release v1.0.0 (#7535)

Signed-off-by: Neha Lohia <nehapithadiya444@gmail.com>

Changelog.md

@@ -1,5 +1,53 @@
 # Changelog
 
+### 1.0.0
+**This is a breaking change**
+
+This release only supports Kubernetes versions >= v1.19. The support for Ingress Object in `networking.k8s.io/v1beta` is being dropped and manifests should now use `networking.k8s.io/v1`.
+
+**Image:**
+
+- `k8s.gcr.io/ingress-nginx/controller:v1.0.0@sha256:0851b34f69f69352bf168e6ccf30e1e20714a264ab1ecd1933e4d8c0fc3215c6`
+
+**Known Issues**
+Ingress Controller only supports cluster scoped IngressClass and needs cluster wide permission for this object, otherwise it is not going to start.
+We plan to fix this in v1.0.1
+
+Changes:
+- [X] [#7529](https://github.com/kubernetes/ingress-nginx/pull/7529) End-to-end tests for canary affinity
+- [X] [#7489](https://github.com/kubernetes/ingress-nginx/pull/7489) docs: Clarify default-backend behavior
+- [X] [#7524](https://github.com/kubernetes/ingress-nginx/pull/7524) docs for migration to apiVersion networking.k8s.io/v1
+- [X] [#7443](https://github.com/kubernetes/ingress-nginx/pull/7443) fix ingress-nginx panic when the certificate format is wrong.
+- [X] [#7521](https://github.com/kubernetes/ingress-nginx/pull/7521) Update ingress to go 1.17
+- [X] [#7493](https://github.com/kubernetes/ingress-nginx/pull/7493) Add appProtocol field to all ServicePorts
+- [X] [#7525](https://github.com/kubernetes/ingress-nginx/pull/7525) improve RELEASE.md 
+- [X] [#7203](https://github.com/kubernetes/ingress-nginx/pull/7203) Make HPA behavior configurable
+- [X] [#7487](https://github.com/kubernetes/ingress-nginx/pull/7487)[Cherry - Pick] - Fix default backend annotation and tests
+- [X] [#7459](https://github.com/kubernetes/ingress-nginx/pull/7459) Add controller.watchIngressWithoutClass config option 
+- [X] [#7478](https://github.com/kubernetes/ingress-nginx/pull/7478) Release new helm chart with certgen fixed 
+- [X] [#7341](https://github.com/kubernetes/ingress-nginx/pull/7341) Fix IngressClass logic for newer releases (#7341)
+- [X] [#7355](https://github.com/kubernetes/ingress-nginx/pull/7355) Downgrade Lua modules for s390x (#7355)
+- [X] [#7319](https://github.com/kubernetes/ingress-nginx/pull/7319) Lower webhook timeout for digital ocean (#7319)
+- [X] [#7161](https://github.com/kubernetes/ingress-nginx/pull/7161) fix: allow scope/tcp/udp configmap namespace to altered (#7161)
+- [X] [#7331](https://github.com/kubernetes/ingress-nginx/pull/7331) Fix forwarding of auth-response-headers to gRPC backends (#7331)
+- [X] [#7332](https://github.com/kubernetes/ingress-nginx/pull/7332) controller: ignore non-service backends (#7332)
+- [X] [#7314](https://github.com/kubernetes/ingress-nginx/pull/7314) Add configuration to disable external name service feature
+- [X] [#7313](https://github.com/kubernetes/ingress-nginx/pull/7313) Add file containing stable release 
+- [X] [#7311](https://github.com/kubernetes/ingress-nginx/pull/7311) Handle named (non-numeric) ports correctly
+- [X] [#7308](https://github.com/kubernetes/ingress-nginx/pull/7308) Updated v1beta1 to v1 as its deprecated
+- [X] [#7298](https://github.com/kubernetes/ingress-nginx/pull/7298) Speed up admission hook by eliminating deep copy of Ingresses in CheckIngress 
+- [X] [#7242](https://github.com/kubernetes/ingress-nginx/pull/7242) Retry to download maxmind DB if it fails 
+- [X] [#7228](https://github.com/kubernetes/ingress-nginx/pull/7228) Discover mounted geoip db files
+- [X] [#7208](https://github.com/kubernetes/ingress-nginx/pull/7208) ingress/tcp: add additional error logging on failed
+- [X] [#7190](https://github.com/kubernetes/ingress-nginx/pull/7190) chart: using Helm builtin capabilities check
+- [X] [#7146](https://github.com/kubernetes/ingress-nginx/pull/7146) Use ENV expansion for namespace in args
+- [X] [#7107](https://github.com/kubernetes/ingress-nginx/pull/7107) Fix MaxWorkerOpenFiles calculation on high cores nodes
+- [X] [#7076](https://github.com/kubernetes/ingress-nginx/pull/7076) Rewrite clean-nginx-conf.sh in Go to speed up admission webhook
+- [X] [#7031](https://github.com/kubernetes/ingress-nginx/pull/7031) Remove mercurial from build
+- [X] [#6990](https://github.com/kubernetes/ingress-nginx/pull/6990) Use listen to ensure the port is free
+- [X] [#6944](https://github.com/kubernetes/ingress-nginx/pull/6944) Update proper default value for HTTP2MaxConcurrentStreams in Docs
+- [X] [#6940](https://github.com/kubernetes/ingress-nginx/pull/6940) Fix definition order of modsecurity directives 
+- [X] [#7156] Drops support for Ingress Object v1beta1
 
 ### 0.49.0