Elasticsearch version 7.0.1
Also see Breaking changes in 7.0.
Enhancements
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CCR
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Reduce security permissions in CCR plugin #41391
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Infra/Packaging
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Machine Learning
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Allow xpack.ml.max_machine_memory_percent higher than 100% #41193
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Add the "time" system call to the syscall filter #459 (issue: #41101)
Bug fixes
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Allocation
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Short-circuit rebalancing when disabled #40966 (issue: #40942)
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Authorization
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Fix role mapping DN field wildcards for users with NULL DNs #41343 (issue: #41305)
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Fix Has Privilege API check on restricted indices #41226
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Fix put mapping authorization for aliases with a write-index and multiple read indices #40834 (issue: #40831)
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Use alias name from rollover request to query indices stats #40774 (issue: #40771)
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CCR
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Suppress lease background sync failures if stopping #40902
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Cluster Coordination
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Fix multi-node parsing in voting config exclusions REST API #41588 (issue: #41587)
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Validate cluster UUID when joining Zen1 cluster #41063 (issue: #37775)
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Engine
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Mark searcher as accessed in acquireSearcher #41335
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Features/Monitoring
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Properly handle all Monitoring exporters being disabled #40920 (issue: #40919)
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Features/Watcher
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Use environment settings instead of state settings for Watcher config #41087 (issue: #41042)
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Highlighting
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Unified highlighter should ignore terms that target the _id field #41275 (issue: #37525)
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Unified highlighter should respect no_match_size with number_of_fragments set to 0 #41069 (issue: #41066)
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Infra/Settings
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Always check for archiving broken index settings #41209
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Machine Learning
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Write header to autodetect before it is visible to other calls #41085 (issue: #40385)
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Fix unsafe publication of invalid license enforcer #40985 (issue: #40957)
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Mapping
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Fix error applying
ignore_malformed to boolean values #41261 (issue: #11498)
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SQL
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Fix bug with optimization of null related conditionals #41355
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Predicate diff takes into account all values #41346 (issue: #40835)
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Fix LIMIT bug in agg sorting #41258 (issue: #40984)
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Allow current_date/time/timestamp to be also used as a function escape pattern #41254 (issue: #41240)
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Translate MIN/MAX on keyword fields as FIRST/LAST #41247 (issues: #37936, #41195)
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Tweak pattern matching in SYS TABLES #41243 (issue: #40775)
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Change schema calls to empty set #41034 (issue: #41028)
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Use ResultSets over exceptions in metadata #40641 (issue: #40533)
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Fix catalog filtering in SYS COLUMNS #40583 (issue: #40582)
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Search
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BlendedTermQuery should ignore fields that don’t exist in the index #41125 (issue: #41118)
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Full text queries should not always ignore unmapped fields #41062 (issue: #41022)
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ProfileScorer should propagate
setMinCompetitiveScore. #40958
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Fix rewrite of inner queries in DisMaxQueryBuilder #40956 (issue: #40953)
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Security
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Fix unsafe publication in opt-out query cache #40957
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Remove dynamic objects from security index #40499 (issue: #35460)
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Snapshot/Restore
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Fix Broken Index Shard Snapshot File Preventing Snapshot Creation #41310 (issue: #41304)
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Do not create missing directories in readonly repo #41249 (issues: #26909, #41009)
Upgrades
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Infra/Packaging
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Bump the bundled JDK to 12.0.1 #41627