Elasticsearch version 8.15.3
edit Also see Breaking changes in 8.15.
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Aggregations
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Don’t validate internal stats if they are empty #113846 (issue: #113811)
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Fix
needsScore computation in GlobalOrdCardinalityAggregator #113129 (issue: #112975)
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Authentication
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Enables cluster state role mapper, to include ECK operator-defined role mappings in role resolution #114337
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ES|QL
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ES|QL: Ensure minimum capacity for
PlanStreamInput caches #114116
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ES|QL: Skip CASE function from
InferIsNotNull rule checks #113123 (issue: #112704)
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[ESQL] Fix init value in max float aggregation #113699
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[ESQL] Support datetime data type in Least and Greatest functions #113961
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Machine Learning
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Fix check on E5 model platform compatibility #113437 (issue: #113577)
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Handle parsing ingest processors where definition is not a object #113697 (issue: #113615)
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[ML][backport] Warn for model load failures if they have a status code <500 #113410
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[M] Fix error message formatting #113266
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Search
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Fix analyzed wildcard query in simple_query_string when disjunctions is empty #114264 (issue: #114185)
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Fix collapse interaction with stored fields #112761 (issue: #112646)
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Machine Learning
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Write downloaded model parts async #111684
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Snapshot/Restore
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Upgrade protobufer to 3.25.5 #113869