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Elasticsearch Guide [7.9] » Release notes » Elasticsearch version 7.9.2
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Elasticsearch version 7.9.2edit

Also see Breaking changes in 7.9.

Deprecationsedit

Infra/Plugins
  • Deprecate xpack.eql.enabled setting and make it a no-op #61375 (issue: #54745)

Enhancementsedit

Mapping
  • Improve error messages on bad [format] and [null_value] params for date mapper #61932 (issue: #61712)

Bug fixesedit

Aggregations
Analysis
Authentication
  • Ensure domain_name setting for AD realm is present #61859
  • Update authc failure headers on license change #61734 (issue: #56318)
Authorization
  • Ensure authz operation overrides transient authz headers #61621
CCR
  • CCR should retry on CircuitBreakingException #62013 (issue: #55633)
EQL
  • Create the search request with a list of indices #62005 (issue: #60793)
Engine
  • Allow enabling soft-deletes on restore from snapshot #62018 (issue: #61969)
Features/Data streams
  • Always validate that only a create op is allowed in bulk api for data streams #62766 (issue: #62762)
  • Fix NPE when deleting multiple backing indices on a data stream #62274 (issue: #62272)
  • Fix data stream wildcard resolution bug in eql search api. #61904 (issue: #60828)
  • Prohibit the usage of create index api in namespaces managed by data stream templates #62527
Features/ILM+SLM
  • Fix condition in ILM step that cannot be met #62377
Features/Ingest
  • Add Missing NamedWritable Registration for ExecuteEnrichPolicyStatus #62364
Features/Java High Level REST Client
  • Drop assertion that rest client response warnings conform to RFC 7234 #61365 (issues: #60889, #61259)
Infra/Packaging
Machine Learning
  • Add null checks for C++ log handler #62238
  • Persist progress when setting data frame analytics task to failed #61782
  • Fix reporting of peak memory usage in memory stats for data frame analytics #1468
  • Fix reporting of peak memory usage in model size stats for anomaly detection #1484
Mapping
  • Allow empty null values for date and IP field mappers #62487 (issues: #57666, #62363)
  • Take resolution into account when parsing date null value #61994
Network
  • Log alloc description after netty processors set #62741
SQL
  • Do not resolve self-referencing aliases #62382 (issue: #62296)
Search
Transform
  • Disable optimizations when using scripts in group_by #60724 (issue: #57332)

Upgradesedit

Infra/Packaging
  • Upgrade the bundled JDK to JDK 15 #62580
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