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Elasticsearch v9.1.6

Elasticsearch: v9.1.6 Release

Release date:
October 21, 2025
Previous version:
v9.1.5 (released October 2, 2025)
Magnitude:
1,047 Diff Delta
Contributors:
18 total committers
Data confidence:
Commits:
42 impacting commits

42 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

Migrate transport versions 9086_000 through 9007_000 (#136221) (#136233)
Authored October 8, 2025
[9.1] Roll up 8.18.0 transport versions (#136651) (#136715)
Authored October 16, 2025
Migrate transport versions 8841_030 through 8841_000 (#135974) (#136042)
Authored October 6, 2025
Fix logsdb settings provider mapping filters (#136119) (#136197)
Authored October 8, 2025
[9.1] rest-api-spec: specify master_timeout default value (#134525) (#134876)
Authored October 7, 2025
Cardinality Aggregator Throws UnsupportedOperationException When Field Type is Vector (#135994) (#136026)
Authored October 6, 2025
Close 8.18 and 9.0 development branches (#136620) (#136682)
Authored October 16, 2025
Use java8 variant of apm-agent (#132651) (#136814)
Authored October 20, 2025
[Test] Replace 0.0.0 version with "detached" property on ElasticsearchDistibution (#134584) (#135903)
Authored October 3, 2025
Split null/empty chunking_settings YAML tests (#136023) (#136117)
Authored October 8, 2025
Mute org.elasticsearch.upgrades.FullClusterRestartIT testSearch {cluster=UPGRADED} #135927
Authored October 6, 2025
Mute org.elasticsearch.upgrades.FullClusterRestartIT testPersianAnalyzerBWC {cluster=UPGRADED} #135930
Authored October 6, 2025
Mute org.elasticsearch.upgrades.FullClusterRestartIT testEmptyShard {cluster=UPGRADED} #135951
Authored October 6, 2025
Mute org.elasticsearch.xpack.esql.inference.rerank.RerankOperatorTests testSimpleCircuitBreaking #133619
Authored October 11, 2025
add connectors release notes 9.1.5 (#135921)
Authored October 7, 2025
[ML] Future proof index names in REST tests (#136458) (#136787)
Authored October 19, 2025
Update wolfi (versioned) (#135736)
Authored October 8, 2025
Update wolfi (versioned) (#136551)
Authored October 14, 2025
Update wolfi (versioned) (#136883)
Authored October 21, 2025
Mute org.elasticsearch.upgrades.FullClusterRestartIT testOperationBasedRecovery {cluster=UPGRADED} #135944
Authored October 7, 2025
allocation: fix typo in balancing round interval setting (#136342) (#136347)
Authored October 10, 2025
Mute org.elasticsearch.upgrades.FullClusterRestartIT testTurnOffTranslogRetentionAfterUpgraded {cluster=UPGRADED} #135958
Authored October 7, 2025
Mute org.elasticsearch.upgrades.FullClusterRestartIT testPeerRecoveryRetentionLeases {cluster=UPGRADED} #135929
Authored October 7, 2025
Mute org.elasticsearch.upgrades.FullClusterRestartIT testNewReplicas {cluster=UPGRADED} #135956
Authored October 7, 2025
Mute org.elasticsearch.upgrades.FullClusterRestartIT testSystemIndexMetadataIsUpgraded {cluster=UPGRADED} #135923
Authored October 7, 2025
Mute org.elasticsearch.upgrades.FullClusterRestartDownsampleIT testRollupIndex {cluster=UPGRADED} #135906
Authored October 7, 2025
Migrate transport versions 9000007 through 9000000 (#135867) (#135878)
Authored October 3, 2025
Lazy compute and cache `grantsAll` per privilege (#136684) (#136696)
Authored October 16, 2025
Store full path in _ignored when ignoring dynamic array field (#136315) (#136324)
Authored October 9, 2025
Optimize Index Permission Automatons for Has Privileges (#136625) (#136673)
Authored October 16, 2025
Update docker.elastic.co/elasticsearch/elasticsearch Docker tag to v9.1.5 (#136558)
Authored October 14, 2025
Reindex-from-remote: Validate basic auth params (#136501) (#136553)
Authored October 14, 2025
Update docker.elastic.co/integrations/elastic-connectors Docker tag (#136559)
Authored October 14, 2025
[Transform] Allow dynamic updates to frequency (#136757) (#136878)
Authored October 21, 2025
[ML] Release cluster state (#136769) (#136832)
Authored October 20, 2025
Limit default allocated processors for the test cluster (#133633) (#135911)
Authored October 3, 2025
Fix tests in `SetSingleNodeAllocateStepTests` (#135724) (#136158)
Authored October 8, 2025
Use "node.processors" setting starting from 7.4.0 (#136175) (#136182)
Authored October 8, 2025
Opt-in closed/hidden segments in `/_cat/segments` (#136168) (#136359)
Authored October 10, 2025
rest-api-spec: Add missing default values from Elasticsearch specification (#136191) (#136280)
Authored October 9, 2025

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Top Contributors in v9.1.6

jdconrad
jordan-powers
elasticsearchmachine
jozala
pquentin
john-wagster
mosche
charlotte-hoblik
edsavage
elastic-renovate-prod[bot]

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