Elasticsearch version 8.2.0edit
Bug fixesedit
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Aggregations
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Don’t apply the rewrite-as-range optimization if field is multivalued #84535 (issue: #82903)
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Fix
AdaptingAggregator
toString
method #86042
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Fix: nested top metrics sort on keyword field #85058
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Fix: use the correct field name when reading data from multi fields #84752
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Analysis
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Add tests for
min_hash
configuration and fix settings names #84753 (issue: #84578)
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Authorization
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Add delete privilege to
kibana_system
for APM #85085
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Ensure API key can only see itself with
QueryApiKey
API #84859
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Fix ownership of refresh tokens #85010
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Grant
kibana_system
role read access to APM data streams #85744
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Handle role descriptor retrieval for internal users #85049
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Ignore app priv failures when resolving superuser #85519
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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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Geo
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Fix fields wildcard support to vector tile search API #85595 (issue: #85592)
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Highlighting
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Fix wildcard highlighting on
match_only_text
#85500 (issue: #85493)
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ILM+SLM
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Fix Stacktraces Taking Memory in ILM Error Step Serialization #84266
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Invoke initial
AsyncActionStep
for newly created indices #84541 (issue: #77269)
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Retry clean and create snapshot if it already exists #83694 #84829 (issue: #83694)
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Skip the shrink step if the number of shards of the shrunk index is the same with the original #84434 (issue: #80180)
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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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Prevent
ThreadContext
header leak when sending response #68649 (issue: #68278)
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Relax data path deprecations from critical to warn #85952
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Require and preserve content type for filtered rest requests #84914 (issue: #84784)
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Return empty version instead of blowing up if we cannot find it #85244
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Validate index format agreement for system index descriptors #85173
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Wrap thread creation in
doPrivileged
call #85180
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Infra/Plugins
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Strengthen elasticsearch plugin version check #85340 (issue: #85336)
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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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Mark
GeoIpDownloaderTask
as completed after cancellation #84028
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CompoundProcessor
should also catch exceptions when executing a processor #84838 (issue: #84781)
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License
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Fix license downgrade warnings for API Keys and Tokens #85276 (issue: #75271)
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Machine Learning
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Allow retrieving
boolean
fields from _source
in DFA jobs #85672
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Avoid multiple queued quantiles documents in renormalizer #85555 (issue: #85539)
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Disallow new trained model deployments when nodes are different versions #85465
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Do not fetch source when finding index of last state docs #85334
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Ensure that inference index primary shards are available before attempting to load model #85569
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Fix Kibana date format and similar overrides in text structure endpoint #84967
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Fix race condition when stopping a recently relocated datafeed #84636
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Fix serialisation of text embedding updates #85863
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Fixes for multi-line start patterns in text structure endpoint #85066
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Fixes to making old ML indices hidden #85383
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Reallocate model deployments on node shutdown events #85310
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Retry datafeed searches on skipped CCS clusters #84052 (issue: #83838)
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Return all Datafeeds with GET Anomaly Detector #84759
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Mapping
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Do not fail on duplicated content field filters #85382
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Runtime fields core-with-mapped tests support tsdb #83577
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Packaging
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Remove use of Cloudflare zlib #84680
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Rollup
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Add support for comma delimited index patterns to rollup job configuration #47041 (issue: #45591)
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SQL
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Add range checks to interval multiplication operation #83478 (issue: #83336)
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Avoid empty last pages for GROUP BY queries when possible #84356 (issue: #75528)
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Fix SQLCompatIT.testCursorFromOldNodeFailsOnNewNode #85531 (issue: #85520)
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Fix issues with format=txt when paging through result sets and in mixed node environments #83833 (issues: #83581, #83788)
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Improve ROUND and TRUNCATE to better manage Long values and big Doubles #85106 (issues: #85105, #49391)
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Use exact attributes for script templates from scalar functions #84813 (issue: #80551)
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RANDOM(<expr>)
always evaluates to NULL
if <expr>
is NULL
#84632 (issue: #84627)
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Search
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Fix point visitor in
DiskUsage
API #84909
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Fix skip caching factor with
indices.queries.cache.all_segments
#85510
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Increase store ref before analyzing disk usage #84774
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Limit concurrent shard requests in disk usage API #84900 (issue: #84779)
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Rewrite
match_all
inside must_not
#85999
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DotExpandingXContentParser
