WARNING: Version 5.6 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.

« 5.2.2 Release Notes 5.2.0 Release Notes »
Elastic Docs ›Elasticsearch Reference [5.6] ›Release Notes

5.2.1 Release Notes

edit

5.2.1 Release Notes

edit

Also see Breaking changes in 5.2.

Deprecations

edit
Geo
  • Geo distance range deprecation #22835

Enhancements

edit
Allocation
  • Include stale replica shard info when explaining an unassigned primary #22826

Bug fixes

edit
Cache
  • Invalidate cached query results if query timed out #22807 (issue: #22789)
Mapping
  • Range types causing GetFieldMappingsIndexRequest to fail due to NullPointerException in RangeFieldMapper.doXContentBody when include_defaults=true is on the query string #22925
  • Disallow introducing illegal object mappings (double ..) #22891 (issue: #22794)
Plugin Ingest Attachment
Plugin Lang Painless
  • Don’t allow casting from void to def in painless #22969 (issue: #22908)
  • Fix def invoked qualified method refs #22918
Reindex API
  • Reindex: do not log when can’t clear old scroll #22942 (issue: #22937)
  • Fix reindex-from-remote from <2.0 #22931 (issue: #22893)
Settings
  • Expose search.highlight.term_vector_multi_value as a node level setting #22999

Regressions

edit
Core
  • Source filtering: only accept array items if the previous include pattern matches #22593 (issue: #22557)

Upgrades

edit
Internal
  • Upgrade to Lucene 6.4.1. #22978
« 5.2.2 Release Notes 5.2.0 Release Notes »