# Welcome to Elastic-Agent 8.15.5 Elastic Agent - single, unified way to add monitoring for logs, metrics, and other types of data to a host. ## Documentation Visit the [Fleet and Elastic Agent Guide](https://www.elastic.co/guide/en/fleet/master/index.html). ## Release notes https://www.elastic.co/guide/en/fleet/master/release-notes-8.15.5.html