Elasticsearch: v8.19.9 Release

20 Commits in this Release

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

[8.19] Improve security migration resilience by handling version conflicts (#137558) (#138477)

Authored November 27, 2025

[8.19] Avoid stack overflow in IndicesClusterStateService applyClusterState (#139499)

Authored December 14, 2025

[8.19] Handle individual doc parsing failure gracefully in bulk request with pipeline (#138624) (#138708)

Authored November 27, 2025

[8.19] GET /_migration/deprecations doesn't check disk watermarks against correct settings values (#138115) (#138840)

Authored December 1, 2025

More reliable trigger for security index migration (#139028) (#139052)

Authored December 4, 2025

[8.19] fix: Correctly pickup MRT value for `msearch`'s search requests (#138583) (#139586)

Authored December 16, 2025

Finish role updates in security migration tests before shutdown (#139121) (#139180)

Authored December 8, 2025

[8.19] Address CompoundRetrieverBuilder Failure Handling (#136732) (#139485)

Authored December 13, 2025

[ES|QL] Compare query builders using identity (#139080) (#139137)

Authored December 5, 2025

[ML] Fix for flaky sparse_vector_search test (#138740) (#139022)

Authored December 4, 2025

Bump lz4 dependency (#138806) (#138863)

Authored December 2, 2025

add connectors release note (#138848)

Authored December 2, 2025

Update docs for v8.19.8 release (#138783)

Authored December 1, 2025

Fix testRoleMigration race condition (#138742) (#138747)

Authored December 1, 2025

Add Connectors release notes for 8.19.9 (#139521)

Authored December 16, 2025

Change checkFileRead to throw IOException (#139320) (#139333)

Authored December 10, 2025

Update docs for v8.19.9 release (#139481)

Authored December 16, 2025

Fix parameter type in ml.get_categories YAML test (#138220) (#139356)

Authored December 11, 2025

Make Table final (#138915) (#138937)

Authored December 3, 2025

Prune changelogs after 8.19.8 release

Authored December 3, 2025