Elasticsearch version 8.15.1
edit Also see Breaking changes in 8.15.
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Elasticsearch will not start if custom role mappings are configured using the
xpack.security.authc.realms.*.files.role_mapping configuration option. As a workaround, custom role mappings
can be configured using the REST API (issue: #112503)
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Aggregations
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Authorization
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ES|QL
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Avoid losing error message in failure collector #111983 (issue: #111894)
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Avoid wrapping rejection exception in exchange #112178 (issue: #112106)
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ESQL: Fix for overzealous validation in case of invalid mapped fields #111475 (issue: #111452)
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Geo
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Add maximum nested depth check to WKT parser #111843
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Always check
crsType when folding spatial functions #112090 (issue: #112089)
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Fix NPE when executing doc value queries over shape geometries with empty segments #112139
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Indices APIs
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Fix template alias parsing livelock #112217
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Infra/Core
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Ingest Node
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Fixing incorrect bulk request took time #111863 (issue: #111854)
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Improve performance of grok pattern cycle detection #111947
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Logs
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Merge multiple ignored source entires for the same field #111994 (issue: #111694)
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Machine Learning
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[Inference API] Move Delete inference checks to threadpool worker #111646
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Mapping
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Check for valid
parentDoc before retrieving its previous #112005 (issue: #111990)
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Fix calculation of parent offset for ignored source in some cases #112046
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Fix synthetic source for empty nested objects #111943 (issue: #111811)
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No error when
store_array_source is used without synthetic source #111966
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Prevent synthetic field loaders accessing stored fields from using stale data #112173 (issue: #112156)
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Ranking
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Properly handle filters on
TextSimilarityRank retriever #111673
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Relevance
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Semantic reranking should fail whenever inference ID does not exist #112038 (issue: #111934)
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[Bugfix] Add
accessDeclaredMembers permission to allow search application templates to parse floats #111285
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Search
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Explain Function Score Query #111807
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Security
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Fix "unexpected field [remote_cluster]" for CCS (RCS 1.0) when using API key that references
remote_cluster #112226
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Fix connection timeout for
OpenIdConnectAuthenticator get Userinfo #112230
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Vector Search
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Fix
NullPointerException when doing knn search on empty index without dims #111756 (issue: #111733)
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Speed up dense/sparse vector stats #111729 (issue: #111715)