Elasticsearch version 8.15.5

Elasticsearch version 8.15.5

Also see Breaking changes in 8.15.

Bug fixes

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

Data streams

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