Small announcement to add to today's release of Elasticsearch 6.0:
Elasticsearch Curator 5.4.0 is out, and it supports Elasticsearch versions 5.x and 6.0.
Release notes: https://github.com/elastic/curator/releases/tag/v5.4.0
Documentation: https://www.elastic.co/guide/en/elasticsearch/client/curator/5.4/index.html