IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elasticsearch Guide [8.15] ›Release notes

Elasticsearch version 8.15.4

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Elasticsearch version 8.15.4

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Also see Breaking changes in 8.15.

Bug fixes

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Aggregations
  • Always check the parent breaker with zero bytes in PreallocatedCircuitBreakerService #115181
Data streams
  • Resolve pipelines from template on lazy rollover write #116031 (issue: #112781)
  • [apm-data] Apply lazy rollover on index template creation #116219 (issue: #116230)
ES|QL
Geo
  • Try to simplify geometries that fail with TopologyException #115834
Infra/Core
  • Fix max file size check to use getMaxFileSize #113723 (issue: #113705)
  • Guard blob store local directory creation with doPrivileged #115459
License
  • Fix lingering license warning header in IP filter #115510 (issue: #114865)
Machine Learning
  • Prevent NPE if model assignment is removed while waiting to start #115430
Search
  • Do not exclude empty arrays or empty objects in source filtering #112250 (issue: #109668)
  • Fix synthetic source handling for bit type in dense_vector field #114407 (issue: #114402)
Vector Search
  • Fix dim validation for bit element_type #114533
  • Support semantic_text in object fields #114601 (issue: #114401)

Enhancements

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Data streams
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