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.

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Elastic Docs ›Elasticsearch Reference [5.6] ›Release Notes

5.6.4 Release Notes

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5.6.4 Release Notes

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Also see Breaking changes in 5.6.

Deprecations

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Inner Hits
  • Added deprecation logging about nested inner hits source response format change #27169

Enhancements

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Core

Bug fixes

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Aggregations
  • Create weights lazily in filter and filters aggregation #26983
CAT API
  • Fix NPE for /_cat/indices when no primary shard #26953 (issue: #26942)
Cache
  • Reduce the default number of cached queries. #26949 (issue: #26938)
Core
Ingest
  • date processor should not fail if timestamp is specified as json number #26986 (issue: #26967)
Java High Level REST Client
  • Make ShardSearchTarget optional when parsing ShardSearchFailure #27078 (issue: #27055)
Java REST Client
  • rest-client-sniffer: configurable threadfactory #26897
Mapping
  • wrong link target for datatype murmur3 #27143
Network
  • Check for closed connection while opening #26932
Packaging
  • Fix handling of Windows paths containing parentheses #26916 (issue: #26454)
Plugin Analysis Phonetic
  • Fix beidermorse phonetic token filter for unspecified languageset #27112 (issue: #26771)
Plugin Lang Painless
  • Misleading incorrect for in loop in painless documentation. #27195
REST
  • exists template needs a template name #25988
Search
  • Avoid stack overflow on search phases #27069 (issue: #27042)
  • Let search phases override max concurrent requests #26484 (issue: #26198)
Settings
  • Emit settings deprecation logging on empty update #27017 (issue: #26419)
  • Fix filtering for ListSetting #26914
Snapshot/Restore
  • Fix snapshot getting stuck in INIT state #27214 (issue: #27180)
Stats
  • Keep cumulative elapsed scroll time in microseconds #27068 (issue: #27046)
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