--- upgrade: - | When deploying Monasca with Logstash 6, any custom Logstash 2 configuration for Monasca will need to be updated to work with Logstash 6. Please consult the `documentation `__. fixes: - | When deploying Elasticsearch 6, Logstash 2 was deployed by default which is not compatible with Elasticsearch 6. Logstash 6 is now deployed by default.