6.0.0-rc1 Release Notes
edit Also see Breaking changes in 6.0.
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Packaging
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Configure heap dump path out of the box #26755 (issue: #26665)
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Query DSL
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Remove deprecated
type and slop field in match query #26720
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Remove several parse field deprecations in query builders #26711
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Remove deprecated parameters from
ids_query #26508
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Plugins
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Plugins: Add backcompat for sha1 checksums #26748 (issue: #26746)
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Core
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Allow
InputStreamStreamInput array size validation where applicable #26692
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Refactor bootstrap check results and error messages #26637
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Add BootstrapContext to expose settings and recovered state to bootstrap checks #26628
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Unit testable index creation task on MetaDataCreateIndexService #25961
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Discovery
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Allow plugins to validate cluster-state on join #26595
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Mapping
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More efficient encoding of range fields. #26470 (issue: #26443)
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Plugin Repository HDFS
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Add permission checks before reading from HDFS stream #26716 (issue: #26714)
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Recovery
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Introduce a History UUID as a requirement for ops based recovery #26577 (issue: #10708)
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Scripting
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ScriptService: Replace max compilation per minute setting with max compilation rate #26399
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Search
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Add soft limit on allowed number of script fields in request #26598 (issue: #26390)
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Add a soft limit for the number of requested doc-value fields #26574 (issue: #26390)
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Sequence IDs
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Aggregations
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Do not delegate a null scorer to LeafBucketCollectors #26747 (issue: #26611)
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Core
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Fix cache compute if absent for expired entries #26516
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Dates
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Highlighting
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Fix percolator highlight sub fetch phase to not highlight query twice #26622
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Inner Hits
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Do not allow inner hits that fetch _source and have a non nested object field as parent #25749 (issue: #25315)
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Internal
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IndexShard.routingEntry should only be updated once all internal state is ready #26776
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Catch exceptions and inform handler in RemoteClusterConnection#collectNodes #26725 (issue: #26700)
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Internal: Add versionless alias for rest client codebase in policy files #26521
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Java API
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BulkProcessor flush runnable preserves the thread context from creation time #26718 (issue: #26596)
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Java High Level REST Client
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Make RestHighLevelClient’s Request class public #26627 (issue: #26455)
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Forbid direct usage of ContentType.create() methods #26457 (issues: #22769, #26438)
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Java REST Client
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Better message text for ResponseException #26564
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Mapping
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Allow copying from a field to another field that belongs to the same nested object. #26774 (issue: #26763)
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Plugin Analysis Kuromoji
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Plugin Discovery File
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Fix discovery-file plugin to use custom config path #26662 (issue: #26660)
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Plugin Repository Azure
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Azure snapshots can not be restored anymore #26778 (issues: #22858, #26751, #26777)
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Snapshot : azure module - accelerate the listing of files (used in delete snapshot) #25710 (issue: #25424)
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Plugin Repository HDFS
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Add Log4j to SLF4J binding for repository-hdfs #26514 (issue: #26512)
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Query DSL
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Fixed incomplete JSON body on count request making org.elasticsearch.rest.action.RestActions#parseTopLevelQueryBuilder go into endless loop #26680 (issue: #26083)
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Search
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Fail query when a sort is provided in conjunction with rescorers #26510
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Let search phases override max concurrent requests #26484 (issue: #26198)
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Similarities
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Add boolean similarity to built in similarity types #26613
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Upgrade API
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Upgrade API: fix excessive logging and unnecessary template updates #26698 (issue: #26673)
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Core
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Upgrade to Lucene 7.0.0 #26744
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Upgrade to lucene-7.0.0-snapshot-d94a5f0. #26441
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Logging
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