Yeah, most enterprise deployments of Incus use OIDC for authentication and then OpenFGA for authorization with permissions typically synchronized with something like AD/Entra.

TLS certs remain used for some role account type stuff and as a break glass type of access for when OIDC is unavailable and there's an emergency. A nice characteristic of TLS certificates is that they can be generated safely in a HSM which you can then dump into a safe, works well in the corporate world, much better than passwords for this kind of thing.