[conscrypt]: https://github.com/google/conscrypt/
 [conscrypt_dependency]: https://github.com/google/conscrypt/#download
 [grpc_http2]: https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md
 [https_server_sample]: https://github.com/square/okhttp/blob/master/samples/guide/src/main/java/okhttp3/recipes/HttpsServer.java
 [jetty_8_252]: https://webtide.com/jetty-alpn-java-8u252/

* Bump GCE debian image to container-v1-3-v20160604 ([#26851](https://github.com/kubernetes/kubernetes/pull/26851), [@zmerlynn](https://github.com/zmerlynn))
* Option to enable http2 on client connections. ([#25280](https://github.com/kubernetes/kubernetes/pull/25280), [@timothysc](https://github.com/timothysc))

- Fixed admission metrics in seconds. ([#72343](https://github.com/kubernetes/kubernetes/pull/72343), [@danielqsj](https://github.com/danielqsj))
- When a watch is closed by an HTTP2 load balancer and we are told to go away, skip printing the message to stderr by default.

* Lock all possible kubecfg files at the beginning of ModifyConfig. ([#28232](https://github.com/kubernetes/kubernetes/pull/28232), [@cjcullen](https://github.com/cjcullen))
* Enable HTTP2 by default ([#28114](https://github.com/kubernetes/kubernetes/pull/28114), [@timothysc](https://github.com/timothysc))

* local-up-cluster.sh: add SERVICE_CLUSTER_IP_RANGE as option ([#32921](https://github.com/kubernetes/kubernetes/pull/32921), [@aanm](https://github.com/aanm))
* Default HTTP2 on, post fixes from [#29001](https://github.com/kubernetes/kubernetes/pull/29001) ([#32231](https://github.com/kubernetes/kubernetes/pull/32231), [@timothysc](https://github.com/timothysc))

	* Add namespace-{list, create, delete} actions to the kubernetes-master layer ([#44277](https://github.com/kubernetes/kubernetes/pull/44277), [@jacekn](https://github.com/jacekn))

	* Using http2 in kubeapi-load-balancer to fix `kubectl exec` uses ([#43625](https://github.com/kubernetes/kubernetes/pull/43625), [@mbruzek](https://github.com/mbruzek))

* A buffered audit backend can be used with other audit backends. ([#60076](https://github.com/kubernetes/kubernetes/pull/60076), [@crassirostris](https://github.com/crassirostris))

* Introduced `--http2-max-streams-per-connection` command line flag on api-servers and set default to 1000 for aggregated API servers. ([#60054](https://github.com/kubernetes/kubernetes/pull/60054), [@MikeSpreitzer](https://github.com/MikeSpreitzer))

- Kube-apiserver: Added support to disable http/2 serving with a `--disable-http2-serving` flag.
   ([#122176](https://github.com/kubernetes/kubernetes/pull/122176), [@slashpai](https://github.com/slashpai)) [SIG API Machinery]

- The kubelet no longer forcefully closes active connections on heartbeat failures, using the HTTP2 health check mechanism to detect broken connections. Users can force the previous behavior of the kubelet by setting the environment variable DISABLE_HTTP2. ([#108107](https://github.com/kubernetes/kubernetes/pull/108107), [@aojea](https://github.com/aojea))...

* GCE: Bump GLBC version to 1.1.0 - supporting multiple certificates and HTTP2 ([#62427](https://github.com/kubernetes/kubernetes/pull/62427), [@nicksardo](https://github.com/nicksardo))