IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elasticsearch Guide [7.10] ›Release notes

Elasticsearch version 7.7.1

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Elasticsearch version 7.7.1

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Also see Breaking changes in 7.7.

Known issues

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  • SQL: If a WHERE clause contains at least two relational operators joined by AND, of which one is a comparison (<=, <, >=, >) and another one is an inequality (!=, <>), both against literals or foldable expressions, the inequality will be ignored. The workaround is to substitute the inequality with a NOT IN operator.

    We have fixed this issue in Elasticsearch 7.10.1 and later versions. For more details, see #65488.

Enhancements

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Authorization
  • Remove synthetic role names of API keys as they confuse users #56005
Features/ILM+SLM
  • ILM: Add cluster update timeout on step retry #54878
SQL
  • Change error message for comparison against fields in filtering #57126 (issue: #57005)

Bug fixes

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Authentication
  • Expose idp.metadata.http.refresh for SAML realm #56354
  • Fix concurrent refresh of tokens #55114 (issue: #54289)
CCR
  • Retry follow task when remote connection queue full #55314
Cluster Coordination
  • Fix the problem of recovering twice when perform a full cluster restart(#55564) #55780 (issue: #55564)
Discovery-Plugins
Engine
  • Ensure no circular reference in translog tragic exception #55959 (issue: #55893)
  • Update translog policy before the next safe commit #54839 (issue: #52223)
Features/CAT APIs
  • Handle exceptions when building _cat/indices response #56993 (issue: #56816)
Features/Features
Features/ILM+SLM
  • Fix Missing IgnoredUnavailable Flag in 7.x SLM Retention Task #56616
Features/Indices APIs
  • Allow removing replicas setting on closed indices #56680 (issues: #56656, #56675)
  • Allow removing index.number_of_replicas setting #56656 (issue: #56501)
Features/Ingest
  • Fix enrich coordinator to reject documents instead of deadlocking #56247 (issue: #55634)
  • EnrichProcessorFactory should not throw NPE if missing metadata #55977
  • Prevent stack overflow for numerous grok patterns. #55899
  • Fix empty_value handling in CsvProcessor #55649 (issue: #55643)
Features/Java High Level REST Client
  • Honor IndicesOptions in HLRC putMapping request #57118 (issue: #57045)
Features/Monitoring
  • Fix incorrect log warning when exporting monitoring via HTTP without authentication #56958 (issue: #56810)
  • Ensure that the monitoring export exceptions are logged. #56237
Features/Watcher
  • Ensure that .watcher-history-11* template is in installed prior to use #56734 (issue: #56732)
  • Fix smtp.ssl.trust setting for watcher email #56090 (issues: #45272, #52153)
Infra/Core
  • Prevent unexpected native controller output hanging the process #56491 (issue: #56366)
  • Add method to check if object is generically writeable in stream #54936 (issue: #54708)
Infra/Logging
Machine Learning
  • Fix background persistence of categorizer state. #1137 (issue: #1136)
  • Fix classification job failures when number of classes in configuration differs from the number of classes present in the training data. #1144
  • Fix underlying cause for "Failed to calculate splitting significance" log errors. #1157
  • Fix possible root cause for "Bad variance scale nan" log errors. #1225
  • Change data frame analytics instrumentation timestamp resolution to milliseconds. #1237
  • Fix "autodetect process stopped unexpectedly: Fatal error: terminate called after throwing an instance of 'std::bad_function_call". #1246 (issue: #1245)
  • Fix monitoring if orphaned anomaly detector persistent tasks exist #57235 (issue: #51888)
  • Fix delete_expired_data/nightly maintenance when many model snapshots need deleting #57041 (issue: #47103)
  • Ensure class is represented when its cardinality is low #56783
  • Use non-zero timeout when force stopping DF analytics #56423
  • Reduce InferenceProcessor.Factory log spam by not parsing pipelines #56020 (issue: #55985)
  • Audit when unassigned datafeeds are stopped #55656 (issue: #55521)
Network
  • Fix use of password protected PKCS#8 keys for SSL #55457 (issue: #8)
  • Add support for more named curves #55179 (issue: #55031)
Recovery
  • Fix trimUnsafeCommits for indices created before 6.2 #57187 (issue: #57091)
SQL
  • Fix unecessary evaluation for CASE/IIF #57159 (issue: #49672)
  • JDBC: fix access to the Manifest for non-entry JAR URLs #56797 (issue: #56759)
  • Fix JDBC url pattern in docs and error message #56612 (issue: #56476)
  • Fix serialization of JDBC prep statement date/time params #56492 (issue: #56084)
  • Fix issue with date range queries and timezone #56115 (issue: #56049)
  • SubSelect unresolved bugfix #55956
Search
  • Don’t run sort optimization on size=0 #57044 (issue: #56923)
  • Fix bool query behaviour on null value #56817 (issue: #56812)
  • Fix validate query listener invocation bug #56157
  • Async Search: correct shards counting #55758
  • For constant_keyword, make sure exists query handles missing values. #55757 (issue: #53545)
  • Fix (de)serialization of async search failures #55688
  • Fix expiration time in async search response #55435
  • Return true for can_match on idle search shards #55428 (issues: #27500, #50043)
Snapshot/Restore
  • Fix NPE in Partial Snapshot Without Global State #55776 (issue: #50234)
  • Fix Path Style Access Setting Priority #55439 (issue: #55407)

Upgrades

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Infra/Core
Infra/Packaging
  • Upgrade bundled jdk to 14.0.1 #57233
SQL
  • Update the JLine dependency to 3.14.1 #57111 (issue: #57076)
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