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Elasticsearch version 8.<strong>19</strong>.5 | Elasticsearch Guide [8.<strong>19</strong>] | Elastic
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Elasticsearch version 8.19.5

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IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.

Elasticsearch version 8.19.5

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Also see Breaking changes in 8.19.

The 8.19.5 release contains fixes for potential security vulnerabilities. Please see our security advisory for more details.

Bug fixes

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Aggregations
  • Propagates filter() to aggregation functions' surrogates #134461 (issue: #134380)
Codec
  • Address es819 tsdb doc values format performance bug #135505 (issue: #135340)
ES|QL
  • Ban Limit + MvExpand before remote Enrich #135051
  • Fix async get results with inconsistent headers #135078 (issue: #135042)
  • Fix expiration time in ES|QL async #135209 (issue: #135169)
Engine
  • Bypass MMap arena grouping as this has caused issues with too many regions being mapped #135012
  • Fix deadlock in ThreadPoolMergeScheduler when a failing merge closes the IndexWriter #134656
Geo
  • CentroidCalculator does not return negative summation weights #135176 (issue: #131861)
Infra/Core
  • Bug fix: Facilitate second retrieval of the same value #134790 (issue: #134770)
Infra/Node Lifecycle
  • Fix systemd notify to use a shared arena #135235
Ingest Node
  • Correctly apply field path to JSON processor when adding contents to document root #135479
Machine Learning
  • Add .reindexed-v7-ml-anomalies-* to anomaly results template index pattern #135270
  • Gracefully shutdown model deployment when node is removed from assignment routing #134673
  • Reset health status on successful empty checkpoint #135653 (issue: #135650)
  • Tolerate mixed types in datafeed stats sort #135096
Mapping
  • Avoid holding references to SearchExecutionContext in SourceConfirmedTextQuery #134887
  • Fix for creating semantic_text fields on pre-8.11 indices crashing Elasticsearch #135845
  • Fixed match only text block loader not working when a keyword multi field is present #134582
Search
  • Fix KQL case-sensitivity for keyword fields in ES|QL #135776 (issue: #135772)
Transform
  • Fix a bug in the GET _transform API that incorrectly claims some Transform configurations are missing #134963 (issue: #134263)
  • Prevent Transform from queuing too many PIT close requests by waiting for PIT to close before finishing the checkpoint #134955 (issue: #134925)

Enhancements

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Audit
* Change reindex to use ::es-redacted
filtering #135414
Authorization
  • [Island Browser] Add manage, create_index, read, index, write, delete, permission for third party agent indices kibana_system #134636 (issue: #134136)
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