* The Sysctls experimental feature has been promoted to beta (enabled by default via the `Sysctls` feature flag). PodSecurityPolicy and Pod objects now have fields for specifying and controlling sysctls. Alpha sysctl annotations will be ignored by 1.11+ kubelets. All alpha...

- `kubeadm`: added the `--allow-experimental-api` flag to "kubeadm config migrate/validate" commands. It can be used to migrate or validate WIP/experimental APIs in the future. ([#118866](https://github.com/kubernetes/kubernetes/pull/118866), [@neolit123](https://github.com/neolit123))

- Kube-up now includes `CoreDNS` version `v1.9.3` ([#114279](https://github.com/kubernetes/kubernetes/pull/114279), [@pacoxu](https://github.com/pacoxu))
- Kubeadm: added the experimental (alpha) feature gate `EtcdLearnerMode` that allows etcd members to be joined as learner and only then promoted as voting members ([#113318](https://github.com/kubernetes/kubernetes/pull/113318), [@pacoxu](https://github.com/pacoxu))

- Removing experimental windows container hyper-v support with Docker ([#97141](https://github.com/kubernetes/kubernetes/pull/97141), [@wawa0210](https://github.com/wawa0210)) [SIG Node and Windows]

Talvez você queira experimentar os serviços deles e seguir os guias:

* <a href="https://docs.platform.sh/languages/python.html?utm_source=fastapi-signup&utm_medium=banner&utm_campaign=FastAPI-signup-June-2023" class="external-link" target="_blank">Platform.sh</a>

Você nem precisa verificar se o token existe para retornar um erro. Você pode ter certeza de que se a sua função for executada, ela terá um `str` nesse token.

Você já pode experimentar na documentação interativa:

<img src="/img/tutorial/security/image03.png">

Não estamos verificando a validade do token ainda, mas isso já é um começo

## Recapitulando