There may be many routes for a single address. For example, a webserver that is hosted in multiple datacenters may yield multiple IP addresses in its DNS response.

    its own IDN mapping table in the library.

 *  New: Prefer the client's configured precedence order for TLS cipher suites. (OkHttp used to
    prefer the JDK’s precedence order.) This change may cause your HTTP calls to negotiate a
    different cipher suite than before! OkHttp's defaults cipher suites are selected for good
    security and performance.

 *  New: `ConnectionListener` publishes events for connects, disconnects, and use of pooled

- Improved how the API server responds to **list** requests where the response format negotiates to Protobuf. List responses in Protobuf are marshalled one element at the time, drastically reducing memory needed to serve large collections. Streaming list responses can be disabled via the `StreamingCollectionEncodingToProtobuf` feature gate....

- Instrument /flagz and /statusz endpoints with apiserver request metrics (apiserver_request_total, apiserver_request_duration_seconds), with group and version labels reflecting the content-negotiated API version. ([#137021](https://github.com/kubernetes/kubernetes/pull/137021), [@yongruilin](https://github.com/yongruilin)) [SIG API Machinery and Instrumentation]