This section discusses the changes that you need to be aware of when migrating your application to Elasticsearch 2.3.여기에서는 application을 Elasticsearch 2.3 으로 migration할 경우 알아야 할 변경 사항에 대해 이야기한다.REST APIeditCORS support broken in 2.3.0 and 2.3.1editA change to the CORS implementation means that CORS support for pre-flight OPTIONS requests is broken in 2.3.0 and 2.3.1. This is fixed in 2.3.2.CORS 구..