Context:
Many customers want to use the latest version of ElasticSearch since it supports a lot of new features for setting up ES in a cloud cluster environment.

AT:

• the breaking changes that affect Optimize are located
• the first increment of the ElasticSearch 7.0 support is implemented, which means:
  • no upgrade is handled
  • the integration test steps for the upgrade/migration might be disabled
  • no documentation for the users available/added
• there are is a break down in place on how to continue with the ElasticSearch support.