Elastic 8.15: Enhanced semantic search and new SIEM data import

Elastic 8.15 introduces a host of new features aimed at enhancing semantic search, integrating OpenTelemetry (OTel), and modernizing security analytics. This release includes tools for fine-tuning search relevance, flexible model options, and improved vector search, as well as AI-driven advancements that streamline custom SIEM data onboarding. Following the contribution of the Elastic Common Schema to the OTel project, Elastic 8.15 marks a significant step toward an OTel-first architecture with the distribution of an OTel collector. The update allows developers to implement AI search applications, utilize semantic text and reranking, and offers general availability of Learning to Rank and query rules. Elastic Observability and Security have been enhanced with new capabilities such as Google Vertex integration, LLM observability, and automated custom data integration using generative AI. The Elastic Search AI Platform now includes cross-cluster search enhancements, increased functionality in the Elasticsearch Query Language, and new machine learning features. Elastic 8.15 is available on Elastic Cloud, with the release and timing of features subject to Elastic's discretion.

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