IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« Release notes Elasticsearch version 7.10.1 »
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Elasticsearch version 7.10.2

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Elasticsearch version 7.10.2

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Also see Breaking changes in 7.10.

Security updates

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  • An information disclosure flaw was found in the Elasticsearch async search API. Users who execute an async search will store the HTTP headers. A user with the ability to read the .tasks index could obtain sensitive request headers of other users in the cluster. All versions of Elasticsearch between 7.7.0 and 7.10.1 are affected by this flaw. You must upgrade to Elasticsearch version 7.10.2 to obtain the fix. CVE-2021-22132

Known issues

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  • Snapshot and restore: If an index is deleted while the cluster is concurrently taking more than one snapshot then there is a risk that one of the snapshots may never complete and also that some shard data may be lost from the repository, causing future restore operations to fail. To mitigate this problem, prevent concurrent snapshot operations by setting snapshot.max_concurrent_operations: 1.

    This issue is fixed in Elasticsearch versions 7.13.1 and later. For more details, see #73456.

Bug fixes

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EQL
  • Fix early trimming of in-flight data #66493
Engine
  • Fix the earliest last modified age of translog issue. #64753
  • Fix the version and term field initialization error of NoOpResult #66269 (issue: #66267)
Features/Data streams
  • Allow more legit cases in Metadata.Builder.validateDataStreams #65791
Features/Features
  • Make FilterAllocationDecider totally ignore tier-based allocation settings #67019 (issue: #66679)
Features/Ingest
  • Fix whitespace as a separator in CSV processor #67045 (issue: #67013)
Highlighting
  • Fix bug where fvh fragments could be loaded from wrong doc #65641 (issues: #60179, #65533)
Features/ILM+SLM
  • Create AllocationDeciders in the main method of the ILM step #65037 (issue: #64529)
Infra/REST API
  • Fix cat tasks api params in spec and handler #66272 (issue: #59493)
  • Mark Cat Tasks API as experimental in rest-api-spec #66536 (issues: #51628, #65823)
  • Mark Task APIs as experimental in rest-api-spec #65823 (issue: #51628)
Infra/Scripting
  • Fix static inner class resolution in Painless #67027 (issue: #66823)
Infra/Settings
  • Correctly determine defaults of settings which depend on other settings #65989 (issue: #47890)
  • Do not interpret SecurityException in KeystoreAwareCommand #65366
QL
  • Handle IP type fields extraction with ignore_malformed property #66622 (issue: #66675)
Machine Learning
  • Change to only calculate model size on initial load to prevent slow cache promotions #66451
Network
  • Ensure notify when proxy connections disconnect #65697 (issue: #65443)
  • Fix AbstractClient#execute Listener Leak #65415 (issue: #65405)
SQL
  • Abort sorting in case of local agg sort queue overflow #65687 (issue: #65685)
  • Verify filter’s condition type #66268 (issue: #66254)
Search
  • Fix regressions around nested hits and disabled _source #66572 (issues: #60494, #66524)
  • Make sure shared source always represents the top-level root document #66725 (issues: #60494, #66577)
Security
  • Store and use only internal security headers #66365
Snapshot/Restore
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