IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Elasticsearch version 8.15.5

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IMPORTANT: This documentation is no longer updated.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

Elasticsearch version 8.15.5

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Also see Breaking changes in 8.15.

Bug fixes

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Machine Learning

Fix bug in ML autoscaling when some node info is unavailable #116650

Mapping

Change synthetic source logic for constant_keyword #117182 (issue: #117083)

Relevance

Fix handling of bulk requests with semantic text fields and delete ops #116942

Vector Search

Update Semantic Query To Handle Zero Size Responses #116277 (issue: #116083)

Enhancements

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Data streams

Apm-data: disable date_detection for all apm data streams #116995

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