## 2020-06-24, Version 1.9.0.0

### Breaking Changes
  * Change default value of the index rollover condition ([#206](https://github.com/opendistro-for-elasticsearch/alerting/pull/206))

### Maintenance
  * Adds support for Elasticsearch 7.8.0 ([#219](https://github.com/opendistro-for-elasticsearch/alerting/pull/219))