Update CHANGELOG and README for release (nginx#1023)

CHANGELOG.md

@@ -4,6 +4,28 @@ This document includes a curated changelog for each release. We also publish a c
 a [GitHub release](https://github.com/nginxinc/nginx-kubernetes-gateway/releases), which, by contrast, is auto-generated
 and includes links to all PRs that went into the release.
 
+## Release 0.6.0
+
+*August 31, 2023*
+
+This release adds a Helm chart, dynamic control plane logging, Prometheus metrics, and in-depth guides for various use cases.
+
+FEATURES:
+
+- Helm chart. [PR-840](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/840)
+- Use custom nginx container. [PR-934](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/934)
+- Support dynamic control plane logging. [PR-943](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/943)
+- Support websocket connections. [PR-962](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/962)
+- Support Prometheus metrics. [PR-999](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/999)
+
+BUG FIXES:
+
+- Ensure NGINX Kubernetes Gateway has least privileges. [PR-1004](https://github.com/nginxinc/nginx-kubernetes-gateway/pull/1004)
+
+DOCUMENTATION:
+
+- Use case guides: https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.6.0/docs/guides
+
 ## Release 0.5.0
 
 *July 17, 2023*

README.md

@@ -32,7 +32,7 @@ Learn about our [design principles](/docs/developer/design-principles.md) and [a
 We publish NGINX Kubernetes Gateway releases on GitHub. See
 our [releases page](https://github.com/nginxinc/nginx-kubernetes-gateway/releases).
 
-The latest release is [0.5.0](https://github.com/nginxinc/nginx-kubernetes-gateway/releases/tag/v0.5.0).
+The latest release is [0.6.0](https://github.com/nginxinc/nginx-kubernetes-gateway/releases/tag/v0.6.0).
 
 The edge version is useful for experimenting with new features that are not yet published in a release. To use, choose
 the *edge* version built from the [latest commit](https://github.com/nginxinc/nginx-kubernetes-gateway/commits/main)
@@ -51,7 +51,7 @@ to the correct versions:
 
 | Version        | Description                              | Image                                                                                                                                                                                                                                                                                  | Installation Manifests                                                                | Documentation and Examples                                                                                                                                                     |
 |----------------|------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| Latest release | For experimental use                     | Use the 0.5.0 image from [GitHub](https://github.com/nginxinc/nginx-kubernetes-gateway/pkgs/container/nginx-kubernetes-gateway)                                                                                                                                                        | [Manifests](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.5.0/deploy). | [Documentation](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.5.0/docs). [Examples](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.5.0/examples). |
+| Latest release | For experimental use                     | Use the 0.6.0 image from [GitHub](https://github.com/nginxinc/nginx-kubernetes-gateway/pkgs/container/nginx-kubernetes-gateway)                                                                                                                                                        | [Manifests](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.6.0/deploy). | [Documentation](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.6.0/docs). [Examples](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.6.0/examples). |
 | Edge           | For experimental use and latest features | Use the edge image                                                                                                                                                         from [GitHub](https://github.com/nginxinc/nginx-kubernetes-gateway/pkgs/container/nginx-kubernetes-gateway) | [Manifests](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/main/deploy).   | [Documentation](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/main/docs). [Examples](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/main/examples).     |
 
 ## Technical Specifications
@@ -60,7 +60,8 @@ The following table lists the software versions NGINX Kubernetes Gateway support
 
 | NGINX Kubernetes Gateway | Gateway API | Kubernetes | NGINX OSS |
 |--------------------------|-------------|------------|-----------|
-| Edge                     | 0.8.0       | 1.22+      | 1.25.2    |
+| Edge                     | 0.8.0       | 1.23+      | 1.25.2    |
+| 0.6.0                    | 0.8.0       | 1.23+      | 1.25.2    |
 | 0.5.0                    | 0.7.1       | 1.21+      | 1.25.x *  |
 | 0.4.0                    | 0.7.1       | 1.21+      | 1.25.x *  |
 | 0.3.0                    | 0.6.2       | 1.21+      | 1.23.x *  |

docs/release-process.md

@@ -35,11 +35,11 @@ To create a new release, follow these steps:
     1. Update the Helm [Chart.yaml](../deploy/helm-chart/Chart.yaml): the `appVersion` to `X.Y.Z`, the icon and source
        URLs to point at `vX.Y.Z`, and bump the `version`.
     2. Update the Helm [README](../deploy/helm-chart/README.md) `--version` flags in the helm commands to use the stable
-       `appVersion` from the previous step.
+       `version` from the previous step.
     3. Adjust the `VERSION` variable in the [Makefile](../Makefile) and the `NKG_TAG` in the
        [conformance tests Makefile](../conformance/Makefile) to `X.Y.Z`.
     4. Update the tag of NKG container images used in the Helm [values.yaml](../deploy/helm-chart/values.yaml) file, the
-       [provisioner manifest](../conformance/provisioner/provisioner.yaml)), and all docs to `X.Y.Z`.
+       [provisioner manifest](../conformance/provisioner/provisioner.yaml), and all docs to `X.Y.Z`.
     5. Ensure that the `imagePullPolicy` is `IfNotPresent` in the Helm [values.yaml](../deploy/helm-chart/values.yaml)
        file.
     6. Generate the installation manifests by running `make generate-manifests`.
@@ -59,6 +59,12 @@ To create a new release, follow these steps:
 8. Prepare and merge a PR into the main branch to update the [README](../README.md) to include the information about the
    latest release and also the [changelog](../CHANGELOG.md).
 9. Close the issue created in Step 1.
+10. Submit the `conformance-profile.yaml` artifact from the release to the [Gateway API repo](https://github.com/kubernetes-sigs/gateway-api/tree/main/conformance/reports).
+    - Create a fork of the repository
+    - Name the file `nginxinc-nginx-kubernetes-gateway.yaml` and set `gatewayAPIVersion` in the file to the
+    supported version by NKG. Also update the site source if necessary (see following example).
+    - Open a PR. [Example](https://github.com/kubernetes-sigs/gateway-api/pull/2368)
+    If it's your first time submitting a PR, you will need to sign a CLA using F5, Inc. as the organization.
 
 ### Patch Release