This is a critical functionality to make Fabric usable for large organizations by enabling something that can be called an actual deployment model. Please make it happen.
