6.0.0-rc2 Release Notes
edit Also see Breaking changes in 6.0.
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Inner Hits
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Return the _source of inner hit nested as is without wrapping it into its full path context #26982 (issues: #26102, #26944)
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Core
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Index Templates
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Fix error message for a put index template request without index_patterns #27102 (issue: #27100)
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Mapping
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Don’t detect source’s XContentType in DocumentParser.parseDocument() #26880
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Network
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Add additional low-level logging handler #26887
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Unwrap causes when maybe dying #26884
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Plugins
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Adjust SHA-512 supported format on plugin install #27093
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REST
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Aggregations
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Create weights lazily in filter and filters aggregation #26983
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Fix IndexOutOfBoundsException in histograms for NaN doubles (#26787) #26856 (issue: #26787)
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Scripted_metric _agg parameter disappears if params are provided #19863 (issue: #19768)
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CAT API
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Fix NPE for /_cat/indices when no primary shard #26953 (issue: #26942)
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Cache
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Reduce the default number of cached queries. #26949 (issue: #26938)
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Core
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Timed runnable should delegate to abstract runnable #27095 (issue: #27069)
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Stop invoking non-existent syscall #27016 (issue: #20179)
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MetaData Builder doesn’t properly prevent an alias with the same name as an index #26804
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Ingest
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date processor should not fail if timestamp is specified as json number #26986 (issue: #26967)
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date_index_name processor should not fail if timestamp is specified as json number #26910 (issue: #26890)
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Internal
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Upgrade Lucene to version 7.0.1 #26926
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Java High Level REST Client
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Make ShardSearchTarget optional when parsing ShardSearchFailure #27078 (issue: #27055)
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Java REST Client
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rest-client-sniffer: configurable threadfactory #26897
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Mapping
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wrong link target for datatype murmur3 #27143
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Network
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Check for closed connection while opening #26932
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Packaging
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Fix handling of Windows paths containing parentheses #26916 (issue: #26454)
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Percolator
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Also support query extraction for queries wrapped inside a ESToParentBlockJoinQuery #26754
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Plugin Analysis Phonetic
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Fix beidermorse phonetic token filter for unspecified
languageset #27112 (issue: #26771)
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Plugin Repository Azure
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Use Azure upload method instead of our own implementation #26751
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REST
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Fix inconsistencies in the rest api specs for cat.snapshots #26996 (issues: #25737, #26923)
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Fix inconsistencies in the rest api specs for *_script #26971 (issue: #26923)
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exists template needs a template name #25988
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Reindex API
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Fix update_by_query’s default size parameter #26784 (issue: #26761)
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Search
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Avoid stack overflow on search phases #27069 (issue: #27042)
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Fix search_after with geo distance sorting #26891
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Fix serialization errors when cross-cluster search goes to a single shard #26881 (issue: #26833)
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Early termination with index sorting should not set terminated_early in the response #26597 (issue: #26408)
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Format doc values fields. #22146
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Sequence IDs
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Fire global checkpoint sync under system context #26984
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Settings
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Emit settings deprecation logging on empty update #27017 (issue: #26419)
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Fix filtering for ListSetting #26914
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Stats
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Keep cumulative elapsed scroll time in microseconds #27068 (issue: #27046)
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Suggesters
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Fix division by zero in phrase suggester that causes assertion to fail #27149