to expose the original token location #84970
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TransportBroadcastAction
should always set response for each shard #84926
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Security
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Authentication.token
now uses version from the existing authentication #85978
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Ensure tokens represent effective user’s identity in all cases #84263
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Snapshot/Restore
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Don’t fail if there is no symlink for AWS Web Identity Token #84697
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Expose proxy settings for GCS repositories #85785 (issue: #84569)
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Fix atomic writes in HDFS #85210
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Fix leaking listeners bug on frozen tier #85239
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Fix snapshot status messages on node-left #85021
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Ignore frozen shared cache file during data folder upgrades #85638 (issue: #85603)
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[s3-repository] Lookup AWS Region for STS Client from STS endpoint #84585 (issue: #83826)
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Stats
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Discard intermediate results upon cancellation for stats endpoints #82685 (issue: #82337)
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Transform
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Correctly validate permissions when retention policy is configured #85413 (issue: #85409)
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Watcher
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Avoiding watcher validation errors when a data stream points to more than one index #85507 (issue: #85508)
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Log at WARN level for Watcher cluster state validation errors #85632
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No longer require master node to install Watcher templates #85287 (issue: #85043)
Enhancementsedit
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Aggregations
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Aggs: no filter-by-filter if
_doc_count
field #84427 (issue: #84048)
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Extract agg bounds from queries in FILTER #83902
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Give Lucene more opportunities to enable the filter-by-filter optimization #85322
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Improve performance of
date_histogram
when date histogram is in a BoostingQuery #83751 (issues: #82384, #75542)
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Allocation
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Make allocation explanations more actionable #83983
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Use static empty store files metadata #84034
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Audit
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User Profile - Audit security config change for profile APIs #84785
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Authentication
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Adds domain information to authentication object #82639
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Improve BWC for persisted authentication headers #83913 (issue: #83567)
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Warn on SAML attributes with special attribute names #85248 (issue: #48613)
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Authorization
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Add elastic/enterprise-search-server service account #83325
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Add index privileges for logs-enterprise_search.api-default to the enterprise-search-server service account #84965
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Add indices permissions to Enterprise Search service account #85726
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Note restricted indices in access denied message #85013
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Security global privilege for updating profile data of applications #83728
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[Osquery] Extend
kibana_system
role with an access to osquery_manager
indices #84279
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CRUD
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Speed up Reading
RetentionLeases
from the Wire #85159
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Cluster Coordination
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Avoid deserializing cluster states on master #58416
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Improve logging for connect-back failures #84915
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Remove intermediate map from master task execution #84406
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Reuse
JoinTaskExecutor
#85325
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Speed up
MetadataStateFormat
Writes #85138
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Data streams
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Speed up
DatastreamTimestampFieldMapper#postParse
#85270
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Discovery-Plugins
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Distributed
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Add elasticsearch health API #83119
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Geo
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Add
geohex_grid
aggregation to vector tiles API #84553
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Added buffer pixels to vector tile spec parsing #84710 (issue: #84492)
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Normalise polygons only when necessary #84229 (issue: #35349)
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Support GeoJSON for
geo_point
#85120
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Health
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Fix naming in health indicators #83587
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ILM/SLM health indicator services #83440
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Introduce dedicated interface for health indicator details #83417
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Repository integrity health indicator services #83445
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Shards allocation health indicator services #83513
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ILM+SLM
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Cache ILM policy name on
IndexMetadata
#83603 (issue: #83582)
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GET _index_template and GET _component_template request support query parameter flat_settings #83297
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Make rollover cancellable #81763 #84584 (issue: #81763)
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Rollover add max_primary_shard_docs condition #80981
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Speed up ILM cluster task execution #85405 (issue: #82708)
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Indices APIs
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Batch add index block cluster state updates #84374
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Batch close-indices cluster state updates #84259
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Batch open-indices cluster state updates #83760
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Remove LegacyCTRAL from
TransportRolloverAction
#84166
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Infra/Core
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Add support for negtive epoch timestamps #80208 (issues: #79135, #72123, #40983)
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Allow yaml values for dynamic node settings #85186 (issue: #65577)
