IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
Elastic Docs ›Elasticsearch Guide [6.3] ›Release Notes
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Elasticsearch version 6.2.3edit

Enhancementsedit

Highlighting
Recovery
  • Require translogUUID when reading global checkpoint #28587 (issue: #28435)

Bug Fixesedit

Core
  • Remove special handling for _all in nodes info #28971 (issue: #28797)
Engine
  • Avoid class cast exception from index writer #28989
  • Maybe die before failing engine #28973 (issues: #27265, #28967)
  • Never block on key in LiveVersionMap#pruneTombstones #28736 (issue: #28714)
Ingest
  • Continue registering pipelines after one pipeline parse failure. #28752 (issue: #28269)
Java High Level REST Client
  • REST high-level client: encode path parts #28663 (issue: #28625)
Machine Learning
Monitoring
  • Aligned reporting of index statistics that exist in the current cluster state. This fix avoids subtle race conditions in stats reporting.
Packaging
Percolator
  • Fix percolator query analysis for function_score query #28854
  • Improved percolator’s random candidate query duel test #28840
Security
  • Fixed handling of comments in XML documents [ESA-2018-07].
  • Fixed auditing such that when you use a local audit index, it maintains the mappings automatically. Maintenance is necessary, for example, when new fields are introduced or document types change.
  • Added and changed settings for the SAML NameID policy. For example, added the nameid.allow_create setting and changed the default value for the SPNameQualifier setting to blank. See SAML Authentication.
  • Fixed handling of an Assertion Consumer Service (ACS) URL with existing query parameters. See SAML Authentication.
  • Fixed the PKI realm bootstrap check such that it works with secure settings. For more information, see Bootstrap Checks for X-Pack.
Snapshot/Restore
Stats
  • Fix AdaptiveSelectionStats serialization bug #28718 (issue: #28713)
Watcher
  • Fixed the serialization of failed hipchat messages, such that it no longer tries to write the status field twice.
  • Fixed TransformInput toXContent serialization errors. For more information, see Transforming chained input data.
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