5.5.3 Release Notes

See Multi data path bug in Elasticsearch 5.3.0.

Also see Breaking changes in 5.5.

Breaking MSI Windows Installer changes

Upgrades from 5.5.0, 5.5.1, 5.5.2. See release notes
  • ES_HOME and ES_CONFIG environment variables unset after successful upgrade
  • Windows Service stopped after successful upgrade

Deprecations

Mapping
  • Add deprecation logging when _all is enabled #26228 (issue: #22144)

Bug fixes

Packaging
  • setgid on /etc/elasticearch on package install #26412 (issue: #26410)