Elastic Stack 8.19.15 released

Published: (April 29, 2026 at 08:00 PM EDT)
3 min read

Source: Elastic Blog

Elastic solutions

  • 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 experiences
  • Logs – Collect, search, explore, and act on large volumes of log data
  • 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 models for embeddings, rerankers, and URL/document extraction

Deployment options

Search use cases

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 GenAI and ML
  • LLM observability – Monitor and optimize LLM performance, cost, safety, and reliability

Security

  • Next‑gen SIEM – Detect, investigate, and respond to evolving threats with AI‑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 triage, investigation, and response workflows with Search AI

Elastic Stack release banner

Version 8.19.15 of the Elastic Stack was released today. We recommend you upgrade to this latest version. This release fixes a regression where APM’s HTTP/2 connections could fail with strict clients due to framing errors.

For a full list of changes and the issues that have been fixed, see the release notes.

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