#### kube-apiserver:
- in an `--encryption-provider-config` config file, an explicit `cacheSize: 0` parameter previously silently defaulted to caching 1000 keys. In Kubernetes 1.18, this now returns a config validation error. To disable caching, you can specify a negative cacheSize value in Kubernetes 1.18+.

     * comment: Whether to enable click count tracking in the indexer.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexerClickCountEnabled();

    /**
     * Is the property for the key 'indexer.click.count.enabled' true? <br>
     * The value is, e.g. true <br>
     * comment: Whether to enable click count tracking in the indexer.

    * This would actually not be a _breaking_ change as no code would really break. Any Python 3.8 installer would just refuse to install the latest version of FastAPI and would only install 0.124.4. Only marking it as a "breaking change" to make it visible.

### Refactors

* ♻️ Upgrade internal syntax to Python 3.9+ 🎉. PR [#14564](https://github.com/fastapi/fastapi/pull/14564) by [@tiangolo](https://github.com/tiangolo).