support the alpha `scheduler.alpha.kubernetes.io/affinity` annotation on the Pod if you explicitly enable the alpha feature "AffinityInAnnotations", but it will be removed in a future release. When you upgrade to 1.6, if you have not enabled the alpha feature, then the scheduler will use the `affinity` field in PodSpec and will ignore the annotation. If you have enabled the alpha feature, then the scheduler will use the `affinity` field in PodSpec if it is present, and otherwise will use the annotation....

- [cloudprovider-aws external v0.1.0](https://github.com/kubernetes/cloud-provider-aws/blob/master/changelogs/CHANGELOG-0.1.md)

### SIG Azure

For 1.13 SIG Azure was focused on adding additional Azure Disk support for Ultra SSD, Standard SSD, and Premium Azure Files. Azure Availability Zones and cross resource group nodes were also moved from Alpha to Beta in 1.13.

### SIG Big Data

### Azure

SIG Azure worked on improvements in the cloud provider, including significant work on the Azure Load Balancer implementation.

### Cluster Lifecycle

- Promoted the `JobManagedBy` feature to general availability. The `JobManagedBy` feature gate was locked to `true` and will be removed in a future Kubernetes release. ([#135080](https://github.com/kubernetes/kubernetes/pull/135080), [@dejanzele](https://github.com/dejanzele)) [SIG API Machinery, Apps and Testing]

### Removed
- github.com/Azure/azure-sdk-for-go: [v68.0.0+incompatible](https://github.com/Azure/azure-sdk-for-go/tree/v68.0.0)
- github.com/Azure/go-autorest/autorest/adal: [v0.9.23](https://github.com/Azure/go-autorest/tree/autorest/adal/v0.9.23)
- github.com/Azure/go-autorest/autorest/date: [v0.3.0](https://github.com/Azure/go-autorest/tree/autorest/date/v0.3.0)

- The `ServiceAccountIssuerDiscovery` feature has graduated to GA, and is unconditionally enabled. The `ServiceAccountIssuerDiscovery` feature-gate will be removed in 1.22. ([#98553](https://github.com/kubernetes/kubernetes/pull/98553), [@mtaufen](https://github.com/mtaufen)) [SIG API Machinery, Auth and Testing]

### Documentation

  * The `--audit-policy-file` option is required if the `AdvancedAuditing` feature is not explicitly turned off (`--feature-gates=AdvancedAuditing=false`) on the API server.
  * The audit log file defaults to JSON encoding when using the advanced auditing feature gate.
  * An audit policy file without either an `apiVersion` or a `kind` field may be treated as invalid.

- github.com/Azure/go-autorest/autorest/adal: [v0.8.2 → v0.9.5](https://github.com/Azure/go-autorest/compare/autorest/adal/v0.8.2...autorest/adal/v0.9.5)
- github.com/Azure/go-autorest/autorest/date: [v0.2.0 → v0.3.0](https://github.com/Azure/go-autorest/compare/autorest/date/v0.2.0...autorest/date/v0.3.0)

#### kube-controller-manager:
- Azure service annotation service.beta.kubernetes.io/azure-load-balancer-disable-tcp-reset has been deprecated. Its support would be removed in a future release. ([#88462](https://github.com/kubernetes/kubernetes/pull/88462), [@feiskyer](https://github.com/feiskyer)) [SIG Cloud Provider]

#### kubelet:

    * validation schemata as an alpha feature, to be enabled via the "CustomResourcePublishOpenAPI" feature gate. Kubectl will validate client-side using those. Note that in
    * future, client-side validation in 1.14 kubectl against a 1.15 cluster will reject
    * unknown fields for CRDs with validation schema defined.