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Elasticsearch version 8.19.15

IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.

Elasticsearch version 8.19.15

Also see Breaking changes in 8.19.

Bug fixes

EQL

Fix propagation of filters on join keys for missing events #145813 (issue: #145402)

Infra/Core

Throw a 400 error for malformed parsing input when missing element end #145777

Ingest Node

Fix pipeline resolution cache for bulk requests #144648
Fix waiting for enrich policy execution for users without the monitor privilege #145751

Machine Learning

Omit uncomputed model stats #146186

Mapping

Fix match only text decoding surrogate pairs #146567 (issue: #146538)

Reindex

Restore initial thread context during reindex etc #146134

Search

Add cancellation support to IndicesRequestCache #141708
Collapse pathological regex quantifier stacking to prevent NFA construction OOM #145452
Fix terminate_after not honored for aggs when size=0 #146199 (issue: #126665)
Fix bug parsing "request" parameter in clear cache API, it should clear the request cache only #145726
Use query circuit breaker for wildcard/regexp determinization #145427 (issue: #145128)

Snapshot/Restore

Use IllegalArgumentException over RepositoryException for readonly-repository checks #140200

Enhancements

Authentication

Add attribute count to SamlAttribute toString #131173
In-response-to in saml successful response #137599 (issue: #128179)

Upgrades

Security

Upgrade bouncycastle to 1.84 #147197

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