Elasticsearch version 8.1.1edit
Also see Breaking changes in 8.1.
Known issuesedit
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Parsing a request when the last element in an array is filtered out
(for instance using
_source_includes) fails. This
is due to a bug in Jackson parser.
Fixed in Elasticsearch 8.6.1 (#91456)
Bug fixesedit
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Analysis
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Fix
min_hash configuration settings names #84753 (issue: #84578)
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EQL
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Clean any used memory by the sequence matcher and circuit breaker used bytes in case of exception #84451
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Engine
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Increase store ref before snapshotting index commit #84776
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ILM+SLM
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Invoke initial
AsyncActionStep for newly created indices #84541 (issue: #77269)
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Indices APIs
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Remove existing
indices/datastreams/aliases before simulating index template #84675 (issue: #84256)
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Infra/Core
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Fix
NullPointerException in SystemIndexMetadataUpgradeService hidden alias handling #84780 (issue: #81411)
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Require and preserve content type for filtered rest requests #84914 (issue: #84784)
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Wrap thread creation in
doPrivileged call #85180
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Infra/REST API
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Correctly return
_type field for documents in V7 compatiblity mode #84873 (issue: #84173)
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Ingest
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Backport mark
GeoIpDownloaderTask as completed after cancellation #84028 #85014 (issues: #84028, #84652)
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CompoundProcessor should also catch exceptions when executing a processor #84838 (issue: #84781)
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Machine Learning
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Fix Kibana date format and similar overrides in text structure endpoint #84967
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Fixes for multi-line start patterns in text structure endpoint #85066
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Return all datafeeds in get anomaly detection jobs API #84759
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Packaging
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Remove use of Cloudflare zlib #84680
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Search
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Fix point visitor in
DiskUsage API #84909
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DotExpandingXContentParser to expose the original token location #84970
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Snapshot/Restore
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Don’t fail if there no symlink for AWS Web Identity Token #84697
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Lookup AWS Region for STS Client from STS endpoint #84585 (issue: #83826)
Enhancementsedit
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SQL
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Forward warning headers to JDBC driver #84499
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Watcher
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Add list of allowed domains for Watcher email action #84894 (issue: #84739)