Keycloak come with experimental features (see https://www.keycloak.org/server/features). Despite they are not production ready in a Keycloak point of view, you might need to enable them to test the features.
Those can be toggled with additional flags during the server startup.
Cloud-IAM offers a convenient way of configuring the available features accordingly to the current version of the cluster.
The list of existing features available for the current version is maintained by Cloud-IAM.