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Elasticsearch version 8.16.5

A newer version is available. Check out the latest documentation.

Elasticsearch version 8.16.5

Also see Breaking changes in 8.16.

Bug fixes

Allocation

Deduplicate allocation stats calls #123246

Authentication

Improve jwt logging on failed auth #122247

CRUD

Reduce license checks in LicensedWriteLoadForecaster #123346 (issue: #123247)

Data streams

Add _metric_names_hash field to OTel metric mappings #120952

EQL

Fix JOIN command validation (not supported) #122011

ES|QL

Fix ENRICH validation for use of wildcards #121911
Speed up VALUES for many buckets #123073

Ingest

Fix ArrayIndexOutOfBoundsException in ShardBulkInferenceActionFilter #122538

Ingest Node

Canonicalize processor names and types in IngestStats #122610
Deduplicate IngestStats and IngestStats.Stats identity records when deserializing #122496
Fix redact processor arraycopy bug #122640
Register IngestGeoIpMetadata as a NamedXContent #123079

Mapping

fix stale data in synthetic source for string stored field #123105 (issue: #123110)

Upgrades

Authentication

Bump json-smart and oauth2-oidc-sdk #122737

Known issues

ES|QL

Some valid queries using an ENRICH command can fail when a match field is used that is absent from some indices or shards, either with a 500 status code due to NullPointerException or ClassCastException or with a 400 status code and IllegalArgumentException. This is fixed in #126187.

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