As a rule of thumb, the quality of engineering of the core Kubernetes distribution is rock solid and incredible, but anything that's not is in varying stages of

As a rule of thumb, the quality of engineering of the core Kubernetes distribution is rock solid and incredible, but anything that's not is in varying stages of maturity. How much Kubernetes-adjacent code you actually need to adopt (and therefore, how much risk you take on) depends from project to project and organization to organization.