***Cloudwatch**: Make it possible to specify access and secret key on the data source config page [#6697](https://github.com/grafana/grafana/issues/6697)
***Table**: Added Hidden Column Style for Table Panel [#5677](https://github.com/grafana/grafana/pull/5677)
# 4.0.2 (unreleased)
***Alerting**: Add alert message to webhook notifications [#6807](https://github.com/grafana/grafana/issues/6807)