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WARNING: Version 5.5 of Elasticsearch has passed its EOL date.

This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.

Elasticsearch Reference [5.5] » Release Notes » 5.5.3 Release Notes
« Release Notes 5.5.2 Release Notes »

5.5.3 Release Notesedit

See Multi data path bug in Elasticsearch 5.3.0.

Also see Breaking changes in 5.5.

Breaking MSI Windows Installer changesedit

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

Deprecationsedit

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

Bug fixesedit

Packaging
  • setgid on /etc/elasticearch on package install #26412 (issue: #26410)
« Release Notes 5.5.2 Release Notes »