- Respect annotation size limit for server-side apply updates to the client-side apply annotation. Also, fix opt-out of this behavior by setting the client-side apply annotation to the empty string. ([#102105](https://github.com/kubernetes/kubernetes/pull/102105), [@julianvmodesto](https://github.com/julianvmodesto)) [SIG API Machinery]

*   You can now override the health check parameters for AWS ELBs by specifying annotations on the corresponding service. The new annotations are: `healthy-threshold`, `unhealthy-threshold`, `timeout`, `interval`. The prefix for all annotations is  `service.beta.kubernetes.io/aws-load-balancer-healthcheck-`. ([#56024](https://github.com/kubernetes/kubernetes/pull/56024),[ @dimpavloff](https://github.com/dimpavloff))...

- New `service.kubernetes.io/topology-mode` annotation has been introduced as a replacement for the `service.kubernetes.io/topology-aware-hints` annotation.
  - `service.kubernetes.io/topology-aware-hints` annotation has been deprecated.

- Fix handling of aws-load-balancer-security-groups annotation. Security-Groups assigned with this annotation are no longer modified by kubernetes which is the expected behaviour of most users. Also no unnecessary Security-Groups are created anymore if this annotation is used. ([#83446](https://github.com/kubernetes/kubernetes/pull/83446), [@Elias481](https://github.com/Elias481)) [SIG Cloud Provider]

* StatefulSet: The deprecated `pod.alpha.kubernetes.io/initialized` annotation for interrupting the StatefulSet Pod management is now ignored. StatefulSets with this annotation set to `true` or with no value will behave just as they did in previous versions. Dormant StatefulSets with the annotation set to `false` will become active after upgrading.

    * Health check parameters are configurable to be bigger than default values.
* Scheduling conformance tests related to daemonsets should set the annotation that relaxes node selection restrictions, if any are set. This ensures conformance tests can run on a wider array of clusters. ([#68793](https://github.com/kubernetes/kubernetes/pull/68793), [@aveshagarwal](https://github.com/aveshagarwal))

It is worth noting again that kube-scheduler will use apiVersion `kubescheduler.config.k8s.io/v1alpha1` instead of `componentconfig/v1alpha1` in its configuration files in 1.13.

- Removed tracking annotation from validation and defaulting. ([#117633](https://github.com/kubernetes/kubernetes/pull/117633), [@kannon92](https://github.com/kannon92))

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