Merge pull request #548 from hbagdi/docs/changelog-v0.2.0

docs: add changelog for v0.2.0

CHANGELOG.md

@@ -2,10 +2,55 @@
 
 ## Table of Contents
 
+- [v0.2.0](#v020)
 - [v0.1.0](#v010)
 - [v0.1.0-rc2](#v010-rc2)
 - [v0.1.0-rc1](#v010-rc1)
 
+
+## v0.2.0
+
+API Version: v1alpha1
+
+### API changes
+
+Service APIs has been renamed to Gateway API.
+[#536](https://github.com/kubernetes-sigs/service-apis/issues/536).
+
+
+#### GatewayClass
+- The default status condition of GatewayClass resource is now `Admitted:false`
+ instead of `InvalidParameters:Unknown`.
+ [#471](https://github.com/kubernetes-sigs/service-apis/pull/471).
+- `GatewayClass.spec.parametersRef` now has an optional `namespace` field to
+ refer to a namespace-scoped resource in addition to cluster-scoped resource.
+ [#543](https://github.com/kubernetes-sigs/service-apis/pull/543).
+
+#### Gateway
+- `spec.listeners[].tls.mode` now defaults to `Terminate`.
+ [#518](https://github.com/kubernetes-sigs/service-apis/pull/518).
+- Empty `hostname` in a listener matches all request.
+ [#525](https://github.com/kubernetes-sigs/service-apis/pull/525).
+
+#### HTTPRoute
+- New `set` property has been introduced for `HTTPRequestHeader` Filter. Headers
+ specified under `set` are overriden instead of added.
+ [#475](https://github.com/kubernetes-sigs/service-apis/pull/475).
+
+#### Misc
+- Maximum limit for `forwardTo` has been increased from `4` to `16` for all
+ route types.
+ [#493](https://github.com/kubernetes-sigs/service-apis/pull/493).
+- Various changes have been made in the Kubernetes and Go API to align with
+ upstream Kubernetes API conventions. Some of the fields have been changed to
+ pointers in the Go API for this reason.
+ [#538](https://github.com/kubernetes-sigs/service-apis/pull/538).
+
+### Documentation
+
+There are minor improvements to docs all around.
+New guides, clarifications and various typos have been fixed.
+
 ## v0.1.0
 
 API Version: v1alpha1