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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 8.15.3

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IMPORTANT: This documentation is no longer updated.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

Elasticsearch version 8.15.3

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Also see Breaking changes in 8.15.

Bug fixes

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Aggregations
  • Don’t validate internal stats if they are empty #113846 (issue: #113811)
  • Fix needsScore computation in GlobalOrdCardinalityAggregator #113129 (issue: #112975)
Authentication
  • Enables cluster state role mapper, to include ECK operator-defined role mappings in role resolution #114337
ES|QL
  • ES|QL: Ensure minimum capacity for PlanStreamInput caches #114116
  • ES|QL: Skip CASE function from InferIsNotNull rule checks #113123 (issue: #112704)
  • [ESQL] Fix init value in max float aggregation #113699
  • [ESQL] Support datetime data type in Least and Greatest functions #113961
Machine Learning
  • Fix check on E5 model platform compatibility #113437 (issue: #113577)
  • Handle parsing ingest processors where definition is not a object #113697 (issue: #113615)
  • [ML][backport] Warn for model load failures if they have a status code <500 #113410
  • [M] Fix error message formatting #113266
Search
  • Fix analyzed wildcard query in simple_query_string when disjunctions is empty #114264 (issue: #114185)
  • Fix collapse interaction with stored fields #112761 (issue: #112646)

Enhancements

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Machine Learning
  • Write downloaded model parts async #111684

Upgrades

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Snapshot/Restore
  • Upgrade protobufer to 3.25.5 #113869
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