Elasticsearch version 7.0.0-rc1
edit Also see Breaking changes in 7.0.0-rc1.
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Distributed
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Features/Features
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Remove Migration Upgrade and Assistance APIs #40075 (issue: #40014)
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Cluster Coordination
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Deprecate size in cluster state response #39951 (issue: #39806)
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Infra/Packaging
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Deprecate fallback to java on PATH #37990
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Allocation
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Security
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Switch internal security index to ".security-7" #39337 (issue: #39284)
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CCR
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Reduce retention lease sync intervals #40302
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Renew retention leases while following #39335 (issues: #37165, #38718)
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Reduce refresh when lookup term in FollowingEngine #39184
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Integrate retention leases to recovery from remote #38829 (issue: #37165)
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Enable removal of retention leases #38751 (issue: #37165)
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Client
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Fixed required fields and paths list #39358
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Discovery-Plugins
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Adds connect and read timeouts to discovery-gce #28193 (issue: #24313)
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Distributed
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Introduce retention lease actions #38756 (issue: #37165)
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Add dedicated retention lease exceptions #38754 (issue: #37165)
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Copy retention leases when trim unsafe commits #37995 (issue: #37165)
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Docs Infrastructure
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Align generated release notes with doc standards #39234 (issue: #39155)
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Engine
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Explicitly advance max_seq_no before indexing #39473 (issue: #38879)
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Infra/Core
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Add details about what acquired the shard lock last #38807 (issue: #30290)
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Infra/Packaging
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Use bundled JDK in Docker images #40238
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Upgrade bundled JDK and Docker images to JDK 12 #40229
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Bundle java in distributions #38013 (issue: #31845)
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Infra/Settings
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Provide a clearer error message on keystore add #39327 (issue: #39324)
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Percolator
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Make the
type parameter optional when percolating existing documents. #39987 (issue: #39963)
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Add support for selecting percolator query candidate matches containing geo_point based queries #26040
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SQL
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Enhance checks for inexact fields #39427 (issue: #38501)
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Change the default precision for CURRENT_TIMESTAMP function #39391 (issue: #39288)
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Aggregations
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Skip sibling pipeline aggregators reduction during non-final reduce #40101 (issue: #40059)
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Extend nextDoc to delegate to the wrapped doc-value iterator for date_nanos #39176 (issue: #39107)
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Only create MatrixStatsResults on final reduction #38130 (issue: #37587)
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Authentication
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Allow non super users to create API keys #40028 (issue: #40029)
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Use consistent view of realms for authentication #38815 (issue: #30301)
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CCR
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Safe publication of AutoFollowCoordinator #40153 (issue: #38560)
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Enable reading auto-follow patterns from x-content #40130 (issue: #40128)
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Stop auto-followers on shutdown #40124
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Protect against the leader index being removed #39351 (issue: #39308)
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Handle the fact that
ShardStats instance may have no commit or seqno stats #38782 (issue: #38779)
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Fix LocalIndexFollowingIT#testRemoveRemoteConnection() test #38709 (issue: #38695)
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CRUD
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Cascading primary failure lead to MSU too low #40249
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Cluster Coordination
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Fix node tool cleanup #39389
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Avoid serialising state if it was already serialised #39179
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Distributed
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Ignore waitForActiveShards when syncing leases #39224 (issue: #39089)
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Fix synchronization in LocalCheckpointTracker#contains #38755 (issues: #33871, #38633)
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Engine
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Bubble up exception when processing NoOp #39338 (issue: #38898)
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ReadOnlyEngine should update translog recovery state information #39238
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Features/Features
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Only count some fields types for deprecation check #40166
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Features/ILM
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Handle failure to release retention leases in ILM #39281 (issue: #39181)
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Features/Watcher
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Use non-ILM template setting up watch history template & ILM disabled #39325 (issue: #38805)
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Only flush Watcher’s bulk processor if Watcher is enabled #38803 (issue: #38798)
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Infra/Core
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Correct name of basic_date_time_no_millis #39367
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Infra/Packaging
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Some elasticsearch-cli tools could not be run not from ES_HOME #39937
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Obsolete pre 7.0 noarch package in rpm #39472 (issue: #39414)
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Suppress error message when
/proc/sys/vm/max_map_count is not exists. #35933
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Infra/REST API
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Fix #38623 remove xpack namespace REST API #38625
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Remove the "xpack" namespace from the REST API #38623
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Recovery
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Create retention leases file during recovery #39359 (issue: #37165)
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SQL
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Add missing handling of IP field in JDBC #40384 (issue: #40358)
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Fix metric aggs on date/time to not return double #40377 (issues: #39492, #40376)
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CAST supports both SQL and ES types #40365 (issue: #40282)
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Fix RLIKE bug and improve testing for RLIKE statement #40354 (issues: #34609, #39931)
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Unwrap the first value in an array in case of array leniency #40318 (issue: #40296)
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Preserve original source for cast/convert function #40271 (issue: #40239)
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Fix LIKE function equality by considering its pattern as well #40260 (issue: #39931)
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Fix issue with optimization on queries with ORDER BY/LIMIT #40256 (issue: #40211)
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Rewrite ROUND and TRUNCATE functions with a different optional parameter handling method #40242 (issue: #40001)
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Fix issue with getting DATE type in JDBC #40207
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Fix issue with date columns returned always in UTC #40163 (issue: #40152)
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Add multi_value_field_leniency inside FieldHitExtractor #40113 (issue: #39700)
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Fix incorrect ordering of groupings (GROUP BY) based on orderings (ORDER BY) #40087 (issue: #39956)
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Fix bug with JDBC timezone setting and DATE type #39978 (issue: #39915)
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Use underlying exact field for LIKE/RLIKE #39443 (issue: #39442)
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Search
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Serialize top-level pipeline aggs as part of InternalAggregations #40177 (issues: #40059, #40101)
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CCS: Skip empty search hits when minimizing round-trips #40098 (issues: #32125, #40067)
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CCS: Disable minimizing round-trips when dfs is requested #40044 (issue: #32125)
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Discovery-Plugins
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Bump jackson-databind version for AWS SDK #39183
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Engine
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Upgrade to Lucene 8.0.0-snapshot-ff9509a8df #39350
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Upgrade to Lucene 8.0.0 #39992 (issue: #39640)
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Features/Ingest
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Bump jackson-databind version for ingest-geoip #39182
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Security
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Upgrade the bouncycastle dependency to 1.61 #40017 (issue: #40011)