Introduce changelog for KEDA (#664)

* WIP

Signed-off-by: Tom Kerkhove <[email protected]>

* Fix links

* Provide full changelog

* Reduce

CHANGELOG.md

@@ -0,0 +1,87 @@
+# Changelog
+
+## Deprecations
+
+- As of v1.3, support for `brokerList` is deprecated for our Kafka topic scaler and will be removed in v2.0 ([#632](https://github.com/kedacore/keda/issues/632))
+
+## v1.2
+
+### New
+
+- Introduce new Postgres scaler ([#553](https://github.com/kedacore/keda/issues/553))
+- Introduce new MySQL scaler ([#564](https://github.com/kedacore/keda/issues/564))
+- Provide SASL_SSL Plain authentication for Kafka trigger scalar to work with Event Hubs ([#585](https://github.com/kedacore/keda/issues/585))
+
+### Improvements
+
+- TLS parameter to Redis-scaler ([#540](https://github.com/kedacore/keda/issues/540))
+- Redis db index option ([#577](https://github.com/kedacore/keda/issues/577))
+- Optional param for ConfigMaps and Secrets ([#562](https://github.com/kedacore/keda/issues/562))
+- Remove manually adding sslmode to connection string ([#558](https://github.com/kedacore/keda/issues/558))
+- ScaledObject.Status update should handle stale resource ([#582](https://github.com/kedacore/keda/issues/582))
+- Improve reconcile loop ([#581](https://github.com/kedacore/keda/issues/581))
+- Address naming changes for postgresql scaler ([#593](https://github.com/kedacore/keda/issues/593))
+
+### Breaking Changes
+
+None.
+
+### Other
+
+- Move Metrics adapter into the separate Deployment ([#506](https://github.com/kedacore/keda/issues/506))
+- Fix gopls location ([#574](https://github.com/kedacore/keda/issues/574))
+- Add instructions on local development and debugging ([#583](https://github.com/kedacore/keda/issues/583))
+- Add a checkenv target ([#600](https://github.com/kedacore/keda/issues/600))
+- Mentioning problem with checksum mismatch error ([#605](https://github.com/kedacore/keda/issues/605))
+
+## v1.1
+
+### New
+
+- Introduce new Huawei Cloud CloudEye scaler ([#478](https://github.com/kedacore/keda/issues/478))
+- Introduce new kinesis stream scaler ([#526](https://github.com/kedacore/keda/issues/526))
+- Introduce new Azure blob scaler ([#514](https://github.com/kedacore/keda/issues/514))
+- Support for SASL authentication for Kafka scaler ([#486](https://github.com/kedacore/keda/issues/486))
+
+### Improvements
+
+- Event Hub scalar expansion to work with Java and C# applications ([#517](https://github.com/kedacore/keda/issues/517))
+- Escape Prometheus querystring ([#521](https://github.com/kedacore/keda/issues/521))
+- Change how number of pending messages is calculated and add more error handling. ([#533](https://github.com/kedacore/keda/issues/533))
+- Service bus scaler pod identity fix ([#534](https://github.com/kedacore/keda/issues/534))
+- Eventhub scalar fix ([#537](https://github.com/kedacore/keda/issues/537))
+- Kafka scaler fix for SASL plaintext auth ([#544](https://github.com/kedacore/keda/issues/544))
+
+### Breaking Changes
+
+None.
+
+### Other
+
+- ScaledObject Status clean up ([#466](https://github.com/kedacore/keda/issues/466))
+- Add default log level for operator ([#468](https://github.com/kedacore/keda/issues/468))
+- Ensure get the metrics that have been aggregated ([#509](https://github.com/kedacore/keda/issues/509))
+- Scale from zero when minReplicaCount is > 0 ([#524](https://github.com/kedacore/keda/issues/524))
+- Total running Jobs must not exceed maxScale - Running jobs ([#528](https://github.com/kedacore/keda/issues/528))
+- Check deploymentName definition in ScaledObject ([#532](https://github.com/kedacore/keda/issues/532))
+
+## v1.0
+
+### New
+
+- Many more scalers added
+- Scaler extensibility (run scalers in a different container and communicate with KEDA via gRPC)
+- TriggerAuthentication and Pod Identity for identity based auth that can be shared across deployments
+- Schedule jobs on events in addition scaling out deployments
+
+### Improvements
+
+- Additional tests and automation through GitHub Actions
+
+### Breaking Changes
+
+- RabbitMQ `host` property now must resolve from a secret ([#347](https://github.com/kedacore/keda/issues/347))
+
+### Other
+
+None.

RELEASE-PROCESS.MD

@@ -6,7 +6,7 @@ The release process of a new version of KEDA involves the following:
 
 Look at the last released version in the releases page: https://github.com/kedacore/keda/releases
 For example: currently it is 1.1.0
-The next version will thus be 1.2.0 
+The next version will thus be 1.2.0
 
 **1) Update KEDA version in code and YAMLs**
 
@@ -17,13 +17,17 @@ The next version will thus be 1.2.0
     > Note: This will update the version labels and images in the yaml files located in the `deploy` folder as well as the version in `version.go`.
 * Commit these changes.
 
-**2) Deploy the new KEDA images to Docker Hub**
+**2) Changelog**
+
+Provide a new section in `CHANGELOG.md` for the new version that is being released along with the new features, patches and deprecations it introduces.
+
+**3) Deploy the new KEDA images to Docker Hub**
 
 The Docker Hub repo with all the different images can be seen here: https://hub.docker.com/r/kedacore/keda/tags
 
-Creating a new release in the the releases page (https://github.com/kedacore/keda/release) will trigger a GitHub workflow which will create a new image with the latest code and tagged with the next version (in this example 1.2.0) and also change the latest tag to point to this image as well. 
+Creating a new release in the the releases page (https://github.com/kedacore/keda/release) will trigger a GitHub workflow which will create a new image with the latest code and tagged with the next version (in this example 1.2.0) and also change the latest tag to point to this image as well.
 
-**3) Update Helm Charts**
+**4) Update Helm Charts**
 
 a). Update the version and appVersion here:  https://github.com/kedacore/charts/blob/master/keda/Chart.yaml 
 b). In the image section update the keda and metricsAdapter to point to the docker images from step 1 https://github.com/kedacore/charts/blob/master/keda/values.yaml