Elastic Stack 8.19.15 released

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* ##### Elasticsearch for...

• ###### Context engineering Get the most relevant context to agents so that they deliver accurate and trusted outcomes
• ###### Vector database Efficiently create, store, and search vector embeddings
• ###### Search powered applications The speed, scale, and flexibility to power modern application experience
• ###### Logs Collect, search, explore, and act on large volumes
• ###### Threat protection Detect, investigate, and remediate cyber threats at scale on real-time data
• ###### Workflows Combine scripted automation with AI reasoning natively in Elasticsearch

##### Elasticsearch components

• ###### Elasticsearch A distributed, RESTful search and analytics engine
• ###### Kibana (Discover, Dashboards) Explore, visualize, and build dashboards using data stored in Elasticsearch
• ###### Elastic Agent Builder Build context-aware agents faster that incorporate all your data and deliver best-in-class relevance.
• ###### AutoOps Easy cluster management with performance recommendations, resource utilization, and cost insights
• ###### Piped query language Simplify workflows and accelerate query response for efficient data processing
• ###### Jina AI search models Jina AI is part of Elastic, bringing best-in-class models for embeddings, rerankers, and URL and doc extraction

##### Deployment options

• ###### Elastic Cloud Serverless Zero operational load so that you can build fasterStart free trial
• ###### Elastic Cloud Hosted Deploy and scale on any cloud in minutes with ultimate controlStart free trial
• ###### Self-managed Elasticsearch Run locally, via Kubernetes, or your own orchestrationDownload

* ##### Search

• ###### Ecommerce search Improve customers' search experience and drive conversion
• ###### Customer support search Help customers find support information quickly and easily
• ###### Search-driven apps Create engaging apps quickly and easily with Elasticsearch

Overview

##### Observability

• ###### Log analytics Centralize and analyze logs using Search AI to detect, investigate, and remediate incidents
• ###### Infrastructure monitoring Monitor, visualize, and analyze the health of your on-premises and cloud infrastructure
• ###### Digital experience monitoring Improve users' experience with real user monitoring (RUM), synthetic testing, and uptime monitoring
• ###### App performance monitoring Monitor, visualize, and analyze the performance and availability of your applications
• ###### AIOps Automatically detect, diagnose, and resolve issues faster with GenAl and ML
• ###### LLM observability Monitor and optimize LLM performance, cost, safety, and reliability

Overview

##### Security

• ###### Next-gen SIEM Detect, investigate, and respond to evolving threats with Al-driven security analytics
• ###### Workflows for security Automate alert triage, enrichment, and response natively. No separate SOAR required.
• ###### XDR and endpoint security Secure your endpoints, clouds, and containers with AI-driven insights
• ###### AI for security Automate your triage, investigation, and response workflows with Search AI

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By

April 30, 2026

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Version 8.19.15 of the Elastic Stack was released today. We recommend you upgrade to this latest version. We recommend 8.19.15 over the previous versions 8.19.14

Fixed a regression where APM’s HTTP/2 connections could fail with strict clients due to framing errors.

For details of the issues that have been fixed and a full list of changes for each product in this version, please refer to the release notes