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Improve XContent Array Parser #84477
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Optimize
ImmutableOpenMap.Builder
#85184
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Provide system attribute when resolving system indices #85042 (issue: #82671)
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Remove Lucene split packages #82132 (issue: #81981)
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Simplify reading a list and converting it to a map from stream #84183
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Speed up CompressedXContent Serialization #84802
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Update
readMap
to avoid resizing map during reading #84045
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Infra/Plugins
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Infra/Scripting
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Script: Fields API for Dense Vector #83550
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Ingest
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Do not throw exceptions when resolving paths in ingest documents #84659
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RemoveProcessor updated to support fieldsToKeep #83665
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Machine Learning
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Add ML memory stats API #83802
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Add support for RoBERTa and BART NLP models #84777
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Add throughput stats for Trained Model Deployments #84628
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Improve
zero_shot_classification
tokenization performance #84988 (issue: #84820)
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Mapping
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Check the utf8 length of keyword field is not bigger than 32766 in ES, rather than in Lucene. #83738 (issue: #80865)
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Make
FieldMapper.Param
Cheaper to Construct #85191
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Terms enum support for doc value only keyword fields #83482 (issue: #83451)
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Network
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Use Throttling Netty Write Handler on HTTP Path #84751
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Query Languages
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Recovery
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Improve failure logging in recovery-from-snapshot #84910
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Reindex
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Use
SecureString
for reindex from remote password #85091
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SQL
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Search
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Add filtering to fieldcaps endpoint #83636 (issue: #82966)
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Group field caps response by index mapping hash #83494 (issues: #78665, #82879)
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Integrate filtering support for ANN #84734 (issue: #81788)
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Speed up merging field-caps response #83704
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Security
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Bind host all instead of just site when needed #83145
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Fleet: Add a new mapping for .fleet-actions-results
action_input_type
field #84316
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Update X509Certificate principal methods #85163 (issue: #81008)
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User Profile - Add APIs for enable/disable profile #84548
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User Profile - Add rest spec files and tests #83307
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User Profile - More REST spec, tests, API docs #84597
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User Profile - Update APIs to work with domain #83570
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User Profile - Update xpack usage output for domains #84747
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User Profile - capture domain when creating API keys and tokens #84547
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User Profile: Add feature flag #83347
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User Profile: Add initial search profile API #83191
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User Profile: handle racing on creating new profile #84208
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TSDB
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TSDB: Expand
_id
on version conflict #84957
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TSDB: Reject the nested object fields that are configured time_series_dimension #83920
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TSDB: routingPath object type check improvement #83310
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TSDB: shrink
_id
inverted index #85008
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Watcher
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Add list of allowed domains for Watcher email action #84894 (issue: #84739)
New featuresedit
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Aggregations
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New
random_sampler
aggregation for sampling documents in aggregations #84363
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Authentication
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Add JWT realm support for JWT validation #83155
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Add smoke test for JWT realm wiring #84249
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Support mail, name, and dn claims in JWT realms #84907
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Authorization
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API Key APIs with Security Domain #84704
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Health
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Add Health Indicator Plugin #83205
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Adding impacts block to the health info API response #84899 (issue: #84773)
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Indices APIs
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Adding cat api for component template #71274 (issue: #68941)
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Infra/Core
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Introduce an unauthenticated endpoint for readiness checks #84375 (issue: #81168)
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Machine Learning
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Adds new
change_point
pipeline aggregation #83428
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Search
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Introduce lookup runtime fields #82385
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Resolve wildcards in disk usage API #84832
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TSDB
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TSDB: Support GET and DELETE and doc versioning #82633
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Infra/Core
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Upgrade jackson for x-content to 2.13.2 #84905
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Ingest
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Bump commons-compress to 1.21 #85581
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Network
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Upgrade Netty to 4.1.74 #84562
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Packaging
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Search
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Upgrade to lucene 9.1.0-snapshot-5b522487ba8 #85025